/* =========================
   Global Styles
   ========================= */
html, body {
  height: 100%;
  margin: 0;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: url('static/images/bg.png') no-repeat center center fixed;
  background-size: contain;
  margin: 0;
  color: #1e293b;
  display: flex;                     /* right-side alignment */
  justify-content: flex-end;
  align-items: flex-start;
  padding: 2rem;                      /* spacing around the panel */
}

/* Optional overlay if background is busy */

 body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.4);
  z-index: -1;
} 

h5, h4, h3 {
  font-weight: 600;
}

/* =========================
   Right Panel Wrapper
   ========================= */
.right-panel {
  width: 420px;                       /* fixed column width */
  max-width: 90vw;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 1rem;
  padding: 2rem 1.5rem;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  overflow-y: auto;                   /* scroll if content grows */
}

/* Keep Bootstrap rows/cards inside panel tidy */
.right-panel .row {
  margin: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;                         /* spacing between cards */
}

.right-panel .col-lg-4,
.right-panel .col-lg-8 {
  flex: 0 0 auto;         /* stop Bootstrap from auto-stretching */
  max-width: none;        /* remove the percentage width constraint */
}

/* =========================
   Card Styles
   ========================= */
.card {
  border: none;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.card h5 {
  color: #0f172a;
}

.card .btn {
  border-radius: 0.6rem;
  font-weight: 500;
  transition: background-color 0.2s ease;
}

.card .btn-primary:hover,
.card .btn-success:hover,
.card .btn-warning:hover {
  filter: brightness(0.95);
}

/* =========================
   Progress Bar & Chart
   ========================= */
.progress {
  background-color: #e2e8f0;
  border-radius: 1rem;
}

.progress-bar {
  background: linear-gradient(90deg, #3b82f6, #2563eb);
  font-weight: 600;
  border-radius: 1rem;
}

#attendanceChart {
  max-height: 320px;
}

/* =========================
   Navbar & Utilities
   ========================= */
.navbar {
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.navbar-brand {
  font-size: 1.4rem;
  letter-spacing: 0.5px;
}

.btn-outline-light {
  border-radius: 0.5rem;
  transition: all 0.2s ease;
}

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.text-muted {
  color: #64748b !important;
}

.shadow-sm {
  box-shadow: 0 2px 8px rgba(0,0,0,0.08) !important;
}

/* =========================
   Responsive
   ========================= */
@media (max-width: 768px) {
  body {
    justify-content: center;          /* center on small screens */
    padding: 1rem;
  }
  .right-panel {
    width: 100%;
    max-width: 500px;
  }
}