:root {
    color-scheme: light;

    --page-bg: #eef2ff;
    --page-bg-secondary: #f8faff;
    --surface: rgba(255, 255, 255, 0.78);
    --surface-strong: rgba(255, 255, 255, 0.94);
    --surface-soft: rgba(244, 247, 255, 0.72);

    --text: #17203a;
    --text-soft: #66708d;
    --heading: #10162f;

    --border: rgba(96, 111, 163, 0.2);
    --border-strong: rgba(96, 111, 163, 0.32);

    --primary: #5966f2;
    --primary-dark: #4350d8;
    --primary-soft: rgba(89, 102, 242, 0.12);

    --cyan: #24c8d9;
    --purple: #a457f5;
    --pink: #ef5da8;

    --danger: #d1435b;
    --success: #168a66;

    --shadow:
        0 24px 70px rgba(39, 49, 99, 0.14),
        0 8px 24px rgba(39, 49, 99, 0.08);

    --shadow-soft:
        0 16px 40px rgba(39, 49, 99, 0.1);

    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 14px;

    --container: 1180px;
}

html[data-theme="dark"] {
    color-scheme: dark;

    --page-bg: #080b19;
    --page-bg-secondary: #11152b;
    --surface: rgba(21, 26, 53, 0.8);
    --surface-strong: rgba(25, 31, 62, 0.96);
    --surface-soft: rgba(18, 23, 47, 0.78);

    --text: #ecf0ff;
    --text-soft: #aab2d1;
    --heading: #ffffff;

    --border: rgba(158, 169, 224, 0.17);
    --border-strong: rgba(158, 169, 224, 0.29);

    --primary: #7c86ff;
    --primary-dark: #6873f5;
    --primary-soft: rgba(124, 134, 255, 0.16);

    --shadow:
        0 28px 80px rgba(0, 0, 0, 0.36),
        0 8px 28px rgba(0, 0, 0, 0.22);

    --shadow-soft:
        0 18px 46px rgba(0, 0, 0, 0.25);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    background:
        radial-gradient(
            circle at 20% 10%,
            rgba(87, 108, 255, 0.15),
            transparent 34%
        ),
        radial-gradient(
            circle at 85% 20%,
            rgba(238, 93, 168, 0.12),
            transparent 30%
        ),
        linear-gradient(
            145deg,
            var(--page-bg),
            var(--page-bg-secondary)
        );
    color: var(--text);
    font-family:
        Inter,
        ui-sans-serif,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.6;
}

button,
input,
select {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: inherit;
}

.container {
    width: min(calc(100% - 36px), var(--container));
    margin-inline: auto;
}

.ambient-background {
    position: fixed;
    inset: 0;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.ambient-background::before {
    position: absolute;
    inset: -30%;
    content: "";
    background:
        conic-gradient(
            from 20deg at 50% 50%,
            rgba(72, 103, 255, 0.22),
            rgba(36, 200, 217, 0.17),
            rgba(164, 87, 245, 0.2),
            rgba(239, 93, 168, 0.17),
            rgba(72, 103, 255, 0.22)
        );
    filter: blur(80px);
    animation: gradient-rotate 28s linear infinite;
}

.ambient-orb {
    position: absolute;
    display: block;
    border-radius: 50%;
    filter: blur(10px);
    opacity: 0.56;
    mix-blend-mode: screen;
}

.ambient-orb-one {
    top: 8%;
    left: -8%;
    width: 430px;
    height: 430px;
    background:
        radial-gradient(
            circle,
            rgba(61, 224, 219, 0.9),
            rgba(61, 224, 219, 0)
        );
    animation: float-one 17s ease-in-out infinite alternate;
}

.ambient-orb-two {
    top: 32%;
    right: -10%;
    width: 560px;
    height: 560px;
    background:
        radial-gradient(
            circle,
            rgba(151, 82, 255, 0.78),
            rgba(151, 82, 255, 0)
        );
    animation: float-two 21s ease-in-out infinite alternate;
}

.ambient-orb-three {
    bottom: -20%;
    left: 24%;
    width: 620px;
    height: 620px;
    background:
        radial-gradient(
            circle,
            rgba(255, 82, 169, 0.62),
            rgba(255, 82, 169, 0)
        );
    animation: float-three 24s ease-in-out infinite alternate;
}

.ambient-glow {
    position: absolute;
    top: 18%;
    left: 50%;
    width: 70vw;
    height: 15vw;
    min-height: 150px;
    transform: translateX(-50%) rotate(-8deg);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.36);
    filter: blur(70px);
    animation: glow-drift 16s ease-in-out infinite alternate;
}

.site-header {
    position: relative;
    z-index: 20;
    padding-top: 22px;
}

.navbar-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 12px 14px 12px 16px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--surface);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--heading);
    text-decoration: none;
}

/* SOFON_CONVERT_BRANDING_401: logo bez rámečku, vyplněné */
.brand-logo-wrap {
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.brand-logo {
    display: block;
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.brand-copy strong {
    font-size: 1rem;
    letter-spacing: -0.02em;
}

.brand-copy small {
    color: var(--text-soft);
    font-size: 0.72rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 9px;
}

.header-button,
.theme-button {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    color: var(--text);
    background: var(--surface-strong);
    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease;
}

.header-button:hover,
.theme-button:hover {
    transform: translateY(-1px);
    border-color: var(--border-strong);
    background: var(--primary-soft);
}

.header-button {
    gap: 8px;
    padding: 0 16px;
    border-radius: 14px;
    font-weight: 700;
}

.header-button span {
    display: grid;
    width: 21px;
    height: 21px;
    place-items: center;
    border-radius: 50%;
    color: white;
    background: var(--primary);
    font-size: 0.76rem;
}

.theme-button {
    position: relative;
    width: 44px;
    border-radius: 14px;
}

.theme-icon {
    position: absolute;
    transition:
        transform 0.25s ease,
        opacity 0.25s ease;
}

.theme-icon-dark {
    transform: scale(0.5) rotate(-60deg);
    opacity: 0;
}

html[data-theme="dark"] .theme-icon-light {
    transform: scale(0.5) rotate(60deg);
    opacity: 0;
}

html[data-theme="dark"] .theme-icon-dark {
    transform: scale(1) rotate(0deg);
    opacity: 1;
}

.hero-section {
    padding: 84px 0 58px;
}

.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
    align-items: center;
    gap: 44px;
}

.eyebrow,
.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.eyebrow::before,
.section-kicker::before {
    width: 24px;
    height: 2px;
    border-radius: 99px;
    content: "";
    background:
        linear-gradient(
            90deg,
            var(--cyan),
            var(--primary),
            var(--pink)
        );
}

.hero-copy h1 {
    max-width: 760px;
    margin: 19px 0 22px;
    color: var(--heading);
    font-size: clamp(2.7rem, 7vw, 5.6rem);
    font-weight: 800;
    letter-spacing: -0.065em;
    line-height: 0.98;
}

.hero-copy h1 span {
    display: block;
    background:
        linear-gradient(
            110deg,
            #3bc9d4 0%,
            #606cf4 42%,
            #b258f0 68%,
            #ef5da8 100%
        );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-description {
    max-width: 720px;
    margin: 0;
    color: var(--text-soft);
    font-size: 1.12rem;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.hero-badges span {
    padding: 8px 13px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    box-shadow: 0 8px 20px rgba(39, 49, 99, 0.05);
    color: var(--text);
    font-size: 0.8rem;
    font-weight: 700;
    backdrop-filter: blur(15px);
}

.hero-format-cloud {
    position: relative;
    min-height: 360px;
}

.hero-format-cloud::before {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 270px;
    height: 270px;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(255, 255, 255, 0.44);
    border-radius: 50%;
    content: "";
    background:
        radial-gradient(
            circle at 35% 25%,
            rgba(255, 255, 255, 0.86),
            rgba(255, 255, 255, 0.18) 45%,
            rgba(96, 108, 244, 0.16) 100%
        );
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.7),
        0 30px 80px rgba(68, 81, 174, 0.2);
    backdrop-filter: blur(20px);
}

.format-chip {
    position: absolute;
    display: grid;
    min-width: 78px;
    min-height: 78px;
    place-items: center;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    color: #fff;
    box-shadow:
        0 18px 40px rgba(32, 39, 93, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.42);
    font-size: 0.9rem;
    font-weight: 900;
    letter-spacing: 0.04em;
    backdrop-filter: blur(18px);
}

.chip-one {
    top: 4%;
    left: 13%;
    background:
        linear-gradient(145deg, #39cbd4, #4d8af3);
    animation: chip-float 7s ease-in-out infinite;
}

.chip-two {
    top: 4%;
    right: 6%;
    background:
        linear-gradient(145deg, #626cf3, #9554f4);
    animation: chip-float 8.5s ease-in-out -1s infinite;
}

.chip-three {
    top: 40%;
    left: 1%;
    background:
        linear-gradient(145deg, #4e75f2, #5b5fe6);
    animation: chip-float 7.6s ease-in-out -2s infinite;
}

.chip-four {
    top: 36%;
    right: -2%;
    background:
        linear-gradient(145deg, #b34dec, #ee5fa7);
    animation: chip-float 8.2s ease-in-out -0.7s infinite;
}

.chip-five {
    bottom: 2%;
    left: 19%;
    background:
        linear-gradient(145deg, #17bcae, #39bdd8);
    animation: chip-float 7.8s ease-in-out -1.6s infinite;
}

.chip-six {
    right: 18%;
    bottom: 0;
    background:
        linear-gradient(145deg, #ed5e9e, #f38e61);
    animation: chip-float 9s ease-in-out -2.4s infinite;
}

.converter-section {
    padding: 26px 0 72px;
}

.converter-card {
    position: relative;
    overflow: hidden;
    padding: clamp(22px, 4vw, 44px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
}

