:root {
    color-scheme: light;
    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", sans-serif;
    --bg: #f4f6fa;
    --bg-2: #edf1f7;
    --panel: rgba(255, 255, 255, 0.78);
    --panel-solid: #ffffff;
    --panel-strong: rgba(255, 255, 255, 0.92);
    --text: #121926;
    --muted: #627184;
    --muted-strong: #475468;
    --line: rgba(15, 23, 42, 0.08);
    --line-strong: rgba(15, 23, 42, 0.14);
    --accent: #1273ea;
    --accent-soft: rgba(18, 115, 234, 0.12);
    --accent-strong: #0f5dc0;
    --success: #147a4b;
    --danger: #c53d3d;
    --danger-soft: rgba(197, 61, 61, 0.09);
    --shadow: 0 28px 64px rgba(15, 23, 42, 0.08);
    --shadow-soft: 0 16px 34px rgba(15, 23, 42, 0.06);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 14px;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(158, 201, 255, 0.34), transparent 32%),
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.84), transparent 30%),
        linear-gradient(180deg, #f8fbff 0%, #f3f6fb 48%, #edf1f7 100%);
}

body.modal-open {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img,
video {
    display: block;
    max-width: 100%;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
}

input,
select {
    width: 100%;
    padding: 0.92rem 1rem;
    border: 1px solid var(--line-strong);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
    transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

input:focus,
select:focus {
    outline: none;
    border-color: rgba(18, 115, 234, 0.42);
    box-shadow: 0 0 0 4px rgba(18, 115, 234, 0.12);
}

.hidden {
    display: none !important;
}

.app-topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    border-bottom: 1px solid rgba(255, 255, 255, 0.65);
    background: rgba(247, 250, 255, 0.72);
    backdrop-filter: blur(24px);
}

.topbar-inner,
.page-shell {
    width: min(1320px, calc(100% - 32px));
    margin: 0 auto;
}

.topbar-inner {
 min-height: 78px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 18px;
 flex-wrap: wrap;
}

.topbar-row {
 display: flex;
 align-items: center;
 gap: 18px;
}

.topbar-toggle {
 display: none;
 width: 44px;
 height: 44px;
 padding: 0;
 align-items: center;
 justify-content: center;
 border: 1px solid var(--line);
 border-radius: 16px;
 color: var(--text);
 background: rgba(255, 255, 255, 0.76);
 box-shadow: var(--shadow-soft);
}

.topbar-toggle__bars {
 display: grid;
 gap: 5px;
}

.topbar-toggle__bars span {
 display: block;
 width: 18px;
 height: 1.5px;
 border-radius: 999px;
 background: currentColor;
 transition: transform 180ms ease, opacity 180ms ease;
}

.topbar-toggle[aria-expanded="true"] .topbar-toggle__bars span:nth-child(1) {
 transform: translateY(6.5px) rotate(45deg);
}

.topbar-toggle[aria-expanded="true"] .topbar-toggle__bars span:nth-child(2) {
 opacity: 0;
}

.topbar-toggle[aria-expanded="true"] .topbar-toggle__bars span:nth-child(3) {
 transform: translateY(-6.5px) rotate(-45deg);
}

.topbar-menu {
 display: flex;
 align-items: center;
 gap: 18px;
 margin-left: auto;
 min-width: 0;
}

.brand {
    display: inline-grid;
    align-content: center;
}

.brand-copy {
    display: grid;
    gap: 4px;
}

.brand-copy strong {
    font-size: 1.02rem;
    font-weight: 650;
    letter-spacing: 0.045em;
    line-height: 1.05;
}

.brand-copy span {
    color: var(--muted);
    font-size: 0.9rem;
    letter-spacing: 0.012em;
}

.brand-mark {
    width: 38px;
    height: 38px;
    display: inline-block;
    flex: 0 0 auto;
    border-radius: 14px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.46)),
        linear-gradient(135deg, #7dc4ff, #2a77ff 58%, #7cc2ff);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.75),
        0 12px 24px rgba(27, 94, 181, 0.2);
}

.brand-mark--large {
    width: 56px;
    height: 56px;
    border-radius: 20px;
}

.topbar-nav {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.64);
    backdrop-filter: blur(18px);
}

