:root {
  --bg: #f9f9ff;
  --surface: #f9f9ff;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f2f3fc;
  --surface-container: #ededf6;
  --surface-container-high: #e7e8f0;
  --surface-container-highest: #e1e2ea;
  --surface-soft: var(--surface-container-low);
  --surface-muted: var(--surface-container-high);
  --surface-strong: var(--surface-container-highest);
  --primary: #003f87;
  --primary-container: #0056b3;
  --primary-strong: #0056b3;
  --on-primary: #ffffff;
  --on-surface: #191c21;
  --on-surface-variant: #424752;
  --muted: #5f6775;
  --outline-variant: #c2c6d4;
  --line: rgba(194, 198, 212, 0.55);
  --danger: #ba1a1a;
  --primary-gradient: linear-gradient(135deg, var(--primary), var(--primary-container));
  --glass-surface: rgba(255, 255, 255, 0.88);
  --glass-blur: blur(18px);
  --ambient-shadow: 0 20px 40px rgba(25, 28, 33, 0.06);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--on-surface);
  font-family: "Inter", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

img,
video,
iframe {
  display: block;
  max-width: 100%;
  border: 0;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  border: 0;
  background: transparent;
  outline: none;
}

h1,
h2,
h3,
.brand,
.queue-head strong,
.editor-card h2,
.group-copy h3,
.login-copy h2 {
  font-family: "Manrope", sans-serif;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 500, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}

.light-shell {
  background: var(--bg);
}

.auth-shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 32px 20px;
  background:
    radial-gradient(circle at top, rgba(215, 226, 255, 0.8), transparent 36%),
    linear-gradient(180deg, #f9f9ff 0%, #f2f3fc 100%);
}

.auth-stage {
  width: min(100%, 540px);
}

.w-full {
  width: 100%;
}



.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  height: 72px;
  padding: 0 32px;
  background: var(--glass-surface);
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 1px 0 rgba(225, 226, 234, 0.9);
}

.glass-nav {
  backdrop-filter: var(--glass-blur);
}

.topbar-left,
.topbar-right,
.topnav {
  display: flex;
  align-items: center;
}

.topbar-left {
  gap: 36px;
}

.brand {
  font-size: 1.8rem;
  color: var(--primary);
}

.topnav {
  gap: 24px;
}

.topnav a {
  font-weight: 600;
  color: var(--on-surface-variant);
}

.topnav a.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 4px;
}

.topbar-right {
  gap: 16px;
}

.top-search-shell {
  position: relative;
}

.top-search {
  position: relative;
  display: flex;
  align-items: center;
}

.top-search-icon {
  position: absolute;
  left: 14px;
  color: var(--on-surface-variant);
  pointer-events: none;
  font-size: 20px;
}

.top-search input {
  width: 240px;
  border-radius: 999px;
  background: var(--surface-strong);
  padding: 12px 16px 12px 42px;
}

.top-search input:focus {
  background: var(--surface-container-lowest);
  box-shadow: 0 0 0 2px rgba(0, 63, 135, 0.15);
}

.top-search-results {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  width: 100%;
  z-index: 40;
}

.top-search-results-card {
  display: grid;
  gap: 2px;
  padding: 8px;
  border-radius: 20px;
  background: var(--surface-container-lowest);
  box-shadow: var(--ambient-shadow);
  border: 1px solid rgba(194, 198, 212, 0.4);
}

.top-search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  transition: background 0.18s ease;
}

.top-search-result-item:hover {
  background: var(--surface-soft);
}

.top-search-result-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(0, 63, 135, 0.08);
  color: var(--primary);
  flex-shrink: 0;
}

.top-search-result-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.top-search-result-copy strong,
.top-search-result-copy span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.top-search-result-copy strong {
  font-size: 0.92rem;
}

.top-search-result-copy span,
.top-search-empty {
  color: var(--on-surface-variant);
  font-size: 0.78rem;
}

.top-search-empty {
  padding: 12px 14px;
}

.icon-button {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: var(--on-surface-variant);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.icon-button:hover {
  background: var(--surface-soft);
  color: var(--primary);
}

