/* ═══════════════════════════════════════════════════════════════════
   AgentHub 控制台 — 樣式

   設計原則：成熟 AI 系統的質感。近黑底、極細邊框、克制的單一強調色，
   資料用等寬字呈現，狀態用色語義化而非裝飾化。
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --bg:        #0a0a0c;
  --bg-soft:   #0e0e11;
  --panel:     #131317;
  --panel-2:   #17171c;
  --panel-3:   #1c1c22;
  --border:    rgba(255,255,255,.07);
  --border-2:  rgba(255,255,255,.12);
  --text:      #ececed;
  --text-2:    #a8a8b3;
  --muted:     #6f6f7b;

  --accent:      #2dd4bf;
  --accent-soft: rgba(45,212,191,.13);
  --accent-line: rgba(45,212,191,.32);

  --ok:      #4ade80;  --ok-soft:   rgba(74,222,128,.13);
  --warn:    #fbbf24;  --warn-soft: rgba(251,191,36,.13);
  --danger:  #f87171;  --danger-soft: rgba(248,113,113,.13);
  --info:    #818cf8;  --info-soft: rgba(129,140,248,.13);

  --r:   10px;
  --r-lg: 14px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK",
          "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }

/* 背景極淡的徑向光暈，避免純黑死板 */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(45,212,191,.07), transparent 60%),
    radial-gradient(700px 400px at 95% 0%, rgba(129,140,248,.05), transparent 55%);
  pointer-events: none; z-index: 0;
}

.app { position: relative; z-index: 1; display: flex; min-height: 100vh; }

/* ── 側欄 ─────────────────────────────────────────────────────── */
.sidebar {
  width: 236px; flex: 0 0 236px;
  background: linear-gradient(180deg, var(--bg-soft), var(--bg));
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}

.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 18px 18px;
  border-bottom: 1px solid var(--border);
}
.brand-mark {
  width: 30px; height: 30px; flex: 0 0 30px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: linear-gradient(145deg, var(--accent), #0d9488);
  color: #04211d; font-weight: 800; font-size: 15px;
  box-shadow: 0 0 0 1px rgba(45,212,191,.35), 0 6px 18px -8px rgba(45,212,191,.6);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text b { font-size: 14.5px; letter-spacing: .2px; }
.brand-text small { color: var(--muted); font-size: 10.5px; letter-spacing: .8px; text-transform: uppercase; }

.nav { flex: 1; padding: 14px 10px; overflow-y: auto; }
.nav-group {
  color: var(--muted); font-size: 10px; letter-spacing: 1.1px; text-transform: uppercase;
  padding: 14px 8px 6px; font-weight: 600;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 8px;
  color: var(--text-2); cursor: pointer; font-size: 13.5px;
  transition: background .13s, color .13s;
}
.nav-item i { font-style: normal; width: 16px; text-align: center; color: var(--muted); font-size: 13px; }
.nav-item:hover { background: var(--panel); color: var(--text); }
.nav-item.active { background: var(--accent-soft); color: var(--text); box-shadow: inset 0 0 0 1px var(--accent-line); }
.nav-item.active i { color: var(--accent); }

.sidebar-foot { padding: 12px 16px 16px; border-top: 1px solid var(--border); font-size: 11.5px; }
.foot-row { display: flex; align-items: center; gap: 7px; color: var(--text-2); }
.foot-meta { color: var(--muted); margin-top: 4px; font-family: var(--mono); font-size: 10.5px; }

.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); flex: 0 0 7px; }
.dot.ok { background: var(--ok); box-shadow: 0 0 8px rgba(74,222,128,.7); }
.dot.bad { background: var(--danger); box-shadow: 0 0 8px rgba(248,113,113,.7); }

/* ── 主區 ─────────────────────────────────────────────────────── */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 20px;
  flex-wrap: wrap;
  padding: 22px 30px 18px; border-bottom: 1px solid var(--border);
  background: rgba(10,10,12,.72); backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 20;
}
.topbar h1 { margin: 0; font-size: 19px; font-weight: 650; letter-spacing: -.2px; }
.view-sub { margin: 3px 0 0; color: var(--muted); font-size: 12.5px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }

