:root {
    --primary: #1e293b;
    --secondary: #64748b;
    --accent: #3b82f6;
    --bg-light: #f8fafc;
    --text-dark: #0f172a;
    --text-light: #f1f5f9;
    --border: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

header {
    background-color: var(--primary);
    color: var(--text-light);
    padding: 1rem 2rem;
    border-bottom: 4px solid var(--accent);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    text-transform: uppercase;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

nav a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--accent);
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    min-height: 70vh;
}

footer {
    background-color: var(--primary);
    color: var(--secondary);
    padding: 3rem 2rem;
    margin-top: 4rem;
    font-size: 0.875rem;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    text-align: center;
}

h1, h2, h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.hero {
    background: white;
    padding: 4rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    margin-bottom: 2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-4px);
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    background: #ecfdf5;
    color: var(--success);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: white;
}

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

th {
    background-color: #f1f5f9;
    font-weight: 600;
    color: var(--primary);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: background 0.2s;
}

.btn:hover {
    background-color: #2563eb;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

input, textarea, select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
}