/* Engram WebUI — Grafana-style dark theme (default) */
:root, [data-theme="dark"] {
  --bg-canvas: #0b0c0e;
  --bg-primary: #111217;
  --bg-secondary: #181b1f;
  --bg-card: #1f2229;
  --bg-hover: #272a31;
  --border: #2a2e33;
  --border-hover: #3d4349;
  --text-primary: #d8d9da;
  --text-secondary: #8e8e8e;
  --text-muted: #6e6e6e;
  --accent: #ff9830;
  --accent-hover: #ffad5c;
  --accent-dim: rgba(255,152,48,.10);
  --success: #73bf69;
  --error: #f2495c;
  --info: #5794f2;
  --warning: #ffb357;
  --radius: 4px;
  --font: -apple-system, 'Inter', system-ui, sans-serif;
  --mono: 'SF Mono', 'Cascadia Code', 'JetBrains Mono', monospace;
  --toast-success-bg: #1a3a1a; --toast-success-border: #2d5a2d;
  --toast-error-bg: #3b1520; --toast-error-border: #5c2030;
  --toast-info-bg: #152040; --toast-info-border: #253560;
  --row-hover: rgba(255,152,48,.04);
  --modal-overlay: rgba(0,0,0,.65);
}

/* Light theme */
[data-theme="light"] {
  --bg-canvas: #f5f6f8;
  --bg-primary: #ffffff;
  --bg-secondary: #f0f1f3;
  --bg-card: #ffffff;
  --bg-hover: #eaecef;
  --border: #d8dbe0;
  --border-hover: #b8bcc2;
  --text-primary: #1a1c1e;
  --text-secondary: #5a5e64;
  --text-muted: #8a8e94;
  --accent: #e07800;
  --accent-hover: #c06800;
  --accent-dim: rgba(224,120,0,.10);
  --success: #2d8a20;
  --error: #d0293e;
  --info: #2a6cd6;
  --warning: #c08000;
  --toast-success-bg: #e6f4e4; --toast-success-border: #b2d8ac;
  --toast-error-bg: #fde8eb; --toast-error-border: #f5b3bc;
  --toast-info-bg: #e3edfb; --toast-info-border: #a8c4f0;
  --row-hover: rgba(224,120,0,.06);
  --modal-overlay: rgba(0,0,0,.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; background: var(--bg-canvas); color: var(--text-primary); font-family: var(--font); font-size: 13px; -webkit-font-smoothing: antialiased; }

/* Layout */
#app { display: flex; flex-direction: column; height: 100vh; }
#topbar { display: flex; align-items: center; gap: 16px; padding: 0 20px; height: 48px; background: var(--bg-primary); border-bottom: 1px solid var(--border); flex-shrink: 0; }
#topbar h1 { font-size: 15px; font-weight: 700; color: var(--accent); white-space: nowrap; letter-spacing: -.01em; }
#topbar nav { display: flex; gap: 0; height: 100%; }
#topbar nav button { background: none; border: none; border-bottom: 2px solid transparent; color: var(--text-secondary); padding: 0 14px; cursor: pointer; font-size: 13px; font-weight: 500; transition: all .15s; height: 100%; display: flex; align-items: center; }
#topbar nav button:hover { color: var(--text-primary); background: rgba(255,255,255,.03); }
#topbar nav button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
#search-global { margin-left: auto; padding: 6px 12px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text-primary); font-size: 13px; width: 220px; outline: none; }
#search-global:focus { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent-dim); }
#search-global::placeholder { color: var(--text-muted); }
#content { flex: 1; overflow-y: auto; padding: 16px 20px; }

