:root {
    --bg-dark: #0a0e14;
    --card-bg: rgba(16, 23, 33, 0.8);
    --primary: #00d4ff;
    --accent: #ff0055;
    --text: #e0e6ed;
    --success: #00ff88;
    --warning: #ffcc00;
    --border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.bg-glow {
    position: fixed;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.05), transparent 70%);
    z-index: -1;
}

header {
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(90deg, var(--primary), var(--text));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

main {
    padding: 3rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

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

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    transition: transform 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.card h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.status-badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-active { background: rgba(0, 255, 136, 0.1); color: var(--success); border: 1px solid var(--success); }
.status-inactive { background: rgba(255, 0, 85, 0.1); color: var(--accent); border: 1px solid var(--accent); }

.kill-switch-btn {
    width: 100%;
    padding: 1.5rem;
    border-radius: 12px;
    border: none;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-on { background: var(--accent); color: white; box-shadow: 0 0 20px rgba(255, 0, 85, 0.4); }
.btn-off { background: var(--success); color: white; box-shadow: 0 0 20px rgba(0, 255, 136, 0.4); }

.list-container {
    max-height: 300px;
    overflow-y: auto;
    margin-top: 1rem;
}

.list-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

input[type="text"] {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: white;
    margin-bottom: 1rem;
}

button.add-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--primary);
    color: var(--bg-dark);
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
}

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

.live-indicator {
    width: 10px;
    height: 10px;
    background: var(--success);
    border-radius: 50%;
    display: inline-block;
    margin-right: 5px;
    animation: pulse 2s infinite;
}