/* ============================================
   HLC 공통 컴포넌트 CSS (common.css)
   여러 페이지에서 재사용되는 UI 컴포넌트
   ============================================ */

/* ========== 헤더 ========== */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 0.75rem 0;
    box-shadow: var(--card-shadow);
    position: sticky;
    top: 0;
    z-index: 1030;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.app-info h1 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
    white-space: nowrap;
}

.app-info .version {
    font-size: 0.7rem;
    opacity: 0.8;
    margin: 0;
    line-height: 1;
}

/* ========== 네비게이션 ========== */
.nav-pills {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 0.25rem;
    backdrop-filter: blur(10px);
    display: flex;
    gap: 0.25rem;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav-pills::-webkit-scrollbar {
    display: none;
}

.nav-pills .nav-link {
    color: rgba(255, 255, 255, 0.8);
    border-radius: 6px;
    padding: 0.4rem 0.6rem;
    font-weight: 500;
    font-size: 0.75rem;
    transition: var(--transition);
    white-space: nowrap;
    min-width: auto;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-pills .nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-pills .nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.nav-pills .nav-link i {
    font-size: 0.7rem;
}

/* ========== 메인 컨테이너 ========== */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

/* ========== 통계 카드 그리드 ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 0.75rem 0.5rem;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    text-align: center;
}

.stat-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin: 0 0 0.25rem 0;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--secondary-color);
    font-weight: 500;
    margin: 0;
}

.stat-card.success .stat-value { color: var(--success-color); }
.stat-card.warning .stat-value { color: var(--warning-color); }
.stat-card.info .stat-value { color: var(--info-color); }
.stat-card.primary .stat-value { color: var(--primary-color); }

/* ========== 필터/검색 섹션 ========== */
.filter-section {
    background: white;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

.search-container {
    position: relative;
    margin-bottom: 0.75rem;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    transition: var(--transition);
    background: var(--light-color);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
    background: white;
}

.search-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary-color);
    font-size: 1rem;
}

/* ========== 필터 버튼 그룹 ========== */
.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.4rem 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    background: white;
    color: var(--secondary-color);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

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

/* ========== 테이블 컨테이너 ========== */
.table-container {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

.table-header {
    background: linear-gradient(135deg, var(--light-color), #f1f5f9);
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.table-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-color);
    margin: 0;
}

/* ========== 카드형 컨테이너 ========== */
.card-container {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

/* ========== 섹션 헤더 ========== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.section-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ========== 버튼 공통 스타일 ========== */
.btn-primary-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
}

.btn-primary-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 90, 160, 0.3);
    background: linear-gradient(135deg, var(--primary-dark), #1e40af);
    color: white;
}

.btn-sm {
    padding: 0.35rem 0.65rem;
    font-size: 0.8rem;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
}

/* ========== 뱃지 ========== */
.badge-success { background: var(--success-color); color: white; }
.badge-warning { background: var(--warning-color); color: white; }
.badge-danger { background: var(--danger-color); color: white; }
.badge-info { background: var(--info-color); color: white; }
.badge-primary { background: var(--primary-color); color: white; }

/* ========== 모달 공통 ========== */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow-hover);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-body {
    padding: 1.5rem;
}

/* ========== 반응형: 모바일 ========== */
@media (max-width: 768px) {
    .header {
        padding: 0.5rem 0;
    }

    .header-content {
        flex-direction: column;
        gap: 0.5rem;
    }

    .logo-section {
        align-self: flex-start;
        width: 100%;
    }

    .nav-pills {
        width: 100%;
        margin: 0;
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.5rem;
    }

    .stat-card {
        padding: 0.75rem 0.4rem;
    }

    .stat-value {
        font-size: 1.4rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .main-container {
        padding: 0.75rem 0.5rem;
    }

    .app-info h1 {
        font-size: 1rem;
    }

    .app-info .version {
        font-size: 0.65rem;
    }

    .filter-buttons {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 0.5rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.4rem;
    }

    .stat-card {
        padding: 0.6rem 0.3rem;
    }

    .stat-value {
        font-size: 1.2rem;
    }

    .stat-label {
        font-size: 0.65rem;
    }

    .nav-pills .nav-link {
        padding: 0.35rem 0.5rem;
        font-size: 0.7rem;
    }

    .nav-pills .nav-link i {
        font-size: 0.65rem;
    }
}