/* My AI Rank — tier board styles (kept as-is, S+ to F board must not change)
 * Page layout / header / footer / buttons are handled by Tailwind in index.html.
 * CSS variables previously provided by assets/styles.css are defined here. */

/* ---------- Local fonts (no CDN) ---------- */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  src: url('assets/fonts/archivo-var.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('assets/fonts/plexmono-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('assets/fonts/plexmono-500.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url('assets/fonts/jetbrainsmono-var.woff2') format('woff2');
}

:root {
  --bg: #0b0b0c;
  --bg-raise: #121214;
  --ink: #f0ede6;
  --muted: #8a8781;
  --accent: #c6ff3e;
  --accent-hover: #d8ff70;
  --line: rgba(240, 237, 230, 0.14);
  --line-strong: rgba(240, 237, 230, 0.32);
  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  /* Board interior (S+ to F, PNG export) — locked to the original pairing. */
  --font-mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;
  /* Page UI outside the board — more readable mono. */
  --font-mono-ui: "JetBrains Mono", "SF Mono", Menlo, monospace;
}

html, body {
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

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

/* ---------- Header / language switch ---------- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.language-switch {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  overflow: hidden;
}

.language-tab {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono-ui);
  font-size: 0.72rem;
  line-height: 1;
  padding: 7px 10px;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}
.language-tab + .language-tab { border-left: 1px solid var(--line-strong); }
.language-tab:hover { color: var(--ink); }
.language-tab.active { background: var(--ink); color: var(--bg); font-weight: 600; }

/* ---------- Mode switch (Models / Harnesses) ---------- */
.mode-switch {
  display: inline-flex;
  margin-top: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  overflow: hidden;
}
.mode-tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono-ui);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  padding: 10px 22px;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}
.mode-tab + .mode-tab { border-left: 1px solid var(--line-strong); }
.mode-tab:hover { color: var(--ink); }
.mode-tab.active { background: var(--accent); color: #0b0b0c; font-weight: 500; }
.mode-tab.active:hover { color: #0b0b0c; }

/* ---------- Inputs / status ---------- */
.tl-input,
.tl-select {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 10px 12px;
  font-family: var(--font-mono-ui);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  border-radius: 2px;
  min-width: 150px;
}

.tl-input::placeholder { color: var(--muted); }

.tl-select { min-width: 130px; cursor: pointer; }

.tl-status {
  font-family: var(--font-mono-ui);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--accent);
  min-height: 1.2em;
  flex-basis: 100%;
}
.tl-status:empty { display: none; }
.tl-status a { color: var(--accent); border-bottom: 1px solid var(--accent); }

/* ---------- Tier board (S+ to F — unchanged) ---------- */
.tier-board {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-raise);
  overflow: hidden;
}

.board-header {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
}

.board-title {
  font-family: var(--font-display);
  font-stretch: 125%;
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(1.3rem, 3vw, 2rem);
  letter-spacing: -0.015em;
  margin: 0;
}

.board-meta,
.board-author {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 4px;
}

.tier-row {
  display: grid;
  grid-template-columns: minmax(70px, max-content) 1fr;
  min-height: 78px;
  border-bottom: 1px solid var(--line);
}

.tier-row:last-child { border-bottom: none; }

.tier-label {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-stretch: 125%;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--bg);
  text-transform: uppercase;
  user-select: none;
  padding: 0 12px;
  white-space: nowrap;
}

.tier-label[data-tier="S+"] { background: #ff5b6b; }
.tier-label[data-tier="A"]  { background: #f2a25b; }
.tier-label[data-tier="B"]  { background: #f2c45b; }
.tier-label[data-tier="C"]  { background: #66c46a; }
.tier-label[data-tier="D"]  { background: #a866e0; }
.tier-label[data-tier="F"]  { background: #e055aa; }

html[lang="zh-CN"] .tier-label {
  min-width: 112px;
  text-transform: none;
  letter-spacing: 0.02em;
}

.tier-lane,
.pool-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: flex-start;
  padding: 14px;
  min-height: 78px;
  transition: background 0.15s;
}

.tier-lane.drag-over,
.pool-list.drag-over {
  background: rgba(198, 255, 62, 0.08);
  outline: 1px dashed var(--accent);
}

/* ---------- Pool ---------- */
.model-pool {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-raise);
  padding: 20px;
}

.pool-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  gap: 12px;
}

.pool-title {
  font-family: var(--font-display);
  font-stretch: 125%;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.1rem;
  margin: 0;
}

.pool-count {
  font-family: var(--font-mono-ui);
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---------- Model cards ---------- */
.model-card {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #161619;
  cursor: grab;
  user-select: none;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--ink);
  transition: border-color 0.1s;
  position: relative;
}

.model-card:hover { border-color: var(--accent); }

.model-card.dragging {
  opacity: 0.28;
  border-color: var(--accent);
  z-index: 4;
}

.model-card .provider-icon {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  overflow: hidden;
  font-size: 12px;
  font-weight: 700;
}

.model-card .provider-icon svg {
  width: 18px;
  height: 18px;
  display: block;
}

.model-card .provider-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-del {
  position: absolute;
  top: -7px;
  right: -7px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-raise);
  border: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, border-color 0.15s;
  z-index: 5;
  padding: 0;
}
.model-card:hover .card-del,
.card-del:focus-visible { opacity: 1; }
.card-del:hover { color: #ff5b6b; border-color: #ff5b6b; }

.model-card .model-name { white-space: nowrap; }

.model-card .drag-handle {
  color: var(--muted);
  font-size: 0.8rem;
  margin-left: 2px;
  letter-spacing: -0.05em;
}

/* ---------- Board footer ---------- */
.board-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--muted);
}

.tl-footer-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tl-footer-note img,
.tl-footer-note .x-mark { display: block; }

.x-mark { fill: currentColor; color: var(--ink); }

.board-footer .tl-footer-note {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}
.board-footer .tl-footer-note .x-mark { color: var(--accent); width: 15px; height: 15px; }
.board-footer .tl-footer-note a {
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color 0.18s, border-color 0.18s;
}
.board-footer .tl-footer-note a:hover { color: var(--accent); border-color: var(--accent); }
.board-footer .tl-footer-note.png-only { color: var(--ink); }

/* ---------- Add form ---------- */
.tl-add {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
  max-width: 640px;
}

.tl-add input { flex: 1 1 160px; }
.tl-add select { flex: 1 1 120px; }

.png-only { display: none; }