.converter-card::before {
    position: absolute;
    top: -90px;
    right: -90px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    content: "";
    background:
        radial-gradient(
            circle,
            rgba(104, 112, 250, 0.18),
            rgba(104, 112, 250, 0)
        );
    pointer-events: none;
}

.converter-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 28px;
    margin-bottom: 28px;
}

.converter-heading h2,
.section-heading h2 {
    margin: 7px 0 7px;
    color: var(--heading);
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.045em;
}

.converter-heading p,
.section-heading p {
    margin: 0;
    color: var(--text-soft);
}

.privacy-note {
    flex: 0 0 auto;
    padding: 8px 12px;
    border: 1px solid rgba(23, 138, 102, 0.2);
    border-radius: 999px;
    color: var(--success);
    background: rgba(23, 138, 102, 0.08);
    font-size: 0.76rem;
    font-weight: 800;
}

.drop-zone {
    position: relative;
    display: flex;
    min-height: 330px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 38px 24px;
    border: 2px dashed rgba(93, 104, 207, 0.34);
    border-radius: var(--radius-lg);
    outline: none;
    background:
        linear-gradient(
            145deg,
            rgba(89, 102, 242, 0.065),
            rgba(36, 200, 217, 0.05),
            rgba(239, 93, 168, 0.05)
        );
    text-align: center;
    cursor: pointer;
    transition:
        border-color 0.2s ease,
        transform 0.2s ease,
        background 0.2s ease;
}

.drop-zone:hover,
.drop-zone:focus-visible,
.drop-zone.is-dragging {
    transform: translateY(-2px);
    border-color: var(--primary);
    background:
        linear-gradient(
            145deg,
            rgba(89, 102, 242, 0.12),
            rgba(36, 200, 217, 0.09),
            rgba(239, 93, 168, 0.09)
        );
}

.drop-zone-icon {
    display: grid;
    width: 76px;
    height: 76px;
    margin-bottom: 18px;
    place-items: center;
    border-radius: 24px;
    color: white;
    background:
        linear-gradient(
            145deg,
            var(--cyan),
            var(--primary),
            var(--purple)
        );
    box-shadow:
        0 18px 36px rgba(89, 102, 242, 0.26),
        inset 0 1px 0 rgba(255, 255, 255, 0.42);
}

.drop-zone-icon span {
    font-size: 2.1rem;
    font-weight: 300;
    line-height: 1;
}

.drop-zone h3 {
    margin: 0;
    color: var(--heading);
    font-size: 1.35rem;
    font-weight: 800;
}

.drop-zone p {
    margin: 7px 0 20px;
    color: var(--text-soft);
}

.drop-zone small {
    margin-top: 15px;
    color: var(--text-soft);
    font-size: 0.72rem;
}

.primary-button {
    display: inline-flex;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    gap: 13px;
    padding: 0 24px;
    border: 0;
    border-radius: 16px;
    color: white;
    background:
        linear-gradient(
            110deg,
            #34c8d2,
            #5966f2 48%,
            #a354ee
        );
    box-shadow: 0 16px 32px rgba(89, 102, 242, 0.26);
    font-weight: 800;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        opacity 0.2s ease;
}

.primary-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 20px 38px rgba(89, 102, 242, 0.34);
}

.primary-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
}

.primary-button.compact {
    min-height: 43px;
    padding: 0 17px;
    border-radius: 13px;
    font-size: 0.88rem;
}

.selected-files {
    margin-top: 22px;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface-soft);
}

.selected-files-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 15px;
}

.selected-files-header h3 {
    margin: 3px 0 0;
    color: var(--heading);
    font-size: 1.15rem;
    font-weight: 800;
}

.text-button {
    border: 0;
    padding: 5px;
    color: var(--primary);
    background: transparent;
    font-size: 0.82rem;
    font-weight: 800;
}

.text-button.danger {
    color: var(--danger);
}

.file-list {
    display: grid;
    gap: 9px;
}

.file-item {
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 15px;
    background: var(--surface-strong);
}

.file-preview {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    overflow: hidden;
    border-radius: 12px;
    background: var(--primary-soft);
}

.file-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-preview span {
    color: var(--primary);
    font-size: 0.68rem;
    font-weight: 900;
}

.file-copy {
    min-width: 0;
}

.file-copy strong {
    display: block;
    overflow: hidden;
    color: var(--heading);
    font-size: 0.84rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-copy small {
    color: var(--text-soft);
    font-size: 0.72rem;
}

.file-remove {
    display: grid;
    width: 32px;
    height: 32px;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--danger);
    background: transparent;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 22px;
}

.settings-panel,
.advanced-panel {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface-soft);
}

.settings-panel {
    padding: 23px;
}

.panel-heading {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    margin-bottom: 20px;
}

.panel-number {
    display: grid;
    width: 34px;
    height: 34px;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 11px;
    color: white;
    background:
        linear-gradient(
            145deg,
            var(--primary),
            var(--purple)
        );
    font-size: 0.78rem;
    font-weight: 900;
}

.panel-heading h3 {
    margin: 0;
    color: var(--heading);
    font-size: 1.03rem;
    font-weight: 800;
}

.panel-heading p {
    margin: 2px 0 0;
    color: var(--text-soft);
    font-size: 0.78rem;
}

.field-label {
    display: block;
    margin-bottom: 7px;
    color: var(--text);
    font-size: 0.78rem;
    font-weight: 800;
}

.custom-control {
    min-height: 48px;
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text);
    background-color: var(--surface-strong);
    box-shadow: none;
}

.custom-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-soft);
}

.quality-field {
    margin-top: 19px;
}

.range-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 8px;
}

.range-heading label,
.range-heading output {
    font-size: 0.78rem;
    font-weight: 800;
}

.range-heading output {
    color: var(--primary);
}

.form-range::-webkit-slider-thumb {
    background: var(--primary);
}

.form-range::-moz-range-thumb {
    border: none;
    background: var(--primary);
}

.dimension-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.input-unit {
    position: relative;
}

.input-unit input {
    padding-right: 40px;
}

.input-unit span {
    position: absolute;
    top: 50%;
    right: 13px;
    transform: translateY(-50%);
    color: var(--text-soft);
    font-size: 0.72rem;
    pointer-events: none;
}

.switch-row,
.option-row {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.switch-row {
    gap: 12px;
    margin-top: 20px;
}

.switch-row input,
.option-row input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.switch-control {
    position: relative;
    width: 44px;
    height: 25px;
    flex: 0 0 auto;
    border-radius: 999px;
    background: rgba(119, 127, 163, 0.28);
    transition: background 0.2s ease;
}

.switch-control::after {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 19px;
    height: 19px;
    border-radius: 50%;
    content: "";
    background: white;
    box-shadow: 0 3px 8px rgba(21, 27, 63, 0.25);
    transition: transform 0.2s ease;
}

.switch-row input:checked + .switch-control {
    background: var(--primary);
}

.switch-row input:checked + .switch-control::after {
    transform: translateX(19px);
}

.switch-row strong,
.switch-row small {
    display: block;
}

.switch-row strong {
    color: var(--heading);
    font-size: 0.8rem;
}

.switch-row small {
    color: var(--text-soft);
    font-size: 0.7rem;
}

.advanced-panel {
    overflow: hidden;
    margin-top: 18px;
}

.advanced-toggle {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 23px;
    border: 0;
    color: var(--text);
    background: transparent;
    text-align: left;
}

.advanced-toggle strong,
.advanced-toggle small {
    display: block;
}

.advanced-toggle strong {
    color: var(--heading);
    font-size: 0.94rem;
}

.advanced-toggle small {
    margin-top: 2px;
    color: var(--text-soft);
    font-size: 0.74rem;
}

.advanced-arrow {
    font-size: 1.4rem;
    transition: transform 0.2s ease;
}

.advanced-toggle[aria-expanded="true"] .advanced-arrow {
    transform: rotate(180deg);
}

.advanced-content {
    padding: 0 23px 23px;
}

.advanced-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.advanced-group {
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-strong);
}

.advanced-group h4 {
    margin: 0 0 15px;
    color: var(--heading);
    font-size: 0.9rem;
    font-weight: 800;
}

.option-row {
    position: relative;
    gap: 9px;
    margin-top: 12px;
    color: var(--text);
    font-size: 0.76rem;
    font-weight: 650;
}

.option-row::before {
    display: grid;
    width: 19px;
    height: 19px;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    content: "";
    background: var(--surface);
}

.option-row:has(input:checked)::before {
    border-color: var(--primary);
    content: "✓";
    color: white;
    background: var(--primary);
    font-size: 0.7rem;
    font-weight: 900;
}

.color-control {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 48px;
    padding: 7px 12px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
}

.color-control input {
    width: 34px;
    height: 30px;
    border: 0;
    padding: 0;
    background: transparent;
}

.color-control span {
    color: var(--text-soft);
    font-size: 0.76rem;
    font-weight: 800;
}

.form-message {
    margin-top: 18px;
    padding: 14px 16px;
    border: 1px solid rgba(89, 102, 242, 0.2);
    border-radius: 14px;
    color: var(--text);
    background: var(--primary-soft);
    font-size: 0.82rem;
}

.form-message.is-error {
    border-color: rgba(209, 67, 91, 0.25);
    color: var(--danger);
    background: rgba(209, 67, 91, 0.08);
}

.converter-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: 24px;
}

.converter-actions p {
    max-width: 440px;
    margin: 0;
    color: var(--text-soft);
    font-size: 0.75rem;
    text-align: right;
}

.features-section {
    padding: 32px 0 85px;
}

.section-heading.centered {
    max-width: 720px;
    margin: 0 auto 30px;
    text-align: center;
}

.section-heading.centered .section-kicker {
    justify-content: center;
}

.feature-grid {
    display: grid;
    grid-template-columns:
        repeat(5, minmax(0, 1fr));
    gap: 16px;
}