.topbar-nav a {
    padding: 0.72rem 1rem;
    border-radius: 999px;
    color: var(--muted-strong);
    transition: background-color 140ms ease, color 140ms ease;
}

.topbar-nav a.is-active {
    background: var(--panel-solid);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.07);
    color: var(--text);
}

.topbar-actions {
 display: inline-flex;
 align-items: center;
 gap: 12px;
}

.topbar-actions form {
 margin: 0;
}

.user-chip {
    display: grid;
    gap: 2px;
    padding: 0.62rem 0.9rem;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.55);
}

.user-chip__name {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.user-chip__role {
    color: var(--muted);
    font-size: 0.82rem;
    text-transform: capitalize;
}

.page-shell {
    margin-top: 30px;
    margin-bottom: 56px;
}

.impersonation-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    padding: 0.92rem 1rem;
    border: 1px solid rgba(18, 115, 234, 0.14);
    border-radius: 20px;
    background: rgba(18, 115, 234, 0.08);
    box-shadow: var(--shadow-soft);
}

.impersonation-banner__copy {
    display: grid;
    gap: 4px;
}

.impersonation-banner__copy strong {
    letter-spacing: -0.02em;
}

.impersonation-banner__copy span {
    color: var(--muted-strong);
    font-size: 0.92rem;
}

.page-shell--guest {
    width: min(560px, calc(100% - 24px));
    min-height: calc(100vh - 24px);
    display: grid;
    align-items: center;
    margin-top: 0;
}

.surface-card {
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: var(--radius-xl);
    background: var(--panel);
    box-shadow: var(--shadow);
    backdrop-filter: blur(24px);
}

.login-card,
.error-card {
    padding: 34px;
}

.login-card__header,
.share-shell__header,
.section-header {
    display: flex;
    align-items: center;
    gap: 18px;
}

.login-card__header {
    margin-bottom: 28px;
}

h1,
h2,
h3,
p {
    margin: 0;
}

h1 {
    font-size: clamp(2.2rem, 4vw, 3.6rem);
    line-height: 0.98;
    letter-spacing: -0.035em;
    font-weight: 650;
    text-wrap: balance;
}

h2 {
    font-size: 1.25rem;
    line-height: 1.14;
    letter-spacing: -0.02em;
    font-weight: 620;
    text-wrap: balance;
}

h3 {
    font-size: 1rem;
    line-height: 1.24;
    letter-spacing: -0.01em;
    font-weight: 600;
    text-wrap: balance;
}

p {
    color: var(--muted);
    line-height: 1.6;
}

.section-header {
    justify-content: space-between;
    margin-bottom: 24px;
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.muted-pill,
.status-pill,
.upload-cap,
.share-state,
.badge,
.detail-kicker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.42rem 0.72rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.66);
    font-size: 0.82rem;
    color: var(--muted-strong);
    letter-spacing: -0.01em;
}

.status-pill--active,
.share-state--public {
    background: rgba(20, 122, 75, 0.1);
    color: var(--success);
    border-color: rgba(20, 122, 75, 0.18);
}

.detail-kicker {
    margin-bottom: 12px;
    color: var(--accent-strong);
    background: var(--accent-soft);
    border-color: rgba(18, 115, 234, 0.14);
}

.form-stack {
    display: grid;
    gap: 16px;
}

.field {
    display: grid;
    gap: 8px;
}

.field span {
    font-size: 0.92rem;
    color: var(--muted-strong);
}

.primary-button,
.secondary-button,
.ghost-button,
.icon-button {
    border: 0;
    transition: transform 140ms ease, box-shadow 140ms ease, background-color 140ms ease, color 140ms ease;
}

.primary-button,
.secondary-button,
.ghost-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 0.82rem 1.18rem;
    border-radius: 16px;
    letter-spacing: -0.02em;
}

.primary-button {
    color: #ffffff;
    background: linear-gradient(180deg, #1a84ff, #126cdc);
    box-shadow: 0 16px 28px rgba(18, 108, 220, 0.22);
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.icon-button:hover {
    transform: translateY(-1px);
}

.primary-button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.primary-button--compact {
    min-height: 42px;
    padding-inline: 1rem;
}

.secondary-button {
    color: var(--text);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-soft);
}

.secondary-button--tight,
.ghost-button {
    min-height: 40px;
    padding-inline: 0.96rem;
}

