body {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  color: #2c3e50;
  min-height: 100%;
}
*, *::before, *::after { box-sizing: border-box; }

.container { max-width: 900px; margin: 0 auto; padding: 40px 24px; }

/* Header */
.page-header { text-align: center; margin-bottom: 48px; }
.page-title {
  font-family: 'Playfair Display', serif;
  font-size: 42px; font-weight: 700; color: #1a365d; margin: 0 0 12px 0;
}
.page-subtitle { font-size: 18px; color: #6c757d; margin: 0; line-height: 1.6; }

/* Benefits */
.benefits-section {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; margin-bottom: 48px;
}
.benefit-card {
  background: rgba(255,255,255,0.95); backdrop-filter: blur(20px);
  border-radius: 16px; padding: 24px; text-align: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06); transition: all .3s ease;
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.1); }
.benefit-icon { font-size: 36px; margin-bottom: 12px; }
.benefit-title { font-size: 16px; font-weight: 600; color: #1a365d; margin: 0 0 8px 0; }
.benefit-text { font-size: 13px; color: #6c757d; margin: 0; line-height: 1.5; }

/* Form */
.form-section{
  background: rgba(255,255,255,0.95); backdrop-filter: blur(20px);
  border-radius: 20px; padding: 40px; box-shadow: 0 12px 48px rgba(0,0,0,0.08);
}
.form-title{
  font-family: 'Playfair Display', serif; font-size: 28px; font-weight: 600;
  color: #1a365d; margin: 0 0 32px 0; text-align: center;
}
.form-group { margin-bottom: 24px; }
.form-label {
  font-size: 14px; font-weight: 600; color: #2c3e50; margin-bottom: 8px; display: block;
}
.form-label .required { color: #dc3545; }
.form-input, .form-select {
  width: 100%; padding: 12px 16px; border: 2px solid #e9ecef; border-radius: 10px;
  font-size: 15px; font-family: 'Inter', sans-serif; color: #2c3e50;
  transition: all .3s ease; background: white;
}
.form-input:focus, .form-select:focus {
  outline: none; border-color: #1a365d; box-shadow: 0 0 0 3px rgba(26,54,93,0.1);
}
.form-input::placeholder { color: #adb5bd; }
.form-row { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }

/* Options */
.date-selection { margin-top: 12px; }
.date-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.option-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(120px,1fr)); gap: 12px; }
.date-option, .option-item { position: relative; }
.date-checkbox, .option-checkbox { position: absolute; opacity: 0; cursor: pointer; }
.date-label, .option-label {
  display: block; padding: 12px 16px; background: white; border: 2px solid #e9ecef;
  border-radius: 10px; text-align: center; font-size: 14px; font-weight: 500;
  color: #2c3e50; cursor: pointer; transition: all .3s ease; user-select: none;
}
.date-checkbox:checked + .date-label,
.option-checkbox:checked + .option-label {
  background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
  color: white; border-color: #1a365d; box-shadow: 0 4px 12px rgba(26,54,93,0.3);
}
.date-label:hover, .option-label:hover { border-color: #1a365d; transform: translateY(-2px); }
.date-helper { font-size: 13px; color:#6c757d; margin-top: 8px; font-style: italic; }

/* Submit */
.submit-btn {
  width: 100%; padding: 16px 32px;
  background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
  color: white; border: none; border-radius: 12px; font-size: 16px; font-weight: 600;
  cursor: pointer; transition: all .3s ease; box-shadow: 0 4px 16px rgba(26,54,93,0.3);
  margin-top: 32px;
}
.submit-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(26,54,93,0.4); }
.submit-btn:disabled { opacity: .6; cursor: not-allowed; }
.loading-spinner {
  display:inline-block; width:16px; height:16px; border:2px solid rgba(255,255,255,.3);
  border-top-color:#fff; border-radius:50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Messages */
.success-message, .error-message {
  padding: 16px 20px; border-radius: 12px; margin-bottom: 24px; display: none;
  align-items: center; gap: 12px; font-size: 15px; font-weight: 500;
}
.success-message { background: linear-gradient(135deg,#d4edda 0%,#c3e6cb 100%); color:#155724; }
.error-message { background: linear-gradient(135deg,#f8d7da 0%,#f5c6cb 100%); color:#721c24; }
.success-message.show, .error-message.show { display: flex; }

/* Active Alerts (placeholder) */
.alerts-section {
  margin-top: 48px; background: rgba(255,255,255,0.95); backdrop-filter: blur(20px);
  border-radius: 20px; padding: 32px; box-shadow: 0 12px 48px rgba(0,0,0,0.08);
}
.alerts-title {
  font-family:'Playfair Display',serif; font-size:24px; font-weight:600; color:#1a365d; margin:0 0 24px 0;
}
.empty-alerts { text-align:center; padding:32px; color:#6c757d; }
.empty-icon { font-size:48px; margin-bottom:12px; }

/* Responsive */
@media (max-width:768px) {
  .benefits-section { grid-template-columns:1fr; }
  .form-row { grid-template-columns:1fr; }
  .date-grid { grid-template-columns: repeat(2,1fr); }
  .page-title { font-size:32px; }
}