.feature-card {
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
}

.feature-icon {
    display: grid;
    width: 45px;
    height: 45px;
    margin-bottom: 16px;
    place-items: center;
    border-radius: 14px;
    color: white;
    background:
        linear-gradient(
            145deg,
            var(--cyan),
            var(--primary),
            var(--purple)
        );
    box-shadow: 0 12px 24px rgba(89, 102, 242, 0.22);
    font-size: 1.1rem;
    font-weight: 900;
}

.feature-card h3 {
    margin: 0 0 7px;
    color: var(--heading);
    font-size: 1rem;
    font-weight: 800;
}

.feature-card p {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.8rem;
}

.site-footer {
    padding: 0 0 28px;
}

.footer-shell {
    padding: 21px 24px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--surface);
    box-shadow: var(--shadow-soft);
    text-align: center;
    backdrop-filter: blur(18px);
}

.footer-message {
    margin: 0 0 9px;
    color: var(--text);
    font-size: 0.82rem;
    font-weight: 700;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 7px;
    color: var(--text-soft);
    font-size: 0.7rem;
}

.footer-links a {
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--primary);
}

.modal-backdrop.show {
    opacity: 0.62;
}

.help-modal {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 26px;
    color: var(--text);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}

.help-modal .modal-header,
.help-modal .modal-footer {
    padding: 22px 24px;
    border-color: var(--border);
}

.help-modal .modal-body {
    padding: 24px;
}

.help-modal .modal-title {
    margin-top: 5px;
    color: var(--heading);
    font-size: 1.35rem;
    font-weight: 800;
}

.help-step {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 14px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border);
}

.help-step > span {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border-radius: 11px;
    color: white;
    background:
        linear-gradient(
            145deg,
            var(--primary),
            var(--purple)
        );
    font-size: 0.78rem;
    font-weight: 900;
}

.help-step h3 {
    margin: 0 0 4px;
    color: var(--heading);
    font-size: 0.95rem;
    font-weight: 800;
}

.help-step p,
.help-notice p {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.8rem;
}

.help-notice {
    margin-top: 20px;
    padding: 17px;
    border: 1px solid rgba(23, 138, 102, 0.2);
    border-radius: 16px;
    background: rgba(23, 138, 102, 0.08);
}

.help-notice strong {
    display: block;
    margin-bottom: 4px;
    color: var(--success);
    font-size: 0.84rem;
}

@keyframes gradient-rotate {
    to {
        transform: rotate(360deg);
    }
}

@keyframes float-one {
    to {
        transform: translate(18vw, 12vh) scale(1.16);
    }
}

@keyframes float-two {
    to {
        transform: translate(-14vw, 15vh) scale(0.9);
    }
}

@keyframes float-three {
    to {
        transform: translate(12vw, -12vh) scale(1.12);
    }
}

@keyframes glow-drift {
    to {
        transform:
            translateX(-42%)
            translateY(10vh)
            rotate(7deg)
            scale(1.2);
    }
}

@keyframes chip-float {
    50% {
        transform: translateY(-12px) rotate(2deg);
    }
}

@media (max-width: 980px) {
    .hero-layout {
        grid-template-columns: 1fr;
    }

    .hero-format-cloud {
        display: none;
    }

    .hero-copy {
        text-align: center;
    }

    .hero-copy h1,
    .hero-description {
        margin-inline: auto;
    }

    .hero-badges {
        justify-content: center;
    }

    .settings-grid {
        grid-template-columns: 1fr;
    }

    .advanced-grid {
        grid-template-columns: 1fr;
    }

    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    .container {
        width: min(calc(100% - 22px), var(--container));
    }

    .site-header {
        padding-top: 11px;
    }

    .navbar-shell {
        padding: 9px;
        border-radius: 18px;
    }

    .brand-logo-wrap {
        width: 42px;
        height: 42px;
    }

    .brand-logo {
        width: 42px;
        height: 42px;
    }

    .brand-copy small {
        display: none;
    }

    .header-button {
        width: 42px;
        padding: 0;
        font-size: 0;
    }

    .header-button span {
        font-size: 0.76rem;
    }

    .hero-section {
        padding: 58px 0 32px;
    }

    .hero-copy h1 {
        font-size: clamp(2.45rem, 14vw, 4rem);
    }

    .hero-description {
        font-size: 0.97rem;
    }

    .converter-card {
        padding: 17px;
        border-radius: 24px;
    }

    .converter-heading {
        display: block;
    }

    .privacy-note {
        display: inline-block;
        margin-top: 13px;
    }

    .drop-zone {
        min-height: 285px;
        padding: 28px 15px;
    }

    .selected-files {
        padding: 16px;
    }

    .settings-panel {
        padding: 18px;
    }

    .dimension-grid {
        grid-template-columns: 1fr;
    }

    .converter-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .converter-actions .primary-button {
        width: 100%;
    }

    .converter-actions p {
        text-align: center;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .footer-shell {
        padding: 18px 15px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Finální oprava hlavičky a patičky */
.site-header .container,
.site-footer .container {
    display: block;
}

.navbar-shell {
    width: 100%;
}

.header-actions {
    flex: 0 0 auto;
}

.header-button,
.theme-button {
    cursor: pointer;
}

.footer-shell {
    width: 100%;
}

html[data-theme="dark"] .brand-logo-wrap {
    background: transparent;
}

html[data-theme="dark"] .brand-logo {
    filter: none;
}

@media (max-width: 680px) {
    .navbar-shell {
        align-items: center;
    }

    .brand-copy strong {
        max-width: 155px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .footer-links {
        line-height: 1.8;
    }
}

/* Výsledek konverze */
.form-message.is-success {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;

    border-color: rgba(23, 138, 102, 0.24);
    color: var(--text);
    background:
        linear-gradient(
            135deg,
            rgba(23, 138, 102, 0.1),
            rgba(36, 200, 217, 0.08)
        );
}

.conversion-result-copy {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.conversion-result-title {
    color: var(--heading);
    font-size: 0.9rem;
}

.conversion-result-meta {
    color: var(--text-soft);
    font-size: 0.75rem;
}

.conversion-download {
    flex: 0 0 auto;
    color: #fff;
    text-decoration: none;
}

.conversion-download:hover {
    color: #fff;
}

#convert-button[aria-busy="true"] span:last-child {
    animation: conversion-spin 0.9s linear infinite;
}

@keyframes conversion-spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 680px) {
    .form-message.is-success {
        align-items: stretch;
        flex-direction: column;
    }

    .conversion-download {
        width: 100%;
        text-align: center;
    }
}

/* Grafický editor */
.editor-modal {
    overflow: hidden;

    color: var(--text);
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 28px;
    box-shadow: var(--shadow);
}

.editor-modal .modal-header,
.editor-modal .modal-footer {
    padding: 21px 24px;
    border-color: var(--border);
}

.editor-modal .modal-body {
    padding: 20px 24px 24px;
}

.editor-modal .modal-title {
    margin-top: 4px;

    color: var(--heading);
    font-size: 1.4rem;
    font-weight: 800;
}

.editor-file-name {
    max-width: 650px;
    margin: 3px 0 0;
    overflow: hidden;

    color: var(--text-soft);
    font-size: 0.78rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.editor-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(290px, 0.65fr);
    gap: 20px;
}

.editor-canvas-panel {
    min-width: 0;
}

.editor-canvas-wrap {
    position: relative;
    display: grid;
    min-height: 590px;
    place-items: center;
    overflow: hidden;

    background:
        linear-gradient(
            45deg,
            rgba(110, 119, 160, 0.11) 25%,
            transparent 25%
        ),
        linear-gradient(
            -45deg,
            rgba(110, 119, 160, 0.11) 25%,
            transparent 25%
        ),
        linear-gradient(
            45deg,
            transparent 75%,
            rgba(110, 119, 160, 0.11) 75%
        ),
        linear-gradient(
            -45deg,
            transparent 75%,
            rgba(110, 119, 160, 0.11) 75%
        ),
        var(--surface-soft);

    background-position:
        0 0,
        0 12px,
        12px -12px,
        -12px 0;

    background-size: 24px 24px;

    border: 1px solid var(--border);
    border-radius: 20px;
}

.editor-canvas-wrap img {
    display: block;
    max-width: 100%;
}

.editor-canvas-wrap .cropper-container {
    max-width: 100%;
}

.editor-hint {
    margin: 10px 3px 0;

    color: var(--text-soft);
    font-size: 0.74rem;
    text-align: center;
}

.editor-sidebar {
    display: grid;
    align-content: start;
    gap: 12px;
}

.editor-tool-group {
    padding: 16px;

    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 17px;
}

.editor-tool-group h3 {
    margin: 0 0 12px;

    color: var(--heading);
    font-size: 0.85rem;
    font-weight: 800;
}

.editor-button-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
}

.editor-tool-button,
.editor-icon-button,
.editor-reset-button {
    color: var(--text);
    background: var(--surface-strong);
    border: 1px solid var(--border);
    cursor: pointer;

    transition:
        color 0.18s ease,
        background 0.18s ease,
        border-color 0.18s ease,
        transform 0.18s ease;
}

.editor-tool-button:hover,
.editor-icon-button:hover,
.editor-reset-button:hover {
    transform: translateY(-1px);
    border-color: var(--primary);
}

.editor-tool-button {
    min-height: 40px;
    padding: 8px 9px;

    border-radius: 11px;
    font-size: 0.72rem;
    font-weight: 750;
}

.editor-tool-button.is-active {
    color: white;
    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--purple)
        );
    border-color: transparent;
}

.editor-zoom-row {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) 38px;
    align-items: center;
    gap: 9px;
}

.editor-zoom-row input[type="range"] {
    width: 100%;
    accent-color: var(--primary);
}

.editor-icon-button {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;

    border-radius: 11px;
    font-size: 1.1rem;
    font-weight: 800;
}

.editor-dimensions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
}

.editor-dimensions label {
    display: block;
    margin-bottom: 6px;

    color: var(--text);
    font-size: 0.72rem;
    font-weight: 750;
}

.editor-ratio-switch {
    margin-top: 13px;
}

.editor-reset-button {
    width: 100%;
    min-height: 42px;
    padding: 8px 14px;

    color: var(--danger);
    border-radius: 13px;
    font-size: 0.76rem;
    font-weight: 800;
}

