:root {
  --bg: #f4f8fb;
  --text: #0f172a;
  --muted: #64748b;
  --card: #ffffff;
  --border: #dbe5ef;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --accent: #f59e0b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Trebuchet MS', 'Segoe UI', sans-serif;
  color: var(--text);
  background: linear-gradient(165deg, #f4f8fb 0%, #e8f2ff 100%);
}

body.dashboard-page {
  background:
    linear-gradient(rgba(8, 23, 33, 0.5), rgba(8, 23, 33, 0.5)),
    url('https://images.unsplash.com/photo-1509062522246-3755977927d7?auto=format&fit=crop&w=1920&q=80')
      center/cover no-repeat fixed;
}

body.login-page {
  background:
    linear-gradient(rgba(10, 24, 35, 0.5), rgba(10, 24, 35, 0.5)),
    url('https://img.youtube.com/vi/UJGbVRTSMQ4/hqdefault.jpg')
      center/cover no-repeat fixed;
}

body.register-page {
  background: url('/assets/register-bg.jpeg') center/cover no-repeat fixed;
}

body.register-page .auth-container {
  justify-content: center;
}

body.register-page .auth-card-single {
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(2px);
}

body.login-page .auth-card-single {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(2px);
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px;
}

header h1 {
  margin: 0 0 6px;
}

header p {
  margin: 0 0 12px;
  color: var(--muted);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 14px;
}

.auth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

input,
select,
button {
  border-radius: 10px;
  border: 1px solid #c7d3e0;
  padding: 10px;
  font-size: 0.95rem;
}

input,
select {
  min-width: 170px;
  background: #ffffff;
}

button {
  border: none;
  color: #ffffff;
  background: var(--primary);
  cursor: pointer;
}

button:hover {
  background: var(--primary-dark);
}

button.secondary {
  color: #1f2937;
  background: var(--accent);
}

.profile-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.kid-row,
.event-row,
.user-row {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 10px;
  background: #fbfdff;
}

.meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.hidden {
  display: none;
}

.screen-watermark {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-24deg);
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.24);
  text-transform: uppercase;
  letter-spacing: 2px;
  pointer-events: none;
  z-index: 9999;
  white-space: nowrap;
}

.app-version-badge {
  position: fixed;
  left: 50%;
  bottom: 10px;
  transform: translateX(-50%);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.3px;
  color: #ffffff;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.22);
  z-index: 10000;
  pointer-events: none;
}

@media print {
  body {
    display: none !important;
  }
}

.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.auth-card-single {
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
}

.auth-switch {
  margin-top: 10px;
}

.password-form {
  margin-top: 10px;
}

.admin-reset-password-form {
  margin-top: 8px;
}

.admin-links-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.button-link {
  display: inline-block;
  text-decoration: none;
  border-radius: 10px;
  padding: 10px 14px;
  color: #ffffff;
  background: var(--primary);
  font-weight: 700;
}

.button-link:hover {
  background: var(--primary-dark);
}

.secondary-link {
  background: #d97706;
}

.teacher-lists-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

#teacherSchedulePage {
  margin-bottom: 14px;
  border: 1px solid #9ec9ff;
  background: linear-gradient(140deg, #f4f9ff, #e8f2ff);
}

#teacherNotifications {
  margin: 8px 0;
  padding: 8px;
  border-radius: 10px;
  background: #fff8db;
  border: 1px solid #f1d48a;
}

.teacher-alert {
  font-weight: 800;
  color: #9a3412;
  background: #ffedd5;
  border: 1px solid #fdba74;
  border-radius: 8px;
  padding: 8px;
  margin-bottom: 6px;
}

#adminSchedulesList {
  margin: 10px 0 14px;
}

#teacherListsSection {
  border: 2px solid #8ecae6;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(230, 248, 255, 0.95));
}

#teacherListsSection h2 {
  font-weight: 800;
  color: #0b4f6c;
  letter-spacing: 0.4px;
}

#teacherListsSection h3 {
  font-weight: 800;
  margin-top: 0;
  margin-bottom: 8px;
}

#dropoffList .event-row {
  background: linear-gradient(135deg, #e9fff2, #d2f4e4);
  border: 1px solid #5cc08a;
}

#dropoffList .event-row strong {
  color: #0b7a49;
  font-weight: 800;
}

#pickupList .event-row {
  background: linear-gradient(135deg, #fff4e5, #ffe3bf);
  border: 1px solid #f0a94d;
}

#pickupList .event-row strong {
  color: #a45600;
  font-weight: 800;
}

#pendingRequestsList .event-row {
  border: 2px solid #7cc5f3;
  background: linear-gradient(135deg, #f1f9ff, #d7eeff);
  box-shadow: 0 6px 16px rgba(14, 116, 144, 0.16);
  position: relative;
}

#pendingRequestsList .event-row strong {
  font-weight: 800;
  color: #0b4f6c;
}

#pendingRequestsList .event-row strong::after {
  content: 'PENDING';
  display: inline-block;
  margin-left: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  background: #f59e0b;
  color: #ffffff;
  font-size: 0.72rem;
  letter-spacing: 0.5px;
  vertical-align: middle;
}

.approve-btn {
  background: linear-gradient(135deg, #1d9f5a, #148347);
  border: 1px solid #0f6a38;
  color: #ffffff;
  font-weight: 800;
  letter-spacing: 0.3px;
  box-shadow: 0 4px 10px rgba(20, 131, 71, 0.28);
}

.deny-btn {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  border: 1px solid #b91c1c;
  color: #ffffff;
  font-weight: 800;
  letter-spacing: 0.3px;
  box-shadow: 0 4px 10px rgba(185, 28, 28, 0.28);
}

.approve-btn:hover {
  background: linear-gradient(135deg, #27b566, #1b9954);
}

.deny-btn:hover {
  background: linear-gradient(135deg, #f05e5e, #e23232);
}

@media (max-width: 768px) {
  .container {
    padding: 14px;
  }

  .auth-grid {
    grid-template-columns: 1fr;
  }

  .teacher-lists-grid {
    grid-template-columns: 1fr;
  }

  form {
    flex-direction: column;
  }

  input,
  select,
  button {
    width: 100%;
    margin: 0;
  }
}