.ghost-button {
    color: var(--danger);
    background: var(--danger-soft);
}

.icon-button {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    color: var(--muted-strong);
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid var(--line);
}

.icon-button svg,
.dropzone__icon svg,
.video-placeholder svg,
.media-card__play-badge svg {
    width: 20px;
    height: 20px;
}

.icon-button--floating {
    justify-self: end;
}

.flash,
.inline-message,
.setup-note,
.upload-result {
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.68);
    box-shadow: var(--shadow-soft);
}

.flash {
    margin-bottom: 20px;
    padding: 0.92rem 1rem;
}

.flash--success {
    color: var(--success);
}

.flash--error {
    color: var(--danger);
}

.inline-message {
    padding: 0.9rem 1rem;
    margin-bottom: 16px;
    color: var(--muted-strong);
}

.inline-message--error {
    color: var(--danger);
    background: rgba(255, 255, 255, 0.85);
}

.setup-note {
    display: grid;
    gap: 10px;
    padding: 1rem 1.1rem;
    margin-bottom: 18px;
}

.setup-note code {
    display: inline-block;
    padding: 0.75rem 0.9rem;
    overflow-x: auto;
    border-radius: 14px;
    background: rgba(18, 25, 38, 0.05);
    color: var(--text);
}

.library-app {
    display: grid;
    gap: 22px;
}

.library-hero {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
}

.library-hero__copy {
    max-width: 760px;
    display: grid;
    gap: 16px;
}

.library-hero__copy p {
    max-width: 620px;
    font-size: 1.02rem;
}

.library-hero__actions {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.upload-workspace {
    display: grid;
    gap: 24px;
}

.upload-workspace__hero {
    align-items: end;
}

.upload-panel,
.upload-workspace__panel {
    display: grid;
    gap: 20px;
    padding: 26px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.72)),
        radial-gradient(circle at top right, rgba(18, 115, 234, 0.14), transparent 30%);
}

.upload-workspace__panel {
    gap: 22px;
}

.upload-panel__copy {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 16px;
}

.upload-panel__copy div {
    display: grid;
    gap: 8px;
}

.dropzone {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    width: 100%;
    padding: 24px 26px;
    border: 1px dashed rgba(18, 115, 234, 0.24);
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(248, 251, 255, 0.88), rgba(242, 246, 253, 0.92));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.dropzone.is-dragging {
    transform: translateY(-2px);
    border-style: solid;
    border-color: rgba(18, 115, 234, 0.38);
    box-shadow: 0 18px 36px rgba(18, 108, 220, 0.12);
}

.dropzone--tall {
    min-height: 176px;
}

.dropzone.is-uploading,
.dropzone:disabled {
    cursor: progress;
    border-style: solid;
    border-color: rgba(18, 115, 234, 0.26);
    background: linear-gradient(180deg, rgba(244, 248, 255, 0.96), rgba(236, 243, 252, 0.96));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.82);
}

.dropzone__icon {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.82);
    color: var(--accent-strong);
    box-shadow: 0 10px 24px rgba(18, 108, 220, 0.14);
}

.dropzone__copy {
    flex: 1 1 auto;
    text-align: left;
    display: grid;
    gap: 6px;
}

.dropzone__copy strong {
    letter-spacing: -0.01em;
    font-size: 1rem;
}

.dropzone__copy span,
.dropzone__action,
.library-status {
    color: var(--muted);
}

.dropzone__action {
    font-weight: 600;
}

.library-controls {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
}

.library-status {
 min-height: 1.3rem;
 text-align: right;
}

.library-footer {
 display: grid;
 gap: 14px;
 justify-items: center;
}

.segmented-control {
    display: inline-flex;
    align-items: center;
    padding: 6px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(16px);
}

.segmented-control button {
    border: 0;
    padding: 0.72rem 1rem;
    border-radius: 999px;
    background: transparent;
    color: var(--muted-strong);
}

.segmented-control button.is-active {
    background: #ffffff;
    color: var(--text);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}

.upload-summary-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.upload-summary-card {
    display: grid;
    gap: 10px;
    padding: 20px 22px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.8);
}

