:root {
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --bg-card: #ffffff;
  --text: #e2e8f0;
  --text-strong: #f8fafc;
  --text-on-card: #1e293b;
  --muted: #94a3b8;
  --accent: #6366f1;
  --accent-2: #8b5cf6;
  --ok: #10b981;
  --warn: #f59e0b;
  --bad: #ef4444;
  --busy: #3b82f6;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0,0,0,.25);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: linear-gradient(135deg, #1e293b 0%, #312e81 100%);
  border-bottom: 1px solid #334155;
}
.topbar .brand {
  display: flex; align-items: center; gap: 12px;
  font-weight: 700; font-size: 18px; color: var(--text-strong);
}
.topbar .brand .logo {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; font-weight: 800; color: white;
}
.topbar nav a {
  color: var(--text); margin-left: 18px; font-weight: 500;
}
.topbar nav a.active { color: var(--text-strong); border-bottom: 2px solid var(--accent); padding-bottom: 4px; }

.topbar-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.session-controls {
  display: flex;
  align-items: center;
}

.logout-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid #475569;
  background: rgba(15,23,42,.35);
  color: var(--text-strong);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.logout-btn:hover {
  background: rgba(255,255,255,.08);
}

.role-switcher {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.05); padding: 6px 10px; border-radius: 999px;
  border: 1px solid #334155; font-size: 13px;
}
.role-switcher select {
  background: transparent; color: var(--text-strong); border: none; font-size: 13px; outline: none;
}

.response-mode {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(15,23,42,.35);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid #334155;
  font-size: 12px;
  color: var(--text);
}
.response-mode .label { white-space: nowrap; }
.response-mode .dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #64748b;
  box-shadow: 0 0 0 3px rgba(100,116,139,.18);
}
.response-mode.real .dot { background: var(--ok); box-shadow: 0 0 0 3px rgba(16,185,129,.18); }
.response-mode.fallback .dot { background: var(--warn); box-shadow: 0 0 0 3px rgba(245,158,11,.18); }
.response-mode.scripted .dot { background: var(--busy); box-shadow: 0 0 0 3px rgba(59,130,246,.18); }

.container { max-width: 1200px; margin: 0 auto; padding: 28px 24px; }

.auth-shell {
  min-height: calc(100vh - 76px);
  display: grid;
  place-items: center;
  padding: 32px 24px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: rgba(255,255,255,.96);
  color: var(--text-on-card);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(148,163,184,.22);
}

.auth-card h1 {
  margin: 0 0 8px;
  font-size: 28px;
  color: #0f172a;
}

.auth-card p {
  margin: 0 0 18px;
  color: #475569;
  font-size: 14px;
  line-height: 1.55;
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-field {
  display: grid;
  gap: 6px;
}

.auth-field label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #64748b;
}

.auth-field input {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 12px 14px;
  font: inherit;
  color: #0f172a;
  background: #fff;
}

.auth-field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(99,102,241,.12);
}

.auth-error {
  min-height: 20px;
  color: #b91c1c;
  font-size: 13px;
  font-weight: 600;
}

.auth-error[hidden] {
  display: block;
  visibility: hidden;
}

.auth-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 6px;
}

.auth-note {
  color: #64748b;
  font-size: 12px;
  line-height: 1.5;
}

.hero h1 { font-size: 32px; color: var(--text-strong); margin: 0 0 8px; }
.hero p.lead { color: var(--muted); font-size: 16px; margin: 0 0 24px; max-width: 760px; line-height: 1.5; }

.grid { display: grid; gap: 18px; }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-card); color: var(--text-on-card);
  border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 8px; font-size: 16px; }
.card p { margin: 0; color: #475569; font-size: 14px; line-height: 1.45; }
.card .meta { margin-top: 12px; font-size: 12px; color: #64748b; }

.cta-row { display: flex; gap: 12px; margin: 24px 0; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: white; padding: 10px 18px;
  border: none; border-radius: 8px; font-weight: 600; cursor: pointer; font-size: 14px;
  text-decoration: none;
}
.btn:hover { background: var(--accent-2); text-decoration: none; }
.btn.secondary { background: transparent; color: var(--text-strong); border: 1px solid #475569; }
.btn.secondary:hover { background: rgba(255,255,255,.05); }
.btn.danger { background: var(--bad); }

.section-title { color: var(--text-strong); margin: 32px 0 12px; font-size: 20px; }

