:root {
    --bg-dark: #0a0e27;
    --bg-secondary: #1a1f3a;
    --bg-card: #252b47;
    --accent-primary: #00ff88;
    --accent-secondary: #00d4ff;
    --text-primary: #ffffff;
    --text-secondary: #b0b8d4;
    --danger: #ff4757;
    --warning: #ffa502;
    --success: #26de81;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a0f2e 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    animation: bgPulse 10s ease-in-out infinite;
    z-index: -1;
}

@keyframes bgPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Navigation */
nav {
    background: rgba(26, 31, 58, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    border-bottom: 2px solid var(--accent-primary);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width 0.3s;
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* Buttons */
.btn {
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--bg-dark);
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 136, 0.4);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--accent-secondary);
}

.btn-secondary:hover {
    background: var(--accent-secondary);
    color: var(--bg-dark);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #ff3838;
    transform: translateY(-2px);
}

.btn-success {
    background: var(--success);
    color: white;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 255, 136, 0.1);
    transition: all 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 48px rgba(0, 255, 136, 0.2);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--bg-secondary);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Status badges */
.status-badge {
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
}

.status-running {
    background: rgba(38, 222, 129, 0.2);
    color: var(--success);
    border: 1px solid var(--success);
}

.status-stopped {
    background: rgba(255, 71, 87, 0.2);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.status-starting {
    background: rgba(255, 165, 2, 0.2);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.status-error {
    background: rgba(255, 71, 87, 0.2);
    color: var(--danger);
    border: 1px solid var(--danger);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.alert-error {
    background: rgba(255, 71, 87, 0.2);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-success {
    background: rgba(38, 222, 129, 0.2);
    border: 1px solid var(--success);
    color: var(--success);
}

/* Loading spinner */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid var(--accent-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }
    
    .container {
        padding: 1rem;
    }
}