:root {
  --bg: #14131a; --panel: #1e1c28; --panel2: #262333; --ink: #e9e6f2; --muted: #9b95b3;
  --accent: #b07cff; --accent2: #7c5cff; --line: #332f43; --danger: #ff6b6b;
  --basic: #8d8aa0; --common: #d7d4e6; --uncommon: #5fd0a8; --rare: #ffd166;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.spacer { flex: 1; }

header { border-bottom: 1px solid var(--line); padding: 14px 22px; }
.brand { font-size: 19px; }
.brand .sub { color: var(--muted); font-size: 13px; margin-left: 6px; }
nav { display: flex; align-items: center; gap: 8px; margin-top: 12px; }
.tab {
  background: none; border: none; color: var(--muted); padding: 6px 12px;
  border-radius: 8px; cursor: pointer; font-size: 14px;
}
.tab.active { background: var(--panel2); color: var(--ink); }
.who { color: var(--muted); font-size: 13px; margin-right: 8px; }

main, section.card, #gate { max-width: 760px; margin: 22px auto; padding: 0 18px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 20px; margin: 18px auto;
}
h1 { font-size: 26px; margin: 6px 0 10px; }
h2 { margin: 0 0 8px; }
.lbl { display: block; font-weight: 600; margin-bottom: 6px; }
.lbl.small { font-size: 13px; font-weight: 500; color: var(--muted); margin-top: 14px; }

textarea, .in {
  width: 100%; background: var(--panel2); color: var(--ink); border: 1px solid var(--line);
  border-radius: 10px; padding: 11px 13px; font: inherit; resize: vertical;
}
.in { margin-bottom: 8px; }
input[type="range"] { width: 100%; accent-color: var(--accent); }

.btn, .ghost {
  display: inline-block; cursor: pointer; border: 1px solid var(--line); background: var(--panel2);
  color: var(--ink); padding: 10px 18px; border-radius: 10px; font: inherit; text-decoration: none;
  margin-top: 12px;
}
.btn.primary, a.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2)); border: none; color: white; font-weight: 600;
}
.btn:disabled { opacity: .5; cursor: default; }
.ghost { background: none; }
.danger { color: var(--danger); border-color: #4a2630; background: none; }

.settings { margin: 14px 0; border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; }
.settings summary { cursor: pointer; color: var(--muted); }
.modes { display: flex; flex-wrap: wrap; gap: 14px; margin: 12px 0; }
.modes label { font-size: 14px; }
.hint { font-size: 12px; color: var(--muted); margin: 6px 0 0; }
.model-row { display: flex; gap: 8px; align-items: stretch; }
.model-row #model { flex: 1; margin-bottom: 0; }
.model-row #load-models { margin-top: 0; white-space: nowrap; }

.log {
  background: #100f16; border: 1px solid var(--line); border-radius: 10px; padding: 12px;
  max-height: 240px; overflow-y: auto; white-space: pre-wrap; font: 13px/1.5 ui-monospace, monospace;
  color: #bdb7d6;
}
.spin { display: inline-block; animation: spin 1s linear infinite; color: var(--accent); }
@keyframes spin { to { transform: rotate(360deg); } }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; margin: 14px 0; }
.cardchip { background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 10px; border-left: 3px solid var(--common); }
.cardchip.r-basic { border-left-color: var(--basic); }
.cardchip.r-common { border-left-color: var(--common); }
.cardchip.r-uncommon { border-left-color: var(--uncommon); }
.cardchip.r-rare { border-left-color: var(--rare); }
.cc-top { display: flex; justify-content: space-between; font-weight: 600; }
.cc-cost { color: var(--accent); }
.cc-meta { font-size: 12px; color: var(--muted); margin: 3px 0; text-transform: capitalize; }
.cc-eff { font-size: 12px; color: #c8c3df; }

.codebox { margin-top: 14px; }
.codebox textarea { font: 12px/1.4 ui-monospace, monospace; word-break: break-all; }

.lib { list-style: none; padding: 0; margin: 0; }
.lib-row { display: flex; gap: 12px; align-items: flex-start; justify-content: space-between;
  border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; background: var(--panel2); }
.lr-name { font-weight: 600; margin-right: 10px; }
.lr-meta { font-size: 12px; color: var(--muted); }
.lr-concept { font-size: 13px; margin-top: 4px; max-width: 420px; }
.lr-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.lr-actions button { font-size: 12px; padding: 6px 10px; margin: 0; border-radius: 8px; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line); color: var(--ink); }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--accent2); color: white; padding: 11px 18px; border-radius: 10px;
  box-shadow: 0 6px 20px rgba(0,0,0,.4); z-index: 50;
}