/* =====================================================================
   가족공간(slf) 반응형 스타일시트
   PC, 태블릿, 모바일 완벽 대응
   ===================================================================== */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --secondary-color: #475569;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --table-header: #f1f5f9;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    padding-bottom: 60px;
}

/* 세션 인증 전 화면 깜빡임 방지 (인증 성공 시 auth-checked 클래스 추가) */
body.auth-pending {
    visibility: hidden;
}

/* 네비게이션 헤더 */
.navbar {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 16px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--secondary-color);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.2s;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
    background-color: var(--primary-light);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge-ntfc {
    background: var(--danger-color);
    color: #fff;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}

/* 컨테이너 */
.container {
    max-width: 1400px;
    margin: 20px auto;
    padding: 0 16px;
}

/* 카드 */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
}

.card-body {
    padding: 20px;
}

/* 버튼 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

.btn-secondary { background: #fff; color: var(--secondary-color); border-color: var(--border-color); }
.btn-secondary:hover { background: #f8fafc; }

.btn-success { background: var(--success-color); color: #fff; }
.btn-danger { background: var(--danger-color); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 0.82rem; }

/* 폼 요소 */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--secondary-color);
}

.form-control, .form-select {
    width: 100%;
    padding: 8px 12px;
    font-size: 0.92rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: #fff;
    outline: none;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

/* 통계 서머리 카드 그리드 */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.summary-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    text-align: center;
}

.summary-card .label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.summary-card .value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-color);
}

.summary-card.income .value { color: var(--primary-color); }
.summary-card.expense .value { color: var(--danger-color); }
.summary-card.profit .value { color: var(--success-color); }

/* 월별 가계부 엑셀형 반응형 테이블 */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.excel-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    white-space: nowrap;
}

.excel-table th, .excel-table td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: right;
}

.excel-table th {
    background: var(--table-header);
    font-weight: 600;
    color: var(--secondary-color);
    text-align: center;
}

.excel-table td.text-left { text-align: left; }
.excel-table td.text-center { text-align: center; }

.excel-table tr.total-row {
    background: #f8fafc;
    font-weight: 700;
}

.excel-table input.amt-input {
    width: 110px;
    padding: 4px 8px;
    text-align: right;
    font-size: 0.88rem;
    border: 1px solid transparent;
    border-radius: 4px;
    background: transparent;
}

.excel-table input.amt-input:hover {
    border-color: var(--border-color);
    background: #fff;
}

.excel-table input.amt-input:focus {
    border-color: var(--primary-color);
    background: #fff;
    outline: none;
}

/* 배지 */
.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 12px;
}
.badge-super { background: #fee2e2; color: #b91c1c; }
.badge-admin { background: #dbeafe; color: #1d4ed8; }
.badge-member { background: #f1f5f9; color: #475569; }

/* 모달 레이어 */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 16px;
}

.modal-overlay.active {
    display: flex;
}

.modal-box {
    background: #fff;
    border-radius: 12px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* 모바일 햄버거 메뉴 및 미디어 쿼리 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 뷰 모드 전환 (PC vs 모바일) */
.pc-view {
    display: block;
}
.mobile-view {
    display: none;
}

/* 모바일 카드 뷰 스타일 */
.mobile-member-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}
.mobile-member-tab {
    padding: 8px 16px;
    border: none;
    background: #f1f5f9;
    color: var(--secondary-color);
    font-size: 0.92rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}
.mobile-member-tab.active {
    background: var(--primary-color);
    color: #fff;
}

.mobile-group {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 16px;
    overflow: hidden;
}
.mobile-group-header {
    background: #f8fafc;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    font-weight: 700;
    font-size: 0.95rem;
}
.mobile-group-header .group-sum {
    color: var(--primary-color);
    font-size: 1rem;
}
.mobile-item-row {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
.mobile-item-row:last-child {
    border-bottom: none;
}
.mobile-item-info {
    flex: 1;
}
.mobile-item-name {
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text-color);
}
.mobile-item-badge {
    font-size: 0.72rem;
    margin-top: 2px;
}
.mobile-item-input-wrap {
    display: flex;
    align-items: center;
    gap: 4px;
}
.mobile-amt-input {
    width: 130px;
    padding: 8px 10px;
    text-align: right;
    font-size: 1rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: #fff;
}
.mobile-amt-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(37,99,235,0.15);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .navbar-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    }

    .navbar-nav.active {
        display: flex;
    }

    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 768px 이하에서는 PC 엑셀 뷰 숨기고 모바일 세로 카드 뷰 활성화 */
    .pc-view {
        display: none !important;
    }
    .mobile-view {
        display: block !important;
    }
}