:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --card-bg: rgba(30, 41, 59, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --positive: #22c55e;
    --negative: #ef4444;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-main);
    min-height: 100vh;
}

.data-info {
    font-size: 0.72rem;
    color: var(--text-main);
    margin-bottom: 8px;
    font-weight: 500;
    line-height: 1.2;
}

.glass {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    border-right: 1px solid var(--border-color);
    border-radius: 0;
}

.main-logo {
    max-width: 140px;
    height: auto;
    margin-bottom: 8px;
    display: block;
    filter: brightness(1.1);
}

.logo p {
    color: var(--text-main);
    font-size: 0.875rem;
    font-weight: 600;
}

.config-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.config-section h3 {
    font-size: 1rem;
    font-weight: 600;
}

.help-text {
    font-size: 0.75rem;
    color: var(--text-main);
    line-height: 1.4;
}

input[type="text"] {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 10px 12px;
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: border-color 0.2s;
}

input[type="text"]:focus {
    border-color: var(--accent);
}

.btn-primary {
    background-color: var(--accent);
    color: #fff;
    border: none;
    padding: 10px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

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

.status-indicator {
    font-size: 0.85rem;
    text-align: center;
    margin-top: 8px;
}

.status-success {
    color: var(--positive);
}

.status-error {
    color: var(--negative);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    overflow-y: auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.date-selector select {
    background: var(--bg-secondary);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
    outline: none;
}

/* KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.kpi-card {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: transform 0.2s;
}

.kpi-card:hover {
    transform: translateY(-2px);
}

.kpi-card h4 {
    color: var(--text-main);
    font-size: 0.875rem;
    font-weight: 500;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
}

.kpi-var {
    font-size: 0.875rem;
    font-weight: 600;
}

.var-up {
    color: var(--positive);
}

.var-down {
    color: var(--negative);
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.chart-container {
    padding: 20px;
}

.chart-container.span-2 {
    grid-column: span 2;
}

.chart-container h3 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text-main);
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
    color: var(--text-main);
}

.tables-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 12px;
}

.table-container {
    padding: 20px;
    overflow-x: auto;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.table-container h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 8px;
}

.table-container h3::before {
    content: "";
    width: 4px;
    height: 16px;
    background-color: var(--accent);
    border-radius: 2px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

th,
td {
    padding: 10px 8px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

td {
    color: var(--text-main);
    white-space: nowrap;
}

tbody tr:hover {
    background-color: rgba(56, 189, 248, 0.05);
}

/* Responsiveness */
@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }

    .chart-container.span-2 {
        grid-column: span 1;
    }

    .tables-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 16px;
    }
    
    .main-content {
        padding: 16px;
    }
}