.icon-button:active {
  transform: scale(0.96);
}

.user-avatar-ring {
  padding: 3px;
  border-radius: 50%;
  border: 2px solid var(--surface-strong);
}

.user-avatar {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--primary);
  background: var(--surface-muted);
  font-weight: 800;
  font-size: 0.85rem;
}

.shell-grid {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  align-items: start;
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px 16px 120px;
  background: var(--surface-container);
}

.sticky-sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  min-height: 100vh;
  max-height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 8px 20px;
}

.sidebar-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--primary-gradient);
  color: var(--on-primary);
}

.sidebar-brand strong {
  display: block;
  color: var(--primary);
}

.sidebar-brand p {
  margin: 4px 0 0;
  color: var(--on-surface-variant);
  font-size: 0.8rem;
}

.sidebar-nav,
.sidebar-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-meta {
  margin-top: auto;
}

.sidebar-nav a,
.sidebar-nav button,
.sidebar-meta a {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 16px;
  border: 0;
  border-radius: 12px;
  background: none;
  color: var(--on-surface-variant);
  font: inherit;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.sidebar-nav a.active,
.sidebar-nav button.active,
.sidebar-nav a:hover,
.sidebar-nav button:hover,
.sidebar-meta a:hover {
  background: var(--surface-container-high);
  color: var(--primary);
  transform: translateX(4px);
}

.sidebar-cta,
.submit-button,
.hero-upload,
.primary-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  border-radius: 14px;
  padding: 14px 18px;
  background: var(--primary-gradient);
  color: var(--on-primary);
  font-weight: 800;
  box-shadow: 0 10px 20px rgba(0, 63, 135, 0.16);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.sidebar-cta:hover,
.submit-button:hover,
.hero-upload:hover,
.primary-button:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(0, 63, 135, 0.18);
}

.sidebar-cta:active,
.submit-button:active,
.primary-button:active {
  transform: scale(0.98);
}

.storage-card {
  margin-top: 8px;
  padding: 14px;
  border-radius: 16px;
  background: var(--surface-container-lowest);
  box-shadow: var(--ambient-shadow);
}

.storage-head {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  margin-bottom: 10px;
}

.storage-head strong {
  color: var(--primary);
}

.storage-bar {
  height: 6px;
  border-radius: 999px;
  background: var(--surface-strong);
  overflow: hidden;
}

.storage-meter {
  display: block;
  width: 82%;
  height: 100%;
  background: var(--primary-gradient);
}

.page-shell {
  min-width: 0;
  padding: 40px 32px 96px;
}

.page-shell-fluid {
  width: 100%;
}

.hero-search,
.content-section,
.upload-page,
.upload-page-fluid,
.detail-page {
  width: 100%;
}

.p-4{
  padding: 4px;
}

.p-mx{
  padding-left: 16px;
  padding-right: 16px;
}


.hero-search {
  margin-bottom: 64px;
}

.hero-copy h1,
.page-intro h1 {
  margin: 0 0 12px;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.05;
  color: var(--primary);
}

.hero-copy p,
.page-intro p,
.section-head p,
.group-copy p,
.editor-card p,
.detail-side p,
.login-copy p {
  color: var(--on-surface-variant);
}

.hero-search-field {
  position: relative;
  width: 100%;
  margin-top: 24px;
}

.hero-search-icon {
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--on-surface-variant);
  pointer-events: none;
}

.hero-form input {
  width: 100%;
  border-radius: 999px;
  background: var(--surface-strong);
  padding: 24px 28px 24px 68px;
  font-size: 1.05rem;
}

.hero-form input:focus {
  background: var(--surface-container-lowest);
  box-shadow: 0 0 0 4px rgba(0, 63, 135, 0.1);
}

.section-head,
.queue-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
}

.section-head h2 {
  margin: 0 0 4px;
  font-size: 1.75rem;
}

.section-head p {
  margin: 0;
}

.section-head a {
  color: var(--primary);
  font-weight: 700;
}

.results-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin: 0 0 20px;
}

.results-summary {
  margin: 0;
  color: var(--on-surface-variant);
}

.view-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border-radius: 999px;
  background: var(--surface-container-lowest);
  box-shadow: var(--ambient-shadow);
}

