/* /my-builds — library page. Indigo/cyan GEO-page family on brand tokens. */

/* Page atmosphere — mirrors the GEO pages' body treatment (loadouts/ttk):
   without an explicit dark background the near-white text tokens render
   white-on-white on the UA default canvas. */
body.arena {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 84% -10%, rgba(99, 102, 241, 0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 28%, rgba(34, 211, 238, 0.05), transparent 60%),
    linear-gradient(180deg, #0A0C14 0%, #0D0F1A 42%, #0A0C14 100%);
  color: var(--tfl-text-1, #d6dae6);
  font-family: Inter, system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  color-scheme: dark;
}
body.arena a { color: var(--tfl-cyan, #22d3ee); text-decoration: none; }

/* The toolbar/note elements set display, which would defeat the hidden
   attribute — make [hidden] always win. */
.mb-toolbar[hidden],
.mb-signin-note[hidden],
.mb-import-note[hidden],
.mb-empty[hidden],
.mb-archived[hidden] { display: none; }

.mb-page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 20px 72px;
  color: var(--tfl-text-1, #d6dae6);
}

.mb-hero { margin: 8px 0 26px; }
.mb-hero h1 {
  margin: 0;
  font-family: 'Barlow Condensed', 'Bebas Neue', Inter, sans-serif;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--tfl-text-0, #f5f7fb);
}
.mb-hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--tfl-indigo, #818cf8), var(--tfl-cyan, #22d3ee));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.mb-hero-sub { margin: 6px 0 0; color: var(--tfl-text-2, #8c92a8); max-width: 56ch; }

/* Toolbar */
.mb-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 0 0 18px;
}
.mb-toolbar input[type="search"],
.mb-toolbar select {
  min-height: 44px;
  padding: 8px 12px;
  font: 500 0.95rem/1.3 Inter, system-ui, sans-serif;
  color: var(--tfl-text-0, #f5f7fb);
  background: var(--tfl-bg-1, #0d0f1a);
  border: 1px solid var(--tfl-line-2, rgba(255, 255, 255, 0.12));
  border-radius: 10px;
}
.mb-toolbar input[type="search"] { flex: 1 1 200px; }
.mb-chips { display: flex; gap: 6px; }
.mb-chip {
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--tfl-line-2, rgba(255, 255, 255, 0.12));
  border-radius: 999px;
  background: var(--tfl-bg-1, #0d0f1a);
  color: var(--tfl-text-1, #d6dae6);
  font: 600 0.9rem/1 Inter, system-ui, sans-serif;
  cursor: pointer;
}
.mb-chip.on {
  border-color: var(--tfl-indigo, #818cf8);
  color: var(--tfl-text-0, #f5f7fb);
  background: color-mix(in srgb, var(--tfl-indigo, #818cf8) 18%, var(--tfl-bg-1, #0d0f1a));
}
.mb-chip:focus-visible, .mb-new-btn:focus-visible, .mb-link-btn:focus-visible {
  outline: 2px solid var(--tfl-indigo, #818cf8);
  outline-offset: 1px;
}
.mb-new-btn {
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: 10px;
  font: 700 0.95rem/1 Inter, system-ui, sans-serif;
  cursor: pointer;
  color: #0a0c14;
  background: linear-gradient(135deg, var(--tfl-indigo, #818cf8), var(--tfl-cyan, #22d3ee));
}
.mb-new-btn:hover { filter: brightness(1.1); }

.mb-signin-note, .mb-import-note {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  align-items: center;
  margin: 0 0 18px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--tfl-line, rgba(255, 255, 255, 0.07));
  background: var(--tfl-surface, rgba(255, 255, 255, 0.028));
  color: var(--tfl-text-2, #8c92a8);
  font-size: 0.92rem;
}
.mb-link-btn {
  min-height: 44px;
  padding: 0 10px;
  border: 0;
  background: none;
  color: var(--tfl-cyan, #22d3ee);
  font: 600 0.92rem/1 Inter, system-ui, sans-serif;
  cursor: pointer;
}
.mb-link-btn:hover { text-decoration: underline; }

/* Empty state */
.mb-empty {
  text-align: center;
  padding: 56px 20px;
  border: 1px dashed var(--tfl-line-2, rgba(255, 255, 255, 0.12));
  border-radius: 14px;
}
.mb-empty h2 { margin: 0 0 6px; color: var(--tfl-text-0, #f5f7fb); }
.mb-empty p { margin: 0 auto 18px; max-width: 44ch; color: var(--tfl-text-2, #8c92a8); }

/* Cards */
.mb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}
.mb-card {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--tfl-line-2, rgba(255, 255, 255, 0.12));
  border-radius: 14px;
  background: var(--tfl-bg-2, #141826);
}
.mb-card.archived { opacity: 0.72; }
.mb-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.mb-card-name { margin: 0; font-size: 1.05rem; font-weight: 700; color: var(--tfl-text-0, #f5f7fb); overflow-wrap: anywhere; }
.mb-class-badge {
  flex: none;
  padding: 4px 10px;
  border-radius: 999px;
  font: 700 0.75rem/1.2 Inter, sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.mb-class-badge.light  { background: rgba(34, 211, 238, 0.16); color: #7ce7f7; }
.mb-class-badge.medium { background: rgba(129, 140, 248, 0.18); color: #aab3fb; }
.mb-class-badge.heavy  { background: rgba(228, 3, 46, 0.16);  color: #ff8f9d; }

.mb-card-rows { display: grid; gap: 4px; font-size: 0.92rem; }
.mb-card-rows .lbl { color: var(--tfl-text-2, #8c92a8); margin-right: 6px; font-size: 0.78rem; letter-spacing: 0.05em; text-transform: uppercase; }
.mb-card-meta { font-size: 0.8rem; color: var(--tfl-text-2, #8c92a8); }
.mb-card-meta .mb-pending { color: var(--tfl-yellow, #eab308); }
.mb-card-meta .mb-invalid { color: #ff8f9d; }

.mb-card-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.mb-card-actions button {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--tfl-line-2, rgba(255, 255, 255, 0.12));
  border-radius: 8px;
  background: var(--tfl-bg-1, #0d0f1a);
  color: var(--tfl-text-1, #d6dae6);
  font: 600 0.85rem/1 Inter, sans-serif;
  cursor: pointer;
}
.mb-card-actions button:hover { border-color: var(--tfl-indigo, #818cf8); color: var(--tfl-text-0, #f5f7fb); }
.mb-card-actions button:focus-visible { outline: 2px solid var(--tfl-indigo, #818cf8); outline-offset: 1px; }
.mb-card-actions .danger:hover { border-color: var(--tfl-red-hot, #ff2b3d); color: #ff8f9d; }

.mb-archived { margin-top: 26px; }
.mb-archived summary {
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
  color: var(--tfl-text-2, #8c92a8);
  font-weight: 600;
}
.mb-archived .mb-grid { margin-top: 12px; }

.mb-status { min-height: 1.2em; margin: 16px 0 0; color: var(--tfl-text-2, #8c92a8); font-size: 0.9rem; }

@media (max-width: 767px) {
  .mb-page { padding: 20px 14px 56px; }
  .mb-toolbar { align-items: stretch; }
  .mb-toolbar input[type="search"] { flex-basis: 100%; }
  .mb-chips { flex-wrap: wrap; }
  .mb-grid { grid-template-columns: 1fr; }
}