:root {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --primary-color: #58a6ff;
    --secondary-color: #1f6feb;
    --accent-color: #8b949e;
    --card-bg: #161b22;
    --border-color: #30363d;
    --success-color: #2ea043;
    --danger-color: #da3633;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    padding: 0;
    margin: 0;
    align-items: center;
}

nav a {
    color: var(--text-color);
    font-weight: 500;
    text-decoration: none;
}

nav a:hover {
    color: #fff;
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    min-height: 80vh;
}

.hero {
    text-align: center;
    padding: 4rem 1rem;
}

.hero h1 {
    font-size: 3.5rem;
    background: linear-gradient(90deg, #58a6ff, #d2a8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--accent-color);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #1158c7;
    text-decoration: none;
}

.code-block {
    background-color: #0d1117;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.5rem;
    font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
    overflow-x: auto;
    text-align: left;
    max-width: 800px;
    margin: 0 auto;
    color: #e6edf3;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2rem;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.card h3 {
    margin-top: 0;
    color: #fff;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.plan-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
}

.plan-card.featured {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(88, 166, 255, 0.1);
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: #fff;
    margin: 1rem 0;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    flex-grow: 1;
}

.plan-features li {
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

/* Dashboard & Admin */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    color: var(--accent-color);
    font-weight: 600;
}

.badge {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
}

.badge-success { background-color: rgba(46, 160, 67, 0.15); color: #3fb950; }
.badge-danger { background-color: rgba(218, 54, 51, 0.15); color: #f85149; }

footer {
    text-align: center;
    padding: 2rem;
    color: var(--accent-color);
    font-size: 0.875rem;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}