.view-toggle a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--on-surface-variant);
  font-size: 0.9rem;
  font-weight: 700;
}

.view-toggle a.active {
  background: var(--surface-soft);
  color: var(--primary);
}

.asset-results {
  display: flex;
  flex-direction: column;
}

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

.group-card {
  display: flex;
  flex-direction: column;
  padding: 10px;
  border-radius: 18px;
  background: var(--surface-container-lowest);
  box-shadow: var(--ambient-shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.group-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 40px rgba(25, 28, 33, 0.08);
}

.group-preview {
  position: relative;
  display: block;
  aspect-ratio: 2.2 / 1;
  border-radius: 14px;
  background: var(--surface-soft);
  overflow: hidden;
}

.asset-preview-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.group-card:hover .asset-preview-image {
  transform: scale(1.05);
}

.asset-preview-fallback {
  display: grid;
  place-items: center;
  background:
    linear-gradient(180deg, rgba(247, 248, 252, 0.98), rgba(238, 240, 247, 0.98));
  color: var(--primary);
}

.asset-preview-fallback i {
  font-size: 3.5rem;
}

.asset-list-thumb.asset-preview-fallback i {
  font-size: 2.4rem;
}

.preview-pill {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.group-copy {
  padding: 12px 2px 2px;
}

.group-copy h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.group-copy p {
  margin: 0 0 12px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.group-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.group-tags span,
.detail-badge {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: #4a5c80;
  font-size: 0.82rem;
  font-weight: 600;
}

.group-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.group-row {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 14px 16px;
}

.asset-list-preview {
  display: block;
  width: 144px;
  height: 92px;
  border-radius: 14px;
  background: var(--surface-soft);
  overflow: hidden;
}

.asset-list-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.asset-list-copy {
  padding: 0;
}

.asset-list-meta {
  display: flex;
  justify-content: flex-end;
}

.asset-list-meta .preview-pill {
  position: static;
  background: var(--surface-soft);
}

.empty-card {
  padding: 32px;
  border-radius: 22px;
  background: var(--surface-container-lowest);
  box-shadow: var(--ambient-shadow);
  text-align: center;
}

.empty-icon {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 56px;
  color: #b5bac5;
}

.empty-card h3 {
  margin: 0 0 8px;
  font-size: 1.75rem;
}

.empty-card p {
  margin: 0 auto 20px;
  max-width: 520px;
}

.empty-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 700;
}

.upload-page {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.upload-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.9fr);
  gap: 28px;
}

.upload-layout-7-5 {
  grid-template-columns: minmax(0, 7fr) minmax(320px, 5fr);
}

.upload-left {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.dropzone,
.editor-card,
.upload-queue,
.preview-shell,
.detail-side,
.glass-card {
  background: var(--surface-container-lowest);
  box-shadow: var(--ambient-shadow);
  border-radius: var(--radius-lg);
}

.dropzone {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 340px;
  padding: 36px;
  border: 2px dashed var(--line);
  background:
    radial-gradient(circle, rgba(225, 226, 234, 0.8) 1px, transparent 1px),
    var(--surface-container-lowest);
  background-size: 20px 20px, auto;
  text-align: center;
  cursor: pointer;
  overflow: hidden;
}

.dropzone::before {
  content: "";
  position: absolute;
  inset: -24px;
  background: var(--primary-gradient);
  filter: blur(48px);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.dropzone > * {
  position: relative;
  z-index: 1;
}

.dropzone:hover::before,
.dropzone.dragover::before {
  opacity: 0.12;
}

.dropzone.dragover {
  border-color: var(--primary);
}

.dropzone input {
  display: none;
}

.dropzone-icon {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(215, 226, 255, 0.85);
  color: var(--primary);
}

