/* Swiss Modern Samurai — 60:30:10 (white / dark navy / vermillion) */
@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@300;400;500&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  --white: #ffffff;
  --offwhite: #f8f8f4;
  --ink: #1a1a2e;
  --vermillion: #cc3311;
  --green: #1e7e34;
  --green-bg: #e6f4ea;
  --ink-90: rgba(26, 26, 46, 0.9);
  --ink-60: rgba(26, 26, 46, 0.6);
  --ink-40: rgba(26, 26, 46, 0.4);
  --ink-20: rgba(26, 26, 46, 0.2);
  --ink-10: rgba(26, 26, 46, 0.1);
  --ink-05: rgba(26, 26, 46, 0.05);
  --vermillion-10: rgba(204, 51, 17, 0.1);
  --vermillion-20: rgba(204, 51, 17, 0.2);
  --mono: 'DM Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--white);
  color: var(--ink);
  min-height: 100vh;
}

/* ── Header ────────────────────────────────────────── */

header {
  background: var(--ink);
  color: var(--white);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  height: 52px;
  gap: 2rem;
}

header h1 {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

header h1 span { color: var(--vermillion); }

.header-badge {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.4;
  margin-left: auto;
  white-space: nowrap;
}

/* Mode tabs */
.mode-tabs {
  display: flex;
  gap: 2px;
}

.mode-tab {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.35rem 1rem;
  background: transparent;
  color: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.15s;
}

.mode-tab:hover { color: rgba(255,255,255,0.8); border-color: rgba(255,255,255,0.3); }
.mode-tab.active { background: var(--vermillion); color: var(--white); border-color: var(--vermillion); }

/* Mode panels */
.mode-panel { display: none; }
.mode-panel.active { display: block; }

/* ── Shared ────────────────────────────────────────── */

.run-btn {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.5rem 1.2rem;
  background: var(--vermillion);
  color: var(--white);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: opacity 0.15s;
  white-space: nowrap;
}

.run-btn:hover { opacity: 0.85; }
.run-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.muted { color: var(--ink-40); font-size: 0.85rem; }

.badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.12rem 0.4rem;
  border-radius: 2px;
}

.badge-ok { background: var(--green-bg); color: var(--green); }
.badge-err { background: var(--vermillion-10); color: var(--vermillion); }
.badge-muted { background: var(--ink-05); color: var(--ink-40); }

.timing {
  font-size: 0.65rem;
  color: var(--ink-40);
  margin-top: 0.5rem;
}

/* Spinner */
.spinner {
  width: 14px; height: 14px;
  border: 2px solid var(--ink-10);
  border-top-color: var(--vermillion);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════════════════════
   MATRIX MODE
   ══════════════════════════════════════════════════════ */

#mode-matrix {
  padding: 1.5rem 2rem;
}

.matrix-header {
  margin-bottom: 1rem;
}

.matrix-subtitle {
  font-size: 0.8rem;
  color: var(--ink-60);
}

.matrix-subtitle .key-allowed,
.matrix-subtitle .key-denied,
.matrix-subtitle .key-pending {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.1rem 0.35rem;
  border-radius: 2px;
  margin-left: 0.5rem;
}

.key-allowed { background: var(--green-bg); color: var(--green); }
.key-denied { background: var(--vermillion-10); color: var(--vermillion); }
.key-pending { background: var(--ink-05); color: var(--ink-40); }

.matrix-scroll {
  overflow-x: auto;
}

.access-matrix {
  border-collapse: collapse;
  width: 100%;
  min-width: 700px;
}

.access-matrix th {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.6rem 0.5rem;
  text-align: center;
  white-space: nowrap;
}

.access-matrix th.col-persona {
  color: var(--ink-60);
  background: var(--ink-05);
  border-bottom: 2px solid var(--ink-20);
}

.access-matrix th.col-tool {
  text-align: left;
  color: var(--ink-60);
  background: var(--ink-05);
  border-bottom: 2px solid var(--ink-20);
  padding-left: 0.75rem;
}

.access-matrix th.col-category {
  color: var(--ink-40);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
}

