/* ============================================================
   Admin Panel — Dark theme
   ============================================================ */

:root {
  --bg: #0b1220;
  --surface-1: #131c2e;
  --surface-2: #1a2540;
  --surface-hover: #1e2a49;
  --border: #243047;
  --border-strong: #2f3d5c;
  --text: #e5e9f0;
  --text-muted: #8892a6;
  --text-dim: #5b6478;
  --accent: #4f8cff;
  --accent-hover: #6ea0ff;
  --success: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --sidebar-w: 240px;
  --sidebar-w-collapsed: 64px;
  --topbar-h: 56px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* -------- Sidebar -------- */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--surface-1);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.sidebar-brand {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.3px;
}
.sidebar-brand-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  margin-right: 10px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}
.sidebar-nav-section {
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 16px 20px 8px;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  padding: 9px 20px;
  color: var(--text-muted);
  border-left: 2px solid transparent;
  font-size: 14px;
  transition: all 0.15s;
}
.sidebar-nav a:hover {
  background: var(--surface-2);
  color: var(--text);
}
.sidebar-nav a.active {
  background: var(--surface-2);
  color: var(--text);
  border-left-color: var(--accent);
}
.sidebar-nav a .icon {
  width: 18px; height: 18px;
  margin-right: 12px;
  opacity: 0.9;
}

.sidebar-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-dim);
}

/* -------- Topbar -------- */
.topbar {
  position: fixed;
  top: 0; right: 0; left: var(--sidebar-w);
  height: var(--topbar-h);
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 90;
}
.topbar-breadcrumb {
  color: var(--text-muted);
  font-size: 13px;
}
.topbar-breadcrumb .sep { margin: 0 8px; color: var(--text-dim); }
.topbar-breadcrumb .current { color: var(--text); font-weight: 500; }

.topbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.topbar-user .avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600;
}

/* -------- Main -------- */
.main {
  margin-left: var(--sidebar-w);
  margin-top: var(--topbar-h);
  padding: 24px;
  min-height: calc(100vh - var(--topbar-h));
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.page-title {
  font-size: 20px;
  font-weight: 600;
  margin: 0;
}
.page-subtitle {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 4px;
}

/* -------- Card -------- */
.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin: -20px -20px 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
.card-header h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
}

/* -------- Stat cards -------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
}
.stat-card .label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.stat-card .value {
  font-size: 24px;
  font-weight: 600;
}
.stat-card .delta { font-size: 12px; margin-top: 4px; }
.stat-card .delta.up { color: var(--success); }
.stat-card .delta.down { color: var(--danger); }

/* -------- Table -------- */
.table {
  width: 100%;
  border-collapse: collapse;
}
.table th, .table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.table th {
  font-weight: 500;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  background: var(--surface-2);
}
.table tbody tr:hover { background: var(--surface-hover); }
.table td .muted { color: var(--text-muted); font-size: 12px; }

/* -------- Buttons -------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  font-family: inherit;
}
.btn:hover { background: var(--surface-hover); border-color: var(--accent); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }
.btn-danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon { padding: 6px 8px; }

/* -------- Form -------- */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}
.form-help {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}
.form-control, .form-select {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
}
.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.15);
}
textarea.form-control { min-height: 90px; font-family: 'Consolas', monospace; }
.form-check { display: flex; align-items: center; gap: 8px; }
.form-check input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 768px) { .form-row { grid-template-columns: 1fr; } }

/* -------- Badge -------- */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.badge-success { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.badge-warn { background: rgba(245, 158, 11, 0.15); color: var(--warn); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-muted { background: var(--surface-2); color: var(--text-muted); }
.badge-accent { background: rgba(79, 140, 255, 0.15); color: var(--accent); }

/* -------- Alert -------- */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  border: 1px solid;
  font-size: 13px;
}
.alert-success { background: rgba(34, 197, 94, 0.08); border-color: rgba(34, 197, 94, 0.3); color: #86efac; }
.alert-danger { background: rgba(239, 68, 68, 0.08); border-color: rgba(239, 68, 68, 0.3); color: #fca5a5; }
.alert-info { background: rgba(79, 140, 255, 0.08); border-color: rgba(79, 140, 255, 0.3); color: #93b8ff; }

/* -------- Login page -------- */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 380px;
}
.login-card h1 {
  font-size: 20px;
  margin: 0 0 4px;
  text-align: center;
}
.login-card .subtitle {
  color: var(--text-muted);
  text-align: center;
  font-size: 13px;
  margin-bottom: 24px;
}

/* -------- Chip / Tag input -------- */
.chip-input {
  position: relative;
}
.chip-box {
  min-height: 40px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 6px 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.chip-box:focus-within { border-color: var(--accent); }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 4px 3px 10px;
  border-radius: 12px;
  background: rgba(79, 140, 255, 0.15);
  color: var(--accent);
  font-size: 12px;
  white-space: nowrap;
  max-width: 100%;
}
.chip .chip-name { overflow: hidden; text-overflow: ellipsis; }
.chip .chip-x {
  border: none;
  background: none;
  color: var(--accent);
  cursor: pointer;
  padding: 0 4px;
  font-size: 14px;
  line-height: 1;
  border-radius: 8px;
}
.chip .chip-x:hover { background: rgba(79,140,255,0.25); }
.chip-placeholder { color: var(--text-dim); font-size: 13px; }
.chip-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  max-height: 260px;
  overflow-y: auto;
  z-index: 20;
  padding: 4px 0;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.chip-option {
  padding: 8px 12px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}
.chip-option:hover { background: var(--surface-hover); }
.chip-option .name { flex: 1; overflow: hidden; text-overflow: ellipsis; margin-right: 8px; }
.chip-option.selected { color: var(--text-dim); }
.chip-option.selected::after { content: '✓'; color: var(--success); }
.chip-search {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--surface-2);
}
.chip-search input {
  width: 100%;
  padding: 6px 10px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  color: var(--text);
  font-size: 13px;
}

/* -------- Horizontal scope tabs -------- */
.scope-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  overflow-x: auto;
}
.scope-tab {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.scope-tab:hover { color: var(--text); }
.scope-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* -------- Chart -------- */
.chart-filters {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}
.chart-filter-btn {
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
}
.chart-filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 900px) { .chart-grid { grid-template-columns: 1fr; } }
.chart-box {
  position: relative;
}
.chart-box svg { display: block; width: 100%; height: auto; }
.chart-title {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}
.chart-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 12px;
  white-space: nowrap;
  transform: translate(-50%, -110%);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
  z-index: 5;
  opacity: 0;
  transition: opacity 0.1s;
}
.chart-tooltip.visible { opacity: 1; }
.chart-tooltip .tt-date { color: var(--text-muted); margin-bottom: 4px; }
.chart-tooltip .tt-value { color: var(--text); font-weight: 600; }
.chart-tooltip .tt-key { display: inline-block; width: 10px; height: 2px; margin-right: 6px; vertical-align: middle; }
.chart-empty { text-align: center; color: var(--text-dim); padding: 40px 0; font-size: 13px; }

/* -------- Utilities -------- */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }
.text-right { text-align: right; }
.mono { font-family: 'Consolas', 'Courier New', monospace; font-size: 12px; }