.upload-file-icon {
  font-size: 42px;
  font-variation-settings: 'FILL' 1, 'wght' 500, 'GRAD' 0, 'opsz' 24;
}

.dropzone h2 {
  margin: 0 0 10px;
  font-size: 1.4rem;
}

.dropzone p {
  margin: 0;
}

.dropzone-link {
  color: var(--primary);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.dropzone-meta,
.upload-legal {
  color: var(--on-surface-variant);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.dropzone-meta {
  margin-top: 14px;
}

.upload-queue {
  padding: 22px;
}

.queue-head span,
.queue-empty {
  color: var(--on-surface-variant);
}

.queue-list {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.queue-progress-template {
  display: none;
}

.queue-item {
  padding: 16px;
  border-radius: 16px;
  background: var(--surface-soft);
  border-left: 4px solid var(--primary);
}

.queue-item-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.queue-file {
  display: flex;
  gap: 12px;
  align-items: center;
}

.queue-file-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--surface-muted);
  color: var(--on-surface-variant);
}

.queue-file strong {
  display: block;
  font-size: 0.95rem;
}

.queue-file span,
.queue-progress-meta,
.queue-progress-note {
  color: var(--on-surface-variant);
  font-size: 0.78rem;
}

.queue-remove {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: var(--on-surface-variant);
}

.queue-remove:hover {
  background: var(--surface-muted);
  color: var(--danger);
}

.queue-progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  font-weight: 700;
}

.queue-progress-note {
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.upload-progress-bar {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--surface-muted);
}

.upload-progress-fill {
  width: 0;
  height: 100%;
  background: var(--primary-gradient);
  transition: width 0.35s ease;
}

.editor-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.editor-head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.editor-head .material-symbols-outlined {
  color: var(--primary);
}

.editor-card p {
  margin: 0 0 4px;
}

.editor-card label,
.stack-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.editor-card input,
.editor-card select,
.editor-card textarea,
.stack-form input {
  width: 100%;
  border-radius: 14px;
  background: var(--surface-soft);
  padding: 14px 16px;
}

.editor-card textarea {
  resize: vertical;
}

.select-wrap {
  position: relative;
}

.select-wrap select {
  appearance: none;
  padding-right: 40px;
}

.select-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--on-surface-variant);
  pointer-events: none;
}

.upload-date-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(231, 232, 240, 0.7);
  color: var(--on-surface-variant);
  font-size: 0.88rem;
}

.editor-card .submit-button,
.primary-button {
  width: 100%;
}

.upload-legal {
  margin-top: 4px;
  text-align: center;
}

.toast-region {
  position: fixed;
  top: 88px;
  right: 24px;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: min(360px, calc(100vw - 40px));
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: 18px;
  background: var(--surface-container-lowest);
  box-shadow: 0 24px 40px rgba(25, 28, 33, 0.14);
  border-left: 4px solid var(--primary);
  animation: toast-in 220ms ease;
}

.toast.error {
  border-left-color: var(--danger);
}

.toast-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(215, 226, 255, 0.8);
  color: var(--primary);
  flex-shrink: 0;
}

.toast.error .toast-icon {
  background: rgba(255, 218, 214, 0.92);
  color: var(--danger);
}

.toast-copy strong {
  display: block;
  margin-bottom: 4px;
}

.toast-copy p {
  margin: 0;
  color: var(--on-surface-variant);
  font-size: 0.88rem;
}

.toast-close {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: var(--on-surface-variant);
  flex-shrink: 0;
}

.toast-close:hover {
  background: var(--surface-soft);
}

.floating-asset-tray {
  position: fixed;
  bottom: 72px;
  left: 50%;
  transform: translateX(-50%);
  width: min(90vw, 720px);
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(20px);
  box-shadow: 0 24px 48px rgba(25, 28, 33, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.45);
  z-index: 35;
}

.asset-tray-avatars {
  display: flex;
  align-items: center;
}

.asset-tray-avatar {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  margin-left: -8px;
  border-radius: 999px;
  border: 2px solid var(--surface-container-lowest);
  background: var(--surface-muted);
  color: var(--primary);
  font-size: 0.7rem;
  font-weight: 800;
}

