:root {
  --primary: #0086E5;
  --primary-dark: #006BBF;
  --primary-light: #E8F4FD;
  --primary-lighter: #F0F8FF;
  --danger: #EF4444;
  --danger-light: #FEF2F2;
  --danger-dark: #DC2626;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  --white: #FFFFFF;
  --success: #10B981;
  --success-light: #D1FAE5;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
}

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

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.97);
}

.header-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-center {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 32px;
  width: auto;
  display: block;
}

.header-badge {
  font-size: 12px;
  font-weight: 500;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid rgba(0, 134, 229, 0.15);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #003D6B 0%, #005A9E 40%, var(--primary) 100%);
  padding: 48px 24px 56px;
  text-align: center;
}

.hero h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.hero h2 span {
  color: #7DC8FF;
}

.hero p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  max-width: 480px;
  margin: 0 auto;
}

/* Main */
.container {
  max-width: 720px;
  margin: -32px auto 0;
  padding: 0 24px 60px;
  position: relative;
  z-index: 10;
}

/* Notice Banner */
.notice {
  background: var(--danger-light);
  border: 1px solid #FECACA;
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 28px;
}

.notice-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--danger);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.notice-title svg {
  flex-shrink: 0;
}

.notice p {
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.7;
}

/* Form Card */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--gray-100);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-icon.red { background: var(--danger-light); color: var(--danger); }
.card-icon.blue { background: var(--primary-light); color: var(--primary); }
.card-icon.orange { background: #FFF7ED; color: #EA580C; }

.card-header-text h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  letter-spacing: -0.3px;
}

.card-header-text p {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 3px;
}

/* Form Elements */
.form-group {
  margin-bottom: 20px;
}

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

label.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 8px;
}

label.form-label .required {
  color: var(--danger);
  margin-left: 2px;
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--gray-800);
  background: var(--white);
  transition: all 0.2s ease;
  outline: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 134, 229, 0.12);
}

input::placeholder,
textarea::placeholder {
  color: var(--gray-400);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

/* Checkbox Group */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.checkbox-item:hover {
  border-color: var(--gray-300);
  background: var(--gray-50);
}

.checkbox-item.checked {
  border-color: var(--primary);
  background: var(--primary-light);
}

.checkbox-item input[type="checkbox"] {
  display: none;
}

.custom-checkbox {
  width: 22px;
  height: 22px;
  border: 2px solid var(--gray-300);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  transition: all 0.2s ease;
  background: var(--white);
}

.checkbox-item.checked .custom-checkbox {
  background: var(--primary);
  border-color: var(--primary);
}

.custom-checkbox svg {
  opacity: 0;
  transition: opacity 0.15s ease;
}

.checkbox-item.checked .custom-checkbox svg {
  opacity: 1;
}

.checkbox-label-text {
  flex: 1;
}

.checkbox-label-text .cb-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-800);
  display: block;
}

.checkbox-label-text .cb-desc {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 3px;
  line-height: 1.5;
  display: block;
}

/* Deleted Data Info */
.data-info {
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-top: 16px;
}

.data-info-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 10px;
}

.data-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.data-info-list li {
  font-size: 13px;
  color: var(--gray-600);
  display: flex;
  align-items: center;
  gap: 8px;
}

.data-info-list li::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--gray-400);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Agreement */
.agreement {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 20px;
}

.agreement-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.agreement-check input[type="checkbox"] {
  display: none;
}

.agreement-text {
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.6;
}

.agreement-text strong {
  color: var(--danger);
}

/* Submit Button */
.submit-btn {
  width: 100%;
  padding: 16px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: -0.3px;
}

.submit-btn:hover {
  background: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(0, 134, 229, 0.25);
  transform: translateY(-1px);
}

.submit-btn:disabled {
  background: var(--gray-300);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* Success State */
.success-message {
  display: none;
  text-align: center;
  padding: 60px 24px;
}

.success-message.show {
  display: block;
}

.success-icon {
  width: 72px;
  height: 72px;
  background: var(--success-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.success-message h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.success-message p {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.7;
}

/* Footer */
.footer {
  text-align: center;
  padding: 32px 24px 48px;
  border-top: 1px solid var(--gray-200);
  margin-top: 16px;
}

.footer p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.7;
}

.footer a {
  color: var(--primary);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* Hidden */
.form-content.hidden {
  display: none;
}

/* Responsive */
@media (max-width: 480px) {
  .hero {
    padding: 36px 20px 44px;
  }

  .hero h2 {
    font-size: 22px;
  }

  .container {
    padding: 0 16px 48px;
    margin-top: -24px;
  }

  .card {
    padding: 20px;
  }

  .header-inner {
    padding: 0 16px;
  }

  .logo-img {
    height: 28px;
  }

  .header-badge {
    display: none;
  }
}