/* ===== 리셋 및 기본 설정 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 컬러 시스템 - 의료 신뢰감 블루/화이트 */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary-color: #0ea5e9;
    --success-color: #10b981;
    --error-color: #ef4444;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-white: #ffffff;
    --bg-gray: #f9fafb;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* 타이포그래피 */
    --font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* 간격 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* 애니메이션 */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== 컨테이너 ===== */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

/* ===== 헤더 ===== */
.header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    animation: fadeInDown 0.6s ease;
}

.header-content {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* ===== 메인 콘텐츠 ===== */
.main-content {
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.form-wrapper {
    background: var(--bg-white);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-2xl);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--bg-gray);
}

.form-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.form-header p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ===== 폼 섹션 ===== */
.form-section {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-light);
    display: flex;
    align-items: center;
}

.section-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 24px;
    background: var(--primary-color);
    margin-right: var(--spacing-sm);
    border-radius: 2px;
}

/* ===== 폼 그룹 ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.required::after {
    content: ' *';
    color: var(--error-color);
    font-weight: 700;
}

/* ===== 입력 필드 ===== */
input[type="text"],
input[type="tel"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-family: var(--font-family);
    color: var(--text-primary);
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    transition: all var(--transition-base);
    outline: none;
}

input[type="text"]:focus,
input[type="tel"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

input[type="text"]:hover,
input[type="tel"]:hover,
input[type="email"]:hover,
select:hover,
textarea:hover {
    border-color: var(--text-light);
}

/* focus는 hover보다 항상 우선 (클릭 즉시 파란 테두리) */
input[type="text"]:focus,
input[type="tel"]:focus,
input[type="email"]:focus,
textarea:focus,
input[type="text"]:hover:focus,
input[type="tel"]:hover:focus,
input[type="email"]:hover:focus,
textarea:hover:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

textarea {
    resize: none;
    min-height: 120px;
}

select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%236b7280' d='M8 11L2 5h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px 16px;
    padding-right: 2.5rem;
    min-height: 48px;
}

/* ===== 체크박스 ===== */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: 8px;
    transition: background-color var(--transition-fast);
    font-weight: 400;
}

.checkbox-label:hover {
    background: var(--bg-gray);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
    accent-color: var(--primary-color);
}

.privacy-consent {
    font-weight: 500;
    color: var(--text-primary);
}

.privacy-text {
    margin-top: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-left: 2rem;
}

/* ===== 라디오 버튼 ===== */
.radio-group {
    display: flex;
    gap: var(--spacing-lg);
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: 8px;
    transition: background-color var(--transition-fast);
    font-weight: 400;
}

.radio-label:hover {
    background: var(--bg-gray);
}

.radio-label input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* ===== 커스텀 멀티셀렉트 ===== */
.custom-multiselect {
    position: relative;
}

.multiselect-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 48px;
}

.multiselect-header:hover {
    border-color: var(--text-light);
}

.custom-multiselect.active .multiselect-header {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.selected-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    flex: 1;
}

.selected-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.25rem 0.5rem;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: 5px;
    font-size: 0.85rem;
    font-weight: 500;
}

.selected-tag .remove-tag {
    cursor: pointer;
    font-weight: 700;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.selected-tag .remove-tag:hover {
    opacity: 1;
}

.placeholder {
    color: var(--text-light);
    font-size: 0.95rem;
}

.dropdown-arrow {
    margin-left: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.8rem;
    transition: transform var(--transition-base);
}

.custom-multiselect.active .dropdown-arrow {
    transform: rotate(180deg);
}

.multiselect-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: var(--spacing-xs);
    background: var(--bg-white);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow: hidden;
    z-index: 1000;
    display: none;
    padding: 0;
}

.custom-multiselect.active .multiselect-dropdown {
    display: block;
    animation: fadeInDown 0.2s ease;
}

.multiselect-dropdown .checkbox-group {
    gap: 0;
    max-height: 285px;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.multiselect-dropdown .checkbox-label {
    margin: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 5px;
}

/* 기타 직접입력 필드 좌우 잘림 방지 */
.multiselect-dropdown>input[type="text"] {
    margin: 0 var(--spacing-sm) var(--spacing-sm);
    width: calc(100% - var(--spacing-sm) * 2);
    box-sizing: border-box;
}

/* ===== 커스텀 단일선택 드롭다운 (광역시/도, 시/군/구, 월마케팅예산) ===== */
.custom-singleselect {
    position: relative;
}

.singleselect-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 48px;
    font-size: 0.95rem;
    font-family: var(--font-family);
}

.singleselect-header:hover {
    border-color: var(--text-light);
}

.custom-singleselect.active .singleselect-header {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.singleselect-text {
    color: var(--text-light);
    font-size: 0.95rem;
    flex: 1;
}

.singleselect-text.selected {
    color: var(--text-primary);
}

.custom-singleselect.active .dropdown-arrow {
    transform: rotate(180deg);
}

.singleselect-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: var(--spacing-xs);
    background: var(--bg-white);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    max-height: 240px;
    overflow: hidden;
    z-index: 1000;
    display: none;
    padding: 0;
}

.singleselect-options {
    max-height: 240px;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.custom-singleselect.active .singleselect-dropdown {
    display: block;
    animation: fadeInDown 0.2s ease;
}

.singleselect-option {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: background-color var(--transition-fast);
}

.singleselect-option:hover {
    background: var(--bg-gray);
}

.singleselect-option.selected {
    background: var(--primary-light);
    color: var(--primary-color);
    font-weight: 500;
}

.custom-singleselect.disabled .singleselect-header {
    cursor: not-allowed;
    opacity: 0.6;
    background: var(--bg-gray);
}


/* ===== 에러 메시지 ===== */
.error-message {
    display: block;
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
    font-weight: 500;
    min-height: 1.2rem;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--error-color);
}

.form-group.error input:focus,
.form-group.error select:focus,
.form-group.error textarea:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* ===== 제출 버튼 ===== */
.form-actions {
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 1rem 3rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--bg-white);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    font-family: var(--font-family);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn .btn-icon {
    font-size: 1.3rem;
    transition: transform var(--transition-base);
}

.submit-btn:hover .btn-icon {
    transform: translateX(5px);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ===== 성공 메시지 ===== */
.success-message {
    text-align: center;
    padding: var(--spacing-2xl);
    animation: fadeInUp 0.5s ease;
}

.success-message.hidden {
    display: none;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: var(--success-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 700;
    animation: scaleIn 0.5s ease;
}

.success-message h3 {
    font-size: 1.5rem;
    color: var(--success-color);
    margin-bottom: var(--spacing-sm);
}

.success-message p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.btn-secondary {
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary-color);
    background: var(--bg-white);
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-family);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--bg-white);
}

/* ===== 푸터 ===== */
.footer {
    text-align: center;
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    color: var(--bg-white);
    animation: fadeIn 0.6s ease 0.4s backwards;
}

.footer p {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.footer-note {
    font-size: 0.85rem;
    opacity: 0.9;
}

/* ===== 애니메이션 ===== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }

    to {
        transform: scale(1);
    }
}

/* ===== 반응형 디자인 ===== */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .form-wrapper {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .logo {
        font-size: 1.5rem;
    }

    .form-header h2 {
        font-size: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .submit-btn {
        width: 100%;
        padding: 1rem 2rem;
    }

    .section-title {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: var(--spacing-lg);
    }

    .form-wrapper {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .logo {
        font-size: 1.3rem;
    }

    .tagline {
        font-size: 0.9rem;
    }

    .form-header h2 {
        font-size: 1.3rem;
    }

    .form-header p {
        font-size: 0.85rem;
    }
}