:root {
    --bg-base: #050508;
    --panel-bg: rgba(15, 20, 30, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #f8fafc;
    --text-muted: #64748b;
    --accent-glow: #38bdf8;
    --accent-color: #0ea5e9;
    --error-color: #ef4444;
    --success-color: #10b981;
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-image: radial-gradient(circle at 50% -20%, rgba(14, 165, 233, 0.15) 0%, transparent 60%);
}

.grid-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-size: 40px 40px;
    background-image: linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    z-index: -1;
    transform: perspective(500px) rotateX(20deg);
    transform-origin: top;
    opacity: 0.6;
}

.container {
    width: 100%;
    max-width: 900px;
    padding: 2rem;
    position: relative;
    z-index: 10;
}

.header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

.header h1 {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    background: linear-gradient(90deg, #fff, var(--accent-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(14, 165, 233, 0.4);
}

.header p {
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-item {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 1.2rem 1.5rem;
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.info-item::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    opacity: 0.3;
}

.info-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.8rem;
}

.info-value {
    font-size: 1.35rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent-glow);
    box-shadow: 0 0 12px var(--accent-glow);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(56, 189, 248, 0); }
    100% { box-shadow: 0 0 0 0 rgba(56, 189, 248, 0); }
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.metric-card {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 1.5rem 1rem;
    border-radius: 14px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    border-radius: 14px;
    box-shadow: inset 0 0 0 1px var(--accent-color);
    opacity: 0;
    transition: opacity 0.3s;
}

.metric-card.active {
    transform: translateY(-5px);
    background: rgba(14, 165, 233, 0.05);
}

.metric-card.active::before {
    opacity: 1;
    box-shadow: inset 0 0 0 2px var(--accent-color), 0 0 20px rgba(14, 165, 233, 0.2);
}

.metric-val {
    font-size: 2.8rem;
    font-weight: 700;
    margin: 0.5rem 0;
    color: var(--text-main);
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.metric-unit {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.chart-container {
    height: 50px;
    width: 100%;
    margin-top: 1rem;
    display: flex;
    align-items: flex-end;
    gap: 3px;
    opacity: 0.7;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(to top, var(--accent-color), var(--accent-glow));
    border-radius: 2px 2px 0 0;
    height: 0%;
    transition: height 0.1s ease;
    box-shadow: 0 0 5px var(--accent-glow);
}

.action-area {
    text-align: center;
}

.cyber-btn {
    background: rgba(14, 165, 233, 0.1);
    color: var(--text-main);
    border: 1px solid var(--accent-color);
    padding: 1.2rem 3.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.2), inset 0 0 10px rgba(14, 165, 233, 0.1);
}

.cyber-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.cyber-btn:hover {
    background: var(--accent-color);
    box-shadow: 0 0 30px rgba(14, 165, 233, 0.6);
    transform: translateY(-2px);
}

.cyber-btn:hover::before {
    left: 100%;
}

.cyber-btn:disabled {
    border-color: var(--border-color);
    color: var(--text-muted);
    box-shadow: none;
    cursor: not-allowed;
    background: rgba(0,0,0,0.3);
    transform: none;
}

.system-logs {
    margin-top: 2rem;
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    height: 90px;
    overflow: hidden;
    text-align: left;
    background: rgba(0, 0, 0, 0.6);
    padding: 12px 15px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    position: relative;
}

.system-logs::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--accent-color);
}

.log-entry { margin-bottom: 6px; letter-spacing: 0.5px; opacity: 0; animation: fadeInLog 0.3s forwards; }

@keyframes fadeInLog {
    to { opacity: 1; }
}

.error-modal {
    display: none;
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(15, 20, 30, 0.95);
    border: 1px solid rgba(239, 68, 68, 0.4);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    z-index: 100;
    width: 85%;
    max-width: 450px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 0 2000px rgba(0,0,0,0.6);
    backdrop-filter: blur(15px);
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
    0% { transform: translate(-50%, -40%) scale(0.9); opacity: 0; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

.error-modal h2 { 
    color: var(--error-color); 
    margin-bottom: 1rem; 
    text-transform: uppercase; 
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.error-modal h2::before {
    content: '⚠';
    font-size: 1.5rem;
}

.radar {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 700px; height: 700px;
    border-radius: 50%;
    border: 1px solid rgba(14, 165, 233, 0.05);
    z-index: -1;
    pointer-events: none;
    display: none;
}

.radar::before, .radar::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.radar::before {
    width: 100%; height: 100%;
    background: conic-gradient(from 0deg, transparent 70%, rgba(14, 165, 233, 0.15) 100%);
    animation: radarRotate 3s linear infinite;
}

.radar::after {
    width: 50%; height: 50%;
    box-shadow: 0 0 40px rgba(14, 165, 233, 0.1);
    animation: pulseBg 2s ease-in-out infinite alternate;
}

@keyframes radarRotate {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes pulseBg {
    0% { width: 40%; height: 40%; opacity: 0.5; }
    100% { width: 60%; height: 60%; opacity: 1; }
}

@media (max-width: 768px) {
    .info-grid { grid-template-columns: 1fr; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .container { padding: 1rem; }
    .header h1 { font-size: 2rem; }
    .glass-panel { padding: 1.5rem; }
}