/* ================================================================
   진담헤어 디자이너 매출 관리 - 메인 CSS
   디자인 톤: 파란색 계열, 둥근 버튼
   ================================================================ */

:root {
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #EFF6FF;
    --primary-border: #BFDBFE;
    --secondary: #64748B;
    --success: #10B981;
    --success-light: #ECFDF5;
    --danger: #EF4444;
    --danger-light: #FEF2F2;
    --warning: #F59E0B;
    --bg: #F8FAFC;
    --card-bg: #FFFFFF;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --border: #E2E8F0;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -1px rgba(0,0,0,.04);
}

/* Base */
body {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    background-color: var(--bg);
    color: var(--text-primary);
    font-size: 14px;
}

/* ================================================================
   레이아웃
   ================================================================ */

/* 사이드바 */
.sidebar {
    width: 240px;
    min-height: 100vh;
    background: #1E293B;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255,255,255,.1);
}

.sidebar-brand h1 {
    font-size: 18px;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0;
}

.sidebar-brand small {
    font-size: 11px;
    color: #94A3B8;
}

.sidebar-nav {
    padding: 16px 0;
}

.nav-section-title {
    font-size: 10px;
    font-weight: 600;
    color: #64748B;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 8px 24px 4px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    color: #94A3B8;
    text-decoration: none;
    font-size: 14px;
    border-radius: 0;
    transition: all 0.15s;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(37,99,235,.15);
    color: #60A5FA;
}

.sidebar-nav a.active {
    border-left: 3px solid #2563EB;
}

.sidebar-nav a i {
    width: 18px;
    text-align: center;
}

/* 메인 콘텐츠 */
.main-content {
    margin-left: 240px;
    min-height: 100vh;
}

.top-header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 90;
}

.page-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
}

.page-body {
    padding: 28px;
}

/* ================================================================
   카드
   ================================================================ */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: 20px;
}

/* ================================================================
   통계 카드
   ================================================================ */
.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.stat-card .label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 6px;
}

.stat-card .value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.stat-card .sub {
    font-size: 12px;
    margin-top: 6px;
}

.stat-card.primary {
    background: var(--primary);
    border-color: var(--primary);
}

.stat-card.primary .label,
.stat-card.primary .sub {
    color: rgba(255,255,255,.8);
}

.stat-card.primary .value {
    color: #FFFFFF;
}

.diff-up   { color: var(--success); }
.diff-down { color: var(--danger); }

/* ================================================================
   버튼
   ================================================================ */
.btn {
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    padding: 8px 16px;
    transition: all 0.15s;
    border: 1px solid transparent;
}

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

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

.btn-outline-primary {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

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

.btn-sm {
    padding: 5px 12px;
    font-size: 12px;
}

/* ================================================================
   주간 캘린더
   ================================================================ */
.week-calendar {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.week-day {
    flex: 1;
    min-width: 80px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.15s;
}

.week-day:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.week-day.selected {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.week-day .day-name {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.week-day.selected .day-name {
    color: rgba(255,255,255,.8);
}

.week-day .day-num {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}

.week-day .day-amount {
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
}

.week-day.selected .day-amount {
    color: rgba(255,255,255,.9);
}

/* ================================================================
   월 캘린더
   ================================================================ */
.month-calendar {
    width: 100%;
}

.mc-row {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
}

.mc-cell {
    aspect-ratio: 2 / 1;
    padding: 6px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.mc-head {
    min-height: auto;
    padding: 8px 4px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.mc-empty {
    background: var(--bg);
}

.mc-day {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all 0.15s;
}

.mc-day:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.mc-day.mc-today .mc-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff !important;
    font-weight: 700;
}

.mc-day.mc-selected {
    background: var(--primary-light);
    border-color: var(--primary);
    box-shadow: inset 0 0 0 2px var(--primary);
}

.mc-num {
    font-size: 13px;
    font-weight: 600;
    line-height: 24px;
}

.mc-amt {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ================================================================
   날짜 네비게이션
   ================================================================ */
.date-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.date-nav-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s;
    color: var(--text-secondary);
}

.date-nav-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.date-nav-label {
    font-size: 15px;
    font-weight: 600;
    min-width: 180px;
    text-align: center;
}

/* ================================================================
   필터 바
   ================================================================ */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-input {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 7px 12px;
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s;
}

.filter-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}

/* ================================================================
   탭
   ================================================================ */
.custom-tabs {
    display: flex;
    border-bottom: 2px solid var(--border);
    gap: 0;
    margin-bottom: 20px;
}

.custom-tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.15s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
}

.custom-tab:hover {
    color: var(--primary);
}

.custom-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

/* ================================================================
   테이블
   ================================================================ */
.table-wrapper {
    overflow-x: auto;
}

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

.data-table th {
    background: #F8FAFC;
    border-bottom: 2px solid var(--border);
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: left;
    white-space: nowrap;
}

.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-primary);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: var(--primary-light);
}

.amount-cell {
    font-weight: 600;
    color: var(--primary);
    text-align: right;
}

/* ================================================================
   페이지네이션
   ================================================================ */
.pagination-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
}

.page-btn {
    width: 34px;
    height: 34px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    color: var(--text-primary);
}

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

.page-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    font-weight: 600;
}

