/* ===== STUDENT DASHBOARD - Premium Glassmorphism Theme ===== */

:root {
  --accent-purple: #7c3aed;
  --accent-blue: #2563eb;
  --accent-pink: #ec4899;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --glass-bg: rgba(15, 15, 30, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.15);
  --text-primary: rgba(255, 255, 255, 0.95);
  --text-secondary: rgba(255, 255, 255, 0.6);
  --text-muted: rgba(255, 255, 255, 0.35);
}

/* ===== ANIMATED BACKGROUND ===== */
.student-dashboard {
  min-height: 100vh;
  background: #050510;
  position: relative;
  overflow-x: hidden;
  font-family: 'Inter', 'Outfit', sans-serif;
}

.student-dashboard::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(124, 58, 237, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 10%, rgba(236, 72, 153, 0.1) 0%, transparent 40%);
  animation: bgPulse 12s ease-in-out infinite alternate;
  z-index: 0;
  pointer-events: none;
}

@keyframes bgPulse {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-2%, 3%) scale(1.02); }
  66% { transform: translate(2%, -2%) scale(0.98); }
  100% { transform: translate(-1%, 1%) scale(1.01); }
}

/* Floating orbs */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
  animation: orbDrift linear infinite;
}
.orb-1 { width: 500px; height: 500px; background: radial-gradient(circle, #7c3aed, transparent); top: -100px; left: -100px; animation-duration: 20s; }
.orb-2 { width: 400px; height: 400px; background: radial-gradient(circle, #2563eb, transparent); bottom: -100px; right: -100px; animation-duration: 25s; animation-direction: reverse; }
.orb-3 { width: 300px; height: 300px; background: radial-gradient(circle, #ec4899, transparent); top: 40%; left: 50%; animation-duration: 18s; }

@keyframes orbDrift {
  0% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -20px) scale(1.05); }
  50% { transform: translate(-20px, 30px) scale(0.95); }
  75% { transform: translate(20px, 20px) scale(1.03); }
  100% { transform: translate(0, 0) scale(1); }
}

/* Particle stars */
.stars-container {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.star {
  position: absolute;
  width: 2px; height: 2px;
  background: white;
  border-radius: 50%;
  animation: twinkle ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { opacity: 0.1; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.5); }
}

/* ===== LAYOUT WRAPPER ===== */
.sd-wrapper {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== TOP NAVBAR ===== */
.sd-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: rgba(10, 10, 25, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.sd-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.sd-logo img { width: 36px; height: 36px; border-radius: 10px; }
.sd-logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 30%, var(--accent-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.5px;
}

.sd-nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sd-time-badge {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 8px 14px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sd-time-badge i { color: var(--accent-cyan); }

.sd-logout-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(236, 72, 153, 0.12);
  border: 1px solid rgba(236, 72, 153, 0.3);
  border-radius: 12px;
  color: var(--accent-pink);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
}
.sd-logout-btn:hover {
  background: rgba(236, 72, 153, 0.25);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(236, 72, 153, 0.25);
}

/* ===== MAIN CONTENT ===== */
.sd-main {
  flex: 1;
  padding: 32px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

/* ===== WELCOME HERO ===== */
.sd-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
  padding: 32px 36px;
  background: linear-gradient(135deg, rgba(124,58,237,0.18) 0%, rgba(37,99,235,0.15) 50%, rgba(236,72,153,0.12) 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
}

.sd-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue), var(--accent-pink));
}

.sd-hero-shine {
  position: absolute;
  top: -60%;
  right: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(124,58,237,0.15), transparent 70%);
  pointer-events: none;
}

.sd-hero-greeting {
  font-size: 0.9rem;
  color: var(--accent-cyan);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sd-hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 8px 0;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.sd-hero h1 span {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sd-hero-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.sd-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
}
.sd-hero-badge.active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.sd-avatar {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  font-weight: 800;
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.4);
  border: 3px solid rgba(255,255,255,0.15);
  flex-shrink: 0;
  position: relative;
}

.sd-avatar::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--accent-purple), var(--accent-blue), var(--accent-pink), var(--accent-purple));
  z-index: -1;
  animation: avatarSpin 4s linear infinite;
  opacity: 0.6;
}

@keyframes avatarSpin {
  to { transform: rotate(360deg); }
}

/* ===== STATS CARDS ===== */
.sd-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.sd-stat-card {
  background: rgba(15, 15, 30, 0.7);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: default;
}

