/* === Reset & Base === */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #0f1117;
    --bg-card: #1a1d27;
    --bg-hover: #242733;
    --border: #2a2d3a;
    --text: #e4e4e7;
    --text-dim: #8b8d98;
    --primary: #6c5ce7;
    --primary-light: #a29bfe;
    --accent: #00cec9;
    --danger: #ff6b6b;
    --success: #51cf66;
    --warning: #ffd43b;
    --orange: #ff922b;
    --sidebar-w: 240px;
}

body {
    font-family: -apple-system, 'Pretendard', 'Noto Sans KR', sans-serif;
    background: var(--bg);
    color: var(--text);
    display: flex;
    min-height: 100vh;
}

/* === Sidebar === */
.sidebar {
    width: var(--sidebar-w);
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
}

.logo {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border);
}

.logo-icon { font-size: 24px; }

.logo h1 {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    list-style: none;
    padding: 12px 8px;
    flex: 1;
}

.nav-item {
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dim);
    transition: all 0.2s;
    margin-bottom: 4px;
    font-size: 14px;
}

.nav-item:hover { background: var(--bg-hover); color: var(--text); }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-icon { font-size: 18px; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 12px;
}

/* === Main Content === */
.content {
    margin-left: var(--sidebar-w);
    flex: 1;
    padding: 32px 40px;
    max-width: 1200px;
}

.tab-content { display: none; }
.tab-content.active { display: block; }

.page-header { margin-bottom: 28px; }
.page-header h2 { font-size: 28px; font-weight: 700; }
.subtitle { color: var(--text-dim); margin-top: 4px; font-size: 14px; }

/* === Setup Guide === */
.setup-guide {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
}

.setup-guide h3 { margin-bottom: 16px; font-size: 18px; }

.setup-steps { display: flex; flex-direction: column; gap: 16px; }

.setup-step {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px;
    border-radius: 8px;
    background: var(--bg);
}

.setup-step.done { opacity: 0.5; }
.setup-step.done .step-status { background: var(--success); }

.step-status {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.setup-step strong { font-size: 14px; }
.setup-step p { color: var(--text-dim); font-size: 13px; margin-top: 2px; }

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

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.stat-card.alert { border-color: var(--danger); }
.stat-card.alert .stat-value { color: var(--danger); }
.stat-card.success { border-color: var(--success); }
.stat-card.success .stat-value { color: var(--success); }
.stat-card.highlight { border-color: var(--accent); }
.stat-card.highlight .stat-value { color: var(--accent); }

.stat-label { color: var(--text-dim); font-size: 13px; margin-bottom: 6px; }
.stat-value { font-size: 28px; font-weight: 700; }

/* === Buttons === */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

/* === Input === */
.input-group { margin-bottom: 24px; }
.input-group label { display: block; margin-bottom: 8px; font-size: 14px; font-weight: 600; }

.input-row { display: flex; gap: 8px; }

.input-row input {
    flex: 1;
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    outline: none;
}

.input-row input:focus { border-color: var(--primary); }

/* === Upload Area === */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 48px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 24px;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--primary);
    background: rgba(108, 92, 231, 0.05);
}

.upload-icon { font-size: 48px; margin-bottom: 12px; }
.upload-hint { color: var(--text-dim); font-size: 13px; margin-top: 8px; }

.uploaded-files { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }

.file-tag {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.file-tag .platform {
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.file-tag .platform.mrt { background: #6c5ce7; color: #fff; }
.file-tag .platform.yga { background: #00cec9; color: #000; }

/* === Filter Bar === */
.filter-bar { display: flex; gap: 8px; margin-bottom: 16px; }

.filter-btn {
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: transparent;
    color: var(--text-dim);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover { border-color: var(--text-dim); }
.filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* === Period Tabs === */
.period-tabs { display: flex; gap: 8px; margin-bottom: 16px; }

.period-btn {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-dim);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.period-btn:hover { border-color: var(--text-dim); }
.period-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* === Tables === */
.table-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th {
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
    font-weight: 600;
    white-space: nowrap;
}

td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg-hover); }

/* === Status Badges === */
.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.badge-danger { background: rgba(255, 107, 107, 0.15); color: var(--danger); }
.badge-success { background: rgba(81, 207, 102, 0.15); color: var(--success); }
.badge-warning { background: rgba(255, 212, 59, 0.15); color: var(--warning); }
.badge-info { background: rgba(108, 92, 231, 0.15); color: var(--primary-light); }

