/* =============================================================================
   SLPI Smart QR Attendance -- Global Glassmorphism Theme
   ============================================================================= */

:root {
  --slpi-primary: #4f46e5;
  --slpi-primary-dark: #3730a3;
  --slpi-accent: #06b6d4;
  --slpi-success: #10b981;
  --slpi-warning: #f59e0b;
  --slpi-danger: #ef4444;
  --slpi-bg-1: #0f172a;
  --slpi-bg-2: #4338ca;
  --slpi-glass-bg: rgba(255, 255, 255, 0.12);
  --slpi-glass-border: rgba(255, 255, 255, 0.25);
  --slpi-text-light: #f8fafc;
  --slpi-text-muted: #cbd5e1;
  --sidebar-width: 270px;
}

* { box-sizing: border-box; }

body {
  font-family: 'Inter', 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, var(--slpi-bg-1) 0%, var(--slpi-bg-2) 55%, #7c3aed 100%);
  background-attachment: fixed;
  min-height: 100vh;
  color: #1e293b;
}

/* ---------- Reusable glass card ---------- */
.glass-card {
  background: var(--slpi-glass-bg);
  border: 1px solid var(--slpi-glass-border);
  border-radius: 20px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  color: var(--slpi-text-light);
}

.glass-panel {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 18px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.12);
}

/* ---------- Auth / login page ---------- */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 42px 36px;
}

.auth-logo {
  width: 68px;
  height: 68px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--slpi-primary), var(--slpi-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 18px;
  box-shadow: 0 10px 30px rgba(79, 70, 229, 0.45);
}

.auth-card .form-control {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  border-radius: 12px;
  padding: 12px 16px;
}
.auth-card .form-control::placeholder { color: rgba(255,255,255,0.65); }
.auth-card .form-control:focus {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--slpi-accent);
  box-shadow: 0 0 0 0.2rem rgba(6, 182, 212, 0.25);
  color: #fff;
}

.btn-slpi-primary {
  background: linear-gradient(135deg, var(--slpi-primary), var(--slpi-accent));
  border: none;
  color: #fff;
  font-weight: 600;
  border-radius: 12px;
  padding: 12px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-slpi-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(79, 70, 229, 0.4);
  color: #fff;
}

/* ---------- Layout: sidebar + topbar ---------- */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-width);
  padding: 22px 16px;
  overflow-y: auto;
  z-index: 1030;
}
.sidebar .brand { display: flex; align-items: center; gap: 12px; padding: 6px 10px 22px; }
.sidebar .brand .auth-logo { width: 42px; height: 42px; font-size: 18px; margin: 0; }
.sidebar .nav-link {
  color: var(--slpi-text-muted);
  border-radius: 12px;
  padding: 11px 14px;
  margin-bottom: 4px;
  font-weight: 500;
  display: flex; align-items: center; gap: 10px;
  transition: all 0.15s ease;
}
.sidebar .nav-link:hover, .sidebar .nav-link.active {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.main-content { margin-left: var(--sidebar-width); padding: 24px 28px 60px; min-height: 100vh; }
@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.25s ease; }
  .sidebar.show { transform: translateX(0); }
  .main-content { margin-left: 0; }
}

.topbar {
  padding: 14px 22px;
  border-radius: 16px;
  margin-bottom: 22px;
  display: flex; align-items: center; justify-content: space-between;
}

.stat-card { padding: 22px; border-radius: 18px; color: #fff; }
.stat-card .stat-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.2); font-size: 22px;
}
.stat-card .stat-value { font-size: 28px; font-weight: 800; }
.stat-card.stat-blue   { background: linear-gradient(135deg,#4f46e5,#6366f1); }
.stat-card.stat-green  { background: linear-gradient(135deg,#059669,#10b981); }
.stat-card.stat-orange { background: linear-gradient(135deg,#d97706,#f59e0b); }
.stat-card.stat-red    { background: linear-gradient(135deg,#dc2626,#ef4444); }

.table-glass { background: rgba(255,255,255,0.9); border-radius: 16px; overflow: hidden; }
.table-glass thead { background: rgba(79,70,229,0.08); }

.badge-present { background: #10b981; }
.badge-late { background: #f59e0b; }
.badge-halfday { background: #6366f1; }
.badge-absent { background: #ef4444; }

.scanner-frame {
  border: 3px dashed rgba(255,255,255,0.5);
  border-radius: 20px;
  padding: 12px;
}