.access-matrix td {
  text-align: center;
  padding: 0;
  border-bottom: 1px solid var(--ink-05);
}

.access-matrix td.tool-label {
  text-align: left;
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  white-space: nowrap;
  border-right: 1px solid var(--ink-10);
}

.matrix-cell {
  width: 100%;
  height: 100%;
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-left: 1px solid var(--ink-05);
}

.matrix-cell:hover { background: var(--ink-05); }

.matrix-cell.pending { color: var(--ink-20); }
.matrix-cell.loading { color: var(--ink-40); }
.matrix-cell.allowed { background: var(--green-bg); color: var(--green); }
.matrix-cell.denied { background: var(--vermillion-10); color: var(--vermillion); }
.matrix-cell.error { background: #fff3cd; color: #856404; }

.matrix-cell .cell-icon { font-size: 0.85rem; }

.matrix-result {
  margin-top: 1.25rem;
  border: 1px solid var(--ink-10);
  border-radius: 4px;
  padding: 1rem;
  min-height: 60px;
  font-size: 0.82rem;
  line-height: 1.5;
  max-height: 350px;
  overflow-y: auto;
}

.matrix-result:empty { display: none; }

/* ══════════════════════════════════════════════════════
   COMPARE MODE
   ══════════════════════════════════════════════════════ */

.compare-controls {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  padding: 1.25rem 2rem;
  background: var(--offwhite);
  border-bottom: 1px solid var(--ink-10);
  flex-wrap: wrap;
}

.compare-pick label,
.compare-tool-pick label {
  display: block;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-60);
  margin-bottom: 0.3rem;
}

.compare-pick select,
.compare-tool-pick select {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.82rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--ink-20);
  border-radius: 2px;
  background: var(--white);
  min-width: 140px;
}

.compare-vs {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--vermillion);
  padding-bottom: 0.45rem;
}

.compare-input-wrap {
  flex: 1;
  min-width: 200px;
}

.compare-input-wrap input {
  width: 100%;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.82rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--ink-20);
  border-radius: 2px;
}

.compare-panels {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  min-height: calc(100vh - 160px);
}

.compare-divider {
  background: var(--ink-10);
}

.compare-pane {
  display: flex;
  flex-direction: column;
}

.pane-header {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.75rem 1.25rem;
  background: var(--ink-05);
  border-bottom: 1px solid var(--ink-10);
  color: var(--ink-60);
}

.pane-header .pane-role {
  color: var(--vermillion);
  margin-left: 0.5rem;
}

.pane-body {
  padding: 1.25rem;
  flex: 1;
  overflow-y: auto;
  font-size: 0.82rem;
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════
   EXPLORE MODE
   ══════════════════════════════════════════════════════ */

#mode-explore {
  display: none;
  grid-template-columns: 200px 1fr;
  min-height: calc(100vh - 52px);
}

#mode-explore.active { display: grid; }

.explore-sidebar {
  background: var(--ink);
  padding: 1rem 0;
  overflow-y: auto;
}

.persona-item {
  padding: 0.65rem 1rem;
  cursor: pointer;
  transition: background 0.1s;
  border-left: 3px solid transparent;
}

.persona-item:hover { background: rgba(255,255,255,0.05); }
.persona-item.active { background: rgba(255,255,255,0.08); border-left-color: var(--vermillion); }

.persona-item .pi-role {
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vermillion);
}

.persona-item .pi-name {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--white);
  margin-top: 0.15rem;
}

.persona-item .pi-email {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.35);
}

.explore-main {
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
}

.explore-tools {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.explore-tools .tool-group {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-right: 0.5rem;
}

.explore-tools .tool-group-label {
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-40);
  margin-right: 0.15rem;
}

.tool-btn {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--ink-20);
  border-radius: 2px;
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  transition: all 0.12s;
}

.tool-btn:hover { background: var(--ink-05); border-color: var(--ink); }
.tool-btn.active { background: var(--ink); color: var(--white); border-color: var(--ink); }
.tool-btn.disabled-tool { opacity: 0.3; border-style: dashed; }
.tool-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.explore-input-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.explore-input-bar input {
  flex: 1;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.82rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--ink-20);
  border-radius: 2px;
}

