@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;700&display=swap');
:root {
    --background-gradient-start: #b0b0b0;
    --background-gradient-end: #092337;
    --card-background-color: rgba(44, 62, 80, 0.6);
    --card-border-color: rgba(52, 152, 219, 0.4);
    --text-color: #ecf0f1;
    --text-secondary-color: #bdc3c7;
    --accent-temp: #e67e22;
    --accent-safety: #f1c40f;
    --accent-production: #3498db;
    --accent-electrical: #7dff8e;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --font-family: 'Vazirmatn', sans-serif;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, var(--background-gradient-start), var(--background-gradient-end));
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

.main-content {
    width: 100%;
    max-width: 1600px;
}

/* --- MODIFIED HEADER --- */
.header {
    background-color: var(--card-background-color);
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    text-align: center;
    border: 1px solid var(--card-border-color);
    backdrop-filter: blur(10px);
}

    .header h1 {
        margin: 0 0 5px 0;
        font-size: 1.8em;
    }

    .header #lastUpdate {
        font-size: 0.9em;
        color: var(--text-secondary-color);
    }
/* --- END MODIFIED HEADER --- */

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.card {
    background-color: var(--card-background-color);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--card-border-color);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
    }

.card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--card-border-color);
}

.card[data-category="temperature"] .card-icon {
    color: var(--accent-temp);
}

.card[data-category="safety"] .card-icon {
    color: var(--accent-safety);
}

.card[data-category="production"] .card-icon {
    color: var(--accent-production);
}

.card[data-category="electrical"] .card-icon {
    color: var(--accent-electrical);
}

.card-header .card-icon {
    font-size: 2em;
}

.card-title {
    font-size: 1.3em;
    font-weight: bold;
}

.sensor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
}

.sensor-item {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    border-bottom: 4px solid var(--sensor-color);
    transition: background-color 0.3s;
}

.value-update-normal {
    animation: flash-green 0.7s ease;
}

.value-update-warning {
    animation: flash-yellow 0.7s ease;
}

.value-update-danger {
    animation: flash-red 0.7s ease;
}

@keyframes flash-green {
    0%, 100% {
        background-color: rgba(0,0,0,0.2);
    }

    50% {
        background-color: rgba(46, 204, 113, 0.3);
    }
}

@keyframes flash-yellow {
    0%, 100% {
        background-color: rgba(0,0,0,0.2);
    }

    50% {
        background-color: rgba(243, 156, 18, 0.3);
    }
}

@keyframes flash-red {
    0%, 100% {
        background-color: rgba(0,0,0,0.2);
    }

    50% {
        background-color: rgba(231, 76, 60, 0.3);
    }
}

.sensor-value {
    font-size: 1.8em;
    font-weight: bold;
    margin: 5px 0;
}

.sensor-name {
    font-size: 0.9em;
    color: var(--text-secondary-color);
}

.sensor-unit {
    font-size: 0.8em;
    color: #95a5a6;
}

.danger {
    color: var(--danger-color);
}

.warning {
    color: var(--warning-color);
}

.normal {
    color: var(--success-color);
}

.warning-lights {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.light-indicator {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #34495e;
    transition: background-color 0.3s, box-shadow 0.3s;
}

    .light-indicator.warning-on {
        background-color: var(--warning-color);
        box-shadow: 0 0 25px var(--warning-color);
        animation: pulse 2s infinite;
    }

    .light-indicator.alarm-on {
        background-color: var(--danger-color);
        box-shadow: 0 0 25px var(--danger-color);
        animation: pulse 1s infinite;
    }

@keyframes pulse {
    0% {
        transform: scale(0.95);
    }

    70% {
        transform: scale(1);
    }

    100% {
        transform: scale(0.95);
    }
}

.factory-layout {
    grid-column: 1 / -1;
}

.layout-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

/* --- NEW CHART STYLES --- */
.chart-container {
    min-height: 250px;
    margin-top: 20px;
}

.gauge-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.gauge {
    position: relative;
    width: 120px;
    height: 120px;
}

.gauge-label {
    text-align: center;
    margin-top: 5px;
    font-size: 0.9em;
    color: var(--text-secondary-color);
}

.gauge-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5em;
    font-weight: bold;
}
/* --- END NEW CHART STYLES --- */

.timestamp {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary-color);
}

.warning-light {
    background-color: var(--card-background-color);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid var(--card-border-color);
    backdrop-filter: blur(10px);
}

.light-label {
    font-weight: bold;
    margin: 15px 0;
}

.warning-messages, .alarm-messages {
    width: 100%;
    text-align: center;
    color: var(--text-secondary-color);
}

.message-item {
    background-color: rgba(0,0,0,0.3);
    padding: 8px;
    border-radius: 5px;
    margin-top: 5px;
}

.area-section {
    background-color: rgba(0,0,0,0.2);
    border: 1px solid var(--card-border-color);
    border-radius: 8px;
    padding: 15px;
}

.area-title {
    font-weight: bold;
    font-size: 1.1em;
    margin-bottom: 10px;
    border-bottom: 2px solid #3498db;
    padding-bottom: 5px;
}

.area-sensors {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.area-sensor {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px;
    border-radius: 5px;
    background-color: rgba(0,0,0,0.2);
    border-left: 3px solid var(--sensor-color);
}