.field-inline { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; }
.field-inline input {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 10px; width: 130px;
  font-family: var(--mono); font-size: 12px;
}
.field-inline input:focus { outline: none; border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }

.btn {
  border: 1px solid var(--border-2); background: var(--panel-2);
  padding: 7px 13px; border-radius: 8px; cursor: pointer;
  font-size: 12.5px; color: var(--text-2);
  transition: background .13s, border-color .13s, color .13s, transform .08s;
}
.btn:hover { background: var(--panel-3); color: var(--text); border-color: var(--border-2); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(180deg, var(--accent), #14b8a6);
  border-color: transparent; color: #04211d; font-weight: 620;
}
.btn-primary:hover { background: linear-gradient(180deg, #5eead4, var(--accent)); color: #04211d; }
.btn-ghost { background: transparent; }
.btn-sm { padding: 4px 9px; font-size: 11.5px; border-radius: 7px; }

.view { padding: 26px 30px 40px; flex: 1; animation: fade .22s ease both; }
@keyframes fade { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }

/* ── 卡片與版面 ───────────────────────────────────────────────── */
.grid { display: grid; gap: 14px; }
.g2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
@media (max-width: 1180px) { .g4 { grid-template-columns: repeat(2,minmax(0,1fr)); } .g3 { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media (max-width: 900px)  { .g2, .g3, .g4 { grid-template-columns: minmax(0,1fr); } }

.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 16px 18px;
}
.card-tight { padding: 13px 15px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.card-title { font-size: 13px; font-weight: 620; color: var(--text); margin: 0; letter-spacing: .1px; }
.card-note { color: var(--muted); font-size: 11.5px; }

.section-head { margin: 30px 0 12px; display: flex; align-items: baseline; justify-content: space-between; gap: 14px; }
.section-head:first-child { margin-top: 4px; }
.eyebrow {
  color: var(--accent); font-size: 10px; letter-spacing: 1.4px; text-transform: uppercase;
  font-weight: 700; margin: 0 0 4px;
}
.section-head h2 { margin: 0; font-size: 15.5px; font-weight: 640; }

/* 統計磚 */
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 15px 16px; }
.stat-label { color: var(--muted); font-size: 11px; letter-spacing: .4px; text-transform: uppercase; }
.stat-value { font-size: 26px; font-weight: 680; letter-spacing: -.6px; margin: 5px 0 2px; font-variant-numeric: tabular-nums; }
.stat-sub { color: var(--muted); font-size: 11.5px; }
.stat-value.accent { color: var(--accent); }
.stat-value.ok { color: var(--ok); }
.stat-value.warn { color: var(--warn); }
.stat-value.danger { color: var(--danger); }

/* ── 徽章 ─────────────────────────────────────────────────────── */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 560; line-height: 1.7;
  border: 1px solid var(--border-2); background: var(--panel-2); color: var(--text-2);
  white-space: nowrap;
}
.pill.ok      { background: var(--ok-soft);     border-color: rgba(74,222,128,.3);  color: #86efac; }
.pill.warn    { background: var(--warn-soft);   border-color: rgba(251,191,36,.3);  color: #fcd34d; }
.pill.danger  { background: var(--danger-soft); border-color: rgba(248,113,113,.3); color: #fca5a5; }
.pill.info    { background: var(--info-soft);   border-color: rgba(129,140,248,.3); color: #a5b4fc; }
.pill.accent  { background: var(--accent-soft); border-color: var(--accent-line);   color: #5eead4; }
.pill.mono { font-family: var(--mono); font-size: 10.5px; }

/* 工具權限層級：三級用同一組語義色，跨頁一致 */
.tier { font-family: var(--mono); font-size: 10px; padding: 1px 7px; border-radius: 5px; font-weight: 600; }
.tier.read  { background: rgba(129,140,248,.14); color: #a5b4fc; }
.tier.draft { background: rgba(251,191,36,.14);  color: #fcd34d; }
.tier.act   { background: rgba(248,113,113,.16); color: #fca5a5; }