.explore-run-bar {
  margin-bottom: 1rem;
}

.explore-results {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 1.25rem;
  flex: 1;
  min-height: 0;
}

.explore-result-pane,
.explore-chain-pane {
  border: 1px solid var(--ink-10);
  border-radius: 4px;
  padding: 1rem;
  overflow-y: auto;
  max-height: calc(100vh - 260px);
  font-size: 0.82rem;
  line-height: 1.6;
}

.explore-chain-pane {
  background: var(--offwhite);
}

/* ── Data Tables ──────────────────────────────────── */

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}

.data-table th {
  text-align: left;
  font-weight: 600;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-60);
  padding: 0.4rem 0.5rem;
  border-bottom: 2px solid var(--ink-20);
}

.data-table td {
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--ink-05);
}

.data-table tr:hover td { background: var(--ink-05); }

/* ── ACCESS_DENIED ──────────────────────────────────── */

.access-denied {
  background: var(--vermillion-10);
  border: 1px solid var(--vermillion-20);
  border-radius: 4px;
  padding: 1rem;
}

.access-denied-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--vermillion);
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  margin-bottom: 0.5rem;
}

.access-denied p { font-size: 0.8rem; margin-top: 0.35rem; }
.access-denied-fix code {
  font-size: 0.72rem;
  background: var(--white);
  padding: 0.2rem 0.4rem;
  border-radius: 2px;
  border: 1px solid var(--ink-10);
}

/* ── Misc result blocks ──────────────────────────────── */

.sql-block {
  background: var(--ink-05);
  border: 1px solid var(--ink-10);
  border-radius: 2px;
  padding: 0.6rem;
  margin-bottom: 0.6rem;
}

.sql-label {
  font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-60); display: block; margin-bottom: 0.3rem;
}

.sql-block pre {
  font-size: 0.72rem; font-family: var(--mono);
  white-space: pre-wrap; color: var(--ink);
}

.kb-result { border-bottom: 1px solid var(--ink-10); padding: 0.6rem 0; }
.kb-result:last-child { border-bottom: none; }
.kb-title { font-weight: 600; font-size: 0.8rem; }
.kb-source { font-size: 0.68rem; color: var(--ink-40); }
.kb-content { font-size: 0.78rem; line-height: 1.4; }
.kb-score { font-size: 0.65rem; color: var(--ink-40); }

.supervisor-answer { background: var(--ink-05); border-radius: 4px; padding: 0.75rem; }
.supervisor-label { font-size: 0.6rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-60); margin-bottom: 0.4rem; }
.supervisor-content { font-size: 0.82rem; line-height: 1.5; }

/* Identity chain (explore mode) */
.chain-step {
  display: flex; align-items: flex-start; margin-bottom: 0.6rem; position: relative;
}
.chain-step:not(:last-child)::after {
  content: ''; position: absolute; left: 10px; top: 22px; bottom: -6px;
  width: 2px; background: var(--ink-10);
}
.chain-dot {
  width: 22px; height: 22px; border-radius: 50%; background: var(--ink-10);
  flex-shrink: 0; margin-right: 0.6rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.55rem; font-weight: 700; color: var(--ink-60);
}
.chain-step.done .chain-dot { background: var(--ink); color: var(--white); }
.chain-step.active .chain-dot { background: var(--vermillion); color: var(--white); }
.chain-label { font-size: 0.6rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-40); }
.chain-value { font-size: 0.72rem; color: var(--ink); word-break: break-all; }
.chain-value.mono { font-family: var(--mono); font-size: 0.68rem; }

/* ── Responsive ──────────────────────────────────── */

@media (max-width: 900px) {
  .compare-panels { grid-template-columns: 1fr; }
  .compare-divider { display: none; }
  .explore-results { grid-template-columns: 1fr; }
  #mode-explore.active { grid-template-columns: 1fr; }
  .explore-sidebar { display: none; }
}