/* ── Design Tokens ─────────────────────────────────────────────────────────── */
:root {
  --bg-base: #0d1117;
  --bg-card: #161b22;
  --bg-card-hover: #1c2330;
  --border: #30363d;
  --accent: #14D9D4;
  --accent-dim: rgba(20,217,212,0.12);
  --success: #3fb950;
  --warning: #e3b341;
  --danger: #f85149;
  --info: #58a6ff;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --sidebar-w: 240px;
  --header-h: 60px;
  --radius: 8px;
  --radius-sm: 5px;
}

/* ── Reset & Base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ─────────────────────────────────────────────────────────────────── */
.app-wrapper { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo .brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.1rem; font-weight: 700;
  color: var(--accent); letter-spacing: -0.3px;
}
.sidebar-logo .brand-sub {
  font-size: 0.72rem; color: var(--text-muted);
  margin-top: 2px; display: block;
}

.sidebar-nav { padding: 12px 0; flex: 1; }
.nav-section { padding: 8px 16px 4px; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 16px;
  color: var(--text-secondary);
  font-size: 0.88rem; font-weight: 500;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}
.nav-item:hover { background: var(--accent-dim); color: var(--text-primary); text-decoration: none; }
.nav-item.active { color: var(--accent); border-left-color: var(--accent); background: var(--accent-dim); }
.nav-item .nav-icon { width: 16px; text-align: center; opacity: 0.7; }
.nav-item.active .nav-icon { opacity: 1; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.sidebar-footer .user-name { font-weight: 600; color: var(--text-secondary); }

/* ── Main Content ────────────────────────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Header ─────────────────────────────────────────────────────────────────── */
.app-header {
  height: var(--header-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky; top: 0; z-index: 50;
}
.header-title { font-size: 1rem; font-weight: 600; flex: 1; }
.header-actions { display: flex; align-items: center; gap: 12px; }

/* Token usage bar */
.token-bar-wrap {
  display: flex; align-items: center; gap: 8px; font-size: 0.78rem; color: var(--text-secondary);
}
.token-bar-bg {
  width: 120px; height: 6px;
  background: var(--border); border-radius: 3px; overflow: hidden;
}
.token-bar-fill {
  height: 100%; border-radius: 3px;
  background: var(--accent);
  transition: width 0.3s;
}
.token-bar-fill.warn { background: var(--warning); }
.token-bar-fill.danger { background: var(--danger); }

/* ── Page Body ───────────────────────────────────────────────────────────────── */
.page-body { padding: 24px; flex: 1; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.page-header h1 { font-size: 1.3rem; font-weight: 700; }

/* ── Cards ───────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.card-title { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 12px; }

/* ── Stat Cards ──────────────────────────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex; flex-direction: column; gap: 6px;
}
.stat-card:hover { background: var(--bg-card-hover); }
.stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.stat-value { font-size: 1.9rem; font-weight: 700; line-height: 1; }
.stat-value.good { color: var(--success); }
.stat-value.warn { color: var(--warning); }
.stat-value.bad  { color: var(--danger); }
.stat-value.info { color: var(--info); }
.stat-value.accent { color: var(--accent); }
.stat-sub { font-size: 0.72rem; color: var(--text-muted); }

/* ── Tables ───────────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
thead { background: rgba(255,255,255,0.03); }
th { padding: 10px 14px; text-align: left; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); border-bottom: 1px solid var(--border); font-weight: 600; white-space: nowrap; }
td { padding: 10px 14px; border-bottom: 1px solid rgba(48,54,61,0.5); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.02); }
td a { color: var(--text-primary); font-weight: 500; }
td a:hover { color: var(--accent); text-decoration: none; }