/* === Charts === */
.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.chart-card h3 { font-size: 15px; margin-bottom: 16px; }

.chart-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.chart-card.half { margin-bottom: 0; }

.dashboard-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* === Data Guide & Period === */
.data-guide {
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid var(--primary);
    border-radius: 8px;
    padding: 14px 18px;
    margin-bottom: 16px;
    font-size: 13px;
}

.data-guide strong { color: var(--primary-light); }
.data-guide p + p { margin-top: 4px; color: var(--text-dim); }

.period-warning {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid var(--danger);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--danger);
}

.period-info {
    color: var(--text-dim);
    font-size: 13px;
    margin-bottom: 12px;
}

.platform-badge {
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.platform-badge.mrt { background: #6c5ce7; color: #fff; }
.platform-badge.yga { background: #00cec9; color: #000; }

/* === Info Bar === */
.info-bar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 16px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-dim);
}

/* === Warning Card === */
.stat-card.warning-card { border-color: var(--warning); }
.stat-card.warning-card .stat-value { color: var(--warning); }

/* === File Delete === */
.file-tag { position: relative; }
.file-delete {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 14px;
    padding: 0 0 0 6px;
    line-height: 1;
}
.file-delete:hover { color: var(--danger); }

/* === Section Desc === */
.section-desc { color: var(--text-dim); font-size: 12px; margin: -8px 0 14px; }

/* === Month Selector === */
.month-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.month-selector label { font-weight: 600; font-size: 14px; }

.month-selector select {
    padding: 8px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
}

/* === Sales Filter === */
.sales-filter-btn {
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: transparent;
    color: var(--text-dim);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}
.sales-filter-btn:hover { border-color: var(--text-dim); }
.sales-filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.sort-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-dim);
}

.sort-btn {
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: transparent;
    color: var(--text-dim);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.sort-btn:hover { border-color: var(--text-dim); }
.sort-btn.active { background: var(--bg-hover); color: var(--text); border-color: var(--text-dim); }

/* === Trend Time Nav === */
.trend-time-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.trend-time-btn {
    padding: 8px 18px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-dim);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.trend-time-btn:hover { border-color: var(--primary); color: var(--text); }
.trend-time-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* === Mission Section === */
.mission-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

.mission-section.urgent { border-color: var(--danger); }
.mission-section.gems { border-color: var(--accent); }
.mission-section.analyze { border-color: var(--orange); }
.mission-section.week { border-color: var(--primary); }
.mission-section.low { border-color: var(--warning); }

.mission-section h3 { font-size: 15px; margin-bottom: 14px; }

.mission-list { display: flex; flex-direction: column; gap: 8px; }

.mission-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    background: var(--bg);
    border-radius: 8px;
}

.mission-item-info { flex: 1; }
.mission-item-name { font-weight: 600; font-size: 14px; }
.mission-item-detail { color: var(--text-dim); font-size: 12px; margin-top: 2px; }

.mission-item-blogref {
    font-size: 11px;
    color: var(--primary-light);
    margin-top: 3px;
    opacity: 0.8;
}

.mission-item-meta {
    text-align: right;
    font-size: 13px;
}

.mission-item-revenue { font-weight: 700; color: var(--accent); }
.mission-item-days { color: var(--text-dim); font-size: 12px; }

/* === Loading === */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-dim);
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 60px;
    color: var(--text-dim);
}

.empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state h3 { color: var(--text); margin-bottom: 8px; }

.section-title { font-size: 16px; margin: 24px 0 12px; }

/* === Scrollbar === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* === Responsive === */
@media (max-width: 1024px) {
    .chart-row, .dashboard-charts { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar {
        width: 60px;
        overflow: hidden;
    }
    .sidebar .logo h1,
    .sidebar .nav-item span:not(.nav-icon),
    .sidebar-footer { display: none; }
    .logo { justify-content: center; padding: 16px; }
    .nav-item { justify-content: center; padding: 12px; }
    .content { margin-left: 60px; padding: 20px; }
}