/* ── 表格 ─────────────────────────────────────────────────────── */
.tbl { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.tbl th {
  text-align: left; color: var(--muted); font-weight: 560; font-size: 10.5px;
  letter-spacing: .7px; text-transform: uppercase;
  padding: 8px 10px; border-bottom: 1px solid var(--border);
}
.tbl td { padding: 10px; border-bottom: 1px solid rgba(255,255,255,.04); vertical-align: middle; }
.tbl tbody tr:hover { background: rgba(255,255,255,.022); }
.tbl tbody tr:last-child td { border-bottom: none; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.wrap { overflow-x: auto; }

/* ── 表單 ─────────────────────────────────────────────────────── */
.form { display: grid; gap: 13px; }
.form-row { display: grid; gap: 6px; }
.form-row label { color: var(--text-2); font-size: 12px; font-weight: 540; }
.form-row .hint { color: var(--muted); font-size: 11px; }
input[type=text], input[type=number], select, textarea {
  background: var(--bg-soft); border: 1px solid var(--border-2);
  border-radius: 9px; padding: 9px 11px; width: 100%;
  transition: border-color .13s, box-shadow .13s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { resize: vertical; min-height: 84px; line-height: 1.6; }
select { cursor: pointer; }
.form-actions { display: flex; gap: 9px; align-items: center; flex-wrap: wrap; }

/* ── 模組／清單項 ─────────────────────────────────────────────── */
.row-list { display: grid; gap: 8px; }
.row-item {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 11px 13px; border: 1px solid var(--border); border-radius: var(--r);
  background: var(--panel-2); transition: border-color .13s, background .13s;
}
.row-item:hover { border-color: var(--border-2); background: var(--panel-3); }
.row-main { min-width: 0; }
.row-title { font-size: 13px; font-weight: 560; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row-meta { color: var(--muted); font-size: 11.5px; margin-top: 2px; }

/* 模組卡（能力註冊表用） */
.mod {
  border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--panel); padding: 15px 16px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color .15s, transform .15s;
}
.mod:hover { border-color: var(--border-2); transform: translateY(-1px); }
.mod-top { display: flex; align-items: center; gap: 9px; }
.mod-badge {
  width: 26px; height: 26px; flex: 0 0 26px; border-radius: 7px;
  display: grid; place-items: center; font-family: var(--mono); font-size: 12px; font-weight: 700;
  background: var(--panel-3); border: 1px solid var(--border-2); color: var(--text-2);
}
.mod-badge.licensed { background: var(--accent-soft); border-color: var(--accent-line); color: #5eead4; }
.mod-name { font-size: 14px; font-weight: 620; }
.mod-pills { display: flex; flex-wrap: wrap; gap: 5px; }
.mod-tools { display: flex; flex-wrap: wrap; gap: 5px; padding-top: 8px; border-top: 1px solid var(--border); }

/* ── 對話 ─────────────────────────────────────────────────────── */
.chat-shell { display: grid; grid-template-columns: 260px minmax(0,1fr); gap: 14px; }
@media (max-width: 900px) { .chat-shell { grid-template-columns: minmax(0,1fr); } }
.agent-list { display: grid; gap: 6px; max-height: 420px; overflow-y: auto; }
.agent-item {
  padding: 9px 11px; border: 1px solid var(--border); border-radius: 9px;
  background: var(--panel-2); cursor: pointer; transition: border-color .13s, background .13s;
}
.agent-item:hover { border-color: var(--border-2); background: var(--panel-3); }
.agent-item.active { border-color: var(--accent-line); background: var(--accent-soft); }
.agent-item b { font-size: 12.5px; font-weight: 560; display: block; }
.agent-item small { color: var(--muted); font-size: 10.5px; font-family: var(--mono); }

.thread { display: grid; gap: 12px; min-height: 260px; max-height: 560px; overflow-y: auto; padding: 4px 2px; }
.msg { border: 1px solid var(--border); border-radius: var(--r-lg); padding: 12px 14px; background: var(--panel); }
.msg.user { background: var(--panel-2); }
.msg-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 7px; }
.msg-role { font-size: 11px; letter-spacing: .8px; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.msg-body { white-space: pre-wrap; word-break: break-word; font-size: 13px; line-height: 1.72; }
.msg-meta { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; padding-top: 9px; border-top: 1px solid var(--border); }
.composer { display: flex; gap: 9px; margin-top: 12px; align-items: flex-end; }
.composer textarea { min-height: 62px; }