.prompt-grid { display: grid; gap: 12px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 1100px) { .prompt-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 900px) { .prompt-grid { grid-template-columns: 1fr; } }
.prompt-card {
  background: var(--bg-card); color: var(--text-on-card);
  border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease;
  border: 2px solid transparent;
}
.prompt-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.prompt-card .tag {
  display: inline-block; font-size: 11px; font-weight: 700;
  padding: 3px 8px; border-radius: 999px; margin-bottom: 8px;
  text-transform: uppercase; letter-spacing: .5px;
}
.tag.document { background: #dbeafe; color: #1d4ed8; }
.tag.contract { background: #ffe4e6; color: #be123c; }
.tag.legal { background: #ede9fe; color: #5b21b6; }
.tag.finance { background: #ede9fe; color: #6d28d9; }
.tag.commercial { background: #ffedd5; color: #c2410c; }
.tag.product { background: #ccfbf1; color: #0f766e; }
.tag.spreadsheet { background: #dcfce7; color: #166534; }
.tag.design { background: #fce7f3; color: #be185d; }
.tag.hr { background: #d1fae5; color: #065f46; }
.tag.code { background: #fef3c7; color: #92400e; }
.tag.general { background: #e0e7ff; color: #3730a3; }
.tag.access { background: #fee2e2; color: #991b1b; }
.tag.fallback { background: #fed7aa; color: #9a3412; }

.prompt-card h4 { margin: 0 0 6px; font-size: 14px; color: #1e293b; }
.prompt-card p { margin: 0; font-size: 13px; color: #475569; line-height: 1.4; }

/* ============ CHAT ============ */
.chat-layout {
  display: grid; gap: 20px;
  grid-template-columns: 1fr 380px;
  height: calc(100vh - 130px);
}
@media (max-width: 1000px) {
  .chat-layout { grid-template-columns: 1fr; height: auto; }
}

.chat-panel {
  background: var(--bg-card); color: var(--text-on-card);
  border-radius: var(--radius); box-shadow: var(--shadow);
  display: flex; flex-direction: column; overflow: hidden;
}
.chat-panel-header {
  border-bottom: 1px solid #e2e8f0;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.chat-panel-title {
  color: #0f172a;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.2;
}
.chat-messages { flex: 1; padding: 18px; overflow-y: auto; }
.msg { margin-bottom: 16px; display: flex; gap: 10px; }
.message-stack {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.msg .avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: #e2e8f0; display: grid; place-items: center; font-weight: 700; flex-shrink: 0;
}
.msg.user .avatar { background: #c7d2fe; color: #3730a3; }
.msg.assistant .avatar { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; }
.msg .bubble { background: #f8fafc; padding: 10px 14px; border-radius: 12px; line-height: 1.5; font-size: 14px; }
.msg.user .bubble { background: #eef2ff; }
.msg .bubble pre {
  background: #0f172a; color: #e2e8f0; padding: 12px; border-radius: 8px;
  overflow-x: auto; font-size: 12px; margin: 8px 0;
}
.msg .bubble code { background: #e2e8f0; padding: 1px 4px; border-radius: 3px; font-size: 12px; }
.msg .bubble pre code { background: transparent; padding: 0; }

.capability-control {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  position: relative;
}
.capability-change {
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 7px 11px;
  background: #fff;
  color: #334155;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.capability-control select {
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 8px 10px;
  font: inherit;
  font-size: 12px;
  color: #0f172a;
  background: white;
  max-width: 230px;
}
.capability-status {
  color: #64748b;
  font-size: 12px;
  line-height: 1.35;
  margin-top: 3px;
}
.capability-status.pending { color: #1d4ed8; font-weight: 700; }
@media (max-width: 720px) {
  .chat-panel-header { align-items: flex-start; flex-direction: column; }
  .capability-control { width: 100%; justify-content: flex-start; flex-wrap: wrap; }
  .capability-control select { max-width: 100%; }
}

.chat-input {
  padding: 12px; display: flex; gap: 8px; align-items: flex-end;
}
.chat-input textarea {
  flex: 1; border: 1px solid #cbd5e1; border-radius: 8px;
  padding: 10px 12px; font-family: inherit; font-size: 14px;
  resize: none; min-height: 44px; max-height: 140px; outline: none;
}
.chat-input textarea:focus { border-color: var(--accent); }
.chat-input button {
  background: var(--accent); color: white; border: none; border-radius: 8px;
  padding: 10px 18px; font-weight: 600; cursor: pointer;
}