.editor-message {
    margin-top: 14px;
    padding: 12px 14px;

    color: var(--danger);
    background: rgba(209, 67, 91, 0.08);
    border: 1px solid rgba(209, 67, 91, 0.22);
    border-radius: 13px;

    font-size: 0.8rem;
}

.editor-footer {
    display: flex;
    justify-content: flex-end;
    gap: 9px;
}

.file-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.file-edit,
.file-remove {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;

    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
}

.file-edit {
    color: var(--primary);
}

.file-edit:hover {
    border-color: var(--primary);
    background: var(--primary-soft);
}

.file-was-edited {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 6px;

    color: var(--success);
    font-size: 0.68rem;
    font-weight: 800;
}

.cropper-view-box,
.cropper-face {
    border-radius: 4px;
}

.cropper-line,
.cropper-point {
    background-color: var(--primary);
}

.cropper-view-box {
    outline-color: var(--primary);
    outline-color: rgba(89, 102, 242, 0.82);
}

@media (max-width: 990px) {
    .editor-layout {
        grid-template-columns: 1fr;
    }

    .editor-canvas-wrap {
        min-height: 480px;
    }

    .editor-sidebar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    .editor-modal .modal-header,
    .editor-modal .modal-footer {
        padding: 17px;
    }

    .editor-modal .modal-body {
        padding: 15px 17px 18px;
    }

    .editor-canvas-wrap {
        min-height: 360px;
    }

    .editor-sidebar {
        grid-template-columns: 1fr;
    }

    .editor-dimensions {
        grid-template-columns: 1fr;
    }

    .editor-footer {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .editor-footer > * {
        width: 100%;
    }
}

/* Textové tlačítko grafického editoru */
.file-edit {
    display: inline-flex;
    width: auto;
    min-width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 10px;

    white-space: nowrap;
    font-size: 0.72rem;
    font-weight: 800;
}

.file-edit > span:first-child {
    font-size: 0.9rem;
}

@media (max-width: 520px) {
    .file-edit {
        width: 34px;
        padding: 0;
    }

    .file-edit > span:last-child {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
        white-space: nowrap;
    }
}

/* Rozšířený přehled optimalizace */
.conversion-result-copy {
    display: grid;
    gap: 10px;
    min-width: 0;
}

.conversion-result-stats {
    display: flex;
    align-items: center;
    gap: 13px;
}

.conversion-stat {
    display: grid;
    gap: 2px;
}

.conversion-stat-label {
    color: var(--text-soft);
    font-size: 0.66rem;
    font-weight: 700;
}

.conversion-stat-value {
    color: var(--heading);
    font-size: 0.93rem;
    font-weight: 850;
}

.conversion-stat-arrow {
    color: var(--primary);
    font-size: 1rem;
    font-weight: 900;
}

.optimization-summary {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;

    color: var(--text-soft);
    font-size: 0.72rem;
}

.optimization-badge {
    display: inline-flex;
    align-items: center;
    min-height: 25px;
    padding: 4px 9px;

    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 850;
}

.optimization-summary.is-smaller .optimization-badge {
    color: var(--success);
    background: rgba(23, 138, 102, 0.12);
    border: 1px solid rgba(23, 138, 102, 0.22);
}

.optimization-summary.is-larger .optimization-badge {
    color: var(--warning);
    background: rgba(214, 139, 44, 0.13);
    border: 1px solid rgba(214, 139, 44, 0.24);
}

.optimization-summary.is-same .optimization-badge {
    color: var(--text-soft);
    background: var(--surface-soft);
    border: 1px solid var(--border);
}

@media (max-width: 680px) {
    .conversion-result-stats {
        align-items: flex-start;
        flex-direction: column;
        gap: 7px;
    }

    .conversion-stat-arrow {
        transform: rotate(90deg);
    }
}

/* Odstranění pozadí v grafickém editoru */
.editor-tool-description {
    margin: -2px 0 12px;
    color: var(--text-soft);
    font-size: 0.72rem;
    line-height: 1.55;
}

.editor-background-color-row {
    display: grid;
    gap: 7px;
    margin-bottom: 13px;
}

.editor-background-color-row > label,
.editor-range-label {
    color: var(--text-soft);
    font-size: 0.7rem;
    font-weight: 750;
}

.editor-color-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.editor-color-control input[type="color"] {
    width: 48px;
    height: 38px;
    padding: 3px;
    cursor: pointer;

    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface-soft);
}

.editor-color-control output {
    flex: 1;
    min-width: 0;
    padding: 8px 10px;

    color: var(--heading);
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 10px;

    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
}

.editor-range-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 7px;
}

.editor-range-label output {
    color: var(--primary);
    font-weight: 850;
}

#editorBackgroundTolerance {
    width: 100%;
    margin-bottom: 13px;
    accent-color: var(--primary);
}

.editor-background-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

.editor-remove-background-button {
    color: var(--primary);
    border-color: color-mix(
        in srgb,
        var(--primary) 36%,
        var(--border)
    );
}

.editor-remove-background-button:hover {
    color: #fff;
    background: var(--primary);
    border-color: var(--primary);
}

.editor-undo-background {
    width: 100%;
    margin-top: 9px;
    padding: 8px 10px;

    color: var(--text-soft);
    background: transparent;
    border: 1px dashed var(--border);
    border-radius: 10px;

    font-size: 0.7rem;
    font-weight: 750;
    transition:
        color 0.2s ease,
        background 0.2s ease,
        border-color 0.2s ease,
        opacity 0.2s ease;
}

.editor-undo-background:not(:disabled):hover {
    color: var(--heading);
    background: var(--surface-soft);
    border-color: var(--primary);
}

.editor-undo-background:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

/* Kapátko a jemnost hran */
#editorBackgroundFeather {
    width: 100%;
    margin-bottom: 13px;
    accent-color: var(--primary);
}

#editorPickBackground.is-active {
    color: #fff;
    background: var(--primary);
    border-color: var(--primary);
    box-shadow:
        0 0 0 3px
        color-mix(
            in srgb,
            var(--primary) 18%,
            transparent
        );
}

.editor-canvas-wrap.is-color-picking,
.editor-canvas-wrap.is-color-picking canvas,
.editor-canvas-wrap.is-color-picking img {
    cursor: crosshair !important;
}

.editor-canvas-wrap.is-color-picking::after {
    content: "Klikněte na barvu pozadí";

    position: absolute;
    z-index: 30;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);

    padding: 7px 12px;

    color: #fff;
    background: rgba(18, 24, 38, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    backdrop-filter: blur(8px);

    font-size: 0.7rem;
    font-weight: 800;
    pointer-events: none;
    white-space: nowrap;
}

@media (max-width: 560px) {
    .editor-canvas-wrap.is-color-picking::after {
        bottom: 10px;
        max-width: calc(100% - 24px);
        overflow: hidden;
        text-overflow: ellipsis;
    }
}
/* Automatické opravy obrázku */
.file-auto-repair {
    display: inline-flex;
    min-height: 34px;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 10px;
    border: 1px solid
        color-mix(
            in srgb,
            var(--purple) 34%,
            var(--border)
        );
    border-radius: 10px;
    color: var(--purple);
    background:
        color-mix(
            in srgb,
            var(--purple) 8%,
            transparent
        );
    font-size: 0.72rem;
    font-weight: 800;
    transition:
        transform 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease;
}

.file-auto-repair:hover {
    transform: translateY(-1px);
    border-color: var(--purple);
    color: #fff;
    background:
        linear-gradient(
            120deg,
            var(--primary),
            var(--purple)
        );
}

.auto-repair-modal {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}

.auto-repair-layout {
    display: grid;
    grid-template-columns:
        minmax(0, 1fr)
        minmax(260px, 330px);
    gap: 22px;
}

.auto-repair-preview-panel {
    min-width: 0;
}

.auto-repair-preview-wrap {
    position: relative;
    display: grid;
    min-height: 540px;
    place-items: center;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background-color: #eef1f8;
    background-image:
        linear-gradient(
            45deg,
            rgba(112, 122, 153, 0.15) 25%,
            transparent 25%
        ),
        linear-gradient(
            -45deg,
            rgba(112, 122, 153, 0.15) 25%,
            transparent 25%
        ),
        linear-gradient(
            45deg,
            transparent 75%,
            rgba(112, 122, 153, 0.15) 75%
        ),
        linear-gradient(
            -45deg,
            transparent 75%,
            rgba(112, 122, 153, 0.15) 75%
        );
    background-position:
        0 0,
        0 10px,
        10px -10px,
        -10px 0;
    background-size: 20px 20px;
}

html[data-theme="dark"] .auto-repair-preview-wrap {
    background-color: #15192c;
}

#autoRepairCanvas {
    display: block;
    max-width: 100%;
    max-height: 70vh;
    width: auto;
    height: auto;
    object-fit: contain;
}

.auto-repair-preview-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 10px;
    color: var(--text-soft);
    font-size: 0.74rem;
}

.auto-repair-compare {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--primary);
    background: var(--surface-soft);
    font-size: 0.72rem;
    font-weight: 800;
    user-select: none;
    touch-action: none;
}

.auto-repair-compare.is-comparing {
    color: #fff;
    border-color: var(--primary);
    background: var(--primary);
}

.auto-repair-sidebar {
    display: grid;
    align-content: start;
    gap: 12px;
}

.auto-repair-tool-group {
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-soft);
}

.auto-repair-tool-group h3 {
    margin: 0 0 5px;
    color: var(--heading);
    font-size: 0.9rem;
    font-weight: 850;
}

.auto-repair-tool-group p {
    margin: 0 0 13px;
    color: var(--text-soft);
    font-size: 0.72rem;
    line-height: 1.5;
}

