/* Light theme: blue + white. Bootstrap 5 light mode + custom blue accents. */

:root {
  --primary-1: #2563eb;     /* primary blue */
  --primary-2: #1d4ed8;     /* deep blue (hover) */
  --primary-3: #dbeafe;     /* very light blue (subtle bg) */
  --bg-1: #f5f8fc;          /* page bg — very soft cool tint */
  --bg-2: #ffffff;          /* cards */
  --bg-3: #eaf1fa;          /* table headers / inputs / chip bg */
  --text-1: #0f172a;        /* primary text — slate 900 */
  --muted-1: #64748b;       /* secondary text */
  --border-1: #cbd5e1;      /* borders */
  --row-hover: #eaf1fa;
  --success: #16a34a;
  --warning: #d97706;
  --danger:  #dc2626;
  --secondary: #64748b;
  --info:   #0284c7;
}

html, body {
  background: var(--bg-1);
  color: var(--text-1);
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
}

.brand {
  font-family: 'Exo 2', 'Inter', sans-serif;
  letter-spacing: 0.4px;
  font-weight: 700;
  color: var(--primary-2);
}

/* Navbar */
.navbar {
  background: var(--bg-2) !important;
  border-color: var(--border-1) !important;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
}
.navbar .navbar-brand { color: var(--primary-1); }
.navbar .nav-link { color: var(--text-1); }
.navbar .nav-link:hover { color: var(--primary-1); }
.navbar .nav-link.active { color: var(--primary-2); }
.navbar-toggler { border-color: var(--border-1); }

/* Cards */
.card {
  background: var(--bg-2);
  border-color: var(--border-1);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.card-header {
  background: var(--bg-3);
  border-color: var(--border-1);
  font-weight: 600;
  color: var(--text-1);
}

/* Buttons — keep text white on hover (per user's standing preference) */
.btn-warm,
.btn-primary {
  background: var(--primary-1);
  color: #fff;
  border: none;
  font-weight: 600;
}
.btn-warm:hover, .btn-warm:focus,
.btn-primary:hover, .btn-primary:focus {
  background: var(--primary-2);
  color: #fff;            /* never go to black */
}

.btn-outline-secondary {
  color: var(--text-1);
  border-color: var(--border-1);
  background: var(--bg-2);
}
.btn-outline-secondary:hover {
  color: #fff;
  background: var(--primary-1);
  border-color: var(--primary-1);
}
.btn-outline-secondary.active {
  background: var(--primary-1);
  border-color: var(--primary-1);
  color: #fff;
}
.btn-outline-warning {
  color: var(--primary-1);
  border-color: var(--primary-1);
  background: var(--bg-2);
}
.btn-outline-warning:hover {
  color: #fff;
  background: var(--primary-1);
}
.btn-outline-primary {
  color: var(--primary-1);
  border-color: var(--primary-1);
  background: var(--bg-2);
}
.btn-outline-primary:hover {
  color: #fff;
  background: var(--primary-1);
}

/* Forms */
.form-control, .form-select {
  background: var(--bg-2);
  color: var(--text-1);
  border-color: var(--border-1);
}
.form-control:focus, .form-select:focus {
  background: var(--bg-2);
  color: var(--text-1);
  border-color: var(--primary-1);
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.18);
}
.form-label.text-muted { color: var(--muted-1) !important; }

/* Tables */
.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--text-1);
  --bs-table-hover-bg: var(--row-hover);
  --bs-table-border-color: var(--border-1);
  --bs-table-striped-bg: #f8fafc;
}
.table thead th {
  background: var(--bg-3);
  color: var(--text-1);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-1);
}
.table td {
  border-color: var(--border-1);
  vertical-align: middle;
}
.text-muted { color: var(--muted-1) !important; }

/* DataTables tweaks */
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_info {
  color: var(--text-1);
}
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  padding: 4px 8px;
  border-radius: 4px;
}
.page-link {
  background: var(--bg-2);
  border-color: var(--border-1);
  color: var(--primary-1);
}
.page-link:hover { background: var(--primary-3); color: var(--primary-2); }
.page-item.active .page-link {
  background: var(--primary-1);
  border-color: var(--primary-1);
  color: #fff;
}

/* Badges (using bootstrap default but ensure text contrast) */
.badge.bg-success    { background: var(--success) !important; }
.badge.bg-warning    { background: var(--warning) !important; color: #fff; }
.badge.bg-danger     { background: var(--danger)  !important; }
.badge.bg-secondary  { background: var(--secondary) !important; }
.badge.bg-info       { background: var(--info)    !important; color: #fff; }
.badge.bg-primary    { background: var(--primary-1) !important; }

/* Stat cards */
.stat-card { border-width: 1px !important; }
.stat-card .stat-value {
  font-family: 'Exo 2', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.1;
}
.stat-card .text-primary    { color: var(--primary-1) !important; }
.stat-card .text-success    { color: var(--success) !important; }
.stat-card .text-warning    { color: var(--warning) !important; }
.stat-card .text-danger     { color: var(--danger)  !important; }
.stat-card .text-info       { color: var(--info)    !important; }
.stat-card .text-secondary  { color: var(--secondary) !important; }
.border-primary { border-color: var(--primary-1) !important; }
.border-success { border-color: var(--success) !important; }
.border-warning { border-color: var(--warning) !important; }
.border-danger  { border-color: var(--danger)  !important; }
.border-info    { border-color: var(--info)    !important; }
.border-secondary { border-color: var(--secondary) !important; }

/* Timeline */
.timeline { padding: 1rem 1rem 1rem 2rem; position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  left: 1.25rem;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--border-1);
}
.timeline-item {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.5rem;
  margin-left: -1.5rem;
}
.timeline-dot {
  position: absolute;
  left: -0.4rem;
  top: 0.85rem;
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid var(--bg-2);
  box-shadow: 0 0 0 2px var(--border-1);
}
.timeline-content { padding-left: 0.5rem; }

/* Live event stream */
.event-stream {
  max-height: 600px;
  overflow-y: auto;
  font-family: 'Inter', monospace;
  font-size: 0.85rem;
}
.event-stream .event-row {
  padding: 0.4rem 1rem;
  border-bottom: 1px solid var(--border-1);
  display: flex;
  gap: 0.75rem;
  align-items: center;
}
.event-stream .event-row.is-new {
  background: var(--primary-3);
  animation: fadein 1.2s ease-out;
}
@keyframes fadein {
  from { background: rgba(37, 99, 235, 0.30); }
  to   { background: var(--primary-3); }
}

/* Heatmap */
#heatmap table { border-collapse: separate; border-spacing: 2px; }
#heatmap td {
  width: 28px; height: 22px;
  text-align: center;
  font-size: 0.7rem;
  border-radius: 3px;
  background: #f1f5f9;
  color: var(--text-1);
}
#heatmap th { font-size: 0.75rem; color: var(--muted-1); padding: 2px 6px; }

/* Modal */
.modal-content { background: var(--bg-2); color: var(--text-1); border: 1px solid var(--border-1); }
.modal-header  { border-bottom-color: var(--border-1); }

/* Audio player default styling on most browsers is fine on light theme */

/* Play link in table */
.play-link {
  color: var(--primary-1);
  text-decoration: none;
  font-size: 1.05rem;
}
.play-link:hover { color: var(--primary-2); }

/* Code blocks */
code {
  background: var(--bg-3);
  color: var(--primary-2);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.85em;
}