/* BananaRouter — app-specific styles. Uses tokens.css vars only. */

body { padding: 0; background: radial-gradient(1200px 600px at 20% -10%, rgba(124,108,255,.14), transparent 60%), radial-gradient(1000px 500px at 100% 0%, rgba(244,182,64,.10), transparent 55%), var(--bg); }

.app-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.sidebar {
  border-right: 1px solid var(--border); background: linear-gradient(180deg, var(--surface), var(--bg));
  padding: var(--sp-6) var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-6);
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: var(--sp-2); padding: 0 var(--sp-2); }
.brand-mark {
  width: 36px; height: 36px; border-radius: var(--r-md); display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: var(--primary-ink);
  font-family: var(--font-display); font-weight: 800; font-size: var(--fs-lg); box-shadow: var(--shadow-glow);
  flex: none;
}
.brand-name { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-lg); letter-spacing: -.02em; }
.brand-sub { color: var(--muted); font-size: var(--fs-xs); margin-top: -2px; }

.nav { display: flex; flex-direction: column; gap: var(--sp-1); }
.nav-btn {
  display: flex; align-items: center; gap: var(--sp-3); text-align: left; width: 100%;
  background: transparent; border: 1px solid transparent; color: var(--muted); font-weight: 600;
  padding: var(--sp-3) var(--sp-3); border-radius: var(--r-md);
}
.nav-btn svg, .nav-ic svg { flex: none; opacity: .85; }
.nav-btn:hover { background: var(--surface-2); color: var(--text); transform: none; }
.nav-btn.active { background: var(--surface-2); color: var(--text); border-color: var(--border-strong); box-shadow: inset 0 0 0 1px rgba(244,182,64,.08); }
.nav-btn.active svg { color: var(--primary); opacity: 1; }
.nav-ic { display: inline-flex; }

/* generic inline icon spans populated by data-icon */
[data-icon] { display: inline-flex; align-items: center; justify-content: center; flex: none; line-height: 0; }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; padding: var(--sp-2); width: 38px; height: 38px; flex: none; }

.sidebar-footer { margin-top: auto; color: var(--muted); font-size: var(--fs-xs); padding: 0 var(--sp-2); }
.status-dot { display:inline-block; width:8px; height:8px; border-radius:50%; margin-right:6px; }
.status-dot.on { background: var(--success); box-shadow: 0 0 8px var(--success); }
.status-dot.off { background: var(--danger); box-shadow: 0 0 8px var(--danger); }

/* ---------- Main ---------- */
.main { padding: var(--sp-8) var(--sp-8) var(--sp-12); max-width: 1180px; }
.page { display: none; animation: fadeIn .28s var(--ease); }
.page.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px);} to { opacity:1; transform:none; } }

.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--sp-6); margin-bottom: var(--sp-8); flex-wrap: wrap; }
.page-head h1 { font-size: var(--fs-3xl); letter-spacing: -.03em; margin-bottom: var(--sp-2); }
.page-head p { color: var(--muted); margin: 0; max-width: 60ch; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: var(--fs-xs); color: var(--accent); font-weight: 700; margin: 0 0 var(--sp-2); }

/* ---------- Stat cards ---------- */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: var(--sp-4); margin-bottom: var(--sp-8); }
.stat-card { padding: var(--sp-4) var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-2); }
.stat-top { display:flex; align-items:center; justify-content:space-between; color: var(--muted); font-size: var(--fs-sm); }
.stat-top svg { color: var(--primary); }
.stat-value { font-family: var(--font-display); font-size: var(--fs-2xl); font-weight: 800; letter-spacing: -.02em; }
.stat-sub { color: var(--muted); font-size: var(--fs-xs); }

/* ---------- Models page ---------- */
.toolbar { display: flex; gap: var(--sp-3); align-items: center; margin-bottom: var(--sp-6); flex-wrap: wrap; }
.search-box { position: relative; flex: 1; min-width: 220px; }
.search-box svg { position: absolute; left: var(--sp-3); top: 50%; transform: translateY(-50%); color: var(--muted); }
.search-box input { width: 100%; padding-left: 38px; }
.chip-row { display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.chip {
  border: 1px solid var(--border); background: var(--surface-2); color: var(--muted); font-size: var(--fs-sm);
  padding: var(--sp-1) var(--sp-3); border-radius: var(--r-full); font-weight: 600;
}
.chip:hover { color: var(--text); }
.chip.active { background: var(--primary); color: var(--primary-ink); border-color: transparent; }

