/* GLM vLLM Tester — theme (navy accent, borders not shadows; auto/light/dark)
   pattern สีจาก kt-english-coach */
:root {
  --bg: #ffffff; --panel: #f7f8fa; --ink: #1a2332; --muted: #5b6472;
  --border: #d9dee6; --accent: #1e40af; --accent-soft: #e8edfb;
  --ok: #15803d; --warn: #b45309; --danger: #b91c1c;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
:root[data-theme="dark"], :root:not([data-theme="light"]) {
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e131b; --panel: #161d28; --ink: #e6ebf2; --muted: #9aa6b6;
    --border: #2a3442; --accent: #7c9cff; --accent-soft: #1b2436;
    --ok: #4ade80; --warn: #fbbf24; --danger: #f87171;
  }
}
:root[data-theme="dark"] {
  --bg: #0e131b; --panel: #161d28; --ink: #e6ebf2; --muted: #9aa6b6;
  --border: #2a3442; --accent: #7c9cff; --accent-soft: #1b2436;
  --ok: #4ade80; --warn: #fbbf24; --danger: #f87171;
}

* { box-sizing: border-box; }
html { font-size: 16px; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--ink); line-height: 1.5; }

/* topbar */
.topbar { display: flex; align-items: center; gap: 16px; padding: 12px 20px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.logo { font-family: Georgia, serif; font-weight: 700; font-size: 20px; letter-spacing: -0.02em; }
.logo .accent { color: var(--accent); }
#nav { display: flex; gap: 4px; }
#nav button { background: none; border: 1px solid transparent; color: var(--muted); padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 14px; }
#nav button:hover { color: var(--ink); background: var(--panel); }
#nav button.active { color: var(--accent); border-color: var(--border); background: var(--accent-soft); }
.topbar-right { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.theme-sel, .model-sel { background: var(--bg); color: var(--ink); border: 1px solid var(--border); border-radius: 6px; padding: 5px 8px; font-size: 13px; }
.ghost { background: none; border: 1px solid var(--border); color: var(--muted); padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 13px; }
.ghost:hover { color: var(--ink); }

/* cost bar */
.cost-bar { background: color-mix(in srgb, var(--warn) 14%, var(--bg)); border-bottom: 1px solid var(--warn); color: var(--ink); padding: 8px 20px; font-size: 13px; }

main { max-width: 1100px; margin: 0 auto; padding: 24px 20px 64px; }
h1 { font-family: Georgia, serif; font-size: 26px; margin: 0 0 12px; }
.head-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.hint { color: var(--muted); font-size: 13px; margin: 4px 0 16px; }
.msg { color: var(--danger); font-size: 13px; }

/* login */
.card { border: 1px solid var(--border); border-radius: 10px; padding: 20px; background: var(--panel); }
.card.narrow { max-width: 420px; margin: 48px auto; }
.login-mark { font-family: Georgia, serif; font-weight: 700; font-size: 22px; margin: 0; }
.login-mark span { color: var(--accent); }
.login-tag { color: var(--muted); font-size: 13px; margin: 4px 0 16px; }
form label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }
form input, textarea { width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--ink); font-size: 14px; font-family: var(--font); }
form input:focus, textarea:focus { outline: none; border-color: var(--accent); }
button.primary, #loginBtn { background: var(--accent); color: #fff; border: none; padding: 10px 16px; border-radius: 6px; cursor: pointer; font-size: 14px; margin-top: 16px; }
button.primary:hover, #loginBtn:hover { filter: brightness(1.08); }
button.primary:disabled { opacity: 0.5; cursor: default; }
button.danger { background: color-mix(in srgb, var(--danger) 12%, var(--bg)); color: var(--danger); border: 1px solid var(--danger); padding: 8px 14px; border-radius: 6px; cursor: pointer; font-size: 14px; }
button.danger:disabled { opacity: 0.4; cursor: default; }

