@font-face {
  font-family: 'IBM Plex Sans';
  src: url('/assets/fonts/IBMPlexSans-Variable.ttf') format('truetype');
  font-weight: 100 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --core-accent: #1d4ed8;
  --core-accent-strong: #1e40af;
  --core-ink: #0f172a;
  --core-ink-soft: #1f2937;
  --core-surface: #ffffff;
  --core-surface-alt: #f8fafc;
  --core-muted: #94a3b8;
  --core-border: #e2e8f0;
  --core-success: #22c55e;
  --core-warning: #f59e0b;
  --core-danger: #ef4444;
  --shadow-soft: 0 20px 40px rgba(15, 23, 42, 0.15);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'IBM Plex Sans', 'Segoe UI', Arial, sans-serif;
  color: var(--core-ink);
  background: radial-gradient(circle at top left, #1e293b 0%, #0b1220 40%, #0f172a 100%);
  min-height: 100vh;
}

.ambient {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(29, 78, 216, 0.25), transparent 40%),
    radial-gradient(circle at 85% 15%, rgba(14, 116, 144, 0.25), transparent 45%),
    radial-gradient(circle at 70% 80%, rgba(30, 64, 175, 0.2), transparent 45%);
  pointer-events: none;
}

.shell {
  position: relative;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  padding: 28px;
}

.sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
  background: rgba(15, 23, 42, 0.92);
  color: #ffffff;
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: #0b1220;
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-sub {
  color: rgba(226, 232, 240, 0.7);
  font-size: 12px;
}

.tenant-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 16px;
  padding: 16px;
}

.label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 11px;
  color: rgba(226, 232, 240, 0.7);
  margin-bottom: 6px;
}

.tenant-value {
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
}

.user-value {
  font-size: 13px;
  color: rgba(226, 232, 240, 0.7);
  margin-top: 6px;
}

.quick-actions {
  display: grid;
  gap: 12px;
}

.button,
.link {
  cursor: pointer;
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 14px;
}

.button {
  background: linear-gradient(135deg, var(--core-accent), var(--core-accent-strong));
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(29, 78, 216, 0.35);
}

.button.ghost {
  background: transparent;
  border: 1px solid rgba(148, 163, 184, 0.45);
  color: #ffffff;
  box-shadow: none;
}

.button.small {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: 10px;
}

.button.ghost.danger,
.button.danger {
  color: var(--core-danger);
  border-color: rgba(239, 68, 68, 0.3);
  background: #ffffff;
  box-shadow: none;
}

.link {
  background: none;
  padding: 0;
  color: var(--core-accent);
  text-align: left;
}

.status {
  font-size: 12px;
  color: rgba(226, 232, 240, 0.8);
  line-height: 1.4;
}

.content {
  background: var(--core-surface);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow-soft);
  min-height: 70vh;
}

.content .button.ghost {
  color: var(--core-ink);
  border-color: var(--core-border);
  background: #ffffff;
}

.content .button.ghost:hover {
  border-color: rgba(29, 78, 216, 0.35);
}

.panel {
  display: block;
}

.panel.is-hidden {
  display: none;
}

.panel h1 {
  margin: 0 0 8px;
  font-size: 28px;
}

.panel p {
  margin: 0 0 24px;
  color: var(--core-muted);
}

.form {
  display: grid;
  gap: 16px;
  max-width: 420px;
}

.form label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  color: var(--core-ink-soft);
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="search"] {
  border-radius: 12px;
  border: 1px solid var(--core-border);
  padding: 12px 14px;
  font-size: 14px;
  background: var(--core-surface-alt);
}

select {
  border-radius: 12px;
  border: 1px solid var(--core-border);
  padding: 12px 14px;
  font-size: 14px;
  background: var(--core-surface-alt);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.panel-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.panel-actions input[type="text"] {
  min-width: 220px;
  max-width: 280px;
}

.toolbar {
  margin: 20px 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.view-toggle {
  display: flex;
  gap: 6px;
}

.view-toggle .active {
  background: var(--core-accent);
  color: #ffffff;
  border-color: transparent;
}

.content .view-toggle .button.active {
  background: var(--core-accent);
  color: #ffffff;
  border-color: transparent;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.meta {
  color: var(--core-muted);
  font-size: 13px;
}

.file-list {
  display: grid;
  gap: 12px;
}

.admin-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 20px;
}

.admin-card {
  background: var(--core-surface-alt);
  border: 1px solid var(--core-border);
  border-radius: 16px;
  padding: 16px;
  display: grid;
  gap: 14px;
}

.admin-card-full {
  margin-top: 20px;
}

.admin-card h2 {
  margin: 0;
  font-size: 18px;
}

.admin-form {
  max-width: none;
}

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

.admin-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--core-border);
  background: #ffffff;
}

.admin-row .meta {
  font-size: 12px;
}

.admin-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.admin-pill {
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(29, 78, 216, 0.12);
  color: var(--core-accent-strong);
  font-size: 12px;
  font-weight: 600;
}

.file-row {
  display: grid;
  grid-template-columns: 24px 56px minmax(0, 1.6fr) minmax(90px, 120px) minmax(120px, 140px) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid var(--core-border);
  background: var(--core-surface-alt);
  cursor: pointer;
  width: 100%;
  overflow: hidden;
}