/* ── 程式碼／雜湊 ─────────────────────────────────────────────── */
.code {
  font-family: var(--mono); font-size: 11.5px; background: var(--bg-soft);
  border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
  overflow-x: auto; white-space: pre; color: var(--text-2); line-height: 1.6;
}
.hash { font-family: var(--mono); font-size: 10.5px; color: var(--muted); }

/* ── 進度條 ───────────────────────────────────────────────────── */
.bar { height: 6px; border-radius: 999px; background: var(--panel-3); overflow: hidden; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), #0d9488); border-radius: 999px; transition: width .5s ease; }
.bar.warn > i { background: linear-gradient(90deg, var(--warn), #d97706); }
.bar.danger > i { background: linear-gradient(90deg, var(--danger), #dc2626); }

/* ── 稽核鏈視覺 ───────────────────────────────────────────────── */
.chain { display: flex; flex-direction: column; gap: 0; }
.chain-node { display: grid; grid-template-columns: 52px 20px minmax(0,1fr); align-items: stretch; gap: 0; }
.chain-seq { font-family: var(--mono); font-size: 11px; color: var(--muted); padding: 11px 0; text-align: right; }
.chain-rail { position: relative; display: grid; place-items: center; }
.chain-rail::before { content: ""; position: absolute; top: 0; bottom: 0; width: 1px; background: var(--border-2); }
.chain-node:first-child .chain-rail::before { top: 50%; }
.chain-node:last-child  .chain-rail::before { bottom: 50%; }
.chain-rail > i { position: relative; z-index: 1; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--bg), 0 0 10px rgba(45,212,191,.55); }
.chain-body { padding: 9px 0 9px 14px; min-width: 0; }
.chain-title { font-size: 12.5px; font-weight: 560; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.chain-sub { color: var(--muted); font-size: 11px; font-family: var(--mono); margin-top: 2px; overflow-wrap: anywhere; }

/* ── 空狀態／載入 ─────────────────────────────────────────────── */
.empty { text-align: center; padding: 34px 20px; color: var(--muted); }
.empty b { display: block; color: var(--text-2); font-size: 13.5px; margin-bottom: 5px; font-weight: 560; }
.empty small { font-size: 12px; }

.skeleton { height: 74px; border-radius: var(--r-lg); border: 1px solid var(--border); background: linear-gradient(90deg, var(--panel) 25%, var(--panel-2) 37%, var(--panel) 63%); background-size: 400% 100%; animation: shimmer 1.3s ease infinite; }
@keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: 0 0; } }

/* ── Toast ────────────────────────────────────────────────────── */
.toast {
  position: fixed; right: 22px; bottom: 22px; z-index: 100;
  background: var(--panel-3); border: 1px solid var(--border-2);
  border-radius: var(--r); padding: 11px 15px; font-size: 12.5px;
  max-width: 420px; box-shadow: 0 16px 40px -12px rgba(0,0,0,.85);
  opacity: 0; transform: translateY(8px); pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: none; }
.toast.ok { border-color: rgba(74,222,128,.4); }
.toast.err { border-color: rgba(248,113,113,.45); }

/* ── 頁尾 ─────────────────────────────────────────────────────── */
.foot {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 30px 22px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: 11.5px; flex-wrap: wrap;
}
.foot b { color: var(--text-2); font-weight: 560; }
.foot-links { display: flex; gap: 14px; }
.foot-links a:hover { color: var(--accent); }

/* ── 手機 ─────────────────────────────────────────────────────── */
@media (max-width: 760px) {
  .sidebar { position: fixed; z-index: 60; transform: translateX(-100%); transition: transform .22s; }
  .sidebar.open { transform: none; }
  .topbar { padding: 16px 18px 14px; flex-direction: column; align-items: stretch; }
  .view { padding: 18px; }
  .foot { padding: 14px 18px 18px; }
}
.topbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.field-inline input { width: 116px; }
#api-base { width: 188px; }

.topbar-left { flex: 1 1 auto; min-width: 0; }