.sd-stat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  border-color: rgba(255,255,255,0.15);
}

.sd-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: 20px 20px 0 0;
}

.sd-stat-card.purple::before { background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue)); }
.sd-stat-card.blue::before { background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan)); }
.sd-stat-card.pink::before { background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple)); }
.sd-stat-card.green::before { background: linear-gradient(90deg, var(--accent-emerald), var(--accent-cyan)); }

.sd-stat-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.sd-stat-card.purple .sd-stat-icon { background: rgba(124,58,237,0.15); color: var(--accent-purple); }
.sd-stat-card.blue .sd-stat-icon { background: rgba(37,99,235,0.15); color: var(--accent-blue); }
.sd-stat-card.pink .sd-stat-icon { background: rgba(236,72,153,0.15); color: var(--accent-pink); }
.sd-stat-card.green .sd-stat-icon { background: rgba(16,185,129,0.15); color: var(--accent-emerald); }

.sd-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-weight: 600;
  margin-bottom: 6px;
}

.sd-stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.sd-stat-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== MAIN GRID ===== */
.sd-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

/* ===== GLASS CARD BASE ===== */
.sd-card {
  background: rgba(15, 15, 30, 0.7);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 28px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.sd-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.sd-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sd-card-title i {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}
.icon-purple { background: rgba(124,58,237,0.2); color: var(--accent-purple); }
.icon-blue { background: rgba(37,99,235,0.2); color: var(--accent-blue); }
.icon-pink { background: rgba(236,72,153,0.2); color: var(--accent-pink); }
.icon-green { background: rgba(16,185,129,0.2); color: var(--accent-emerald); }
.icon-amber { background: rgba(245,158,11,0.2); color: var(--accent-amber); }
.icon-cyan { background: rgba(6,182,212,0.2); color: var(--accent-cyan); }

/* ===== INFO ROWS ===== */
.sd-info-row {
  display: flex;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  gap: 16px;
  transition: all 0.2s ease;
}

.sd-info-row:last-child { border-bottom: none; }

.sd-info-row:hover {
  background: rgba(255,255,255,0.02);
  border-radius: 10px;
  padding-left: 8px;
  padding-right: 8px;
  margin: 0 -8px;
}

.sd-info-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.sd-info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 2px;
}

.sd-info-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ===== ATTENDANCE SECTION ===== */
.sd-attendance-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 18px 22px;
  background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(37,99,235,0.2));
  border: 1px solid rgba(124,58,237,0.35);
  border-radius: 16px;
  color: white;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  text-align: left;
  margin-bottom: 16px;
}

.sd-attendance-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124,58,237,0.3), rgba(37,99,235,0.3));
  opacity: 0;
  transition: opacity 0.3s;
}

.sd-attendance-btn:hover::before { opacity: 1; }
.sd-attendance-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(124,58,237,0.3);
  border-color: rgba(124,58,237,0.6);
}

.sd-attendance-btn:active { transform: translateY(0); }

.sd-attendance-btn .btn-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(124,58,237,0.4);
  position: relative;
  z-index: 1;
}

.sd-attendance-btn .btn-text {
  position: relative;
  z-index: 1;
}

.sd-attendance-btn .btn-text strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 2px;
}
.sd-attendance-btn .btn-text span {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  font-weight: 400;
}

.sd-attendance-btn .btn-arrow {
  margin-left: auto;
  color: rgba(255,255,255,0.4);
  transition: all 0.3s;
  position: relative;
  z-index: 1;
}
.sd-attendance-btn:hover .btn-arrow {
  color: white;
  transform: translateX(4px);
}

/* ===== ATTENDANCE SUMMARY BARS ===== */
.sd-att-summary {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.sd-att-pill {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 14px 16px;
  text-align: center;
  transition: all 0.3s ease;
}

.sd-att-pill:hover {
  background: rgba(255,255,255,0.07);
  transform: translateY(-2px);
}

.sd-att-pill .pill-num {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}
.sd-att-pill.present .pill-num { color: var(--accent-emerald); }
.sd-att-pill.absent .pill-num { color: var(--accent-pink); }
.sd-att-pill.total .pill-num { color: var(--accent-cyan); }

.sd-att-pill .pill-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  font-weight: 600;
}

/* Progress bar */
.sd-progress-section { margin-bottom: 20px; }
.sd-progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.sd-progress-label .label-text { font-size: 0.85rem; color: var(--text-secondary); font-weight: 500; }
.sd-progress-label .label-pct {
  font-size: 1rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-emerald), var(--accent-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sd-progress-bar {
  height: 10px;
  background: rgba(255,255,255,0.06);
  border-radius: 30px;
  overflow: hidden;
  position: relative;
}