.auto-repair-main-action {
    display: flex;
    width: 100%;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 10px 13px;
    border: 0;
    border-radius: 13px;
    color: #fff;
    background:
        linear-gradient(
            115deg,
            var(--cyan),
            var(--primary) 45%,
            var(--purple)
        );
    box-shadow:
        0 12px 26px
        color-mix(
            in srgb,
            var(--primary) 25%,
            transparent
        );
    font-size: 0.78rem;
    font-weight: 850;
}

.auto-repair-main-action:hover:not(:disabled) {
    transform: translateY(-1px);
}

.auto-repair-button-grid {
    display: grid;
    grid-template-columns:
        repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.auto-repair-tool-button {
    min-height: 42px;
    padding: 8px 9px;
    border: 1px solid var(--border);
    border-radius: 11px;
    color: var(--text);
    background: var(--surface-strong);
    font-size: 0.7rem;
    font-weight: 780;
    line-height: 1.3;
}

.auto-repair-tool-button:hover:not(:disabled) {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-soft);
}

.auto-repair-wide-button {
    grid-column: 1 / -1;
}

.auto-repair-history-actions {
    display: grid;
    gap: 8px;
}

.auto-repair-history-actions .secondary-button,
.auto-repair-history-actions .editor-reset-button {
    width: 100%;
    min-height: 40px;
    margin: 0;
    padding: 8px 10px;
    font-size: 0.7rem;
}

.auto-repair-main-action:disabled,
.auto-repair-tool-button:disabled,
.auto-repair-compare:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.auto-repair-loading {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: grid;
    place-content: center;
    place-items: center;
    gap: 12px;
    color: var(--heading);
    background:
        color-mix(
            in srgb,
            var(--surface-strong) 82%,
            transparent
        );
    backdrop-filter: blur(8px);
}

.auto-repair-loading[hidden] {
    display: none;
}

.auto-repair-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation:
        auto-repair-spin 0.8s linear infinite;
}

@keyframes auto-repair-spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 991px) {
    .auto-repair-layout {
        grid-template-columns: 1fr;
    }

    .auto-repair-preview-wrap {
        min-height: 420px;
    }

    .auto-repair-sidebar {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

    .auto-repair-tool-group:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 620px) {
    .file-actions {
        flex-wrap: wrap;
    }

    .file-auto-repair,
    .file-edit {
        flex: 1 1 100%;
    }

    .auto-repair-preview-wrap {
        min-height: 300px;
    }

    .auto-repair-preview-info {
        align-items: stretch;
        flex-direction: column;
    }

    .auto-repair-sidebar {
        grid-template-columns: 1fr;
    }

    .auto-repair-tool-group:first-child {
        grid-column: auto;
    }

    .auto-repair-button-grid {
        grid-template-columns: 1fr;
    }

    .auto-repair-wide-button {
        grid-column: auto;
    }
}


/* SOFON_METADATA_PHASE4A1 – metadata obrázků */
.file-metadata {
    display: inline-flex;
    min-height: 34px;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 10px;
    border: 1px solid
        color-mix(
            in srgb,
            var(--cyan) 42%,
            var(--border)
        );
    border-radius: 10px;
    color: var(--cyan);
    background:
        color-mix(
            in srgb,
            var(--cyan) 8%,
            transparent
        );
    font-size: 0.72rem;
    font-weight: 800;
    white-space: nowrap;
    transition:
        transform 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease;
}

.file-metadata:hover {
    transform: translateY(-1px);
    border-color: var(--cyan);
    color: #fff;
    background:
        linear-gradient(
            120deg,
            var(--cyan),
            var(--primary)
        );
}

.metadata-modal {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}

.metadata-modal-body {
    position: relative;
}

.metadata-loading {
    position: absolute;
    inset: 0;
    z-index: 20;
    display: grid;
    min-height: 320px;
    place-content: center;
    place-items: center;
    gap: 12px;
    color: var(--heading);
    background:
        color-mix(
            in srgb,
            var(--surface-strong) 88%,
            transparent
        );
    backdrop-filter: blur(9px);
}

.metadata-loading[hidden] {
    display: none;
}

.metadata-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 16px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-soft);
}

.metadata-summary-main {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 12px;
}

.metadata-summary-main > div {
    display: grid;
    min-width: 0;
    gap: 2px;
}

.metadata-summary-main strong {
    overflow: hidden;
    color: var(--heading);
    font-size: 0.86rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.metadata-summary-main span:not(.metadata-format-badge) {
    color: var(--text-soft);
    font-size: 0.72rem;
}

.metadata-format-badge {
    display: grid;
    min-width: 50px;
    min-height: 42px;
    place-items: center;
    padding: 6px 9px;
    border-radius: 12px;
    color: #fff;
    background:
        linear-gradient(
            135deg,
            var(--cyan),
            var(--primary),
            var(--purple)
        );
    font-size: 0.68rem;
    font-weight: 900;
    letter-spacing: 0.04em;
}

.metadata-support-note {
    max-width: 430px;
    margin: 0;
    color: var(--text-soft);
    font-size: 0.7rem;
    line-height: 1.45;
    text-align: right;
}

.metadata-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 16px;
    padding: 7px;
    border: 1px solid var(--border);
    border-radius: 15px;
    background: var(--surface-soft);
}

.metadata-tabs .nav-link {
    padding: 8px 13px;
    border: 0;
    border-radius: 11px;
    color: var(--text-soft);
    font-size: 0.74rem;
    font-weight: 800;
}

.metadata-tabs .nav-link:hover {
    color: var(--primary);
    background: var(--primary-soft);
}

.metadata-tabs .nav-link.active {
    color: #fff;
    background:
        linear-gradient(
            110deg,
            var(--primary),
            var(--purple)
        );
}

.metadata-tab-content {
    min-height: 320px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface-soft);
}

.metadata-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.metadata-field {
    display: grid;
    align-content: start;
    gap: 6px;
}

.metadata-field-wide {
    grid-column: 1 / -1;
}

.metadata-field > span {
    color: var(--text);
    font-size: 0.74rem;
    font-weight: 800;
}

.metadata-field small,
.metadata-pane-note {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.68rem;
    line-height: 1.45;
}

.metadata-textarea {
    min-height: 96px;
    padding-top: 11px;
    padding-bottom: 11px;
    resize: vertical;
}

.metadata-field .custom-control:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.metadata-unit-field {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
}

.metadata-unit-field > span {
    color: var(--text-soft);
    font-size: 0.75rem;
    font-weight: 800;
}

.metadata-readonly-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 17px 0 0;
}

.metadata-readonly-grid > div {
    min-width: 0;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: var(--surface-strong);
}

.metadata-readonly-grid dt {
    margin-bottom: 3px;
    color: var(--text-soft);
    font-size: 0.64rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metadata-readonly-grid dd {
    margin: 0;
    overflow-wrap: anywhere;
    color: var(--heading);
    font-size: 0.76rem;
    font-weight: 750;
}

.metadata-technical-toolbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 12px;
}

.metadata-technical-toolbar > div {
    display: grid;
    gap: 2px;
}

.metadata-technical-toolbar strong {
    color: var(--heading);
    font-size: 0.8rem;
}

.metadata-technical-toolbar span {
    max-width: 620px;
    color: var(--text-soft);
    font-size: 0.67rem;
    line-height: 1.45;
}

.metadata-search {
    width: min(280px, 100%);
    min-height: 40px;
}

.metadata-technical-list {
    display: grid;
    max-height: 420px;
    gap: 7px;
    margin: 0;
    overflow: auto;
    padding-right: 3px;
}

.metadata-tech-row {
    display: grid;
    grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1fr);
    gap: 14px;
    padding: 9px 11px;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: var(--surface-strong);
}

.metadata-tech-row dt {
    display: grid;
    min-width: 0;
    gap: 1px;
}

.metadata-tech-row dt strong {
    overflow-wrap: anywhere;
    color: var(--text);
    font-size: 0.7rem;
}

.metadata-tech-group {
    color: var(--primary);
    font-size: 0.58rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.metadata-tech-row dd {
    margin: 0;
    overflow-wrap: anywhere;
    color: var(--text-soft);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.67rem;
    line-height: 1.45;
}

.metadata-empty {
    padding: 24px;
    color: var(--text-soft);
    text-align: center;
    font-size: 0.75rem;
}

.metadata-message.is-success {
    color: var(--success);
    border-color: rgba(23, 138, 102, 0.24);
    background: rgba(23, 138, 102, 0.08);
}

.metadata-final-note {
    margin: 12px 0 0;
    color: var(--text-soft);
    font-size: 0.68rem;
    line-height: 1.5;
}

.metadata-footer {
    flex-wrap: wrap;
}

.metadata-strip-button {
    min-height: 43px;
    margin-right: auto;
    padding: 0 15px;
    border: 1px solid rgba(209, 67, 91, 0.28);
    border-radius: 13px;
    color: var(--danger);
    background: rgba(209, 67, 91, 0.06);
    font-size: 0.74rem;
    font-weight: 800;
}

.metadata-strip-button:hover:not(:disabled) {
    border-color: var(--danger);
    background: rgba(209, 67, 91, 0.12);
}

.metadata-strip-button:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

@media (max-width: 990px) {
    .metadata-summary {
        align-items: flex-start;
        flex-direction: column;
    }

    .metadata-support-note {
        max-width: none;
        text-align: left;
    }

    .metadata-readonly-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    .file-actions {
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .file-edit,
    .file-auto-repair,
    .file-metadata {
        min-width: 34px;
        padding-inline: 8px;
    }

    .metadata-form-grid,
    .metadata-readonly-grid {
        grid-template-columns: 1fr;
    }

    .metadata-field-wide {
        grid-column: auto;
    }

    .metadata-technical-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .metadata-search {
        width: 100%;
    }

