/* 
 * 모두프린트 A/S 매뉴얼 스타일
 * 토스 디자인 시스템 기반
 */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 시헌테크 브랜드용 파란 글씨톤 */
    --color-primary: #0064ff;           /* 강조 블루 (토스 블루) */
    --color-primary-hover: #0056e0;     /* 토스 블루 hover */
    --color-primary-soft: #e8f1ff;      /* 아주 연한 블루 배경 */
    --color-secondary: #4E5968;
    --color-success: #0D9488;
    --color-danger: #F04452;
    --color-warning: #F59E0B;
    
    /* 브랜드 블루 팔레트 */
    --color-text-main: #1b3d73;         /* 딥블루: 본문 */
    --color-text-sub: #4b5b82;          /* 서브 텍스트 */
    --color-label: #8ea1c8;             /* 보조, 라벨 */
    
    /* 그레이 스케일 (호환성) */
    --color-gray-50: #f9fbff;           /* 아주 은은한 파란빛 배경 */
    --color-gray-100: #F2F4F6;
    --color-gray-200: #d7e3f7;          /* 파란빛 연한 보더 */
    --color-gray-300: #D1D6DB;
    --color-gray-400: #B0B8C1;
    --color-gray-500: #8ea1c8;          /* 보조, 라벨 */
    --color-gray-600: #6B7684;
    --color-gray-700: #4b5b82;          /* 서브 텍스트 */
    --color-gray-800: #333D4B;
    --color-gray-900: #1b3d73;          /* 딥블루: 본문 */
    
    /* 텍스트 (브랜드 블루 적용) */
    --text-primary: #1b3d73;            /* 딥블루: 본문 */
    --text-secondary: #4b5b82;          /* 서브 텍스트 */
    --text-tertiary: #8ea1c8;           /* 보조, 라벨 */
    
    /* 배경 */
    --bg-page: #f9fbff;                 /* 아주 은은한 파란빛 배경 */
    --bg-elevated: #ffffff;             /* 카드/섹션 */
    --bg-input: #ffffff;                /* 인풋 배경 */
    
    /* 보더 (파란빛 톤) */
    --border-color: #d7e3f7;            /* 파란빛 연한 보더 */
    --border-color-strong: #b6c9eb;     /* 좀 더 진한 파란빛 보더 */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    /* 그림자 */
    --shadow-sm: 0 1px 2px rgba(0, 40, 120, 0.04);
    --shadow-md: 0 6px 18px rgba(0, 40, 120, 0.06);
    --shadow-lg: 0 10px 30px rgba(0, 40, 120, 0.12);
    --shadow-soft: 0 10px 24px rgba(0, 40, 120, 0.08);
    
    /* 타이포그래피 */
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", system-ui, sans-serif;
    background-color: var(--bg-page);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background-color: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-main);
}

.nav {
    display: flex;
    gap: 16px;
}

.nav-link {
    color: var(--color-text-sub);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--color-primary);
}

.admin-link {
    color: var(--color-primary);
}

/* Main */
.main {
    padding: 48px 0;
    min-height: calc(100vh - 200px);
}

/* Search Section */
.search-section {
    margin-bottom: 48px;
}

.search-header {
    text-align: center;
    margin-bottom: 32px;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text-main);
}

.section-description {
    font-size: var(--font-size-base);
    color: var(--color-text-sub);
}

.search-bar {
    display: flex;
    gap: 12px;
    max-width: 600px;
    margin: 0 auto 24px;
}

.search-input {
    flex: 1;
    padding: 14px 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    background-color: var(--bg-input);
    transition: all 0.2s;
    color: var(--color-text-main);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px rgba(0, 100, 255, 0.28);
}

/* Category Filter */
.category-filter {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.category-btn {
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    background-color: #fff;
    color: var(--color-text-sub);
    border-radius: 100px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.category-btn:hover {
    background-color: var(--color-primary-soft);
    border-color: #b6d3ff;
    color: var(--color-primary);
}