/* Cards */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.card:hover { border-color: var(--border-hover); }
.card h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-secondary); margin-bottom: 12px; font-weight: 600; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.stat-card { text-align: center; padding: 20px 16px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.stat-card .value { font-size: 32px; font-weight: 700; color: var(--text-primary); line-height: 1; }
.stat-card .label { font-size: 11px; color: var(--text-secondary); margin-top: 6px; text-transform: uppercase; letter-spacing: .04em; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 10px 12px; background: var(--bg-secondary); color: var(--text-secondary); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; border-bottom: 1px solid var(--border); position: sticky; top: 0; }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; color: var(--text-primary); }
tr:hover td { background: var(--row-hover); }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 3px; font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.type-fact { background: rgba(115,191,105,.15); color: #73bf69; }
.type-preference { background: rgba(87,148,242,.15); color: #5794f2; }
.type-decision { background: rgba(255,179,87,.15); color: #ffb357; }
.type-error { background: rgba(242,73,92,.15); color: #f2495c; }
.type-todo { background: rgba(183,119,242,.15); color: #b777f2; }
.type-context { background: rgba(142,142,142,.15); color: #8e8e8e; }
.type-workflow { background: rgba(87,148,242,.15); color: #5794f2; }

/* Tier badges */
.tier-full { color: var(--success); }
.tier-standard { color: #a3e635; }
.tier-basic { color: var(--warning); }
.tier-readonly { color: var(--error); }

/* Pills */
.pill { display: inline-block; padding: 2px 8px; border-radius: 3px; font-size: 10px; background: var(--bg-secondary); color: var(--text-secondary); margin: 1px 2px; border: 1px solid var(--border); }

/* Buttons */
.btn { padding: 7px 14px; border: 1px solid var(--border); border-radius: var(--radius); background: transparent; color: var(--text-primary); cursor: pointer; font-size: 13px; font-weight: 500; transition: all .15s; }
.btn:hover { background: var(--bg-hover); border-color: var(--border-hover); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #000; font-weight: 600; }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-danger { border-color: rgba(242,73,92,.4); color: var(--error); }
.btn-danger:hover { background: var(--error); border-color: var(--error); color: #fff; }
.btn-success { border-color: rgba(115,191,105,.4); color: var(--success); }
.btn-success:hover { background: var(--success); color: #000; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon { background: none; border: none; cursor: pointer; padding: 4px; font-size: 14px; opacity: .5; transition: opacity .15s; color: var(--text-primary); }
.btn-icon:hover { opacity: 1; }

/* Progress bars */
.bar-wrap { width: 60px; height: 8px; background: var(--bg-primary); border-radius: 4px; overflow: hidden; display: inline-block; vertical-align: middle; }
.bar-fill { height: 100%; border-radius: 4px; transition: width .3s; }
.bar-confidence .bar-fill { background: var(--info); }
.bar-priority .bar-fill { background: var(--accent); }

/* Modals */
.modal-overlay { position: fixed; inset: 0; background: var(--modal-overlay); z-index: 1000; display: flex; align-items: center; justify-content: center; }
.modal { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; min-width: 420px; max-width: 600px; max-height: 80vh; overflow-y: auto; }
.modal h2 { font-size: 16px; color: var(--text-primary); font-weight: 600; padding: 16px 20px; border-bottom: 1px solid var(--border); margin: 0; }
.modal .modal-body, .modal .memory-detail, .modal .form-group:first-of-type { padding-top: 0; }
.modal > *:not(h2):not(.modal-actions) { padding-left: 20px; padding-right: 20px; }
.modal > .form-group:first-of-type { margin-top: 16px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; padding: 12px 20px; border-top: 1px solid var(--border); margin-top: 8px; }

/* Forms */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 11px; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }
input, select, textarea { background: var(--bg-primary); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text-primary); padding: 8px 10px; font-size: 13px; font-family: var(--font); width: 100%; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent-dim); }
textarea { resize: vertical; min-height: 80px; font-family: var(--mono); }
select { cursor: pointer; }

/* Pagination */
.pagination { display: flex; align-items: center; gap: 8px; margin-top: 14px; justify-content: center; }
.pagination .page-info { color: var(--text-secondary); font-size: 13px; }

/* Toast */
#toast-container { position: fixed; top: 16px; right: 16px; z-index: 2000; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 10px 16px; border-radius: var(--radius); font-size: 13px; animation: toast-in .3s ease; min-width: 250px; }
.toast-success { background: var(--toast-success-bg); color: var(--success); border: 1px solid var(--toast-success-border); }
.toast-error { background: var(--toast-error-bg); color: var(--error); border: 1px solid var(--toast-error-border); }
.toast-info { background: var(--toast-info-bg); color: var(--info); border: 1px solid var(--toast-info-border); }
@keyframes toast-in { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: none; } }

