:root {
    --bg-primary: #0a0f1d;
    --bg-card: #12192c;
    --border-color: #1e293b;
    --accent-blue: #00d2ff;
    --accent-green: #00e676;
    --accent-red: #ff3860;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-family);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background: rgba(18, 25, 44, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.badge-vpn {
    background: rgba(0, 230, 118, 0.15);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-public {
    background: rgba(0, 210, 255, 0.15);
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
}

main {
    flex: 1;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    width: 100%;
}

.hero-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.hero-card h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.hero-card p {
    color: var(--text-secondary);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #0d1322;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: #fff;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.btn-primary {
    width: 100%;
    padding: 0.85rem;
    background: linear-gradient(135deg, #00d2ff 0%, #0072ff 100%);
    border: none;
    border-radius: 6px;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.alert-box {
    padding: 1rem;
    border-radius: 6px;
    margin-top: 1rem;
    display: none;
    font-size: 0.95rem;
}

.alert-success {
    background: rgba(0, 230, 118, 0.15);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
}

.alert-danger {
    background: rgba(255, 56, 96, 0.15);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

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

th {
    background: #0d1322;
    color: var(--text-secondary);
}

footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}