/* === NEON FUTURE VARIABLES === */
:root {
    --primary: #00f5ff;
    --secondary: #ff2a6d;
    --accent: #05d9e8;
    --danger: #ff2a6d;
    --warning: #ffcc00;
    --safe: #00ff9d;
    --purple: #9d4edd;
    --bg-dark: #0a0a1f;
    --bg-darker: #050510;
    --bg-grid: #0f0f2a;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --neon-glow: 0 0 10px currentColor, 0 0 20px currentColor;
    --neon-glow-strong: 0 0 15px currentColor, 0 0 30px currentColor, 0 0 45px currentColor;
}

/* === BASE STYLES & ANIMATIONS === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--bg-darker);
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Animated Grid Background */
.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(rgba(15, 15, 42, 0.9) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 15, 42, 0.9) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
    z-index: -2;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

/* Radar Sweep Effect */
.radar-sweep {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: conic-gradient(from 0deg, transparent, rgba(0, 245, 255, 0.1), transparent);
    animation: radarSweep 4s linear infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes radarSweep {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* === LAYOUT CONTAINER === */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* === HEADER STYLES === */
.main-header {
    margin-bottom: 20px;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 20px 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    position: relative;
    font-size: 2.5rem;
    color: var(--primary);
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        width: 60px;
        height: 60px;
        opacity: 1;
    }

    100% {
        width: 80px;
        height: 80px;
        opacity: 0;
    }
}

.logo-text h1 {
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 1.8rem;
    background: linear-gradient(45deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
}

.subtitle {
    color: var(--accent);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.system-health {
    display: flex;
    gap: 30px;
}

.health-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.health-label {
    color: #a0a0a0;
    font-size: 0.8rem;
    margin-bottom: 5px;
}

.health-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.online {
    background: var(--safe);
    box-shadow: var(--neon-glow);
    animation: blink 2s infinite;
}

.health-value {
    font-family: 'Orbitron', monospace;
    color: var(--primary);
    font-weight: 600;
}

/* === ALERTS BAR === */
.alerts-bar {
    background: rgba(255, 42, 109, 0.1);
    border: 1px solid var(--danger);
    border-radius: 10px;
    padding: 12px 20px;
    margin-bottom: 20px;
    display: none;
    animation: alertPulse 2s infinite;
}

.alerts-bar.active {
    display: block;
}

@keyframes alertPulse {

    0%,
    100% {
        box-shadow: 0 0 10px rgba(255, 42, 109, 0.3);
    }

    50% {
        box-shadow: 0 0 20px rgba(255, 42, 109, 0.6);
    }
}

.alert-content {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--danger);
    font-weight: 600;
}

/* === DASHBOARD GRID === */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 20px;
    margin-bottom: 20px;
}

/* === SENSOR CARDS === */
.sensor-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 20px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.sensor-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.temp-card {
    border-left: 4px solid var(--primary);
}

.gas-card {
    border-left: 4px solid var(--secondary);
}

.analytics-card {
    grid-column: 1 / -1;
    border-left: 4px solid var(--accent);
}

.log-card {
    grid-column: 1 / -1;
    border-left: 4px solid var(--purple);
}

/* Card Header */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--glass-border);
}

.sensor-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.sensor-icon {
    font-size: 2rem;
    color: var(--primary);
}

.sensor-details h2 {
    font-family: 'Orbitron', monospace;
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 5px;
}

.sensor-details p {
    color: #a0a0a0;
    font-size: 0.9rem;
}

.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(0, 255, 157, 0.1);
    border: 1px solid var(--safe);
    color: var(--safe);
}

/* Value Display */
.value-grid {
    display: flex;
    gap: 30px;
    margin-bottom: 20px;
}

.primary-value,
.secondary-value {
    flex: 1;
}

.primary-value.large {
    flex: 2;
}

.value-container {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 5px;
}

.value-number {
    font-family: 'Orbitron', monospace;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: var(--neon-glow);
}

.value-unit {
    font-size: 1.5rem;
    color: var(--accent);
}

.value-label {
    color: #a0a0a0;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Trend Indicators */
.trend-indicators {
    display: flex;
    gap: 30px;
}

.trend-item {
    display: flex;
    flex-direction: column;
}

.trend-label {
    color: #a0a0a0;
    font-size: 0.8rem;
    margin-bottom: 5px;
}

.trend-value {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--safe);
    font-weight: 600;
}

/* Gas Meter */
.gas-meter {
    margin: 20px 0;
}

.meter-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.8rem;
    color: #a0a0a0;
}

.meter-track {
    position: relative;
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.meter-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--safe), var(--warning), var(--danger));
    width: 0%;
    transition: width 0.6s ease;
    position: relative;
}

.meter-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

.meter-thresholds {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.threshold {
    position: absolute;
    top: 0;
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.5);
}

/* Safety Indicators */
.safety-indicators {
    display: flex;
    justify-content: space-around;
    margin-top: 20px;
}

.safety-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px;
    border-radius: 10px;
    transition: all 0.3s ease;
    opacity: 0.5;
}

.safety-item.active {
    opacity: 1;
    background: rgba(0, 255, 157, 0.1);
    border: 1px solid var(--safe);
}

.safety-item[data-level="warning"].active {
    background: rgba(255, 204, 0, 0.1);
    border: 1px solid var(--warning);
}

.safety-item[data-level="danger"].active {
    background: rgba(255, 42, 109, 0.1);
    border: 1px solid var(--danger);
}

/* Chart Containers */
.chart-container {
    display: none;
    height: 300px;
}

.chart-container.active {
    display: block;
}

/* Control Buttons */
.chart-controls,
.log-controls {
    display: flex;
    gap: 10px;
}

.control-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    color: #fff;
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
}

.control-btn:hover,
.control-btn.active {
    background: var(--primary);
    color: #000;
    border-color: var(--primary);
}

.log-filter {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    color: #fff;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
}

/* Stats Panel */
.stats-panel,
.log-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--glass-border);
}

.stat-item,
.log-stat {
    text-align: center;
}

.stat-label {
    display: block;
    color: #a0a0a0;
    font-size: 0.8rem;
    margin-bottom: 5px;
}

.stat-value,
.stat-count {
    font-family: 'Orbitron', monospace;
    color: var(--primary);
    font-weight: 600;
    font-size: 1.1rem;
}

/* Log Entries */
.log-entries {
    height: 150px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
}

.log-entry {
    display: flex;
    gap: 15px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.log-time {
    color: var(--accent);
    min-width: 70px;
    font-weight: 600;
}

.log-message {
    flex: 1;
    color: #fff;
}

.log-timestamp {
    color: #a0a0a0;
    min-width: 60px;
    text-align: right;
}

.log-entry.system .log-time {
    color: var(--accent);
}

.log-entry.alert .log-time {
    color: var(--warning);
}

.log-entry.danger .log-time {
    color: var(--danger);
}

.log-entry.sensor .log-time {
    color: var(--primary);
}

/* Footer */
.main-footer {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 15px 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tech-info {
    color: #a0a0a0;
    font-size: 0.9rem;
}

.update-info {
    font-family: 'Orbitron', monospace;
    color: var(--primary);
    font-size: 0.9rem;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .header-top {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .system-health {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .value-grid {
        flex-direction: column;
        gap: 15px;
    }

    .value-number {
        font-size: 2.5rem;
    }

    .trend-indicators {
        flex-direction: column;
        gap: 15px;
    }

    .chart-controls,
    .log-controls {
        flex-wrap: wrap;
    }

    .footer-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}