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

:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-card: #2a2a2a;
    --bg-input: #333333;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #888888;
    --accent-primary: #3b82f6;
    --accent-hover: #2563eb;
    --accent-secondary: #64748b;
    --border-color: #404040;
    --success-bg: #1e3a2c;
    --success-text: #10b981;
    --error-bg: #3a1e1e;
    --error-text: #ef4444;
    --warning-bg: #3a2e1e;
    --warning-text: #f59e0b;
    --gradient-primary: linear-gradient(135deg, #3b82f6, #1e40af);
    --gradient-card: linear-gradient(145deg, #2a2a2a, #1f1f1f);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.05) 0%, transparent 20%);
    min-height: 100vh;
}

.navbar {
    background-color: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.1);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-links a:hover::after {
    width: 80%;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.header h1 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.alert {
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    border-radius: 12px;
    background-color: var(--error-bg);
    color: var(--error-text);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--error-text);
}

.alert.error {
    background-color: var(--error-bg);
    color: var(--error-text);
    border-left-color: var(--error-text);
}

.server-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.server-card {
    background: var(--gradient-card);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.server-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.server-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.6);
}

.server-card.disabled {
    opacity: 0.6;
}

.server-card.disabled::before {
    background: var(--text-muted);
}

.server-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.status {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.status.enabled {
    background-color: var(--success-bg);
    color: var(--success-text);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status.disabled {
    background-color: var(--error-bg);
    color: var(--error-text);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -5px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: var(--accent-secondary);
}

.btn-secondary:hover {
    background: var(--text-muted);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.btn-danger {
    background: #dc2626;
}

.btn-danger:hover {
    background: #b91c1c;
}

.btn.disabled {
    background: var(--text-muted);
    color: var(--bg-secondary);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn.disabled:hover {
    transform: none;
    box-shadow: none;
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--gradient-card);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.login-form {
    max-width: 440px;
    margin: 3rem auto;
    background: var(--gradient-card);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.login-form h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
    font-size: 1.75rem;
    font-weight: 700;
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--bg-input);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    font-family: 'Fira Code', 'Courier New', monospace;
    resize: vertical;
    min-height: 120px;
}

.form-group small {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: block;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.checkbox input {
    width: 18px;
    height: 18px;
    margin: 0;
}

.checkbox label {
    margin-bottom: 0;
    cursor: pointer;
}

.admin-panel {
    display: grid;
    gap: 3rem;
}

.admin-actions {
    text-align: right;
}

.create-form {
    background: var(--gradient-card);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.create-form h2 {
    color: var(--text-primary);
    margin-bottom: 2rem;
    font-size: 1.75rem;
    font-weight: 700;
}

.server-list h2 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
    font-weight: 700;
}

.server-table {
    background: var(--gradient-card);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.table-header {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(59, 130, 246, 0.1);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
}

.table-row {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 1rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    transition: background-color 0.3s ease;
}

.table-row:hover {
    background: rgba(59, 130, 246, 0.05);
}

.table-row:last-child {
    border-bottom: none;
}

.table-cell strong {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.table-cell small {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.page-content {
    background: var(--gradient-card);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.default-content {
    text-align: center;
    color: var(--text-secondary);
    padding: 3rem 2rem;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

select {
    background-color: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 8px;
    font-size: 1rem;
}

@media (max-width: 768px) {
    .server-grid {
        grid-template-columns: 1fr;
    }
    
    .table-header,
    .table-row {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }
    
    .actions {
        justify-content: center;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .login-form,
    .create-form {
        padding: 2rem;
        margin: 2rem auto;
    }

    .form-control {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--bg-input);
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.status.degraded {
    background-color: var(--warning-bg);
    color: var(--warning-text);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-actions {
    margin-bottom: 0.75rem;
}

.status-buttons {
    display: flex;
    gap: 0.25rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.status-buttons .btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
}

.status-buttons .btn-small.active {
    background: var(--accent-primary);
    border: 1px solid var(--accent-primary);
}

.management-actions {
    display: flex;
    gap: 0.5rem;
}

@media (max-width: 768px) {
    .status-buttons {
        justify-content: center;
    }
    
    .management-actions {
        justify-content: center;
    }
    
    .table-cell .actions {
        text-align: center;
    }
}
}