.asset-tray-avatar:first-child {
  margin-left: 0;
}

.asset-tray-copy {
  font-weight: 600;
}

.asset-tray-button {
  margin-left: auto;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.breadcrumbs {
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--on-surface-variant);
  font-weight: 600;
  font-size: 0.9rem;
}

.detail-shell {
  display: grid;
  gap: 24px;
  align-items: start;
}

.detail-top-row {
  display: grid;
  grid-template-columns: minmax(0, 2.55fr) minmax(320px, 1.25fr);
  gap: 24px;
  align-items: start;
}

.detail-preview-column {
  min-width: 0;
}

.detail-main {
  display: grid;
  grid-template-rows: minmax(0, auto) auto;
  gap: 16px;
}

.detail-group-column,
.detail-details-section {
  min-width: 0;
}

.detail-support-grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
}

.detail-preview-stage,
.detail-group-panel,
.detail-meta-card {
  background: var(--surface-container-lowest);
  box-shadow: var(--ambient-shadow);
  border-radius: 28px;
}

.detail-preview-stage {
  min-height: 620px;
  padding: 22px;
}

.detail-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(225, 226, 234, 0.72);
}

.detail-preview-toolbar,
.detail-action-row {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  flex-shrink: 0;
  gap: 10px;
}

.detail-preview-file {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.detail-preview-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(0, 63, 135, 0.08);
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.detail-preview-icon i,
.detail-thumb-fallback i,
.detail-placeholder-icon i {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  line-height: 1;
}

.detail-preview-file strong,
.detail-preview-file span {
  display: block;
}

.detail-preview-file strong {
  font-size: 1rem;
  line-height: 1.4;
  word-break: break-word;
}

.detail-preview-file span,
.detail-preview-chip {
  color: var(--on-surface-variant);
  font-size: 0.82rem;
}

.detail-preview-chip,
.document-extension,
.document-placeholder-status {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface-soft);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.detail-preview-frame {
  min-height: 500px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(245, 246, 251, 0.98), rgba(238, 240, 247, 0.98));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.detail-preview-frame img,
.detail-preview-frame video,
.detail-preview-frame iframe,
.text-preview-panel,
.text-preview {
  width: 100%;
  height: 100%;
  min-height: 500px;
}

.detail-preview-frame img,
.detail-preview-frame video,
.detail-preview-frame iframe {
  object-fit: contain;
  background: var(--surface-container-lowest);
}

.text-preview-panel {
  border-radius: 22px;
  overflow: hidden;
  background: var(--surface-container-lowest);
}

.text-preview {
  margin: 0;
  padding: 28px;
  overflow: auto;
  white-space: pre-wrap;
  background: var(--surface-container-lowest);
}

.detail-action-btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 14px;
  background: var(--surface-container-lowest);
  color: var(--on-surface);
  font-weight: 700;
  box-shadow: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.detail-action-btn[aria-busy="true"] {
  opacity: 0.9;
}

.detail-action-icon {
  width: 44px;
  min-width: 44px;
  padding: 0;
}

.detail-processing-panel,
.detail-audio-panel {
  width: 100%;
  min-height: 500px;
  display: grid;
  gap: 24px;
  padding: 32px;
  align-content: center;
  background: linear-gradient(180deg, rgba(248, 249, 252, 0.98), rgba(239, 241, 248, 0.98));
}

.detail-processing-copy,
.detail-audio-copy {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.detail-download-state {
  margin-top: 2px;
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--surface-soft);
}

.detail-processing-copy h2,
.detail-audio-copy h2 {
  margin: 0;
}

.detail-processing-copy p,
.detail-audio-copy p,
.detail-download-note {
  margin: 0;
  color: var(--on-surface-variant);
}

.detail-spinner {
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 4px solid rgba(0, 63, 135, 0.16);
  border-top-color: var(--primary);
  animation: detailSpin 0.9s linear infinite;
}