/* model grid */
.model-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.model-card { border: 1px solid var(--border); border-radius: 10px; padding: 16px; background: var(--panel); display: flex; flex-direction: column; gap: 8px; }
.mc-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.mc-name { font-family: var(--mono); font-weight: 600; font-size: 15px; }
.mc-kind { font-size: 11px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.mc-kind.kind-vision { color: var(--accent); border-color: var(--accent); }
.mc-kind.kind-reasoning { color: var(--warn); border-color: var(--warn); }
.mc-model { font-family: var(--mono); font-size: 12px; color: var(--muted); word-break: break-all; }
.mc-specs { display: flex; flex-wrap: wrap; gap: 6px; }
.spec { font-size: 11px; padding: 2px 8px; border-radius: 6px; background: var(--bg); border: 1px solid var(--border); color: var(--muted); }
.mc-status { display: flex; align-items: center; gap: 8px; font-size: 13px; margin-top: 4px; }
.mc-status .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); flex: none; }
.state-ready .dot { background: var(--ok); }
.state-starting .dot, .state-loading .dot { background: var(--warn); animation: pulse 1.2s infinite; }
.state-stopped .dot { background: var(--muted); }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.cost-badge { margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--warn); }
.mc-actions { display: flex; gap: 8px; margin-top: 8px; }
.mc-actions button { margin-top: 0; flex: 1; }

/* chat / vision */
.chat-log { border: 1px solid var(--border); border-radius: 10px; background: var(--panel); padding: 14px; min-height: 200px; max-height: 52vh; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }
.bubble { padding: 9px 13px; border-radius: 10px; max-width: 85%; white-space: pre-wrap; word-break: break-word; font-size: 14px; }
.bubble.me { align-self: flex-end; background: var(--accent-soft); border: 1px solid var(--border); }
.bubble.ai { align-self: flex-start; background: var(--bg); border: 1px solid var(--border); }
.chat-form { display: flex; gap: 8px; align-items: flex-end; }
.chat-form textarea { flex: 1; resize: vertical; }
.chat-form button { margin-top: 0; }
.vision-row { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.upload { border: 1px dashed var(--border); border-radius: 8px; padding: 10px 16px; cursor: pointer; color: var(--muted); font-size: 13px; }
.upload:hover { border-color: var(--accent); color: var(--ink); }
#visionPreview { max-height: 120px; max-width: 200px; border-radius: 8px; border: 1px solid var(--border); }

/* use case ต่อโมเดล (บอกว่ารองรับงานอะไร) */
.mc-tasks { border-top: 1px solid var(--border); padding-top: 8px; margin-top: 2px; }
.tasks-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.task-chips { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.task { font-size: 11px; padding: 3px 8px; border-radius: 6px; background: var(--accent-soft); color: var(--accent); border: 1px solid var(--border); }
.spec-cap { font-family: var(--mono); }

/* compare mode (เทียบหลายโมเดล) */
.chat-tools { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cmp-toggle { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); cursor: pointer; border: 1px solid var(--border); border-radius: 6px; padding: 5px 10px; }
.cmp-toggle:hover { color: var(--ink); }
.cmp-toggle input { width: auto; margin: 0; }
.cmp-pick { border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; background: var(--panel); margin-bottom: 12px; }
.cmp-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.cmp-chip { display: flex; align-items: center; gap: 6px; font-size: 13px; font-family: var(--mono); border: 1px solid var(--border); border-radius: 999px; padding: 5px 12px; cursor: pointer; background: var(--bg); }
.cmp-chip:hover { border-color: var(--accent); }
.cmp-chip input { width: auto; margin: 0; }
.cmp-chip.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.cmp-warn { font-size: 12px; color: var(--warn); margin: 10px 0 0; }
.cmp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; margin-bottom: 12px; }
.cmp-col { border: 1px solid var(--border); border-radius: 10px; background: var(--panel); display: flex; flex-direction: column; min-height: 220px; max-height: 52vh; }
.cmp-head { display: flex; align-items: baseline; gap: 8px; padding: 10px 12px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.cmp-name { font-family: var(--mono); font-weight: 600; font-size: 14px; }
.cmp-spec { font-size: 11px; color: var(--muted); }
.cmp-stat { margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--muted); }
.cmp-stat.best { color: var(--ok); font-weight: 600; }
.cmp-body { padding: 12px; overflow-y: auto; white-space: pre-wrap; word-break: break-word; font-size: 14px; flex: 1; }
.cmp-body.err { color: var(--danger); }
.cmp-q { border: 1px solid var(--border); border-radius: 10px; background: var(--accent-soft); padding: 9px 13px; font-size: 14px; margin-bottom: 12px; white-space: pre-wrap; }

/* toast */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 8px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity 0.2s, transform 0.2s; z-index: 50; max-width: 90vw; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 560px) {
  main { padding: 16px 14px 48px; }
  .model-grid { grid-template-columns: 1fr; }
}