.upload-summary-card span {
    color: var(--muted);
    font-size: 0.88rem;
}

.upload-summary-card strong {
    font-size: clamp(1.35rem, 3vw, 2rem);
    line-height: 1;
    letter-spacing: -0.05em;
}

.upload-feedback {
    display: grid;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.72);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.upload-feedback__header {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 16px;
}

.upload-feedback__copy {
    display: grid;
    gap: 6px;
}

.upload-feedback__copy p {
    font-size: 0.92rem;
}

.upload-progress-stack {
    display: grid;
    gap: 12px;
}

.upload-progress-group {
    display: grid;
    gap: 8px;
}

.upload-progress-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted-strong);
    font-size: 0.88rem;
}

.upload-progress {
    position: relative;
    height: 12px;
    overflow: hidden;
    border-radius: 999px;
    border: 1px solid rgba(18, 115, 234, 0.12);
    background: rgba(18, 115, 234, 0.08);
}

.upload-progress span {
    display: block;
    height: 100%;
    width: 0;
    border-radius: inherit;
    background: linear-gradient(90deg, #70b8ff 0%, #1273ea 52%, #0d5fc6 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28);
    transition: width 160ms ease;
}

.upload-progress--current span {
    background: linear-gradient(90deg, #9fd2ff 0%, #48a8ff 44%, #1273ea 100%);
}

.upload-progress.is-indeterminate span {
    width: 34%;
    animation: upload-progress-slide 1.15s ease-in-out infinite;
}

.upload-status-line {
    color: var(--muted);
    font-size: 0.92rem;
}

.upload-results {
    display: grid;
    gap: 10px;
}

.upload-empty {
    padding: 1rem 0.2rem 0.1rem;
    color: var(--muted);
}

.upload-result {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
    padding: 0.92rem 1rem;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.8);
}

.upload-result__copy {
    min-width: 0;
    display: grid;
    gap: 4px;
}

.upload-result__copy strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.upload-result__copy span {
    font-size: 0.9rem;
    color: var(--muted);
}

.upload-result__meta {
    display: grid;
    justify-items: end;
    gap: 4px;
    text-align: right;
}

.upload-result__status {
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.upload-result__size {
    font-size: 0.78rem;
    color: var(--muted);
}

.upload-result[data-status="queued"] .upload-result__status,
.upload-result[data-status="uploading"] .upload-result__status,
.upload-result[data-status="processing"] .upload-result__status {
    color: var(--accent-strong);
}

.upload-result[data-status="uploaded"] .upload-result__status {
    color: var(--success);
}

.upload-result[data-status="duplicate"] .upload-result__status {
    color: var(--accent-strong);
}

.upload-result[data-status="unsupported"] .upload-result__status,
.upload-result[data-status="error"] .upload-result__status {
    color: var(--danger);
}

@keyframes upload-progress-slide {
 0% {
 transform: translateX(-120%);
 }

    50% {
        transform: translateX(110%);
    }

 100% {
 transform: translateX(250%);
 }
}

@keyframes library-shimmer {
 0% {
 transform: translateX(-120%);
 }

 100% {
 transform: translateX(120%);
 }
}

.media-grid {
 display: grid;
 gap: 18px;
 grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.media-card {
 position: relative;
 overflow: hidden;
 border-radius: var(--radius-lg);
 background: rgba(255, 255, 255, 0.76);
 border: 1px solid rgba(255, 255, 255, 0.84);
 box-shadow: var(--shadow-soft);
 backdrop-filter: blur(18px);
}

.media-card--placeholder {
 pointer-events: none;
}

.media-card--pending .media-card__media::after,
.media-card__media--placeholder::after {
 content: "";
 position: absolute;
 inset: 0;
 background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.58), transparent);
 transform: translateX(-120%);
 animation: library-shimmer 1.4s ease-in-out infinite;
}

.media-card__preview {
 width: 100%;
 border: 0;
 padding: 0;
    background: transparent;
    text-align: left;
}

.media-card__media {
 position: relative;
 aspect-ratio: 1 / 0.9;
 overflow: hidden;
 background: linear-gradient(180deg, #eef3f9, #dde6f1);
}

.media-card__media--placeholder {
 background: linear-gradient(180deg, rgba(230, 238, 248, 0.92), rgba(216, 228, 241, 0.96));
}

.media-card__media img,
.media-card__image {
 width: 100%;
 height: 100%;
 object-fit: cover;
}