/* ── Badges ───────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-critical { background: rgba(248,81,73,0.18); color: var(--danger); border: 1px solid rgba(248,81,73,0.3); }
.badge-high     { background: rgba(227,128,29,0.18); color: #e3801d; border: 1px solid rgba(227,128,29,0.3); }
.badge-medium   { background: rgba(227,179,65,0.18); color: var(--warning); border: 1px solid rgba(227,179,65,0.3); }
.badge-low      { background: rgba(110,118,129,0.18); color: var(--text-muted); border: 1px solid var(--border); }
.badge-success  { background: rgba(63,185,80,0.18); color: var(--success); border: 1px solid rgba(63,185,80,0.3); }
.badge-info     { background: rgba(88,166,255,0.18); color: var(--info); border: 1px solid rgba(88,166,255,0.3); }
.badge-accent   { background: rgba(20,217,212,0.18); color: var(--accent); border: 1px solid rgba(20,217,212,0.3); }
.badge-warning  { background: rgba(227,179,65,0.18); color: var(--warning); border: 1px solid rgba(227,179,65,0.3); }
.badge-danger   { background: rgba(248,81,73,0.18); color: var(--danger); border: 1px solid rgba(248,81,73,0.3); }
.badge-muted    { background: rgba(110,118,129,0.12); color: var(--text-muted); border: 1px solid var(--border); }

/* Status dots */
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; vertical-align: middle; flex-shrink: 0; }
.dot-green  { background: var(--success); box-shadow: 0 0 6px rgba(63,185,80,0.5); }
.dot-yellow { background: var(--warning); box-shadow: 0 0 6px rgba(227,179,65,0.5); }
.dot-red    { background: var(--danger);  box-shadow: 0 0 6px rgba(248,81,73,0.5); }
.dot-blue   { background: var(--info);    box-shadow: 0 0 6px rgba(88,166,255,0.5); }
.dot-pulse { animation: pulse 2s infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Buttons ──────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #0d1117; border-color: var(--accent); }
.btn-primary:hover { background: #11c4bf; }
.btn-accent { background: var(--accent); color: #0d1117; border-color: var(--accent); }
.btn-accent:hover { background: #11c4bf; }
.btn-outline { background: transparent; color: var(--text-secondary); border-color: var(--border); }
.btn-outline:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); }
.btn-danger  { background: rgba(248,81,73,0.15); color: var(--danger); border-color: rgba(248,81,73,0.3); }
.btn-danger:hover { background: rgba(248,81,73,0.25); }
.btn-success { background: rgba(63,185,80,0.15); color: var(--success); border-color: rgba(63,185,80,0.3); }
.btn-success:hover { background: rgba(63,185,80,0.25); }
.btn-ai { background: linear-gradient(135deg, rgba(20,217,212,0.15), rgba(88,166,255,0.15)); color: var(--accent); border-color: rgba(20,217,212,0.3); }
.btn-ai:hover { background: linear-gradient(135deg, rgba(20,217,212,0.25), rgba(88,166,255,0.25)); }
.btn-sm { padding: 5px 10px; font-size: 0.78rem; }
.btn-xs { padding: 3px 8px; font-size: 0.72rem; }

/* ── Forms ────────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 5px; font-weight: 500; }
.form-control {
  width: 100%;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 9px 12px;
  font-size: 0.88rem;
  transition: border-color 0.15s;
}
.form-control:focus { outline: none; border-color: var(--accent); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control option { background: var(--bg-card); }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ── Alerts ──────────────────────────────────────────────────────────────────── */
.alert { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 0.88rem; border: 1px solid; }
.alert-success { background: rgba(63,185,80,0.1);  border-color: rgba(63,185,80,0.3);  color: var(--success); }
.alert-danger  { background: rgba(248,81,73,0.1);  border-color: rgba(248,81,73,0.3);  color: var(--danger); }
.alert-warning { background: rgba(227,179,65,0.1); border-color: rgba(227,179,65,0.3); color: var(--warning); }
.alert-info    { background: rgba(88,166,255,0.1); border-color: rgba(88,166,255,0.3); color: var(--info); }

/* ── Property Cards ─────────────────────────────────────────────────────────── */
.property-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.property-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex; flex-direction: column; gap: 8px;
  transition: border-color 0.15s;
  text-decoration: none;
}
.property-card:hover { border-color: var(--accent); text-decoration: none; }
.property-card-ref { font-size: 0.72rem; color: var(--text-muted); font-family: monospace; }
.property-card-address { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }
.property-card-location { font-size: 0.78rem; color: var(--text-muted); }
.property-card-price { font-size: 1.1rem; font-weight: 700; color: var(--accent); }
.property-card-meta { display: flex; gap: 12px; flex-wrap: wrap; font-size: 0.75rem; color: var(--text-muted); }