.routing-panel {
  background: var(--bg-card); color: var(--text-on-card);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px; overflow-y: auto;
  height: fit-content;
  position: sticky;
  top: 20px;
}
.routing-panel h3 { margin: 0 0 12px; font-size: 16px; }
.routing-panel .empty {
  color: #94a3b8; font-size: 13px; padding: 20px; text-align: center; border: 1px dashed #cbd5e1; border-radius: 8px;
}
.routing-note {
  background: linear-gradient(135deg, #e0e7ff 0%, #f8fafc 100%);
  border: 1px solid #c7d2fe;
  border-radius: 12px;
  padding: 12px 14px;
  color: #3730a3;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 14px;
}
.routing-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid #f1f5f9; font-size: 13px; }
.routing-row:last-of-type { border-bottom: none; }
.routing-row .k { color: #64748b; }
.routing-row .v { font-weight: 600; color: #1e293b; text-align: right; }
.routing-section-title { font-size: 12px; text-transform: uppercase; color: #64748b; letter-spacing: .5px; margin-top: 14px; margin-bottom: 4px; }
.routing-banner {
  margin-top: 12px; padding: 10px 12px; border-radius: 8px; font-size: 13px;
}
.routing-banner.allow { background: #d1fae5; color: #065f46; }
.routing-banner.fallback { background: #fed7aa; color: #9a3412; }
.routing-banner.deny { background: #fee2e2; color: #991b1b; }

.decision-card {
  --decision-accent: #475569;
  --decision-soft: #f8fafc;
  --decision-border: #cbd5e1;
  --decision-badge-bg: #e2e8f0;
  --decision-badge-text: #334155;
  background: linear-gradient(180deg, #ffffff 0%, var(--decision-soft) 100%);
  border: 1px solid var(--decision-border);
  border-left: 6px solid var(--decision-accent);
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: 0 18px 30px rgba(15,23,42,.08);
}
.decision-card.legal {
  --decision-accent: #7c3aed;
  --decision-soft: #f6f1ff;
  --decision-border: #ddd6fe;
  --decision-badge-bg: #ede9fe;
  --decision-badge-text: #6d28d9;
}
.decision-card.document {
  --decision-accent: #1d4ed8;
  --decision-soft: #eff6ff;
  --decision-border: #bfdbfe;
  --decision-badge-bg: #dbeafe;
  --decision-badge-text: #1d4ed8;
}
.decision-card.contract {
  --decision-accent: #be185d;
  --decision-soft: #fff1f2;
  --decision-border: #fecdd3;
  --decision-badge-bg: #ffe4e6;
  --decision-badge-text: #be123c;
}
.decision-card.hr {
  --decision-accent: #059669;
  --decision-soft: #ecfdf5;
  --decision-border: #a7f3d0;
  --decision-badge-bg: #d1fae5;
  --decision-badge-text: #065f46;
}
.decision-card.code {
  --decision-accent: #2563eb;
  --decision-soft: #eff6ff;
  --decision-border: #bfdbfe;
  --decision-badge-bg: #dbeafe;
  --decision-badge-text: #1d4ed8;
}
.decision-card.finance {
  --decision-accent: #7c3aed;
  --decision-soft: #f5f3ff;
  --decision-border: #ddd6fe;
  --decision-badge-bg: #ede9fe;
  --decision-badge-text: #6d28d9;
}
.decision-card.commercial {
  --decision-accent: #b45309;
  --decision-soft: #fffbeb;
  --decision-border: #fde68a;
  --decision-badge-bg: #fef3c7;
  --decision-badge-text: #92400e;
}
.decision-card.product {
  --decision-accent: #0f766e;
  --decision-soft: #f0fdfa;
  --decision-border: #99f6e4;
  --decision-badge-bg: #ccfbf1;
  --decision-badge-text: #115e59;
}
.decision-card.spreadsheet {
  --decision-accent: #15803d;
  --decision-soft: #f0fdf4;
  --decision-border: #86efac;
  --decision-badge-bg: #dcfce7;
  --decision-badge-text: #166534;
}
.decision-card.design {
  --decision-accent: #be185d;
  --decision-soft: #fdf2f8;
  --decision-border: #fbcfe8;
  --decision-badge-bg: #fce7f3;
  --decision-badge-text: #be185d;
}
.decision-card.general {
  --decision-accent: #64748b;
  --decision-soft: #f8fafc;
  --decision-border: #cbd5e1;
  --decision-badge-bg: #e2e8f0;
  --decision-badge-text: #334155;
}
.decision-card.policy {
  --decision-accent: #dc2626;
  --decision-soft: #fff1f2;
  --decision-border: #fecdd3;
  --decision-badge-bg: #fee2e2;
  --decision-badge-text: #b91c1c;
}
.decision-card.fallback {
  --decision-accent: #ea580c;
  --decision-soft: #fff7ed;
  --decision-border: #fdba74;
  --decision-badge-bg: #fed7aa;
  --decision-badge-text: #9a3412;
}
.decision-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}
.decision-badge-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.decision-badge,
.decision-mini,
.decision-pill,
.decision-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-weight: 700;
}
.decision-badge {
  padding: 5px 10px;
  background: var(--decision-badge-bg);
  color: var(--decision-badge-text);
  font-size: 11px;
  letter-spacing: .08em;
}
.decision-mini,
.decision-pill {
  padding: 5px 10px;
  font-size: 11px;
  background: #e2e8f0;
  color: #334155;
}
.decision-title {
  margin: 0;
  color: #0f172a;
  font-size: 21px;
  line-height: 1.2;
}
.decision-reason {
  margin: 8px 0 0;
  color: #334155;
  font-size: 14px;
  line-height: 1.55;
  max-width: 72ch;
}
.decision-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.decision-meta {
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(148,163,184,.25);
  border-radius: 12px;
  padding: 10px 12px;
  min-height: 74px;
}
.decision-key {
  color: #64748b;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 7px;
}
.decision-value {
  color: #0f172a;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
}
.decision-text {
  color: #0f172a;
}
.decision-chip-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.decision-chip {
  padding: 4px 8px;
  font-size: 11px;
  background: rgba(15,23,42,.06);
  color: #334155;
}
.decision-empty {
  color: #94a3b8;
  font-size: 12px;
  font-weight: 500;
}
.decision-pill.allow,
.decision-mini.allow,
.decision-pill.online,
.decision-pill.real {
  background: #d1fae5;
  color: #065f46;
}
.decision-pill.legal {
  background: #ede9fe;
  color: #6d28d9;
}
.decision-pill.document {
  background: #dbeafe;
  color: #1d4ed8;
}
.decision-pill.contract {
  background: #ffe4e6;
  color: #be123c;
}
.decision-pill.hr {
  background: #d1fae5;
  color: #065f46;
}
.decision-pill.code,
.decision-pill.busy,
.decision-pill.scripted {
  background: #dbeafe;
  color: #1d4ed8;
}
.decision-pill.finance {
  background: #ede9fe;
  color: #6d28d9;
}
.decision-pill.commercial {
  background: #fef3c7;
  color: #92400e;
}
.decision-pill.product {
  background: #ccfbf1;
  color: #115e59;
}
.decision-pill.spreadsheet {
  background: #dcfce7;
  color: #166534;
}
.decision-pill.design {
  background: #fce7f3;
  color: #be185d;
}
.decision-pill.general,
.decision-pill.unknown {
  background: #e2e8f0;
  color: #334155;
}
.decision-pill.fallback,
.decision-mini.fallback,
.decision-pill.saturated {
  background: #fed7aa;
  color: #9a3412;
}
.decision-pill.policy,
.decision-mini.policy,
.decision-pill.blocked,
.decision-pill.offline {
  background: #fee2e2;
  color: #b91c1c;
}
.decision-card.compact .decision-title {
  font-size: 18px;
}
.decision-card.compact .decision-reason {
  font-size: 13px;
}

