:root {
    --bg-color: #0a0c10;
    --panel-bg: #131722;
    --accent-green: #00ff88;
    --accent-blue: #00bfff;
    --text-main: #f5f6f9;
    --text-muted: #626d7a;
    --border-color: #222938;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, sans-serif;
}
body {
    background-color: var(--bg-color);
    background-image: 
        linear-gradient(rgba(34, 41, 56, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 41, 56, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 20px;
}
header, main {
    position: relative;
    z-index: 2;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    border-bottom: 1px solid var(--border-color);
}
.logo {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: 1px;
    color: var(--accent-blue);
}
.status-badge {
    background: rgba(0, 255, 136, 0.1);
    color: var(--accent-green);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(0, 255, 136, 0.2);
}
main {
    max-width: 1200px;
    width: 100%;
    margin: 40px auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
@media (max-width: 768px) {
    main { grid-template-columns: 1fr; }
}
.hero h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
    font-weight: 700;
}
.hero h1 span {
    color: var(--accent-green);
}
.hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.6;
}
.dashboard-preview {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}
.panel-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
}
.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}
.metric-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: 8px;
}
.metric-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}
.metric-value {
    font-size: 1.6rem;
    font-weight: bold;
    font-family: monospace;
}
.chart-container {
    height: 120px;
    display: flex;
    align-items: flex-end;
    gap: 4px;
    padding-top: 10px;
    border-bottom: 1px dashed var(--border-color);
}
.chart-bar {
    flex: 1;
    background: linear-gradient(to top, rgba(0, 191, 255, 0.2), var(--accent-blue));
    border-radius: 2px 2px 0 0;
}
.subscribe-form {
    display: flex;
    gap: 10px;
    max-width: 450px;
}
.subscribe-form input {
    flex: 1;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: 6px;
    color: #fff;
}
.subscribe-form button {
    background: var(--accent-blue);
    color: #000;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
}
footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 20px;
    border-top: 1px solid var(--border-color);
}