/* ── Market Heat Index ────────────────────────────────────────────────────────── */
.heat-bar-bg { background: var(--bg-base); border-radius: 4px; height: 8px; overflow: hidden; }
.heat-bar-fill { height: 100%; border-radius: 4px; transition: width 0.3s; }

/* ── AI analysis section ─────────────────────────────────────────────────────── */
.ai-section {
  background: linear-gradient(135deg, rgba(20,217,212,0.05), rgba(88,166,255,0.05));
  border: 1px solid rgba(20,217,212,0.2);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}
.ai-section-title { font-size: 0.82rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 12px; display: flex; align-items: center; gap: 6px; }
.ai-flags { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.ai-flag { background: rgba(248,81,73,0.12); color: var(--danger); border: 1px solid rgba(248,81,73,0.25); border-radius: 3px; padding: 2px 7px; font-size: 0.72rem; }

/* ── Confidence Gauge ────────────────────────────────────────────────────────── */
.confidence-circle {
  width: 72px; height: 72px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 700;
  flex-shrink: 0;
}
.confidence-circle.high   { background: rgba(63,185,80,0.15);  color: var(--success); border: 2px solid rgba(63,185,80,0.4); }
.confidence-circle.medium { background: rgba(227,179,65,0.15); color: var(--warning); border: 2px solid rgba(227,179,65,0.4); }
.confidence-circle.low    { background: rgba(248,81,73,0.15);  color: var(--danger);  border: 2px solid rgba(248,81,73,0.4); }

/* ── Filter bar ──────────────────────────────────────────────────────────────── */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 16px;
}
.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.filter-control { background: var(--bg-base); border: 1px solid var(--border); color: var(--text-primary); padding: 6px 10px; border-radius: var(--radius-sm); font-size: 0.84rem; min-width: 130px; }
.filter-control:focus { outline: none; border-color: var(--accent); }

/* ── Two-column detail layout ────────────────────────────────────────────────── */
.detail-grid { display: grid; grid-template-columns: 1fr 340px; gap: 20px; }
@media (max-width: 960px) { .detail-grid { grid-template-columns: 1fr; } }

/* ── Sidebar detail panel ────────────────────────────────────────────────────── */
.detail-meta { display: flex; flex-direction: column; gap: 12px; }
.meta-row { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 1px solid rgba(48,54,61,0.4); padding-bottom: 8px; }
.meta-row:last-child { border-bottom: none; }
.meta-label { font-size: 0.75rem; color: var(--text-muted); }
.meta-value { font-size: 0.84rem; text-align: right; max-width: 60%; }

/* ── Login page ──────────────────────────────────────────────────────────────── */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg-base); }
.login-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px; width: 100%; max-width: 400px; }
.login-logo { text-align: center; margin-bottom: 24px; }
.login-logo .brand-name { font-size: 1.3rem; font-weight: 700; color: var(--accent); }
.login-logo .brand-sub { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.login-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 20px; text-align: center; }

/* ── Utilities ───────────────────────────────────────────────────────────────── */
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-info    { color: var(--info); }
.text-accent  { color: var(--accent); }
.text-muted   { color: var(--text-muted); }
.text-sm      { font-size: 0.78rem; }
.text-xs      { font-size: 0.72rem; }
.fw-600       { font-weight: 600; }
.fw-700       { font-weight: 700; }
.mt-1  { margin-top: 4px; }
.mt-2  { margin-top: 8px; }
.mt-3  { margin-top: 12px; }
.mt-4  { margin-top: 16px; }
.mt-5  { margin-top: 24px; }
.mb-4  { margin-bottom: 16px; }
.mb-5  { margin-bottom: 24px; }
.d-flex { display: flex; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.w-100 { width: 100%; }
.scroll-x { overflow-x: auto; }
.text-center { text-align: center; }

/* ── Responsive ──────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main-content { margin-left: 0; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}