.model-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: var(--sp-4); }
.model-card { display: flex; flex-direction: column; gap: var(--sp-3); position: relative; }
.model-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--sp-2); }
.model-name { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-lg); letter-spacing: -.01em; }
.model-provider { color: var(--muted); font-size: var(--fs-sm); margin-top: 2px; }
.compare-check { display: flex; align-items: center; gap: var(--sp-2); font-size: var(--fs-xs); color: var(--muted); cursor: pointer; user-select: none; }
.compare-check input { accent-color: var(--primary); width: 16px; height: 16px; }
.model-tags { display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.tag {
  font-size: var(--fs-xs); font-weight: 700; padding: 3px var(--sp-2); border-radius: var(--r-sm);
  background: rgba(124,108,255,.14); color: #c9c2ff; border: 1px solid rgba(124,108,255,.28);
}
.model-meta { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2) var(--sp-4); font-size: var(--fs-sm); border-top: 1px solid var(--border); padding-top: var(--sp-3); margin-top: var(--sp-1); }
.model-meta .k { color: var(--muted); }
.model-meta .v { font-weight: 700; text-align: right; }
.model-actions { display: flex; gap: var(--sp-2); margin-top: var(--sp-1); }
.model-actions button { flex: 1; font-size: var(--fs-sm); padding: var(--sp-2); }

.compare-bar {
  position: sticky; bottom: var(--sp-4); margin-top: var(--sp-6); display: flex; align-items: center; gap: var(--sp-4);
  background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: var(--r-lg);
  padding: var(--sp-3) var(--sp-4); box-shadow: var(--shadow-md); flex-wrap: wrap;
}
.compare-bar.hidden { display: none; }
.compare-bar strong { color: var(--primary); }
.compare-table-wrap { overflow-x: auto; margin-top: var(--sp-4); }
table.compare-table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.compare-table th, .compare-table td { padding: var(--sp-3); border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
.compare-table th { color: var(--muted); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .06em; }

/* ---------- API page ---------- */
.two-col { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--sp-6); align-items: start; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: var(--sp-2); margin-bottom: var(--sp-4); }
.field label { font-size: var(--fs-sm); font-weight: 600; color: var(--muted); }
.field-row { display: flex; gap: var(--sp-2); }
.field-row input { flex: 1; }
.hint { color: var(--muted); font-size: var(--fs-xs); margin-top: var(--sp-1); }
.conn-status { display: flex; align-items: center; gap: var(--sp-2); font-weight: 700; font-size: var(--fs-sm); padding: var(--sp-3); border-radius: var(--r-md); background: var(--surface-2); border: 1px solid var(--border); margin-bottom: var(--sp-4); }
.conn-status.ok { color: var(--success); border-color: rgba(55,214,122,.3); }
.conn-status.bad { color: var(--danger); border-color: rgba(255,84,112,.3); }
.security-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--sp-3); }
.security-list li { display: flex; gap: var(--sp-3); align-items: flex-start; color: var(--muted); font-size: var(--fs-sm); }
.security-list svg { color: var(--success); flex: none; margin-top: 2px; }
.preset-list { display: flex; gap: var(--sp-2); flex-wrap: wrap; }

