/* ═══════════════════════════════════════════════════════════════════════
   SOMS Custom CSS
   Supplements Tailwind CDN with reusable component classes
═══════════════════════════════════════════════════════════════════════ */

/* ─── Sidebar nav link ─────────────────────────────────────────────────── */
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgb(148, 163, 184);   /* slate-400 */
  transition: background-color 150ms, color 150ms;
  text-decoration: none;
}
.nav-link:hover {
  background-color: rgb(30, 41, 59);   /* slate-800 */
  color: #fff;
}
.nav-link-active {
  background-color: rgb(49, 46, 129, 0.5);  /* brand-900/50 */
  color: rgb(165, 180, 252);                 /* brand-300 */
}
.nav-link-active:hover {
  background-color: rgb(49, 46, 129, 0.7);
  color: rgb(199, 210, 254);
}

/* ─── Form inputs ──────────────────────────────────────────────────────── */
.form-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background-color: #0f172a;    /* surface */
  border: 1px solid #334155;    /* border */
  border-radius: 0.5rem;
  font-size: 0.875rem;
  color: #fff;
  transition: border-color 200ms, box-shadow 200ms;
  outline: none;
}
.form-input:focus {
  border-color: rgb(99, 102, 241);   /* brand-500 */
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}
.form-input::placeholder {
  color: rgb(100, 116, 139);  /* slate-500 */
}
.form-input.error {
  border-color: rgb(185, 28, 28);  /* red-700 */
}

/* ─── Status badges ────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}
.badge-present   { background: rgba(5, 150, 105, 0.2); color: #34d399; }
.badge-absent    { background: rgba(185, 28, 28, 0.2); color: #f87171; }
.badge-late      { background: rgba(217, 119, 6, 0.2); color: #fbbf24; }
.badge-half_day  { background: rgba(124, 58, 237, 0.2); color: #a78bfa; }

.badge-pending     { background: rgba(100, 116, 139, 0.2); color: #94a3b8; }
.badge-in_progress { background: rgba(59, 130, 246, 0.2);  color: #60a5fa; }
.badge-completed   { background: rgba(5, 150, 105, 0.2);   color: #34d399; }
.badge-rejected    { background: rgba(185, 28, 28, 0.2);   color: #f87171; }

.badge-high   { background: rgba(185, 28, 28, 0.15); color: #f87171; }
.badge-medium { background: rgba(217, 119, 6, 0.15); color: #fbbf24; }
.badge-low    { background: rgba(5, 150, 105, 0.15); color: #34d399; }

.badge-active   { background: rgba(5, 150, 105, 0.2); color: #34d399; }
.badge-inactive { background: rgba(100, 116, 139, 0.2); color: #94a3b8; }

/* ─── Metric cards (dashboard) ─────────────────────────────────────────── */
.metric-card {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 1rem;
  padding: 1.25rem;
  transition: border-color 200ms, transform 200ms;
}
.metric-card:hover {
  border-color: rgb(99, 102, 241, 0.5);
  transform: translateY(-1px);
}

/* ─── Table ────────────────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgb(100, 116, 139);  /* slate-500 */
  border-bottom: 1px solid #334155;
}
.data-table td {
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  color: rgb(203, 213, 225);  /* slate-300 */
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
}
.data-table tr:hover td {
  background: rgba(30, 41, 59, 0.6);
}
.data-table tr:last-child td {
  border-bottom: none;
}

/* ─── Page header ──────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}
.page-subtitle {
  font-size: 0.875rem;
  color: rgb(100, 116, 139);
  margin-top: 0.125rem;
}

/* ─── Primary button ───────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgb(79, 70, 229);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 150ms, transform 150ms;
}
.btn-primary:hover {
  background: rgb(99, 102, 241);
  transform: translateY(-1px);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgb(51, 65, 85);
  color: rgb(203, 213, 225);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 150ms;
}
.btn-secondary:hover {
  background: rgb(71, 85, 105);
}
.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(185, 28, 28, 0.3);
  color: rgb(252, 165, 165);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.5rem;
  border: 1px solid rgba(185, 28, 28, 0.4);
  cursor: pointer;
  text-decoration: none;
  transition: background 150ms;
}
.btn-danger:hover {
  background: rgba(185, 28, 28, 0.5);
}

/* ─── Card ─────────────────────────────────────────────────────────────── */
.card {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 1rem;
  overflow: hidden;
}
.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid #334155;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}
.card-body {
  padding: 1.5rem;
}

/* ─── GPS indicator ────────────────────────────────────────────────────── */
.gps-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-weight: 500;
}
.gps-acquiring  { background: rgba(217, 119, 6, 0.15); color: #fbbf24; }
.gps-acquired   { background: rgba(5, 150, 105, 0.15); color: #34d399; }
.gps-denied     { background: rgba(185, 28, 28, 0.15); color: #f87171; }

/* ─── Loading spinner ──────────────────────────────────────────────────── */
.spinner {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ─── Scrollbar ────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #0f172a; }
::-webkit-scrollbar-thumb { background: #334155; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #475569; }