:root {
  --color-primary: #315b7c;
  --color-primary-dark: #264a66;
  --color-primary-light: #3d6d91;
  --color-accent: #d3323a;
  --color-accent-hover: #b82a31;
  --color-teal: #7EBEC5;
  --color-teal-light: #e9f5f6;
  --color-bg: #ffffff;
  --color-bg-secondary: #f9f9f9;
  --color-text: #2d2d2d;
  --color-text-muted: #505050;
  --color-text-light: #8c8c8c;
  --color-border: #e5e5e5;
  --color-border-focus: #7EBEC5;
  --color-error: #d3323a;
  --color-error-bg: #fef2f2;
  --font-stack: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius: 6px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.12);
  --transition: 0.25s ease;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg-secondary);
  -webkit-font-smoothing: antialiased;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 8px;
  background: var(--color-primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius);
  z-index: 100;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: 8px;
}

/* Layout */
.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

/* Header */
.page-header {
  text-align: center;
  margin-bottom: 28px;
}

.header-icon {
  margin-bottom: 12px;
}

.page-header h1 {
  font-size: 30px;
  color: var(--color-primary);
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.3px;
}

/* Notice Box */
.notice-box {
  background: var(--color-teal-light);
  border-left: 4px solid var(--color-teal);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 20px 24px;
  margin-bottom: 32px;
  box-shadow: var(--shadow);
}

.notice-box h2 {
  font-size: 18px;
  color: var(--color-primary);
  margin: 0 0 12px;
  font-weight: 700;
}

.notice-box ul {
  margin: 0;
  padding-left: 20px;
}

.notice-box li {
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.notice-box li:last-child {
  margin-bottom: 0;
}

/* Form Sections */
.form-section {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition);
}

.form-section:hover {
  box-shadow: var(--shadow-hover);
}

.form-section > legend {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  padding: 0 8px;
  letter-spacing: -0.2px;
}

/* Form Fields */
.form-field {
  margin-bottom: 20px;
}

.form-field:last-child {
  margin-bottom: 0;
}

.form-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--color-text);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
textarea {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-stack);
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="date"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(126, 190, 197, 0.25);
}

input[disabled],
textarea[disabled] {
  background: var(--color-bg-secondary);
  opacity: 0.6;
}

textarea {
  resize: vertical;
  min-height: 80px;
}

/* Radio & Checkbox Groups */
.radio-group,
.checkbox-group {
  border: none;
  padding: 0;
  margin: 0 0 20px;
}

.radio-group:last-child,
.checkbox-group:last-child {
  margin-bottom: 0;
}

.radio-group > legend,
.checkbox-group > legend {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 8px;
  padding: 0;
  color: var(--color-text);
}

.radio-label,
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 4px;
  cursor: pointer;
  font-size: 14px;
  min-height: 44px;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.radio-label:hover,
.checkbox-label:hover {
  color: var(--color-text);
}

.radio-label input[type="radio"],
.checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.declaration-checkbox {
  padding: 14px 16px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  font-weight: 500;
  color: var(--color-text);
}

/* Required Indicator */
.required-indicator {
  color: var(--color-accent);
  margin-left: 2px;
  font-weight: 700;
}

/* Conditional Sections */
.conditional-section {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.3s ease, margin 0.3s ease;
  margin: 0;
}

.conditional-section.visible {
  max-height: 2000px;
  opacity: 1;
  margin-top: 8px;
}

#reporter-details.visible {
  margin-top: 16px;
}

/* Info/Warning Messages */
.info-message {
  background: #fff8e1;
  border-left: 4px solid #f9a825;
  padding: 12px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  margin-top: 12px;
}

.field-note {
  font-size: 13px;
  color: var(--color-text-light);
  margin: 8px 0 0;
  font-style: italic;
}

/* Error Styles */
.error-summary {
  background: var(--color-error-bg);
  border: 1px solid var(--color-error);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-top: 20px;
}

.error-summary h3 {
  color: var(--color-error);
  margin: 0 0 8px;
  font-size: 15px;
}

.error-summary ul {
  margin: 0;
  padding-left: 20px;
}

.error-summary li {
  color: var(--color-error);
  margin-bottom: 4px;
  font-size: 13px;
}

.field-error {
  border-color: var(--color-error) !important;
  box-shadow: 0 0 0 3px rgba(211, 50, 58, 0.15) !important;
}

.error-message {
  color: var(--color-error);
  font-size: 13px;
  margin-top: 4px;
  display: block;
}

/* Buttons */
.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  font-family: var(--font-stack);
  font-size: 15px;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  min-height: 48px;
  letter-spacing: 0.2px;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform 0.15s ease;
}

.btn:focus-visible {
  outline: 3px solid var(--color-teal);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 2px 6px rgba(211, 50, 58, 0.25);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: 0 4px 12px rgba(211, 50, 58, 0.35);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-secondary {
  background: var(--color-bg);
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-text-light);
  color: var(--color-text);
  box-shadow: var(--shadow);
}

/* Loading State */
.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Success View */
.success-view {
  text-align: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 48px 24px;
  box-shadow: var(--shadow);
}

.success-icon {
  margin-bottom: 16px;
}

.success-view h2 {
  color: var(--color-primary);
  font-size: 24px;
  margin: 0 0 12px;
  font-weight: 700;
}

.success-view p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 8px 0;
}

.reference-id {
  font-size: 18px !important;
  color: var(--color-primary) !important;
  background: var(--color-teal-light);
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius);
  margin: 16px 0 !important;
  border: 1px solid var(--color-teal);
}

.success-actions {
  margin-top: 24px;
}

/* Hidden */
.hidden {
  display: none !important;
}

/* Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Footer */
.page-footer {
  text-align: center;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.page-footer p {
  font-size: 13px;
  color: var(--color-text-light);
  margin: 0;
}

/* Print Styles */
@media print {
  body {
    background: #fff;
    font-size: 12pt;
  }

  .container {
    max-width: none;
    padding: 0;
  }

  .skip-link,
  .form-actions,
  .success-actions,
  .btn {
    display: none !important;
  }

  .form-section {
    break-inside: avoid;
    border: 1px solid #ccc;
    margin-bottom: 12pt;
    box-shadow: none;
  }

  .notice-box {
    border-left: 3px solid #333;
    background: #f5f5f5;
    box-shadow: none;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 20px 14px 32px;
  }

  .page-header h1 {
    font-size: 24px;
  }

  .form-section {
    padding: 18px;
  }

  .notice-box {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .page-header h1 {
    font-size: 20px;
  }

  .form-section > legend {
    font-size: 15px;
  }

  .form-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .reference-id {
    font-size: 16px !important;
    padding: 10px 16px;
  }
}