    .metadata-tech-row {
        grid-template-columns: 1fr;
        gap: 5px;
    }

    .metadata-footer {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .metadata-footer > * {
        width: 100%;
        margin: 0;
    }
}

@media (max-width: 520px) {
    .file-auto-repair > span:last-child,
    .file-metadata > span:last-child {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
        white-space: nowrap;
    }
}

/* SOFON_AUDIO_PHASE4B */
.media-mode-switch {
    position: relative;
    z-index: 2;
    display: grid;
    width: min(100%, 720px);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    margin: 0 auto 30px;
    padding: 6px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface-soft);
}

.media-mode-button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    border-radius: 13px;
    color: var(--text-soft);
    background: transparent;
    font-size: 0.84rem;
    font-weight: 850;
    transition: transform 0.2s ease, color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.media-mode-button:hover { color: var(--primary); }
.media-mode-button.is-active {
    color: #fff;
    background: linear-gradient(115deg, var(--cyan), var(--primary) 48%, var(--purple));
    box-shadow: 0 10px 24px rgba(89, 102, 242, 0.22);
}

#audioConverterPanel[hidden],
#imageConverterPanel[hidden],
#youtubeConverterPanel[hidden] { display: none !important; }

.audio-converter-heading { margin-top: 0; }
.audio-drop-zone { min-height: 300px; }
.audio-drop-zone-icon span { font-size: 2rem; font-weight: 800; }
.audio-browse-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.audio-folder-button { min-height: 43px; padding: 0 17px; border-radius: 13px; }
.audio-selected-files { margin-top: 22px; }
.audio-queue-summary {
    margin: -3px 0 15px;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-soft);
    background: var(--surface-strong);
    font-size: 0.74rem;
    font-weight: 750;
}
.audio-file-list { display: grid; gap: 10px; }
.audio-file-item {
    display: grid;
    grid-template-columns: 68px minmax(0, 1fr) auto;
    align-items: start;
    gap: 14px;
    padding: 13px;
    border: 1px solid var(--border);
    border-radius: 17px;
    background: var(--surface-strong);
}
.audio-file-item.is-loading { border-color: color-mix(in srgb, var(--primary) 42%, var(--border)); }
.audio-file-item.is-error { border-color: color-mix(in srgb, var(--danger) 45%, var(--border)); }
.audio-cover {
    display: grid;
    width: 68px;
    height: 68px;
    place-items: center;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 15px;
    color: var(--primary);
    background: linear-gradient(145deg, var(--primary-soft), var(--surface-soft));
    font-size: 1.65rem;
    font-weight: 900;
}
.audio-cover img { width: 100%; height: 100%; object-fit: cover; }
.audio-file-body { min-width: 0; }
.audio-file-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.audio-file-heading > div { min-width: 0; }
.audio-file-heading strong { display: block; overflow: hidden; color: var(--heading); font-size: 0.86rem; text-overflow: ellipsis; white-space: nowrap; }
.audio-file-heading small { display: block; margin-top: 2px; color: var(--text-soft); font-size: 0.69rem; }
.audio-status-badge { flex: 0 0 auto; padding: 4px 8px; border-radius: 999px; color: var(--primary); background: var(--primary-soft); font-size: 0.64rem; font-weight: 850; }
.is-ready .audio-status-badge { color: var(--success); background: color-mix(in srgb, var(--success) 10%, transparent); }
.is-error .audio-status-badge { color: var(--danger); background: color-mix(in srgb, var(--danger) 10%, transparent); }
.audio-technical-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.audio-technical-badges span { padding: 4px 7px; border: 1px solid var(--border); border-radius: 999px; color: var(--text-soft); background: var(--surface-soft); font-size: 0.64rem; font-weight: 750; }
.audio-metadata-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px 14px; margin-top: 11px; }
.audio-meta-row { min-width: 0; }
.audio-meta-row span { display: block; color: var(--text-soft); font-size: 0.62rem; font-weight: 700; }
.audio-meta-row strong { display: block; overflow: hidden; color: var(--text); font-size: 0.72rem; text-overflow: ellipsis; white-space: nowrap; }
.audio-no-tags, .audio-entry-error { margin: 9px 0 0; font-size: 0.71rem; }
.audio-no-tags { color: var(--text-soft); }
.audio-entry-error { color: var(--danger); }
.audio-remove { margin-top: 1px; }
.audio-phase-note { display: flex; align-items: flex-start; gap: 10px; margin-top: 18px; padding: 13px 15px; border: 1px solid var(--border); border-radius: 15px; color: var(--text-soft); background: var(--surface-soft); font-size: 0.74rem; }
.audio-phase-note strong { flex: 0 0 auto; color: var(--primary); }

@media (max-width: 760px) {
    .audio-file-item { grid-template-columns: 56px minmax(0, 1fr) auto; gap: 10px; }
    .audio-cover { width: 56px; height: 56px; border-radius: 13px; }
    .audio-metadata-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .audio-phase-note { flex-direction: column; gap: 3px; }
}

@media (max-width: 520px) {
    .media-mode-switch { width: 100%; }
    .audio-browse-actions { width: 100%; flex-direction: column; }
    .audio-browse-actions .primary-button, .audio-browse-actions .secondary-button { width: 100%; }
    .audio-file-item { grid-template-columns: 48px minmax(0, 1fr); }
    .audio-cover { width: 48px; height: 48px; }
    .audio-remove { grid-column: 1 / -1; width: 100%; }
    .audio-metadata-grid { grid-template-columns: 1fr; }
}



/* SOFON_AUDIO_ARTWORK_PHASE4B1 */
.audio-item-actions {
    display: flex;
    min-width: 104px;
    flex-direction: column;
    align-items: stretch;
    gap: 7px;
}
.audio-artwork-button {
    display: inline-flex;
    min-height: 32px;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 9px;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--primary);
    background: var(--surface-soft);
    font-size: 0.68rem;
    font-weight: 800;
}
.audio-artwork-button:hover:not(:disabled) {
    border-color: var(--primary);
    background: var(--primary-soft);
}
.audio-artwork-button:disabled { opacity: .42; cursor: not-allowed; }
.audio-item-actions .audio-remove { width: 100%; height: 32px; margin: 0; }
.audio-artwork-modal { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-xl); background: var(--surface-strong); box-shadow: var(--shadow); }
.audio-artwork-layout { display: grid; grid-template-columns: minmax(210px, .72fr) minmax(0, 1.28fr); gap: 22px; align-items: start; }
.audio-artwork-preview-shell { display: grid; gap: 9px; }
.audio-artwork-preview {
    display: grid;
    aspect-ratio: 1;
    width: min(100%, 330px);
    place-items: center;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 22px;
    color: var(--primary);
    background: linear-gradient(145deg, var(--surface-soft), var(--primary-soft));
    font-size: 4rem;
}
.audio-artwork-preview img { width: 100%; height: 100%; object-fit: cover; }
.audio-artwork-preview-shell small { color: var(--text-soft); font-size: .72rem; line-height: 1.45; }
.audio-artwork-controls { display: grid; gap: 14px; }
.audio-artwork-drop {
    display: grid;
    min-height: 190px;
    place-items: center;
    align-content: center;
    gap: 8px;
    padding: 20px;
    border: 2px dashed color-mix(in srgb, var(--primary) 34%, var(--border));
    border-radius: var(--radius-md);
    background: var(--surface-soft);
    text-align: center;
    cursor: pointer;
}
.audio-artwork-drop:hover, .audio-artwork-drop.is-dragging { border-color: var(--primary); background: var(--primary-soft); }
.audio-artwork-drop strong { color: var(--heading); font-size: .95rem; }
.audio-artwork-drop > span { color: var(--text-soft); font-size: .72rem; }
.audio-artwork-drop .secondary-button { margin-top: 4px; }
.audio-artwork-all-option { display: flex; align-items: flex-start; gap: 9px; padding: 12px 13px; border: 1px solid var(--border); border-radius: 13px; background: var(--surface-soft); color: var(--text); font-size: .74rem; font-weight: 700; }
.audio-artwork-all-option input { margin-top: 3px; accent-color: var(--primary); }
.audio-artwork-note { padding: 12px 13px; border-radius: 13px; color: var(--text-soft); background: color-mix(in srgb, var(--primary) 7%, transparent); font-size: .7rem; line-height: 1.55; }
.audio-artwork-footer { justify-content: space-between; gap: 12px; }
.audio-artwork-footer-main { display: flex; align-items: center; gap: 9px; }
@media (max-width: 760px) {
    .audio-artwork-layout { grid-template-columns: 1fr; }
    .audio-artwork-preview { width: min(100%, 280px); margin-inline: auto; }
    .audio-artwork-preview-shell small { text-align: center; }
    .audio-item-actions { grid-column: 1 / -1; min-width: 0; flex-direction: row; }
    .audio-item-actions > * { flex: 1 1 0; }
    .audio-artwork-footer { align-items: stretch; flex-direction: column; }
    .audio-artwork-footer-main { width: 100%; }
    .audio-artwork-footer-main > * { flex: 1 1 0; }
    .audio-artwork-footer > .editor-reset-button { width: 100%; }
}