.category-btn.active {
    background-color: var(--color-primary-soft);
    color: var(--color-primary);
    border-color: #b6d3ff;
}

/* Manual List */
.manual-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.manual-card {
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: var(--shadow-md);
}

.manual-card:hover {
    border-color: var(--border-color-strong);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.manual-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.manual-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.4;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    background-color: var(--color-gray-100);
    color: var(--color-text-sub);
    border-radius: 100px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    white-space: nowrap;
}

.manual-card-preview {
    color: var(--color-text-sub);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.manual-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-xs);
    color: var(--color-label);
}

.manual-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.tag {
    padding: 3px 8px;
    background-color: var(--color-gray-50);
    color: var(--color-label);
    border-radius: 4px;
    font-size: var(--font-size-xs);
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-family);
}

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

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

.btn-secondary {
    background-color: var(--color-gray-100);
    color: var(--color-text-sub);
}

.btn-secondary:hover {
    background-color: var(--color-gray-200);
}

.btn-danger {
    background-color: var(--color-danger);
    color: white;
}

.btn-danger:hover {
    background-color: #D63241;
}

.btn-large {
    padding: 16px 32px;
    font-size: var(--font-size-lg);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
}

.page-btn {
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-elevated);
    color: var(--color-text-sub);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.page-btn:hover:not(:disabled) {
    background-color: var(--color-gray-50);
}

.page-btn.active {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background-color: var(--bg-elevated);
    border-radius: var(--border-radius);
    max-width: 800px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-small {
    max-width: 400px;
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-main);
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--color-label);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.modal-close:hover {
    background-color: var(--color-gray-100);
    color: var(--color-text-main);
}

.modal-body {
    padding: 24px;
}

.modal-meta {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 20px;
}

.modal-views {
    color: var(--color-label);
    font-size: var(--font-size-sm);
}

.modal-text {
    color: var(--color-text-main);
    font-size: var(--font-size-base);
    line-height: 1.8;
    white-space: pre-wrap;
    margin-bottom: 20px;
}

.modal-description {
    color: var(--color-text-sub);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.modal-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
}

.empty-message {
    color: var(--color-label);
    font-size: var(--font-size-base);
}

.loading-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--color-label);
}

/* Admin Page */
.admin-main {
    background-color: var(--color-gray-50);
}

.admin-section {
    background-color: var(--bg-elevated);
    border-radius: var(--border-radius);
    padding: 32px;
    margin-bottom: 32px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

/* Form */
.admin-form {
    max-width: 800px;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-main);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    background-color: var(--bg-input);
    transition: all 0.2s;
    color: var(--color-text-main);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px rgba(0, 100, 255, 0.28);
}

.form-textarea {
    resize: vertical;
    min-height: 200px;
}

.form-select-sm {
    padding: 8px 12px;
    font-size: var(--font-size-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-input);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: var(--font-size-base);
    color: var(--color-text-main);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 12px;
}

/* Admin Table */
.admin-table-wrapper {
    overflow-x: auto;
    margin-bottom: 24px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th {
    background-color: var(--color-gray-50);
    padding: 16px;
    text-align: left;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-sub);
    border-bottom: 1px solid var(--border-color);
}

.admin-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
    color: var(--color-text-main);
}

.admin-table tbody tr:hover {
    background-color: var(--color-gray-50);
}

.table-title {
    font-weight: 500;
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 100px;
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.status-published {
    background-color: #DEF7EC;
    color: #047857;
}

.status-draft {
    background-color: var(--color-gray-100);
    color: var(--color-label);
}

.table-actions {
    display: flex;
    gap: 8px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: var(--font-size-xs);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .manual-list {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .search-bar {
        flex-direction: column;
    }
    
    .category-filter {
        justify-content: flex-start;
        overflow-x: auto;
    }
    
    .modal-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .admin-section {
        padding: 20px;
    }
    
    .admin-table-wrapper {
        overflow-x: scroll;
    }
    
    .admin-table {
        min-width: 800px;
    }
}

@media (max-width: 480px) {
    .form-actions {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
    }
}