:root {
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-blue: #38bdf8;
    --accent-indigo: #6366f1;
    --accent-amber: #f59e0b;
    --accent-emerald: #10b981;
    --accent-rose: #f43f5e;
    --font-main: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    font-family: var(--font-main);
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 1.5rem;
}

.app-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-icon {
    font-size: 2.2rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem;
    border-radius: 12px;
}

.brand-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--accent-emerald);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-emerald);
    box-shadow: 0 0 8px var(--accent-emerald);
}

/* Controls */
.controls-card {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.control-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.select-wrapper select {
    background: #0f172a;
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    padding: 0.6rem 1rem;
    border-radius: 10px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    outline: none;
    cursor: pointer;
    min-width: 220px;
}

.btn {
    padding: 0.55rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--card-border);
    font-family: var(--font-main);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-primary {
    background: linear-gradient(90deg, #38bdf8, #6366f1);
    color: #ffffff;
    border: none;
}

.btn-primary:hover {
    opacity: 0.9;
}

.button-group {
    display: flex;
    gap: 0.35rem;
    background: #0f172a;
    padding: 0.3rem;
    border-radius: 12px;
    border: 1px solid var(--card-border);
}

.btn-tab {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
}

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

.btn-tab.active {
    background: var(--accent-indigo);
    color: #ffffff;
}

/* Dashboard Grid */
.dashboard-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.metrics-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.metric-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.metric-value {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 0.4rem 0 0.2rem 0;
    color: var(--text-primary);
}

.metric-valueHighlight {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-amber);
    margin: 0.4rem 0 0.2rem 0;
}

.metric-sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Chart Card */
.chart-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.chart-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

.live-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--accent-amber);
    font-family: var(--font-mono);
}

.live-pulse {
    width: 8px;
    height: 8px;
    background: var(--accent-amber);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(245, 158, 11, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.chart-wrapper {
    position: relative;
    height: 420px;
    width: 100%;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(6px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 999;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background: #1e293b;
    border: 1px solid var(--card-border);
    border-radius: 16px;
    width: 90%;
    max-width: 440px;
    padding: 1.75rem;
}

    .modal-card.modal-card-wide {
        max-width: 900px;
    }

    .modal-card h3 {
        margin-bottom: 0.25rem;
    }

    .modal-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        margin-bottom: 1rem;
    }

    .modal-subtitle {
        font-size: 0.85rem;
        color: var(--text-secondary);
        margin-bottom: 1.25rem;
    }

    .table-container {
        overflow-x: auto;
    }

    .editor-table {
        width: 100%;
        border-collapse: collapse;
        min-width: 680px;
    }

    .editor-table th,
    .editor-table td {
        padding: 0.85rem 0.9rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        text-align: left;
        color: var(--text-primary);
        font-size: 0.94rem;
    }

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

    .editor-table input {
        width: 100%;
        background: #0f172a;
        border: 1px solid var(--card-border);
        border-radius: 10px;
        padding: 0.55rem 0.75rem;
        color: var(--text-primary);
        font-family: var(--font-main);
    }

    .btn-small {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .modal-message {
        margin-top: 1rem;
        font-size: 0.9rem;
        color: var(--accent-emerald);
.form-group input {
    background: #0f172a;
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-family: var(--font-main);
    font-size: 1rem;
    outline: none;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}