.media-card__image {
 opacity: 0;
 transition: opacity 180ms ease;
}

.media-card__image.is-loaded {
 opacity: 1;
}

.media-card__share {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    color: #ffffff;
    background: rgba(12, 18, 30, 0.28);
    border-color: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(16px);
}

.media-card__share--active {
    color: #ffffff;
    background: rgba(18, 115, 234, 0.72);
    border-color: rgba(255, 255, 255, 0.24);
    box-shadow: 0 12px 28px rgba(18, 108, 220, 0.28);
}

.media-card__play-badge {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: grid;
    place-items: center;
    color: #ffffff;
    pointer-events: none;
}

.media-card__play-badge::before {
    content: "";
    position: absolute;
    width: 58px;
    height: 58px;
    border-radius: 999px;
    background: rgba(10, 16, 26, 0.42);
    border: 1px solid rgba(255, 255, 255, 0.26);
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.24);
    backdrop-filter: blur(18px);
}

.media-card__play-badge svg {
    position: relative;
    z-index: 1;
    margin-left: 2px;
    filter: drop-shadow(0 1px 8px rgba(0, 0, 0, 0.24));
}

.video-placeholder {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
    gap: 12px;
    background:
        radial-gradient(circle at top left, rgba(130, 182, 255, 0.3), transparent 30%),
        linear-gradient(180deg, #dde8f5, #c8d7ea);
    color: var(--muted-strong);
}

.video-placeholder__icon {
    width: 64px;
    height: 64px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.08);
}

.empty-state,
.library-loading,
.library-end {
 text-align: center;
 padding: 32px 20px;
 color: var(--muted);
}

.empty-state {
    display: grid;
    gap: 16px;
    justify-items: center;
}

.empty-state h2 {
 margin-bottom: 10px;
}

.library-loading,
.library-end {
 padding: 0.92rem 1.2rem;
 border: 1px solid var(--line);
 border-radius: 999px;
 background: rgba(255, 255, 255, 0.74);
 box-shadow: var(--shadow-soft);
}

.library-loading {
 min-width: min(320px, 100%);
}

.library-sentinel {
 width: 100%;
 height: 1px;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(240, 244, 251, 0.64);
    backdrop-filter: blur(28px);
}

.modal-card {
    width: min(1180px, 100%);
    min-height: min(80vh, 780px);
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    overflow: hidden;
    border-radius: 34px;
    border: 1px solid rgba(255, 255, 255, 0.84);
    background: rgba(255, 255, 255, 0.86);
    box-shadow: 0 44px 90px rgba(15, 23, 42, 0.14);
}

.modal-stage {
    display: grid;
    place-items: center;
    padding: 32px;
    background:
        radial-gradient(circle at top left, rgba(160, 204, 255, 0.2), transparent 26%),
        linear-gradient(180deg, #eff4fa, #e7edf5);
}

.modal-stage img,
.modal-stage .video-player {
    max-width: 100%;
    max-height: 70vh;
    border-radius: 24px;
    box-shadow: 0 20px 48px rgba(15, 23, 42, 0.12);
}

.modal-stage .video-player {
    width: min(100%, 1060px);
}

.video-player {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    background:
        radial-gradient(circle at 18% 0%, rgba(119, 169, 255, 0.24), transparent 30%),
        linear-gradient(180deg, #0f1726, #070b12);
}

.video-player.is-enhanced::before {
    content: "";
    position: absolute;
    inset: auto 0 0;
    z-index: 1;
    height: 48%;
    background: linear-gradient(180deg, transparent, rgba(6, 10, 18, 0.72));
    pointer-events: none;
}

.video-player__media {
    display: block;
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    background: #070b12;
}

.video-player.is-enhanced .video-player__media {
    cursor: pointer;
}

.video-player__center,
.video-player__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(18px);
}

.video-player__center {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 3;
    width: 76px;
    height: 76px;
    border-radius: 999px;
    transform: translate(-50%, -50%);
    box-shadow: 0 24px 54px rgba(0, 0, 0, 0.28);
    transition: opacity 180ms ease, transform 180ms ease, background 180ms ease;
}

.video-player__center svg {
    width: 30px;
    height: 30px;
    margin-left: 3px;
}

