/* ============================================
   Crypto Dashboard - Style
   다크 테마 기반 트레이딩 대시보드
   ============================================ */

/* --- 리셋 및 기본 --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #1e2130;
    --bg-input: #252836;
    --border: #2d3044;
    --text-primary: #e4e6eb;
    --text-secondary: #8b8fa3;
    --text-muted: #5c6078;
    --accent: #4a6cf7;
    --accent-hover: #3b5de7;
    --up: #00c087;
    --up-bg: rgba(0, 192, 135, 0.1);
    --down: #f6465d;
    --down-bg: rgba(246, 70, 93, 0.1);
    --buy: #00c087;
    --sell: #f6465d;
    --warning: #f0b90b;
    --danger: #f6465d;
    --sidebar-width: 220px;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
}

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover {
    color: var(--accent-hover);
}

/* --- 레이아웃 --- */
.layout {
    display: flex;
    min-height: 100vh;
}

/* --- 사이드바 --- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 20px 16px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.nav-menu {
    list-style: none;
    padding: 8px 0;
    flex: 1;
}

.nav-menu li a {
    display: block;
    padding: 10px 20px;
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.15s;
}

.nav-menu li a:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-menu li.active a {
    background: rgba(74, 108, 247, 0.1);
    color: var(--accent);
    border-left: 3px solid var(--accent);
    padding-left: 17px;
}

.nav-divider {
    height: 1px;
    background: var(--border);
    margin: 8px 16px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
}

.user-info {
    margin-bottom: 10px;
}

.user-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 13px;
}

.user-role {
    font-size: 11px;
    color: var(--text-muted);
}

.btn-logout {
    display: block;
    text-align: center;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 12px;
    transition: all 0.15s;
}

.btn-logout:hover {
    border-color: var(--danger);
    color: var(--danger);
}

/* --- 메인 콘텐츠 --- */
.content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 24px 32px;
    min-height: 100vh;
}

.content-header {
    margin-bottom: 24px;
}

.content-header h1 {
    font-size: 22px;
    font-weight: 700;
}

/* --- 카드 그리드 --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
}

.card-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-value {
    font-size: 20px;
    font-weight: 700;
}

.card-sub {
    font-size: 13px;
    font-weight: 400;
}

/* --- 색상 --- */
.text-up { color: var(--up); }
.text-down { color: var(--down); }
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.text-center { text-align: center; }

/* --- 섹션 --- */
.section {
    margin-bottom: 24px;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

/* --- 2열 그리드 --- */
.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

/* --- 테이블 --- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.data-table thead {
    background: var(--bg-secondary);
}

.data-table th {
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 10px 14px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}

.data-table tbody tr:hover {
    background: rgba(74, 108, 247, 0.03);
}

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

.data-table.compact td {
    padding: 7px 10px;
    font-size: 12px;
}

.reason-cell {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* --- 뱃지 --- */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-admin { background: rgba(74, 108, 247, 0.15); color: var(--accent); }
.badge-user { background: rgba(139, 143, 163, 0.15); color: var(--text-secondary); }
.badge-active { background: var(--up-bg); color: var(--up); }
.badge-inactive { background: var(--down-bg); color: var(--down); }
.badge-buy { background: var(--up-bg); color: var(--up); }
.badge-sell { background: var(--down-bg); color: var(--down); }
.badge-hold { background: rgba(240, 185, 11, 0.15); color: var(--warning); }
.badge-filled { background: var(--up-bg); color: var(--up); }
.badge-pending { background: rgba(240, 185, 11, 0.15); color: var(--warning); }
.badge-cancelled { background: rgba(139, 143, 163, 0.15); color: var(--text-muted); }
.badge-failed { background: var(--down-bg); color: var(--down); }

/* --- 버튼 --- */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}

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

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

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

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

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

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* --- 폼 --- */
.form-panel {
    max-width: 500px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group select {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