.detail-spinner-inline {
  width: 18px;
  height: 18px;
  border-width: 2px;
}

.detail-retry-btn {
  min-height: 44px;
  padding: 0 16px;
}

.is-hidden {
  display: none !important;
}

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

.detail-processing-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(0, 63, 135, 0.1);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.detail-processing-meters {
  display: grid;
  gap: 18px;
}

.detail-progress-block {
  display: grid;
  gap: 8px;
}

.detail-progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.8rem;
}

.detail-progress-bar {
  position: relative;
  min-height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(0, 63, 135, 0.12);
}

.detail-progress-fill {
  display: block;
  min-height: 8px;
  border-radius: 999px;
  background: var(--primary-gradient);
  transition: width 0.2s ease;
}

.detail-audio-panel audio {
  width: 100%;
}

.document-placeholder-top {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.detail-action-btn i {
  font-size: 0.9rem;
}

.detail-action-btn.primary {
  background: var(--primary-gradient);
  color: var(--on-primary);
}

.detail-action-btn.secondary {
  background: var(--surface-container-lowest);
  color: var(--primary);
}

.detail-action-btn.danger {
  background: rgba(255, 240, 239, 0.72);
  color: var(--danger);
}

.detail-action-btn.disabled,
.detail-action-btn:disabled {
  background: var(--surface-soft);
  color: #a6acb7;
  box-shadow: none;
  cursor: not-allowed;
}

.detail-action-btn:not(.disabled):not(:disabled):hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(25, 28, 33, 0.08);
}

@media (max-width: 900px) {
  .detail-preview-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .detail-preview-toolbar,
  .detail-action-row {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

.document-placeholder-shell,
.document-placeholder-card,
.document-placeholder-sheet {
  width: 100%;
  min-height: 500px;
}

.document-placeholder-shell,
.document-placeholder-card {
  display: flex;
}

.document-placeholder-card {
  padding: 18px;
}

.document-placeholder-sheet {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 26px;
  padding: 34px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(248, 249, 252, 0.98), rgba(239, 241, 248, 0.98));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 18px 32px rgba(25, 28, 33, 0.08);
  overflow: hidden;
}

.document-placeholder-sheet::before,
.document-placeholder-sheet::after {
  content: "";
  position: absolute;
  width: 78%;
  height: 86%;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.74);
  z-index: 0;
}

.document-placeholder-sheet::before {
  transform: translateY(-18px) scale(0.95);
  opacity: 0.65;
}

.document-placeholder-sheet::after {
  transform: translateY(-34px) scale(0.91);
  opacity: 0.4;
}

.document-placeholder-top,
.document-icon-wrap,
.document-placeholder-copy {
  position: relative;
  z-index: 1;
}

.document-placeholder-top {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.document-extension {
  background: rgba(0, 63, 135, 0.08);
  color: var(--primary);
}

.document-placeholder-status {
  background: rgba(231, 232, 240, 0.9);
  color: var(--on-surface-variant);
}

.document-icon-wrap {
  width: 220px;
  height: 220px;
  display: grid;
  place-items: center;
  border-radius: 28px;
  background: var(--surface-container-lowest);
  box-shadow: 0 20px 30px rgba(25, 28, 33, 0.08);
}

.detail-placeholder-icon {
  color: var(--primary);
  font-size: 5.4rem;
}

.document-placeholder-copy {
  max-width: 560px;
  text-align: center;
}

.document-placeholder-copy h2 {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 2.7vw, 2rem);
  line-height: 1.2;
  word-break: break-word;
}

.document-placeholder-copy p {
  margin: 0;
  color: var(--on-surface-variant);
  font-size: 1rem;
}

.detail-group-panel {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
  min-height: 698px;
}

.detail-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(225, 226, 234, 0.9);
}

.detail-group-head h2 {
  margin: 0;
  font-size: 1rem;
}

.detail-group-head span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 800;
}

.detail-group-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  overflow: auto;
  max-height: 618px;
  padding-right: 4px;
  align-content: start;
}