.video-player__center:hover,
.video-player__button:hover {
    background: rgba(255, 255, 255, 0.24);
}

.video-player.is-playing .video-player__center {
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(0.92);
}

.video-player__controls {
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 14px;
    z-index: 4;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 22px;
    background: rgba(10, 16, 26, 0.54);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(22px);
}

.video-player__button {
    width: 38px;
    height: 38px;
    border-radius: 14px;
}

.video-player__button svg {
    width: 19px;
    height: 19px;
}

.video-player__icon--pause,
.video-player__icon--muted,
.video-player.is-playing .video-player__icon--play,
.video-player.is-muted .video-player__icon--volume {
    display: none;
}

.video-player.is-playing .video-player__icon--pause,
.video-player.is-muted .video-player__icon--muted {
    display: block;
}

.video-player__timeline-wrap {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.video-player__time {
    min-width: 40px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.78rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.01em;
    text-align: center;
}

.video-player__timeline {
    --video-progress: 0%;
    width: 100%;
    min-width: 0;
    height: 6px;
    margin: 0;
    border-radius: 999px;
    appearance: none;
    background: linear-gradient(90deg, #ffffff var(--video-progress), rgba(255, 255, 255, 0.24) var(--video-progress));
    outline: none;
}

.video-player__timeline::-webkit-slider-thumb {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.88);
    border-radius: 999px;
    appearance: none;
    background: #ffffff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.32);
}

.video-player__timeline::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.88);
    border-radius: 999px;
    background: #ffffff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.32);
}

.video-player.is-loading::after {
    content: "";
    position: absolute;
    right: 24px;
    top: 24px;
    z-index: 5;
    width: 22px;
    height: 22px;
    border: 2px solid rgba(255, 255, 255, 0.34);
    border-top-color: #ffffff;
    border-radius: 999px;
    animation: video-spin 900ms linear infinite;
}

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

.modal-sidebar {
    display: grid;
    align-content: start;
    gap: 24px;
    padding: 28px;
    border-left: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.76);
}

.modal-section {
    display: grid;
    gap: 12px;
}

.detail-copy {
    color: var(--muted);
}

.detail-list {
    display: grid;
    gap: 14px;
}

.detail-list div {
    display: grid;
    gap: 5px;
    padding: 0.95rem 1rem;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.7);
}

.detail-list dt {
    color: var(--muted);
    font-size: 0.84rem;
}

.detail-list dd {
    margin: 0;
    letter-spacing: -0.02em;
}

.share-field {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
}

.share-field input {
    min-width: 0;
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.split-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
}

.admin-card,
.table-card {
    padding: 24px;
}

.table-wrap {
    overflow-x: auto;
}

.users-table {
    width: 100%;
    border-collapse: collapse;
}

.users-table th,
.users-table td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
}

.users-table th {
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 600;
}

.table-primary {
    font-weight: 600;
    letter-spacing: -0.02em;
}

.table-actions {
    white-space: nowrap;
}

.table-action-group {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.table-action-group form {
    margin: 0;
}

.cleanup-summary-grid .upload-summary-card {
    gap: 8px;
}

.cleanup-summary-grid .upload-summary-card small {
    color: var(--muted);
    font-size: 0.82rem;
}

.cleanup-summary-grid {
    margin-bottom: 24px;
}

.cleanup-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
}

.cleanup-card {
    display: grid;
    gap: 18px;
    padding: 24px;
}

.cleanup-copy {
    margin: 0;
    color: var(--muted);
}
.cleanup-note {
    color: var(--muted);
    font-size: 0.92rem;
}

.cleanup-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.cleanup-path-list {
    display: grid;
    gap: 10px;
}

.cleanup-path-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: start;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.76);
}

.cleanup-path-row--stack {
    grid-template-columns: minmax(0, 1fr);
}

.cleanup-path-row__copy {
    min-width: 0;
    display: grid;
    gap: 5px;
}

.cleanup-path-row__copy strong {
    overflow-wrap: anywhere;
}

.cleanup-path-row__copy span,
.cleanup-path-row__meta {
    color: var(--muted);
    font-size: 0.9rem;
}

