/* ============================================================
   System font, CSS custom properties, base reset
   ============================================================ */
:root {
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bg: #f4f5f7;
  --surface: #ffffff;
  --border: #d0d4da;
  --border-subtle: #e8eaed;
  --text: #1a1c1e;
  --text-muted: #6b7280;
  --text-small: #8f95a0;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-fg: #ffffff;
  --danger: #dc2626;
  --danger-hover: #b91c1c;

  /* status badge palette */
  --badge-discovered-bg: #f1f3f5;
  --badge-discovered-fg: #495057;
  --badge-downloading-bg: #dbeafe;
  --badge-downloading-fg: #1d4ed8;
  --badge-downloaded-bg: #dcfce7;
  --badge-downloaded-fg: #15803d;
  --badge-on_bunny-bg: #ede9fe;
  --badge-on_bunny-fg: #6d28d9;
  --badge-error-bg: #fee2e2;
  --badge-error-fg: #dc2626;

  --radius: 6px;
  --radius-sm: 4px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow: 0 2px 8px rgba(0,0,0,0.10);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================================
   Login page
   ============================================================ */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 360px;
}

.login-card h1 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.login-card .subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1.75rem;
}

.login-card label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.login-card input[type="password"] {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s;
  background: var(--bg);
}

.login-card input[type="password"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.login-error {
  background: var(--badge-error-bg);
  color: var(--badge-error-fg);
  border: 1px solid #fca5a5;
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: none;
}

.login-error.visible { display: block; }

/* ============================================================
   Shared button styles
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1.4;
  white-space: nowrap;
  transition: background 0.12s, border-color 0.12s, opacity 0.12s;
  text-decoration: none;
}
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn:disabled { opacity: 0.5; cursor: default; }

.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover:not(:disabled) { background: var(--bg); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}
.btn-ghost:hover:not(:disabled) { background: var(--bg); color: var(--text); }

.btn-danger {
  background: var(--surface);
  color: var(--danger);
  border-color: #fca5a5;
}
.btn-danger:hover:not(:disabled) { background: var(--badge-error-bg); }

.btn-sm { padding: 0.3rem 0.65rem; font-size: 0.8rem; }

.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   App layout — top bar
   ============================================================ */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0 1.5rem;
  height: 52px;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
}

.topbar-title {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--text);
  flex-shrink: 0;
}

.topbar-title span {
  color: var(--accent);
}

.drive-form {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

.drive-input {
  flex: 1;
  min-width: 0;
  padding: 0.42rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s;
  background: var(--bg);
}
.drive-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.drive-input::placeholder { color: var(--text-small); }

.drive-feedback {
  font-size: 0.8rem;
  white-space: nowrap;
}
.drive-feedback.error { color: var(--danger); }
.drive-feedback.busy  { color: var(--text-muted); }
.drive-feedback.ok    { color: var(--badge-downloaded-fg); }

.topbar-logout { margin-left: auto; flex-shrink: 0; }

/* ============================================================
   Listed results strip
   ============================================================ */
.results-strip {
  background: var(--surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 1.5rem;
  display: none;
}
.results-strip.visible { display: block; }

.results-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}

.results-header h2 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.listed-rows {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.listed-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0;
  font-size: 0.875rem;
}

.listed-row-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.listed-row-size {
  color: var(--text-muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

/* ============================================================
   Main content area
   ============================================================ */
.main {
  padding: 1.25rem 1.5rem;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.section-header h2 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.row-count {
  font-size: 0.75rem;
  color: var(--text-small);
  background: var(--bg);
  border: 1px solid var(--border-subtle);
  border-radius: 99px;
  padding: 0.1rem 0.5rem;
}

/* ============================================================
   Videos table
   ============================================================ */
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.videos-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.videos-table thead th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.videos-table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
}
.videos-table tbody tr:last-child { border-bottom: none; }
.videos-table tbody tr:hover { background: #fafbfc; }

.videos-table td {
  padding: 0.55rem 0.75rem;
  vertical-align: middle;
}

/* Thumbnail cell */
.td-thumb {
  width: 72px;
  padding: 0.4rem 0.5rem 0.4rem 0.75rem;
}
.thumb-img {
  width: 64px;
  height: 36px;
  object-fit: cover;
  border-radius: 3px;
  border: 1px solid var(--border-subtle);
  background: var(--bg);
  display: block;
}

/* Name cell */
.td-name { min-width: 180px; }
.video-name {
  font-weight: 500;
  color: var(--text);
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 280px;
}
.video-mime {
  font-size: 0.75rem;
  color: var(--text-small);
  font-family: "SF Mono", "Fira Mono", Consolas, monospace;
}

/* Size / duration cell */
.td-meta { white-space: nowrap; color: var(--text-muted); }
.meta-size { font-size: 0.875rem; }
.meta-dur  { font-size: 0.75rem; color: var(--text-small); }

/* Status cell */
.td-status { white-space: nowrap; }

/* Public URL cell */
.td-url { max-width: 200px; }
.url-text {
  display: inline-block;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: middle;
  font-size: 0.8rem;
  color: var(--accent);
  font-family: "SF Mono", "Fira Mono", Consolas, monospace;
}

/* Actions cell */
.td-actions {
  white-space: nowrap;
  width: 1px; /* shrink to content */
}
.actions-group {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Error message */
.error-msg {
  font-size: 0.78rem;
  color: var(--badge-error-fg);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: help;
}

/* ============================================================
   Status badges
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  border-radius: 99px;
  font-size: 0.73rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-discovered { background: var(--badge-discovered-bg); color: var(--badge-discovered-fg); }
.badge-downloading { background: var(--badge-downloading-bg); color: var(--badge-downloading-fg); }
.badge-downloaded  { background: var(--badge-downloaded-bg);  color: var(--badge-downloaded-fg); }
.badge-on_bunny    { background: var(--badge-on_bunny-bg);    color: var(--badge-on_bunny-fg); }
.badge-error       { background: var(--badge-error-bg);       color: var(--badge-error-fg); }

/* ============================================================
   Spinner (CSS only)
   ============================================================ */
.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--badge-downloading-bg);
  border-top-color: var(--badge-downloading-fg);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   Archived muted tag
   ============================================================ */
.tag-archived {
  font-size: 0.73rem;
  color: var(--text-small);
  background: var(--bg);
  border: 1px solid var(--border-subtle);
  border-radius: 99px;
  padding: 0.15rem 0.45rem;
  white-space: nowrap;
}

/* ============================================================
   Copy feedback
   ============================================================ */
.copied-flash {
  font-size: 0.75rem;
  color: var(--badge-downloaded-fg);
  font-weight: 500;
  animation: fadeOut 1.2s forwards;
}
@keyframes fadeOut {
  0%   { opacity: 1; }
  60%  { opacity: 1; }
  100% { opacity: 0; }
}

/* ============================================================
   Empty state
   ============================================================ */
.empty-state {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
}
.empty-state p { font-size: 0.9rem; }

/* ============================================================
   Miscellaneous utilities
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}