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

/* ================================================================
   차트 컨테이너
   ================================================================ */
.chart-container {
    position: relative;
    height: 280px;
}

.chart-container-sm {
    position: relative;
    height: 220px;
}

/* ================================================================
   배지
   ================================================================ */
.badge-payment {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.badge-onsite {
    background: #FEF3C7;
    color: #92400E;
}

.badge-inapp {
    background: var(--primary-light);
    color: var(--primary);
}

/* ================================================================
   로그인 페이지
   ================================================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

.login-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(37,99,235,.12);
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo h1 {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
    margin: 0;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 4px;
}

.login-form .form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.login-form .form-control {
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 14px;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.login-form .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
    outline: none;
}

.login-btn {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    background: var(--primary);
    border: none;
    color: #fff;
    cursor: pointer;
    transition: background 0.15s;
}

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

/* ================================================================
   반응형 — 태블릿 (992px 이하)
   ================================================================ */
@media (max-width: 992px) {
    .chart-container {
        height: 240px;
    }
    .chart-container-sm {
        height: 200px;
    }
}

/* ================================================================
   반응형 — 모바일 (768px 이하)
   ================================================================ */
@media (max-width: 768px) {
    /* 사이드바 */
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }

    /* 레이아웃 */
    .main-content {
        margin-left: 0;
    }
    .page-body {
        padding: 16px;
    }
    .top-header {
        padding: 12px 16px;
    }
    .page-title {
        font-size: 16px;
    }
    .hamburger-btn {
        display: flex !important;
    }

    /* 통계 카드 */
    .stat-card {
        padding: 16px;
    }
    .stat-card .value {
        font-size: 22px;
    }
    .stat-card .label {
        font-size: 11px;
    }

    /* 카드 */
    .card-header {
        padding: 12px 16px;
        font-size: 13px;
        flex-wrap: wrap;
        gap: 8px;
    }
    .card-body {
        padding: 16px;
    }

    /* 날짜 네비게이션 */
    .date-nav {
        gap: 8px;
    }
    .date-nav-label {
        font-size: 13px;
        min-width: 130px;
    }

    /* 주간 캘린더 */
    .week-calendar {
        gap: 4px;
    }
    .week-day {
        min-width: 44px;
        padding: 8px 4px;
    }
    .week-day .day-num {
        font-size: 16px;
    }
    .week-day .day-amount {
        font-size: 10px;
    }

    /* 월간 캘린더 */
    .mc-cell {
        aspect-ratio: auto;
        padding: 3px 2px;
        min-height: 44px;
    }
    .mc-head {
        padding: 4px 2px;
        font-size: 11px;
        min-height: auto;
    }
    .mc-num {
        font-size: 11px;
    }
    .mc-amt {
        font-size: 9px;
    }
    .mc-day.mc-today .mc-num {
        width: 20px;
        height: 20px;
        font-size: 11px;
    }

    /* 차트 */
    .chart-container {
        height: 200px;
    }
    .chart-container-sm {
        height: 180px;
    }

    /* 필터 바 */
    .filter-bar {
        gap: 6px;
    }
    .filter-input {
        font-size: 12px;
        padding: 6px 8px;
    }
    .filter-input[type="date"],
    .filter-input[type="month"] {
        width: 130px;
        min-width: 0;
        flex: none;
    }
    .filter-bar .btn-sm {
        padding: 5px 8px;
        font-size: 11px;
    }
    .filter-bar > span {
        font-size: 12px;
    }

    /* 탭 */
    .custom-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .custom-tabs::-webkit-scrollbar {
        display: none;
    }
    .custom-tab {
        padding: 8px 14px;
        font-size: 13px;
        white-space: nowrap;
    }

    /* 테이블 */
    .data-table th {
        padding: 8px 10px;
        font-size: 11px;
    }
    .data-table td {
        padding: 10px;
        font-size: 12px;
    }

    /* 페이지네이션 */
    .page-btn {
        width: 30px;
        height: 30px;
        font-size: 12px;
    }

    /* 로그인 */
    .login-card {
        margin: 16px;
        padding: 32px 24px;
    }
    .login-logo h1 {
        font-size: 20px;
    }

    /* 모달 */
    .modal-dialog {
        margin: 8px;
    }
    .modal-content {
        height: auto !important;
        max-height: 90vh;
    }
}

/* ================================================================
   반응형 — 작은 모바일 (400px 이하)
   ================================================================ */
@media (max-width: 400px) {
    .page-body {
        padding: 12px;
    }
    .stat-card .value {
        font-size: 18px;
    }
    .date-nav-label {
        font-size: 12px;
        min-width: 110px;
    }
    .week-day {
        min-width: 38px;
    }
    .week-day .day-num {
        font-size: 14px;
    }
    .mc-amt {
        display: none;
    }
    .filter-bar label {
        display: none;
    }
    .filter-input[type="date"],
    .filter-input[type="month"] {
        width: 115px;
    }
    .chart-container {
        height: 180px;
    }
}

.hamburger-btn {
    display: none;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #fff;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* 오버레이 (모바일) */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 99;
}

.sidebar-overlay.show {
    display: block;
}

/* 빈 상태 */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.4;
}

.empty-state p {
    font-size: 14px;
}