/* Color Tokens & General Styling */
:root {
  --primary-navy: #0d2c54;
  --primary-navy-light: #163d6b;
  --primary-navy-dark: #071a33;
  --accent-gold: #c5a880;
  --accent-gold-hover: #b3946a;
  --success-color: #10b981;
  --error-color: #ef4444;
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --text-dark: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-headings: 'Outfit', var(--font-main);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-dark);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header Styling */
.school-header {
  background-color: var(--primary-navy);
  color: #ffffff;
  padding: 20px 0;
  box-shadow: var(--shadow-md);
  border-bottom: 3px solid var(--accent-gold);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.school-logo-container {
  display: flex;
  align-items: center;
  gap: 16px;
}

.school-crest {
  font-family: var(--font-headings);
  font-weight: 800;
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--accent-gold), #ffffff);
  color: var(--primary-navy);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.school-logo-img {
  width: 55px;
  height: 55px;
  object-fit: contain;
  border-radius: 50%;
  background-color: #ffffff;
  padding: 2px;
  box-shadow: var(--shadow-sm);
}

.school-titles h1 {
  font-family: var(--font-headings);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.school-subtitle {
  color: var(--accent-gold);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.admin-login-btn {
  color: #ffffff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border: 1.5px solid var(--accent-gold);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.admin-login-btn:hover {
  background-color: var(--accent-gold);
  color: var(--primary-navy);
}

/* Main Content Area */
.main-content {
  flex-grow: 1;
  padding: 40px 0;
}

.intro-section {
  text-align: center;
  margin-bottom: 32px;
}

.intro-section h2 {
  font-family: var(--font-headings);
  font-size: 1.8rem;
  color: var(--primary-navy);
  margin-bottom: 8px;
}

.intro-section p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Card General */
.card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  padding: 32px;
  margin-bottom: 24px;
}

@media (max-width: 600px) {
  .card {
    padding: 20px 16px;
  }
}

/* Search Form */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-navy);
}

.form-group input,
.form-group select {
  font-family: inherit;
  font-size: 1rem;
  padding: 12px 16px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  color: var(--text-dark);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.select-wrapper {
  position: relative;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-navy), var(--primary-navy-light));
  color: #ffffff;
  width: 100%;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-navy-light), var(--primary-navy-dark));
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.btn-success {
  background-color: var(--success-color);
  color: #ffffff;
  flex: 1;
}

.btn-success:hover {
  background-color: #059669;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #f1f5f9;
  color: var(--text-dark);
  border: 1px solid var(--border-color);
  flex: 1;
}

.btn-secondary:hover {
  background-color: #e2e8f0;
  transform: translateY(-1px);
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* Spinner Loader */
.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 1s ease-in-out infinite;
}

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

.hidden {
  display: none !important;
}

/* Alerts */
.alert {
  display: flex;
  gap: 16px;
  background-color: #fef2f2;
  border-left: 4px solid var(--error-color);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.alert-icon {
  font-size: 1.5rem;
}

.alert-message h4 {
  font-weight: 700;
  color: #991b1b;
  margin-bottom: 4px;
}

.alert-message p {
  color: #7f1d1d;
  font-size: 0.9rem;
}

/* Result Card */
.result-card {
  border-top: 4px solid var(--accent-gold);
}

.result-header {
  text-align: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: #ecfdf5;
  color: var(--success-color);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 50px;
  border: 1px solid #a7f3d0;
  margin-bottom: 12px;
}

.badge-icon {
  width: 16px;
  height: 16px;
}

.result-header h3 {
  font-family: var(--font-headings);
  font-size: 1.5rem;
  color: var(--primary-navy);
}

.student-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

@media (max-width: 600px) {
  .student-info-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

.info-item {
  display: flex;
  flex-direction: column;
  padding: 8px 12px;
  background-color: #f8fafc;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--border-color);
}

.info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
}

.info-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
}

.text-highlight {
  color: var(--primary-navy);
  font-weight: 700;
}

.action-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 500px) {
  .action-buttons {
    flex-direction: column;
  }
}

/* PDF Preview Panel */
.pdf-preview-container {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-top: 24px;
}

.preview-header {
  background-color: #f1f5f9;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.preview-header h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-navy);
}

.btn-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.btn-close:hover {
  color: var(--error-color);
}

#pdf-frame {
  width: 100%;
  height: 550px;
  background-color: #525659;
}

/* School Footer */
.school-footer {
  background-color: var(--primary-navy-dark);
  color: #94a3b8;
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Animations */
.animate-fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}

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

/* Collection Office Notice */
.office-notice {
  display: flex;
  gap: 16px;
  background-color: #f8fafc;
  border-left: 4px solid var(--accent-gold);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
  margin-top: 12px;
  align-items: flex-start;
  text-align: left;
}

.notice-icon {
  font-size: 1.3rem;
  color: var(--accent-gold-hover);
  line-height: 1;
}

.notice-text h4 {
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 4px;
  font-size: 0.95rem;
  font-family: var(--font-headings);
}

.notice-text p {
  color: var(--text-dark);
  font-size: 0.875rem;
  line-height: 1.5;
}

/* Mobile & Tablet Responsiveness */
@media (max-width: 600px) {
  .header-container {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .school-logo-container {
    flex-direction: column;
    gap: 8px;
  }
  .school-titles h1 {
    font-size: 1.2rem;
  }
  .school-subtitle {
    font-size: 0.75rem;
  }
}