.sd-progress-fill {
  height: 100%;
  border-radius: 30px;
  background: linear-gradient(90deg, var(--accent-emerald), var(--accent-cyan));
  position: relative;
  transition: width 1.5s cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
}

.sd-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: progressShine 2.5s ease-in-out infinite;
}

@keyframes progressShine {
  to { left: 100%; }
}

/* ===== BUS INFO CARD ===== */
.sd-bus-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px;
  background: rgba(37,99,235,0.1);
  border: 1px solid rgba(37,99,235,0.25);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.sd-bus-card:hover {
  background: rgba(37,99,235,0.18);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.15);
}

.sd-bus-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(37,99,235,0.3);
}

.sd-bus-info .bus-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.8px; font-weight: 600; }
.sd-bus-info .bus-value { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-top: 2px; }
.sd-bus-info .bus-sub { font-size: 0.82rem; color: var(--text-secondary); margin-top: 2px; }

.sd-bus-status {
  margin-left: auto;
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sd-bus-status.active {
  background: rgba(16,185,129,0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16,185,129,0.3);
}

/* ===== MODAL ===== */
.sd-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,5,0.85);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
}

.sd-modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.sd-modal {
  background: rgba(12, 12, 28, 0.98);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
  width: 100%;
  max-width: 700px;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(124,58,237,0.2);
  transform: scale(0.9) translateY(20px);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.sd-modal-overlay.open .sd-modal {
  transform: scale(1) translateY(0);
}

.sd-modal-header {
  padding: 24px 28px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(124,58,237,0.12), rgba(37,99,235,0.08));
  position: relative;
}

.sd-modal-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue), transparent);
}

.sd-modal-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}
.sd-modal-title i {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}

.sd-modal-close {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: all 0.2s;
}
.sd-modal-close:hover {
  background: rgba(236,72,153,0.2);
  color: var(--accent-pink);
  border-color: rgba(236,72,153,0.3);
}

.sd-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
}

.sd-modal-body::-webkit-scrollbar { width: 4px; }
.sd-modal-body::-webkit-scrollbar-track { background: rgba(255,255,255,0.03); }
.sd-modal-body::-webkit-scrollbar-thumb { background: rgba(124,58,237,0.4); border-radius: 4px; }

/* Attendance month grid */
.att-month-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.att-month-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.att-month-stats {
  display: flex;
  gap: 16px;
}

.att-stat-mini {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
}
.att-stat-mini.p { color: var(--accent-emerald); }
.att-stat-mini.a { color: var(--accent-pink); }

/* Calendar */
.att-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 24px;
}

.att-cal-head {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 6px 0;
}

.att-cal-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.2s;
  cursor: default;
  position: relative;
}

.att-cal-day.present {
  background: rgba(16,185,129,0.18);
  color: var(--accent-emerald);
  border: 1px solid rgba(16,185,129,0.3);
}
.att-cal-day.present::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent-emerald);
}

.att-cal-day.absent {
  background: rgba(236,72,153,0.12);
  color: var(--accent-pink);
  border: 1px solid rgba(236,72,153,0.25);
}

.att-cal-day.today {
  background: linear-gradient(135deg, rgba(124,58,237,0.3), rgba(37,99,235,0.3));
  color: white;
  border: 1px solid rgba(124,58,237,0.5);
  box-shadow: 0 0 12px rgba(124,58,237,0.3);
}

.att-cal-day.empty { background: transparent; }

.att-cal-day.holiday {
  background: rgba(245,158,11,0.1);
  color: var(--accent-amber);
  border: 1px solid rgba(245,158,11,0.2);
}

/* Legend */
.att-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.att-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.att-legend-dot {
  width: 12px; height: 12px;
  border-radius: 4px;
}
.att-legend-dot.p { background: rgba(16,185,129,0.5); border: 1px solid rgba(16,185,129,0.5); }
.att-legend-dot.a { background: rgba(236,72,153,0.3); border: 1px solid rgba(236,72,153,0.4); }
.att-legend-dot.h { background: rgba(245,158,11,0.3); border: 1px solid rgba(245,158,11,0.4); }
.att-legend-dot.t { background: linear-gradient(135deg, rgba(124,58,237,0.4), rgba(37,99,235,0.4)); border: 1px solid rgba(124,58,237,0.4); }