.detail-group-item {
  min-width: 0;
  padding: 10px;
  border-radius: 18px;
  background: rgba(247, 248, 252, 0.9);
  border: 1px solid rgba(225, 226, 234, 0.9);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.detail-group-item.active {
  border-color: rgba(0, 63, 135, 0.22);
  box-shadow: 0 14px 24px rgba(25, 28, 33, 0.08);
}

.detail-group-item:hover {
  transform: translateY(-1px);
}

.detail-group-item img,
.detail-thumb-fallback {
  width: 100%;
  height: 118px;
  border-radius: 14px;
  background: var(--surface-soft);
}

.detail-group-item img {
  object-fit: cover;
}

.detail-thumb-fallback {
  display: grid;
  place-items: center;
  color: var(--primary);
  font-size: 2rem;
}

.detail-group-copy {
  display: grid;
  gap: 4px;
  margin-top: 10px;
  min-width: 0;
}

.detail-group-copy strong,
.detail-group-copy span {
  display: block;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.detail-group-copy strong {
  font-size: 0.88rem;
  line-height: 1.4;
}

.detail-group-copy span {
  color: var(--on-surface-variant);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.detail-meta-card {
  padding: 28px 24px;
  min-width: 0;
  align-self: start;
}

.detail-meta-head,
.detail-meta-summary {
  min-width: 0;
}

.detail-meta-summary {
  display: grid;
  gap: 12px;
}

.detail-meta-title-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  min-width: 0;
}

.detail-meta-head h1 {
  margin: 0;
  font-size: clamp(1.8rem, 2.4vw, 2.3rem);
  line-height: 1.08;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.detail-meta-head p {
  margin: 0;
  color: var(--on-surface-variant);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.meta-panel {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
}

.detail-meta-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(225, 226, 234, 0.9);
}

.meta-panel div {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  min-width: 0;
}

.detail-meta-grid div {
  padding-bottom: 0;
}

.meta-panel dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--on-surface-variant);
  font-weight: 800;
}

.meta-panel dd {
  margin: 0;
  font-weight: 600;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.detail-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.detail-actions .submit-button,
.ghost-action {
  flex: 1;
  justify-content: center;
}

.ghost-action {
  border-radius: 14px;
  background: var(--surface-soft);
  color: var(--primary);
  font-weight: 700;
}

.primary-gradient {
  background: var(--primary-gradient);
}

.glass-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(225, 226, 234, 0.8);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 14px 32px;
  font-size: 0.75rem;
  color: var(--on-surface-variant);
}

.footer-links {
  display: flex;
  gap: 18px;
}

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

.glass-card {
  padding: 32px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 48px rgba(25, 28, 33, 0.12);
}

.login-copy {
  margin-bottom: 20px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.login-copy h2 {
  margin: 0 0 10px;
  font-size: 2.2rem;
}

.stack-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.alert.error {
  margin-bottom: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255, 218, 214, 0.92);
  color: var(--danger);
  font-weight: 600;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1120px) {
  .shell-grid,
  .upload-layout,
  .upload-layout-7-5 {
    grid-template-columns: 1fr;
  }

  .detail-top-row,
  .detail-support-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .page-shell {
    padding: 32px 20px 110px;
  }
}

@media (max-width: 820px) {
  .topbar {
    padding: 0 16px;
  }

  .topnav,
  .top-search {
    display: none;
  }

  .hero-copy h1,
  .page-intro h1 {
    font-size: 2.6rem;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

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

  .results-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .group-row {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .asset-list-preview {
    width: 100%;
    height: 180px;
  }

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

  .detail-group-list {
    grid-template-columns: 1fr;
    max-height: none;
  }

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

@media (max-width: 640px) {
  .detail-meta-grid {
    grid-template-columns: 1fr;
  }

  .detail-action-row {
    grid-template-columns: 1fr;
  }

  .toast-region {
    top: 80px;
    right: 12px;
    width: calc(100vw - 24px);
  }

  .floating-asset-tray {
    width: calc(100vw - 24px);
    gap: 12px;
    padding: 14px 16px;
  }

  .asset-tray-button {
    padding: 10px 14px;
  }
}