.cleanup-code {
    display: block;
    padding: 0.72rem 0.82rem;
    border-radius: 14px;
    background: rgba(18, 25, 38, 0.04);
    color: var(--muted-strong);
    font-family: "SFMono-Regular", ui-monospace, Consolas, monospace;
    font-size: 0.82rem;
    overflow-wrap: anywhere;
}

.share-shell {
    width: min(1160px, 100%);
    display: grid;
    gap: 24px;
}

.share-shell__header {
    padding: 0 6px;
}

.share-card {
    display: grid;
    gap: 0;
    overflow: hidden;
    grid-template-columns: minmax(0, 1fr) 320px;
}

.share-card__stage {
    padding: 30px;
    background:
        radial-gradient(circle at top left, rgba(160, 204, 255, 0.2), transparent 26%),
        linear-gradient(180deg, #eff4fa, #e7edf5);
}

.share-card__stage img,
.share-card__stage .video-player {
    width: 100%;
    border-radius: 24px;
    object-fit: contain;
}

.share-card__details {
    display: grid;
    align-content: start;
    gap: 20px;
    padding: 28px;
    border-left: 1px solid var(--line);
}

.error-card {
    display: grid;
    gap: 16px;
    justify-items: start;
}

.toast {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 95;
    min-width: 260px;
    max-width: min(420px, calc(100% - 32px));
    padding: 0.9rem 1rem;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    background: rgba(18, 25, 38, 0.9);
    color: #ffffff;
    box-shadow: 0 24px 42px rgba(15, 23, 42, 0.22);
}

@media (max-width: 1080px) {
 .topbar-inner,
 .page-shell {
 width: min(100% - 28px, 1320px);
 }

 .topbar-inner {
 min-height: auto;
 padding: 12px 0 14px;
 align-items: stretch;
 gap: 14px;
 }

 .topbar-row {
 width: 100%;
 justify-content: space-between;
 }

 .topbar-toggle {
 display: inline-flex;
 }

 .topbar-menu {
 display: none;
 width: 100%;
 margin-left: 0;
 padding: 14px;
 border: 1px solid var(--line);
 border-radius: 24px;
 background: rgba(255, 255, 255, 0.72);
 box-shadow: var(--shadow-soft);
 backdrop-filter: blur(20px);
 }

 .topbar-menu.is-open {
 display: grid;
 gap: 14px;
 }

 .topbar-nav,
 .topbar-actions {
 width: 100%;
 }

 .topbar-nav {
 display: grid;
 gap: 6px;
 padding: 8px;
 border-radius: 24px;
 }

 .topbar-nav a {
 text-align: center;
 }

 .topbar-actions {
 display: grid;
 grid-template-columns: minmax(0, 1fr) auto;
 align-items: center;
 }

 .modal-card,
 .share-card,
 .split-grid,
 .cleanup-grid {
        grid-template-columns: 1fr;
    }

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

    .modal-sidebar,
    .share-card__details {
        border-left: 0;
        border-top: 1px solid var(--line);
    }
    .cleanup-card {
        padding: 20px;
    }
}

@media (max-width: 760px) {
 .topbar-inner,
 .page-shell {
 width: min(100% - 20px, 1320px);
 }

 .library-hero,
 .library-controls,
 .upload-panel__copy,
 .dropzone {
 flex-direction: column;
        align-items: stretch;
    }

 .library-hero__actions,
 .action-row,
 .impersonation-banner {
 width: 100%;
 }

 .share-field {
 grid-template-columns: 1fr;
 }

 .impersonation-banner {
 display: grid;
 }

 .brand-mark {
 width: 34px;
 height: 34px;
 border-radius: 12px;
    }

    .brand-copy strong {
        font-size: 0.98rem;
    }

    .brand-copy span {
        font-size: 0.84rem;
    }

 .topbar-nav a,
 .user-chip {
 text-align: left;
 }

 .topbar-actions {
 grid-template-columns: 1fr;
 }

 .topbar-actions form,
 .topbar-actions .secondary-button {
 width: 100%;
 }

 .user-chip__name {
 overflow: hidden;
 text-overflow: ellipsis;
        white-space: nowrap;
    }

    .library-app {
        gap: 18px;
    }

    .upload-workspace {
        gap: 18px;
    }

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

    .cleanup-path-row {
        grid-template-columns: 1fr;
    }

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

    .modal,
    .modal-stage,
    .share-card__stage {
        padding: 16px;
    }

    .modal-sidebar,
    .admin-card,
    .table-card,
    .share-card__details,
    .login-card,
    .error-card,
    .upload-panel {
        padding: 20px;
    }
}