/* SOFON_AUDIO_EDITOR_PHASE4C */
.audio-edit-button,
.audio-artwork-button {
    width: 100%;
}
.audio-edit-button {
    display: inline-flex;
    min-height: 32px;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 9px;
    border: 1px solid color-mix(in srgb, var(--cyan) 38%, var(--border));
    border-radius: 10px;
    color: var(--primary);
    background: color-mix(in srgb, var(--cyan) 7%, var(--surface-strong));
    font-size: .68rem;
    font-weight: 850;
    white-space: nowrap;
}
.audio-edit-button:hover:not(:disabled) {
    transform: translateY(-1px);
    border-color: var(--primary);
    color: #fff;
    background: linear-gradient(120deg, var(--cyan), var(--primary));
}
.audio-edit-button:disabled { opacity: .42; cursor: not-allowed; }
.audio-editor-modal {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}
.audio-editor-layout {
    display: grid;
    grid-template-columns: minmax(280px, .82fr) minmax(0, 1.18fr);
    gap: 22px;
    align-items: start;
}
.audio-editor-preview-panel {
    position: sticky;
    top: 0;
    display: grid;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface-soft);
}
.audio-editor-player-shell {
    display: flex;
    align-items: center;
    gap: 13px;
}
.audio-editor-player-icon {
    display: grid;
    width: 52px;
    height: 52px;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 16px;
    color: #fff;
    background: linear-gradient(145deg, var(--cyan), var(--primary), var(--purple));
    box-shadow: 0 12px 24px color-mix(in srgb, var(--primary) 22%, transparent);
    font-size: 1.5rem;
    font-weight: 800;
}
.audio-editor-player-copy { min-width: 0; }
.audio-editor-player-copy strong {
    display: block;
    overflow: hidden;
    color: var(--heading);
    font-size: .92rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.audio-editor-player-copy span {
    display: block;
    margin-top: 3px;
    color: var(--text-soft);
    font-size: .68rem;
    line-height: 1.45;
}
#audioEditorPlayer { width: 100%; }
.audio-editor-time-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.audio-editor-time-actions .secondary-button { min-height: 40px; padding: 7px 10px; font-size: .68rem; }
.audio-editor-summary {
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-soft);
    background: var(--surface-strong);
    font-size: .7rem;
    line-height: 1.5;
}
.audio-editor-summary.is-error { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 34%, var(--border)); }
.audio-editor-controls { display: grid; gap: 12px; }
.audio-editor-group {
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-soft);
}
.audio-editor-group h3 { margin: 3px 0 13px; color: var(--heading); font-size: .94rem; font-weight: 850; }
.audio-editor-group > small { display: block; margin-top: 8px; color: var(--text-soft); font-size: .67rem; }
.audio-editor-two-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.audio-editor-two-columns label > span {
    display: block;
    margin-bottom: 6px;
    color: var(--text);
    font-size: .7rem;
    font-weight: 800;
}
.audio-editor-range-heading { margin-top: 5px; }
.audio-editor-check {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    margin: 13px 0;
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-strong);
}
.audio-editor-check input { margin-top: 3px; accent-color: var(--primary); }
.audio-editor-check strong { display: block; color: var(--text); font-size: .72rem; }
.audio-editor-check small { display: block; margin-top: 2px; color: var(--text-soft); font-size: .65rem; font-weight: 500; }
.audio-editor-unit-field { position: relative; }
.audio-editor-unit-field input { width: 100%; padding-right: 34px; }
.audio-editor-unit-field em {
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    color: var(--text-soft);
    font-size: .69rem;
    font-style: normal;
    pointer-events: none;
}
.audio-editor-loading { z-index: 25; }
.audio-editor-footer { justify-content: space-between; gap: 12px; }
.audio-editor-footer-main { display: flex; align-items: center; gap: 9px; }
@media (max-width: 991px) {
    .audio-editor-layout { grid-template-columns: 1fr; }
    .audio-editor-preview-panel { position: static; }
}
@media (max-width: 620px) {
    .audio-editor-two-columns,
    .audio-editor-time-actions { grid-template-columns: 1fr; }
    .audio-editor-footer { align-items: stretch; flex-direction: column; }
    .audio-editor-footer-main { width: 100%; }
    .audio-editor-footer-main > * { flex: 1 1 0; }
    .audio-editor-footer > .editor-reset-button { width: 100%; }
}


/* SOFON_AUDIO_METADATA_PHASE4D */
.audio-list-header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.audio-list-header-actions .secondary-button.compact {
    min-height: 38px;
    padding: 0 13px;
    border-radius: 11px;
    font-size: .74rem;
}

.audio-metadata-button {
    display: inline-flex;
    min-height: 36px;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 11px;
    border: 1px solid var(--border);
    border-radius: 11px;
    color: var(--primary);
    background: var(--surface-strong);
    font-size: .7rem;
    font-weight: 800;
    transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.audio-metadata-button:hover:not(:disabled) {
    transform: translateY(-1px);
    border-color: var(--primary);
    background: var(--primary-soft);
}

.audio-metadata-button:disabled {
    opacity: .42;
    cursor: not-allowed;
}

.audio-metadata-modal {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}

.audio-metadata-mode-note,
.audio-metadata-format-note {
    display: flex;
    gap: 8px;
    align-items: baseline;
    flex-wrap: wrap;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-soft);
    background: var(--surface-soft);
    font-size: .74rem;
}

.audio-metadata-mode-note strong { color: var(--heading); }
.audio-metadata-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 14px 0;
}
.audio-metadata-field { display: grid; gap: 6px; }
.audio-metadata-field > span { color: var(--text); font-size: .74rem; font-weight: 800; }
.audio-metadata-field-wide { grid-column: 1 / -1; }
.audio-metadata-textarea { min-height: 96px; resize: vertical; padding-top: 11px; padding-bottom: 11px; }
.audio-metadata-bulk-options {
    margin: 14px 0;
    padding: 13px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: var(--primary-soft);
}
.audio-metadata-bulk-options[hidden] { display: none; }
.audio-metadata-format-note { margin-top: 12px; }
.audio-metadata-footer { justify-content: space-between; gap: 12px; }

@media (max-width: 720px) {
    .audio-metadata-form-grid { grid-template-columns: 1fr; }
    .audio-metadata-field-wide { grid-column: auto; }
    .audio-metadata-footer { align-items: stretch; flex-direction: column; }
    .audio-metadata-footer > .editor-reset-button { width: 100%; }
    .audio-list-header-actions { width: 100%; justify-content: space-between; }
}

/* SOFON_AUDIO_BATCH_PHASE4E – pořadí, spojení a ZIP export */
.audio-order-controls {
    display: inline-flex;
    gap: 5px;
    padding: 3px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface-soft);
}

.audio-order-button {
    display: grid;
    width: 31px;
    height: 31px;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 8px;
    color: var(--primary);
    background: transparent;
    font-size: 1rem;
    font-weight: 900;
    transition: background .18s ease, transform .18s ease, opacity .18s ease;
}

.audio-order-button:hover:not(:disabled) {
    transform: translateY(-1px);
    background: var(--primary-soft);
}

.audio-order-button:disabled {
    opacity: .28;
    cursor: not-allowed;
}

.audio-join-modal {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}

.audio-join-order-note {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--primary-soft);
}

.audio-join-order-note strong {
    flex: 0 0 auto;
    color: var(--primary);
    font-size: .78rem;
}

.audio-join-order-note span {
    color: var(--text-soft);
    font-size: .76rem;
}

.audio-join-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.audio-join-metadata-section {
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.audio-download-result-copy {
    display: flex;
    min-width: 0;
    flex: 1 1 auto;
    flex-direction: column;
    gap: 2px;
}

.audio-download-result-copy strong {
    color: var(--heading);
}

.audio-download-result-copy span {
    color: var(--text-soft);
    font-size: .76rem;
}

#audio-form-message.is-success {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.audio-list-header-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
}

@media (max-width: 760px) {
    .audio-join-grid {
        grid-template-columns: 1fr;
    }

    .audio-metadata-field-wide {
        grid-column: auto;
    }

    #audio-form-message.is-success {
        align-items: stretch;
        flex-direction: column;
    }

    #audio-form-message.is-success .primary-button {
        width: 100%;
    }

    .audio-order-controls {
        order: -1;
    }
}


/* SOFON_AUDIO_ADVANCED_PHASE4F */
.audio-eq-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 12px 0 14px;
}
.audio-eq-grid label {
    display: grid;
    gap: 5px;
    min-width: 0;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-strong);
}
.audio-eq-grid label > span,
.audio-silence-settings label > span {
    color: var(--text);
    font-size: .69rem;
    font-weight: 800;
}
.audio-eq-grid output {
    color: var(--primary);
    font-size: .68rem;
    font-weight: 850;
    text-align: right;
}
.audio-advanced-check-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    margin-top: 10px;
}
.audio-advanced-check-grid .audio-editor-check {
    margin: 0;
    min-height: 64px;
}
.audio-silence-settings {
    margin-top: 10px;
    padding: 10px;
    border: 1px dashed var(--border-strong);
    border-radius: 12px;
    background: var(--surface-soft);
}
.audio-silence-settings[hidden] { display: none; }
.audio-bulk-advanced { margin-top: 14px; }
@media (max-width: 760px) {
    .audio-eq-grid,
    .audio-advanced-check-grid { grid-template-columns: 1fr; }
}


/* SOFON_FINAL_PHASE5 */
/* SOFON_AUDIO_WORKFLOW_PHASE4G */
/* SOFON_UX_PHASE5C */
/* SOFON_HELP_PHASE5D */

.help-overview {
    margin-bottom: 18px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 15px;
    color: var(--text-soft);
    background: var(--surface-soft);
    font-size: .82rem;
    line-height: 1.6;
}
.help-overview p { margin: 0; }
.help-overview strong { color: var(--heading); }
.help-topic-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}
.help-topic-card {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 13px;
    align-items: start;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 17px;
    background: var(--surface-strong);
}
.help-topic-icon {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(145deg, var(--cyan), var(--primary) 55%, var(--purple));
    font-size: 1rem;
    font-weight: 900;
}
.help-topic-card h3 {
    margin: 3px 0 10px;
    color: var(--heading);
    font-size: .96rem;
    font-weight: 850;
}
.help-topic-list {
    display: grid;
    gap: 7px;
    margin: 0;
    padding-left: 18px;
    color: var(--text-soft);
    font-size: .76rem;
    line-height: 1.52;
}
.help-topic-list strong { color: var(--text); }