/* Loading state */
.sd-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  gap: 16px;
}

.sd-spinner {
  width: 44px; height: 44px;
  border: 3px solid rgba(124,58,237,0.2);
  border-top-color: var(--accent-purple);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.sd-loading p { color: var(--text-secondary); font-size: 0.9rem; }

/* ===== RECENT ACTIVITY ===== */
.sd-scan-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sd-scan-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 14px;
  transition: all 0.2s;
  animation: slideInRight 0.4s ease;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}

.sd-scan-item:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(124,58,237,0.2);
}

.sd-scan-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 8px currentColor;
}
.sd-scan-dot.check-in { background: var(--accent-emerald); color: var(--accent-emerald); }
.sd-scan-dot.check-out { background: var(--accent-amber); color: var(--accent-amber); }

.sd-scan-info { flex: 1; }
.sd-scan-info .scan-type { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); }
.sd-scan-info .scan-bus { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }

.sd-scan-time {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  background: rgba(255,255,255,0.04);
  padding: 4px 10px;
  border-radius: 8px;
}

.sd-empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}
.sd-empty-state i { font-size: 2rem; margin-bottom: 10px; display: block; opacity: 0.4; }
.sd-empty-state p { font-size: 0.9rem; }

/* Pulse animation for live indicator */
.sd-live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-emerald);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sd-live-dot {
  width: 6px; height: 6px;
  background: var(--accent-emerald);
  border-radius: 50%;
  animation: livePulse 1.5s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* ===== FLASH MESSAGES ===== */
.sd-flash {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 340px;
}

.sd-flash-msg {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 14px;
  font-size: 0.9rem;
  font-weight: 500;
  backdrop-filter: blur(16px);
  animation: flashIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
}

.sd-flash-msg.success {
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--accent-emerald);
}
.sd-flash-msg.error {
  background: rgba(236,72,153,0.15);
  border: 1px solid rgba(236,72,153,0.3);
  color: var(--accent-pink);
}

@keyframes flashIn {
  from { opacity: 0; transform: translateX(20px) scale(0.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .sd-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .sd-grid { grid-template-columns: 1fr; }
  .sd-hero { grid-template-columns: 1fr; }
  .sd-avatar { display: none; }
}

@media (max-width: 600px) {
  .sd-main { padding: 16px; }
  .sd-navbar { padding: 12px 16px; }
  .sd-hero { padding: 24px 20px; }
  .sd-hero h1 { font-size: 1.8rem; }
  .sd-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .sd-stat-card { padding: 18px; }
  .sd-stat-value { font-size: 1.3rem; }
  .sd-card { padding: 20px; }
  .sd-time-badge { display: none; }
}

/* ===== STUDENT LOGIN ENHANCEMENTS ===== */
.student-login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #050510;
  position: relative;
  overflow: hidden;
}

.student-login-page::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(124,58,237,0.25) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 70%, rgba(37,99,235,0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 10%, rgba(236,72,153,0.15) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
  animation: bgPulse 10s ease-in-out infinite alternate;
}

.sl-grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(124,58,237,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.student-login-page header,
.student-login-page main {
  position: relative;
  z-index: 1;
}

.sl-floating-card {
  position: absolute;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 16px 20px;
  pointer-events: none;
  animation: floatCard ease-in-out infinite alternate;
}

.sl-card-1 {
  top: 15%;
  left: 5%;
  background: rgba(124,58,237,0.08);
  width: 180px;
  animation-duration: 4s;
}

.sl-card-2 {
  top: 60%;
  left: 3%;
  background: rgba(37,99,235,0.08);
  width: 150px;
  animation-duration: 5s;
  animation-delay: 1s;
}

.sl-card-3 {
  top: 20%;
  right: 5%;
  background: rgba(236,72,153,0.08);
  width: 160px;
  animation-duration: 4.5s;
  animation-delay: 0.5s;
}

.sl-card-4 {
  top: 65%;
  right: 4%;
  background: rgba(6,182,212,0.08);
  width: 170px;
  animation-duration: 6s;
  animation-delay: 2s;
}

@keyframes floatCard {
  from { transform: translateY(0) rotate(0deg); }
  to { transform: translateY(-15px) rotate(1deg); }
}

.sl-float-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 8px;
}

.sl-float-value {
  font-size: 1.1rem;
  font-weight: 800;
  color: rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sl-float-icon {
  width: 28px; height: 28px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
}