/* Spinner */
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-overlay { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 40px; color: var(--text-secondary); }

/* Tab content visibility */
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Graph container */
#graph-vis { width: 100%; height: calc(100vh - 200px); min-height: 400px; }
.graph-toolbar { display: flex; gap: 8px; margin-bottom: 10px; align-items: center; }

/* Think tab */
.think-layout { display: grid; grid-template-columns: 1fr 260px; gap: 16px; }
.think-results { margin-top: 16px; }
.think-answer { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; line-height: 1.7; white-space: pre-wrap; color: var(--text-primary); font-size: 13px; }
.query-history { max-height: 400px; overflow-y: auto; }
.query-item { padding: 10px; border-bottom: 1px solid var(--border); cursor: pointer; font-size: 13px; color: var(--text-secondary); }
.query-item:hover { background: var(--bg-hover); color: var(--text-primary); }

/* Responsive */
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .think-layout { grid-template-columns: 1fr; }
  #topbar { flex-wrap: wrap; height: auto; padding: 8px 16px; }
  #topbar nav { order: 3; width: 100%; overflow-x: auto; height: 40px; }
  #search-global { width: 140px; }
  .modal { min-width: unset; width: 90vw; }
  #panel { display: none; }
}

/* Checkbox */
.checkbox-row { display: flex; align-items: center; gap: 6px; }
input[type="checkbox"] { width: auto; accent-color: var(--accent); }

/* JSON viewer */
.json-view { background: var(--bg-primary); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px; font-family: var(--mono); font-size: 12px; white-space: pre-wrap; max-height: 200px; overflow-y: auto; color: var(--text-primary); }

/* Truncated text */
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 200px; display: inline-block; }
.truncate-wide { max-width: 350px; }

/* Memory detail */
.memory-detail { padding: 16px 20px; }
.memory-detail .field { margin-bottom: 12px; }
.memory-detail .field-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; font-weight: 600; letter-spacing: .04em; }
.memory-detail .field-value { margin-top: 4px; color: var(--text-primary); }

/* Bulk select */
.bulk-bar { display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px; }

/* Entities overflow */
.entities-list { display: flex; flex-wrap: wrap; gap: 4px; }
.entities-list.collapsed { max-height: 28px; overflow: hidden; }
.entities-toggle { color: var(--accent); cursor: pointer; font-size: 11px; margin-top: 2px; }
.entities-toggle:hover { text-decoration: underline; }

/* Login Page */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-canvas);
}
.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  width: 100%;
  max-width: 360px;
  text-align: center;
}
.login-logo {
  margin-bottom: 8px;
  color: var(--accent);
}
.login-logo svg {
  width: 48px;
  height: 48px;
}
.login-card h2 {
  margin-bottom: 4px;
  color: var(--text-primary);
  font-size: 20px;
}
.login-subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 24px;
}
.login-card .form-group {
  text-align: left;
  margin-bottom: 16px;
}
.login-card input {
  padding: 10px 12px;
  font-size: 14px;
}
.btn-block {
  width: 100%;
  padding: 10px;
  font-size: 14px;
}
.login-hint {
  margin-top: 16px;
  font-size: 11px;
  color: var(--text-muted);
}

/* Logout button */
.btn-logout {
  margin-left: 8px;
  padding: 6px 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-logout:hover {
  color: var(--error);
  border-color: var(--error);
}
.btn-logout svg {
  width: 16px;
  height: 16px;
}

/* Spinner animation for loader icon */
.spinner-icon {
  animation: spin 1s linear infinite;
}

/* Table info & load more */
.table-info {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
#dash-load-more {
  text-align: center;
  padding: 16px;
}
.text-muted { color: var(--text-muted); }
.text-error { color: var(--error); }

/* Graph legend */
.graph-legend {
  margin-top: 16px;
}
.graph-legend h4 {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  margin-bottom: 6px;
  color: var(--text-primary);
}
.legend-item svg {
  flex-shrink: 0;
}

/* Theme toggle */
.btn-theme {
  margin-left: 4px;
  padding: 6px 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: var(--radius);
}
.btn-theme:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.btn-theme svg {
  width: 16px;
  height: 16px;
}