/* ---------- Workspace page ---------- */
.workspace-grid { display: grid; grid-template-columns: 260px 1fr 260px; gap: var(--sp-4); height: calc(100vh - 220px); min-height: 480px; }
@media (max-width: 1100px) { .workspace-grid { grid-template-columns: 1fr; height: auto; } }
.conv-panel { display: flex; flex-direction: column; gap: var(--sp-3); padding: var(--sp-4); overflow: hidden; }
.conv-panel h3 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0; }
.conv-list { display: flex; flex-direction: column; gap: var(--sp-1); overflow-y: auto; flex: 1; }
.conv-item {
  padding: var(--sp-2) var(--sp-3); border-radius: var(--r-md); cursor: pointer; font-size: var(--fs-sm);
  color: var(--muted); border: 1px solid transparent; display: flex; justify-content: space-between; align-items: center; gap: var(--sp-2);
}
.conv-item:hover { background: var(--surface-2); color: var(--text); }
.conv-item.active { background: var(--surface-2); border-color: var(--border-strong); color: var(--text); }
.conv-item .del-conv { opacity: 0; background: transparent; border: none; padding: 2px; color: var(--muted); }
.conv-item:hover .del-conv { opacity: 1; }
.conv-item .del-conv:hover { color: var(--danger); }
.conv-title-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.chat-panel { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.chat-head { display: flex; align-items: center; justify-content: space-between; padding: var(--sp-4); border-bottom: 1px solid var(--border); gap: var(--sp-3); flex-wrap: wrap; }
.chat-head select { min-width: 200px; }
.chat-messages { flex: 1; overflow-y: auto; padding: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-4); }
.msg { max-width: 78%; padding: var(--sp-3) var(--sp-4); border-radius: var(--r-lg); font-size: var(--fs-sm); line-height: 1.6; animation: fadeIn .22s var(--ease); }
.msg.user { align-self: flex-end; background: linear-gradient(135deg, var(--primary), #d99a2b); color: var(--primary-ink); font-weight: 500; border-bottom-right-radius: var(--r-sm); }
.msg.assistant { align-self: flex-start; background: var(--surface-2); border: 1px solid var(--border); border-bottom-left-radius: var(--r-sm); }
.msg-meta { margin-top: var(--sp-2); font-size: var(--fs-xs); opacity: .65; display: flex; gap: var(--sp-3); flex-wrap: wrap; }
.msg.assistant.pending { display: flex; gap: 6px; align-items: center; }
.typing-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); animation: bounce 1s infinite ease-in-out; }
.typing-dot:nth-child(2) { animation-delay: .15s; } .typing-dot:nth-child(3) { animation-delay: .3s; }
@keyframes bounce { 0%,80%,100% { transform: translateY(0); opacity:.5; } 40% { transform: translateY(-4px); opacity:1; } }

.chat-input-row { border-top: 1px solid var(--border); padding: var(--sp-4); display: flex; gap: var(--sp-3); align-items: flex-end; }
.chat-input-row textarea { flex: 1; resize: none; min-height: 44px; max-height: 140px; font-family: var(--font-body); }
.chat-empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--sp-3); color: var(--muted); text-align: center; padding: var(--sp-8); }
.chat-empty svg { color: var(--accent); opacity: .8; }

.side-panel { display: flex; flex-direction: column; gap: var(--sp-4); padding: var(--sp-4); overflow-y: auto; }
.side-panel h3 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0; }
.mini-stat { display: flex; justify-content: space-between; font-size: var(--fs-sm); padding: var(--sp-2) 0; border-bottom: 1px solid var(--border); }
.mini-stat span:last-child { font-weight: 700; }

/* ---------- Routing page ---------- */
.rule-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: var(--sp-4); margin-bottom: var(--sp-8); }
.rule-card { cursor: pointer; text-align: left; display: flex; flex-direction: column; gap: var(--sp-3); border: 1px solid var(--border); }
.rule-card svg { color: var(--primary); }
.rule-card h3 { margin: 0; }
.rule-card p { margin: 0; color: var(--muted); font-size: var(--fs-sm); }
.rule-card.selected { border-color: var(--primary); box-shadow: var(--shadow-glow); background: var(--surface-2); }
.rule-pick-badge { font-size: var(--fs-xs); font-weight: 700; color: var(--primary); display:flex; align-items:center; gap:4px; }

.pick-result { display: flex; align-items: center; gap: var(--sp-4); padding: var(--sp-6); }
.pick-result .pick-icon { width: 56px; height: 56px; border-radius: var(--r-md); background: linear-gradient(135deg, var(--primary), var(--accent)); display: grid; place-items: center; color: var(--primary-ink); flex: none; }
.pick-result h3 { margin: 0 0 4px; }
.pick-result p { margin: 0; color: var(--muted); font-size: var(--fs-sm); }

/* ---------- Skeleton ---------- */
.skeleton { background: linear-gradient(90deg, var(--surface-2) 25%, var(--border-strong) 37%, var(--surface-2) 63%); background-size: 400% 100%; animation: shimmer 1.4s ease infinite; border-radius: var(--r-md); }
@keyframes shimmer { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }
.skeleton-card { height: 168px; }

/* ---------- Empty state ---------- */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--sp-3); padding: var(--sp-12) var(--sp-6); color: var(--muted); text-align: center; }
.empty-state svg { color: var(--accent); opacity: .7; }
.empty-state .btn-primary { margin-top: var(--sp-2); }

/* ---------- Misc ---------- */
.badge-key { font-family: monospace; font-size: var(--fs-xs); background: var(--surface-2); padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border); }
.mobile-nav { display: none; }
@media (max-width: 760px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .main { padding: var(--sp-4); }
  .mobile-nav { display: flex; gap: var(--sp-2); overflow-x: auto; padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--bg); z-index: 50; }
  .mobile-nav button { white-space: nowrap; font-size: var(--fs-sm); }
}