.file-row > div {
  min-width: 0;
}

.file-row:hover {
  border-color: rgba(29, 78, 216, 0.45);
}

.file-row.is-selected {
  border-color: rgba(29, 78, 216, 0.6);
  background: rgba(59, 130, 246, 0.08);
}

.file-check {
  display: flex;
  justify-content: center;
}

.file-check input {
  width: 16px;
  height: 16px;
}

.file-thumb {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid rgba(148, 163, 184, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.file-thumb img.icon {
  object-fit: contain;
  padding: 6px;
}

.file-row.folder {
  background: #eef2ff;
  border-color: rgba(99, 102, 241, 0.35);
}

.file-title {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-sub {
  color: var(--core-muted);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-row small {
  color: var(--core-muted);
  font-size: 12px;
}

.file-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.file-row:hover .file-actions,
.file-row.is-selected .file-actions {
  opacity: 1;
  pointer-events: auto;
}

.file-actions button {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--core-border);
  background: #ffffff;
  font-size: 12px;
  white-space: nowrap;
}

.file-actions button.danger {
  color: var(--core-danger);
  border-color: rgba(239, 68, 68, 0.3);
}

.usage-bar {
  margin: 12px 0 18px;
  display: grid;
  gap: 8px;
}

.usage-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.usage-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.3);
  overflow: hidden;
}

.usage-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--core-accent), var(--core-accent-strong));
  transition: width 0.3s ease;
}

.selection-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px dashed rgba(148, 163, 184, 0.4);
  background: rgba(248, 250, 252, 0.7);
  margin-bottom: 12px;
}

.selection-bar.is-hidden {
  display: none;
}

.selection-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.preview-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 100;
}

.preview-overlay.is-hidden {
  display: none;
}

.sync-overlay.is-hidden,
.share-overlay.is-hidden {
  display: none;
}

.preview-panel {
  width: min(920px, 90vw);
  background: #ffffff;
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--shadow-soft);
  position: relative;
  display: grid;
  gap: 16px;
}

.preview-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: rgba(15, 23, 42, 0.08);
  font-size: 20px;
  cursor: pointer;
}

.preview-media {
  width: 100%;
  max-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  border-radius: 16px;
  overflow: hidden;
}

.preview-media img {
  max-width: 100%;
  max-height: 60vh;
}

.preview-meta {
  display: grid;
  gap: 6px;
}

.preview-actions {
  display: flex;
  gap: 8px;
}

.sync-overlay,
.share-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 110;
}

.sync-card,
.share-panel {
  background: #ffffff;
  border-radius: 20px;
  padding: 24px;
  width: min(640px, 92vw);
  box-shadow: var(--shadow-soft);
  position: relative;
  display: grid;
  gap: 16px;
}

.sync-close,
.share-close {
  position: absolute;
  top: 12px;
  right: 12px;
  border: none;
  background: rgba(148, 163, 184, 0.2);
  border-radius: 10px;
  width: 32px;
  height: 32px;
  font-size: 18px;
  cursor: pointer;
}

.sync-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.sync-notes {
  background: var(--core-surface-alt);
  border-radius: 12px;
  padding: 12px;
  font-size: 13px;
  color: var(--core-ink-soft);
  display: grid;
  gap: 6px;
}

.share-link {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px;
  align-items: center;
}

.share-link input {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--core-border);
  font-size: 13px;
}

.share-access {
  display: grid;
  gap: 10px;
}

.share-access-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.share-list {
  display: grid;
  gap: 8px;
}

.share-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--core-border);
  background: var(--core-surface-alt);
}

.share-item small {
  color: var(--core-muted);
}

.file-list.view-small,
.file-list.view-medium,
.file-list.view-large {
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

.file-list.view-small .file-row,
.file-list.view-medium .file-row,
.file-list.view-large .file-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.file-list.view-small .file-thumb {
  width: 72px;
  height: 72px;
}

.file-list.view-medium .file-thumb {
  width: 96px;
  height: 96px;
}

.file-list.view-large .file-thumb {
  width: 128px;
  height: 128px;
}

.file-list.view-small .file-check,
.file-list.view-medium .file-check,
.file-list.view-large .file-check {
  align-self: flex-start;
}

.file-list.view-small .file-actions,
.file-list.view-medium .file-actions,
.file-list.view-large .file-actions {
  flex-wrap: wrap;
  justify-content: center;
}

.file-list.view-small .file-row > :nth-child(4),
.file-list.view-small .file-row > :nth-child(5),
.file-list.view-small .file-row > :nth-child(6),
.file-list.view-medium .file-row > :nth-child(4),
.file-list.view-medium .file-row > :nth-child(5),
.file-list.view-medium .file-row > :nth-child(6),
.file-list.view-large .file-row > :nth-child(4),
.file-list.view-large .file-row > :nth-child(5),
.file-list.view-large .file-row > :nth-child(6) {
  width: 100%;
}

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

  .sidebar {
    position: relative;
  }

  .file-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .file-actions {
    justify-content: flex-start;
    opacity: 1;
    pointer-events: auto;
  }

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