/**
 * SearchFilter Component CSS
 * v3.37.0 - 검색/필터 시스템 완전 컴포넌트화
 *
 * Ultra Think 모드로 33개 파일의 검색/필터 패턴 분석 후 통합
 *
 * 지원 레이아웃:
 * - inline: 모든 요소 한 줄 (기본)
 * - grid-2: 2열 그리드
 * - grid-3: 3열 그리드
 * - grid-4: 4열 그리드 (admin 페이지용)
 */

/* ==================== 컨테이너 ==================== */
.search-filter-section {
    background: white;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    box-sizing: border-box;
}

/* ==================== 헤더 (접기/펼치기) ==================== */
.search-filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.search-filter-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a202c;
    margin: 0;
}

.search-filter-toggle {
    background: none;
    border: none;
    color: #667eea;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.search-filter-toggle:hover {
    background-color: #f7fafc;
}

.search-filter-toggle .toggle-icon {
    transition: transform 0.2s;
}

/* ==================== 폼 래퍼 ==================== */
.search-filter-form,
.search-filter-wrapper {
    width: 100%;
    box-sizing: border-box;
}

/* ==================== 필터 그리드 레이아웃 ==================== */
.search-filter-grid {
    display: grid;
    gap: 16px;
    margin-bottom: 16px;
}

/* Inline 레이아웃 (기본 - PC에서 필터와 검색 모두 한 줄) */
.search-filter-inline-row {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: nowrap;
    width: 100%;
}

.search-filter-inline-row .search-filter-input,
.search-filter-inline-row select {
    width: 150px;
    flex-shrink: 0;
}

.search-filter-inline-row .search-filter-search-input {
    flex: 1;
    min-width: 0;
}

.search-filter-inline-row .search-filter-submit,
.search-filter-inline-row .search-filter-reset {
    flex-shrink: 0;
    white-space: nowrap;
}

/* Grid-2 레이아웃 (2열) */
.search-filter-grid.layout-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

/* Grid-3 레이아웃 (3열) */
.search-filter-grid.layout-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Grid-4 레이아웃 (4열 - admin용) */
.search-filter-grid.layout-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ==================== 필터 그룹 ==================== */
.search-filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.search-filter-label {
    font-size: 13px;
    font-weight: 500;
    color: #4a5568;
}

/* ==================== 입력 필드 ==================== */
.search-filter-input {
    padding: 10px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s;
    width: 100%;
    box-sizing: border-box !important;
}

.search-filter-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-filter-input:hover {
    border-color: #cbd5e0;
}

/* Select 필드 특별 스타일 */
.search-filter-input[type="select"],
.search-filter-input select {
    cursor: pointer;
    background-color: white;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234a5568' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Date 필드 */
.search-filter-input[type="date"] {
    cursor: pointer;
}

/* Number 필드 */
.search-filter-input[type="number"] {
    text-align: left;
}

/* ==================== 검색 행 ==================== */
.search-filter-row {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-filter-search-input {
    padding: 10px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 14px;
    flex: 1;
    transition: all 0.2s;
    min-width: 300px;
    box-sizing: border-box !important;
}

.search-filter-search-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* ==================== 버튼 ==================== */
.search-filter-submit,
.search-filter-reset {
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.search-filter-submit {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.search-filter-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.search-filter-reset {
    background: #f8f9fa;
    color: #6c757d;
    border: 1px solid #dee2e6;
}

.search-filter-reset:hover {
    background: #e9ecef;
}

/* ==================== 반응형 ==================== */

/* 태블릿 (768px 이하) */
@media (max-width: 768px) {
    .search-filter-section {
        padding: 16px;
    }

    /* 모든 그리드를 2열로 축소 */
    .search-filter-grid.layout-grid-3,
    .search-filter-grid.layout-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Inline 레이아웃을 세로 배치 */
    .search-filter-inline-row {
        flex-direction: column;
        align-items: stretch;
        flex-wrap: nowrap;
    }

    .search-filter-inline-row .search-filter-input,
    .search-filter-inline-row select,
    .search-filter-inline-row .search-filter-search-input {
        width: 100%;
    }

    .search-filter-inline-row .search-filter-submit,
    .search-filter-inline-row .search-filter-reset {
        width: 100%;
        justify-content: center;
    }

    /* 검색 행을 세로 배치 */
    .search-filter-row {
        flex-direction: column;
        gap: 8px;
    }

    .search-filter-search-input {
        min-width: auto;
        width: 100%;
    }

    .search-filter-submit,
    .search-filter-reset {
        width: 100%;
        justify-content: center;
    }
}

/* 모바일 (480px 이하) */
@media (max-width: 480px) {
    .search-filter-section {
        padding: 12px;
        border-radius: 8px;
    }

    /* 모든 그리드를 1열로 */
    .search-filter-grid.layout-grid-2,
    .search-filter-grid.layout-grid-3,
    .search-filter-grid.layout-grid-4 {
        grid-template-columns: 1fr;
    }

    .search-filter-header {
        margin-bottom: 12px;
    }

    .search-filter-title {
        font-size: 14px;
    }

    .search-filter-toggle {
        font-size: 12px;
        padding: 4px 8px;
    }

    .search-filter-input,
    .search-filter-search-input {
        padding: 8px 10px;
        font-size: 13px;
    }

    .search-filter-label {
        font-size: 12px;
    }

    .search-filter-submit,
    .search-filter-reset {
        padding: 8px 12px;
        font-size: 13px;
    }
}

/* ==================== 다크모드 지원 ==================== */
@media (prefers-color-scheme: dark) {
    .search-filter-section {
        background: #1a202c;
        border-color: #2d3748;
    }

    .search-filter-title {
        color: #e2e8f0;
    }

    .search-filter-toggle {
        color: #667eea;
    }

    .search-filter-toggle:hover {
        background-color: #2d3748;
    }

    .search-filter-label {
        color: #a0aec0;
    }

    .search-filter-input,
    .search-filter-search-input {
        background: #2d3748;
        border-color: #4a5568;
        color: #e2e8f0;
    }

    .search-filter-input:focus,
    .search-filter-search-input:focus {
        border-color: #667eea;
        background: #2d3748;
    }

    .search-filter-input:hover,
    .search-filter-search-input:hover {
        border-color: #4a5568;
    }

    .search-filter-reset {
        background: #2d3748;
        color: #a0aec0;
        border-color: #4a5568;
    }

    .search-filter-reset:hover {
        background: #4a5568;
    }
}

/* ==================== 애니메이션 ==================== */
.search-filter-content {
    transition: all 0.3s ease;
}

.search-filter-input,
.search-filter-search-input {
    transition: all 0.2s ease;
}

/* ==================== 접근성 ==================== */
.search-filter-input:focus-visible,
.search-filter-search-input:focus-visible,
.search-filter-submit:focus-visible,
.search-filter-reset:focus-visible,
.search-filter-toggle:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* ==================== 프린트 스타일 ==================== */
@media print {
    .search-filter-section {
        border: none;
        box-shadow: none;
        padding: 0;
    }

    .search-filter-header {
        display: none;
    }

    .search-filter-submit,
    .search-filter-reset {
        display: none;
    }
}