.audio-operation-progress {
    display: grid;
    gap: 7px;
    margin: -4px 0 15px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-soft);
}
.audio-operation-progress[hidden] { display: none; }
.audio-operation-progress-track {
    width: 100%;
    height: 7px;
    overflow: hidden;
    border-radius: 999px;
    background: color-mix(in srgb, var(--primary) 10%, var(--surface-strong));
}
.audio-operation-progress-track span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--cyan), var(--primary), var(--purple));
    transition: width .24s ease;
}
.audio-operation-progress small {
    color: var(--text-soft);
    font-size: .69rem;
    font-weight: 750;
}

.audio-workflow-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}
.audio-workflow-badge {
    display: inline-flex;
    align-items: center;
    min-height: 23px;
    padding: 3px 7px;
    border: 1px solid color-mix(in srgb, var(--success) 28%, var(--border));
    border-radius: 999px;
    color: var(--success);
    background: color-mix(in srgb, var(--success) 8%, transparent);
    font-size: .61rem;
    font-weight: 820;
}
.audio-workflow-badge.is-metadata { color: var(--primary); border-color: color-mix(in srgb, var(--primary) 28%, var(--border)); background: var(--primary-soft); }
.audio-workflow-badge.is-artwork { color: var(--purple); border-color: color-mix(in srgb, var(--purple) 28%, var(--border)); background: color-mix(in srgb, var(--purple) 8%, transparent); }
.audio-workflow-badge.is-renamed { color: var(--text); border-color: var(--border-strong); background: var(--surface-soft); }

.audio-item-actions {
    display: grid;
    min-width: 226px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
}
.audio-item-actions .audio-order-controls {
    grid-column: 1 / -1;
    justify-self: end;
}
.audio-item-actions > button,
.audio-item-actions .audio-remove {
    width: 100%;
    min-height: 34px;
    height: auto;
    margin: 0;
}
.audio-download-button,
.audio-rename-button,
.audio-restore-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 9px;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    background: var(--surface-soft);
    font-size: .67rem;
    font-weight: 800;
    white-space: nowrap;
    transition: transform .18s ease, border-color .18s ease, background .18s ease, opacity .18s ease;
}
.audio-download-button:hover:not(:disabled),
.audio-rename-button:hover:not(:disabled),
.audio-restore-button:hover:not(:disabled) {
    transform: translateY(-1px);
    border-color: var(--primary);
    background: var(--primary-soft);
}
.audio-restore-button { color: var(--text-soft); }
.audio-download-button:disabled,
.audio-rename-button:disabled,
.audio-restore-button:disabled { opacity: .4; cursor: not-allowed; }

.audio-rename-modal {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    color: var(--text);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}
.audio-rename-input-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
}
.audio-rename-input-row strong {
    min-width: 48px;
    padding: 10px 9px;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-soft);
    background: var(--surface-soft);
    font-size: .75rem;
    text-align: center;
}
.audio-rename-note {
    margin: 11px 0 0;
    color: var(--text-soft);
    font-size: .7rem;
    line-height: 1.5;
}
.audio-rename-footer { justify-content: space-between; }

/* Dlouhé názvy se na menších obrazovkách zalomí místo horizontálního přetečení. */
.audio-file-heading strong {
    display: -webkit-box;
    overflow: hidden;
    white-space: normal;
    overflow-wrap: anywhere;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

@media (max-width: 1080px) {
    .audio-file-item {
        grid-template-columns: 64px minmax(0, 1fr);
    }
    .audio-item-actions {
        grid-column: 1 / -1;
        min-width: 0;
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    .audio-item-actions .audio-order-controls {
        grid-column: auto;
        justify-self: stretch;
        justify-content: center;
    }
}

@media (max-width: 760px) {
    .help-topic-grid { grid-template-columns: 1fr; }
    .help-modal .modal-header,
    .help-modal .modal-footer,
    .help-modal .modal-body { padding-inline: 16px; }

    .audio-list-header-actions {
        display: grid;
        width: 100%;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }
    .audio-list-header-actions > * { width: 100%; }
    .audio-list-header-actions .text-button { min-height: 38px; }

    .audio-item-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .audio-item-actions .audio-order-controls { grid-column: 1 / -1; }
    .audio-item-actions > button { min-height: 40px; }

    .modal-dialog.modal-dialog-scrollable {
        max-height: calc(100dvh - 20px);
        margin: 10px;
    }
    .modal-dialog-scrollable .modal-content { max-height: calc(100dvh - 20px); }
}

@media (max-width: 520px) {
    .help-topic-card {
        grid-template-columns: 34px minmax(0, 1fr);
        gap: 10px;
        padding: 13px;
    }
    .help-topic-icon { width: 34px; height: 34px; border-radius: 10px; }
    .audio-file-item {
        grid-template-columns: 48px minmax(0, 1fr);
        padding: 11px;
    }
    .audio-file-heading { flex-direction: column; gap: 6px; }
    .audio-status-badge { align-self: flex-start; }
    .audio-list-header-actions { grid-template-columns: 1fr; }
    .audio-item-actions { grid-template-columns: 1fr 1fr; }
    .audio-item-actions .audio-order-controls { grid-column: 1 / -1; }
    .audio-rename-footer { align-items: stretch; flex-direction: column; }
    .audio-rename-footer > * { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    .audio-operation-progress-track span { transition: none; }
}


/* SOFON_YOUTUBE_PHASE41 */
.youtube-converter-panel { min-width: 0; }
.youtube-converter-heading { margin-top: 0; }
.youtube-url-card,
.youtube-output-card,
.youtube-ready-card,
.youtube-preview-card,
.youtube-legal-note {
    border: 1px solid var(--border);
    background: var(--surface-strong);
}
.youtube-url-card {
    display: grid;
    gap: 10px;
    padding: 20px;
    border-radius: 20px;
}
.youtube-url-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: stretch;
}
.youtube-url-input { min-height: 48px; }
.youtube-url-card small,
.youtube-option-panel small,
.youtube-ready-card small,
.youtube-legal-note span { color: var(--text-soft); font-size: .74rem; line-height: 1.55; }
.youtube-loading {
    display: flex;
    align-items: center;
    gap: 11px;
    margin-top: 16px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text-soft);
    background: var(--surface-soft);
    font-size: .82rem;
}
.youtube-loading[hidden] { display: none !important; }
.youtube-spinner {
    width: 20px;
    height: 20px;
    flex: 0 0 auto;
    border: 2px solid rgba(102, 109, 244, .22);
    border-top-color: var(--primary);
    border-radius: 999px;
    animation: youtube-spin .8s linear infinite;
}
@keyframes youtube-spin { to { transform: rotate(360deg); } }
.youtube-result { display: grid; gap: 18px; margin-top: 20px; }
.youtube-preview-card {
    display: grid;
    grid-template-columns: minmax(180px, 260px) minmax(0, 1fr);
    gap: 18px;
    align-items: center;
    padding: 16px;
    border-radius: 20px;
}
.youtube-thumbnail-wrap {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 15px;
    background: var(--surface-soft);
}
.youtube-thumbnail-wrap img { width: 100%; height: 100%; object-fit: cover; }
.youtube-preview-copy { min-width: 0; }
.youtube-preview-copy h3 { margin: 3px 0 7px; overflow-wrap: anywhere; }
.youtube-preview-copy p { margin: 0; color: var(--text-soft); font-size: .8rem; }
.youtube-output-card { display: grid; gap: 18px; padding: 20px; border-radius: 20px; }
.youtube-type-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    padding: 5px;
    border: 1px solid var(--border);
    border-radius: 15px;
    background: var(--surface-soft);
}
.youtube-type-button {
    min-height: 42px;
    border: 0;
    border-radius: 11px;
    color: var(--text-soft);
    background: transparent;
    font-size: .78rem;
    font-weight: 850;
}
.youtube-type-button.is-active {
    color: #fff;
    background: linear-gradient(115deg, var(--cyan), var(--primary) 48%, var(--purple));
    box-shadow: 0 8px 20px rgba(89, 102, 242, .2);
}
.youtube-option-panel { display: grid; gap: 8px; }
.youtube-option-grid { display: grid; grid-template-columns: 1.25fr 1fr .8fr; gap: 12px; }
.youtube-option-panel[hidden] { display: none !important; }
.youtube-download-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.youtube-ready-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px 18px;
    align-items: center;
    margin-top: 20px;
    padding: 20px;
    border-radius: 20px;
    border-color: rgba(54, 187, 135, .34);
    background: linear-gradient(145deg, var(--surface-strong), rgba(54, 187, 135, .07));
}
.youtube-ready-card h3 { margin: 3px 0 5px; overflow-wrap: anywhere; }
.youtube-ready-card p { margin: 0; color: var(--text-soft); font-size: .8rem; }
.youtube-ready-card small { grid-column: 1 / -1; }
.youtube-download-link { text-decoration: none; }
.youtube-download-link.is-used { pointer-events: none; opacity: .55; }
.youtube-legal-note {
    display: flex;
    gap: 8px 14px;
    align-items: baseline;
    margin-top: 18px;
    padding: 13px 15px;
    border-radius: 14px;
}
.youtube-legal-note strong { font-size: .76rem; }

@media (max-width: 760px) {
    .media-mode-switch { width: 100%; }
    .media-mode-button { min-height: 48px; padding: 7px 8px; line-height: 1.2; white-space: normal; }
    .youtube-url-row { grid-template-columns: 1fr; }
    .youtube-url-row .primary-button { width: 100%; }
    .youtube-preview-card { grid-template-columns: 1fr; }
    .youtube-thumbnail-wrap { width: 100%; }
    .youtube-option-grid { grid-template-columns: 1fr; }
    .youtube-ready-card { grid-template-columns: 1fr; }
    .youtube-download-link { width: 100%; justify-content: center; }
    .youtube-legal-note { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
    .media-mode-switch { grid-template-columns: 1fr; }
    .media-mode-button { width: 100%; }
    .youtube-url-card, .youtube-output-card, .youtube-ready-card { padding: 15px; }
}

@media (prefers-reduced-motion: reduce) {
    .youtube-spinner { animation-duration: 1.8s; }
}