.modal-card--preview {
    width: min(1320px, 100%);
    min-height: min(84vh, 900px);
    grid-template-columns: 1fr;
    position: relative;
    background: rgba(255, 255, 255, 0.54);
    backdrop-filter: blur(28px);
}

.modal-toolbar {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.modal-toolbar__actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.modal-card--preview .icon-button {
    color: #ffffff;
    background: rgba(18, 25, 38, 0.24);
    border-color: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(18px);
}

.modal-card--preview .modal-stage {
    min-height: min(84vh, 900px);
    padding: 12px;
}

.modal-card--preview .modal-stage img,
.modal-card--preview .modal-stage .video-player {
    max-height: calc(84vh - 24px);
    border-radius: 24px;
}

.modal-card--preview .video-player__media {
    max-height: calc(84vh - 24px);
}

.details-sheet {
    position: fixed;
    inset: 0;
    z-index: 94;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
}

.details-sheet__scrim {
    background: rgba(234, 239, 247, 0.5);
    backdrop-filter: blur(12px);
}

.details-sheet__panel {
    height: 100%;
    overflow-y: auto;
    padding: 26px;
    border-left: 1px solid rgba(255, 255, 255, 0.8);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.8)),
        radial-gradient(circle at top left, rgba(160, 204, 255, 0.18), transparent 26%);
    box-shadow: -24px 0 60px rgba(15, 23, 42, 0.1);
    backdrop-filter: blur(28px);
}

.details-sheet__header {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 26px;
}

.details-sheet__header > div {
    display: grid;
    gap: 10px;
}

.details-sheet__body {
    display: grid;
    gap: 24px;
}

.details-sheet__identity {
    display: grid;
    gap: 8px;
}

.details-sheet__identity h2 {
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    line-height: 1.02;
}

.details-sheet__meta {
    color: var(--muted);
}

.details-sheet .detail-list {
    gap: 12px;
}

.details-sheet .detail-list div {
    background: rgba(255, 255, 255, 0.72);
}

.details-sheet .share-field input[readonly] {
    color: var(--muted-strong);
}

@media (max-width: 1080px) {
    .modal-toolbar {
        top: 12px;
        right: 12px;
    }

    .details-sheet {
        grid-template-columns: minmax(0, 1fr);
    }

    .details-sheet__scrim {
        position: absolute;
        inset: 0;
    }

    .details-sheet__panel {
        width: min(100%, 460px);
        margin-left: auto;
    }
}

@media (max-width: 760px) {
    .media-card__media {
        aspect-ratio: 1 / 1.08;
    }

    .media-card__share {
        top: 12px;
        right: 12px;
    }

    .modal-card--preview .modal-stage {
        min-height: auto;
        padding: 10px;
    }

    .video-player__center {
        width: 62px;
        height: 62px;
    }

    .video-player__center svg {
        width: 25px;
        height: 25px;
    }

    .video-player__controls {
        left: 8px;
        right: 8px;
        bottom: 8px;
        grid-template-columns: auto minmax(0, 1fr) auto;
        gap: 8px;
        padding: 8px;
        border-radius: 18px;
    }

    .video-player__button {
        width: 34px;
        height: 34px;
        border-radius: 12px;
    }

    .video-player__timeline-wrap {
        grid-template-columns: minmax(0, 1fr);
    }

    .video-player__time {
        display: none;
    }

    .video-player__button[data-video-fullscreen] {
        display: none;
    }

    .details-sheet {
        align-items: end;
    }

    .details-sheet__panel {
        width: 100%;
        max-height: min(84vh, 760px);
        border-left: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.8);
        border-top-left-radius: 28px;
        border-top-right-radius: 28px;
        box-shadow: 0 -22px 54px rgba(15, 23, 42, 0.14);
    }
}

@media (max-width: 720px) {
    .upload-feedback__header,
    .upload-result {
        grid-template-columns: 1fr;
    }

    .upload-feedback__header {
        display: grid;
    }

    .upload-result__meta {
        justify-items: start;
        text-align: left;
    }

    .upload-summary-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 360px) {
    .media-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}