:root {
    --bg-color: #050508;
    --accent-color: #4ade80;
    --accent-glow: rgba(74, 222, 128, 0.4);
    --warn-color: #facc15;
    --error-color: #f87171;
    --panel-bg: rgba(255, 255, 255, 0.03);
    --panel-border: rgba(74, 222, 128, 0.2);
    --text-primary: #e0e0e0;
    --text-dim: rgba(224, 224, 224, 0.5);
    --font-mono: 'Courier New', monospace;
}

* {
    box-sizing: border-box;
}

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    overflow-x: hidden;
}

#star-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.scanlines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        rgba(18, 16, 16, 0) 50%,
        rgba(0, 0, 0, 0.25) 50%
    ), linear-gradient(
        90deg,
        rgba(255, 0, 0, 0.06),
        rgba(0, 255, 0, 0.02),
        rgba(0, 0, 255, 0.06)
    );
    background-size: 100% 2px, 3px 100%;
    z-index: 10;
    pointer-events: none;
    opacity: 0.3;
}

.overlay {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

/* Header Section */
header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.logo h1 {
    font-size: 3.5rem;
    letter-spacing: 1rem;
    margin: 0;
    text-transform: uppercase;
    background: linear-gradient(to bottom, #fff, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 15px var(--accent-glow));
}

.system-status {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--panel-border);
    background: var(--panel-bg);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-color);
    animation: pulse 2s infinite;
}

.status-text {
    font-size: 0.8rem;
    letter-spacing: 0.1rem;
    color: var(--accent-color);
    text-transform: uppercase;
}

/* Dashboard Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    flex-grow: 1;
}

.panel {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    padding: 1.25rem;
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
}

.panel h2 {
    font-size: 0.9rem;
    color: var(--accent-color);
    margin: 0 0 1rem 0;
    letter-spacing: 0.15rem;
    text-transform: uppercase;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 0.5rem;
}

/* Panel Specific Styles */
.data-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.75rem;
}

.data-item {
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-left: 2px solid var(--panel-border);
    padding-left: 0.75rem;
}

.data-label {
    color: var(--text-dim);
}

.data-value {
    color: var(--text-primary);
    text-align: right;
}

.news-item {
    margin-bottom: 1rem;
}

.news-title {
    color: var(--accent-color);
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.news-summary {
    font-size: 0.7rem;
    color: var(--text-dim);
    line-height: 1.4;
}

.heartbeat-container {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.node-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.4rem;
    background: rgba(255, 255, 255, 0.02);
}

.node-led {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-color);
}

.node-led.off { background: #444; }
.node-led.warn { background: var(--warn-color); }

/* Footer Identity */
footer {
    margin-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.65rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1rem;
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.1); }
    100% { opacity: 1; transform: scale(1); }
}

/* Animations */
.blink {
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}