:root {
    --bg-color: #ffffff;
    --text-color: #111111;
    --sub-color: #555555;
    --accent-color: #0033cc;
    --danger-color: #cc0000;
    --safe-color: #008800;
    --demand-color: #ff8c00;
    --supply-color: #0033cc;
    --wind-color: #00ced1;
    --solar-color: #ffd700;
    --bess-color: #8a2be2;
    --danger-bg: rgba(204, 0, 0, 0.12);
}

body {
    font-family: Consolas, Monaco, 'Courier New', monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.2;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

#intro-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.98);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.intro-card {
    max-width: 500px;
    border: 1px solid var(--text-color);
    padding: 2rem;
    background: white;
}

.intro-card h2 {
    margin-top: 0;
    text-transform: uppercase;
    font-size: 1rem;
    border-bottom: 1px solid var(--text-color);
    padding-bottom: 0.5rem;
}

.intro-card p {
    font-size: 0.8rem;
    color: var(--sub-color);
    line-height: 1.4;
}

.intro-card ul {
    font-size: 0.75rem;
    color: var(--sub-color);
    padding-left: 1.2rem;
}

.intro-card li {
    margin-bottom: 0.5rem;
}

main {
    max-width: 1300px;
    width: 100%;
}

header {
    border-bottom: 1px solid var(--text-color);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

h1 {
    font-size: 1.1rem;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.map-container {
    user-select: none;
    margin-bottom: 2rem;
    width: 100%;
    display: flex;
    justify-content: center;
    border-bottom: 1px solid #eee;
    padding-bottom: 1rem;
    overflow-x: auto;
}

pre#ascii-map {
    margin: 0;
    font-size: 11px;
    line-height: 1.2;
    color: var(--text-color);
    letter-spacing: 1px;
}

.freq-hero {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    border: 1px solid var(--text-color);
    background: #fafafa;
    overflow: hidden;
}

#freq-hero-chart {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.15;
}

.freq-hero .label {
    position: relative;
    z-index: 2;
    font-size: 0.7rem;
    color: var(--sub-color);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.freq-hero .value {
    position: relative;
    z-index: 2;
    font-size: 2.5rem;
    font-weight: bold;
}

.asset-bar {
    display: flex;
    justify-content: center;
    gap: 2rem;
    font-size: 0.65rem;
    color: var(--sub-color);
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.plant {
    cursor: pointer;
    font-weight: bold;
    padding: 2px 6px;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.plant:hover {
    border-color: var(--text-color);
}

.plant.active {
    color: var(--accent-color);
    background-color: #f0f4ff;
    border-color: var(--accent-color);
}

.plant.off {
    color: #888;
    background-color: #fcfcfc;
    border: 1px dashed #ccc;
}

.bess-node {
    color: var(--bess-color);
    font-weight: bold;
}

.dashboard-grid {
    display: flex;
    gap: 3rem;
    align-items: flex-start;
}

.monitors-column {
    flex: 1.5;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.controls-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 2rem;
}

.monitor {
    border-top: 1px solid #eee;
    padding-top: 1rem;
}

.monitor-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--sub-color);
    margin-bottom: 0.8rem;
    display: flex;
    justify-content: space-between;
}

canvas {
    width: 100%;
    height: 110px;
    background: transparent;
    display: block;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    border: 1px solid #eee;
    background: #fff;
}

.stat-item.full-width {
    grid-column: span 2;
}

.label {
    font-size: 0.65rem;
    color: var(--sub-color);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.value {
    font-size: 1.1rem;
    font-weight: bold;
}

.hz-critical {
    color: var(--danger-color);
}

.hz-stable {
    color: var(--safe-color);
}

.bess-controls {
    border: 1px solid #eee;
    padding: 1rem;
    background: #fcfcfc;
}

.bess-btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.bess-btn {
    flex: 1;
    min-width: 80px;
    padding: 0.5rem;
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: bold;
    cursor: pointer;
    background: white;
    border: 1px solid var(--text-color);
    color: var(--text-color);
}

.bess-btn:hover {
    background: #f0f0f0;
}

.bess-btn.active-auto {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.bess-btn.active-charge {
    background: var(--safe-color);
    color: white;
    border-color: var(--safe-color);
}

.bess-btn.active-discharge {
    background: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

.settings-panel {
    font-size: 0.75rem;
    color: var(--sub-color);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.slider-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

input[type=range] {
    width: 100%;
    cursor: pointer;
    accent-color: var(--text-color);
}

#event-log {
    height: 100px;
    overflow-y: hidden;
    font-size: 0.75rem;
    color: #888;
    border-left: 2px solid #eee;
    padding-left: 1rem;
    margin-top: 1rem;
}

.main-btn {
    background: var(--text-color);
    border: none;
    color: var(--bg-color);
    font-family: inherit;
    padding: 1rem;
    cursor: pointer;
    width: 100%;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 2px;
}

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

a.back-link {
    color: var(--sub-color);
    text-decoration: none;
    font-size: 0.7rem;
    text-transform: uppercase;
    border: 1px solid #eee;
    padding: 4px 8px;
    transition: all 0.2s;
}

a.back-link:hover {
    color: var(--text-color);
    border-color: var(--text-color);
}

#game-status {
    font-size: 0.7rem;
    color: var(--sub-color);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
}

#bear-status {
    font-weight: normal;
    display: inline-block;
    color: var(--text-color);
    transition: all 0.2s;
}

@keyframes vibe {

    0%,
    100% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(-8px);
    }
}

.dancing {
    animation: vibe 1s infinite ease-in-out;
}

#bottom-line {
    width: 100%;
    height: 1px;
    background: #eee;
    margin-top: 2rem;
}

@media (max-width: 900px) {
    .dashboard-grid {
        flex-direction: column;
        gap: 2rem;
    }

    .monitors-column,
    .controls-column {
        width: 100%;
        position: static;
    }

    pre#ascii-map {
        font-size: 10px;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 600px) {
    pre#ascii-map {
        font-size: 8px;
    }

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

    .stat-item.full-width {
        grid-column: span 1;
    }
}