.required {
    color: var(--danger);
}

.form-actions {
    display: flex;
    gap: 8px;
    margin-top: 24px;
}

/* --- 필터 바 --- */
.filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    align-items: center;
}

.filter-bar select {
    padding: 6px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
}

.filter-bar select:focus {
    outline: none;
    border-color: var(--accent);
}

.filter-bar .date-input {
    padding: 4px 8px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 12px;
}

.filter-bar .date-input:focus {
    outline: none;
    border-color: var(--accent);
}

.filter-bar .date-input::-webkit-calendar-picker-indicator {
    filter: invert(0.7);
    cursor: pointer;
}

/* --- 툴바 --- */
.toolbar {
    margin-bottom: 16px;
}

/* --- 테이블 액션 셀 --- */
.actions {
    white-space: nowrap;
    display: flex;
    gap: 4px;
}

/* --- 페이지네이션 --- */
.pagination {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    justify-content: center;
}

.page-info {
    font-size: 13px;
    color: var(--text-secondary);
}

/* --- 알림 --- */
.alert {
    padding: 10px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 13px;
}

.alert-success {
    background: var(--up-bg);
    color: var(--up);
    border: 1px solid rgba(0, 192, 135, 0.2);
}

.alert-error {
    background: var(--down-bg);
    color: var(--down);
    border: 1px solid rgba(246, 70, 93, 0.2);
}

/* ============================================
   로그인 페이지
   ============================================ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
}

.login-container {
    width: 100%;
    max-width: 380px;
    padding: 20px;
}

.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px 32px;
}

.login-title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4px;
}

.login-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 28px;
}

.login-form .form-group {
    margin-bottom: 18px;
}

.login-form .btn-block {
    margin-top: 24px;
    padding: 12px;
    font-size: 15px;
    font-weight: 600;
}

/* --- 테이블 가로 스크롤 --- */
.table-scroll {
    overflow-x: auto;
}

/* --- 카드 메타 정보 --- */
.card-meta {
    margin-top: 8px;
    font-size: 12px;
    display: flex;
    justify-content: space-between;
}

/* --- 차트 컨테이너 --- */
.chart-container {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.chart-container canvas {
    max-height: 300px;
}

.chart-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

/* --- 게이지 차트 --- */
.gauge-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px 16px 12px;
    text-align: center;
}

.gauge-wrap canvas {
    max-height: 120px;
}

.gauge-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.gauge-value {
    font-size: 28px;
    font-weight: 700;
    margin-top: -8px;
}

.gauge-stage {
    font-size: 13px;
    margin-top: 2px;
}

/* --- 3열 그리드 --- */
.grid-3col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

/* --- 접기/펼치기 --- */
.collapsible-toggle {
    cursor: pointer;
    color: var(--accent);
    font-size: 13px;
    background: none;
    border: none;
    padding: 4px 0;
}

.collapsible-content {
    display: none;
    margin-top: 8px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.collapsible-content.open {
    display: block;
}

/* --- 안내 박스 --- */
.info-box {
    padding: 24px;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 14px;
}

/* --- 반응형 --- */
@media (max-width: 900px) {
    .grid-2col {
        grid-template-columns: 1fr;
    }
    .grid-3col {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .grid-3col {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        flex-direction: row;
        align-items: center;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .sidebar-header {
        padding: 12px 16px;
        border-bottom: none;
    }

    .nav-menu {
        display: flex;
        padding: 0;
        overflow-x: auto;
    }

    .nav-menu li a {
        padding: 12px 14px;
        white-space: nowrap;
    }

    .nav-menu li.active a {
        border-left: none;
        border-bottom: 2px solid var(--accent);
        padding-left: 14px;
    }

    .nav-divider {
        display: none;
    }

    .sidebar-footer {
        display: none;
    }

    .layout {
        flex-direction: column;
    }

    .content {
        margin-left: 0;
        padding: 16px;
    }

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