@media (max-width: 720px) {
  .decision-meta-grid {
    grid-template-columns: 1fr;
  }
}

/* ============ ADMIN ============ */
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
@media (max-width: 900px) { .kpi-row { grid-template-columns: repeat(2, 1fr); } }
.kpi {
  background: var(--bg-card); color: var(--text-on-card);
  padding: 14px 16px; border-radius: var(--radius); box-shadow: var(--shadow);
}
.kpi .label { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: #64748b; }
.kpi .value { font-size: 24px; font-weight: 700; color: #1e293b; margin-top: 4px; }

.table-card {
  background: var(--bg-card); color: var(--text-on-card);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px;
}
.table-card h3 { margin: 0 0 12px; font-size: 16px; }
.admin-note {
  margin-bottom: 18px;
  padding: 12px 14px;
  border-radius: 10px;
  background: #fff7ed;
  color: #9a3412;
  border: 1px solid #fdba74;
  box-shadow: var(--shadow);
  font-size: 13px;
}
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td {
  text-align: left; padding: 8px 10px; border-bottom: 1px solid #f1f5f9;
}
.table th { color: #64748b; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; }
.table td .pill {
  display: inline-block; font-size: 11px; padding: 3px 8px; border-radius: 999px; font-weight: 600;
}
.pill.online { background: #d1fae5; color: #065f46; }
.pill.busy { background: #dbeafe; color: #1e40af; }
.pill.saturated { background: #fef3c7; color: #92400e; }
.pill.offline { background: #fee2e2; color: #991b1b; }
.pill.allow { background: #d1fae5; color: #065f46; }
.pill.safe_reroute { background: #fed7aa; color: #9a3412; }
.pill.deny_policy { background: #fee2e2; color: #991b1b; }

.table td select {
  font-size: 12px; padding: 4px 6px; border-radius: 6px; border: 1px solid #cbd5e1;
}

footer { text-align: center; color: var(--muted); font-size: 12px; padding: 24px; }

@media (max-width: 1000px) {
  .topbar {
    flex-wrap: wrap;
    gap: 12px;
  }
  .topbar-tools {
    width: 100%;
    justify-content: flex-end;
    flex-wrap: wrap;
  }
}