:root {
    --jk-blue: #003366;
    --jk-gold: #FF9933;
    --jk-gray: #4A4A4A;
    --primary-color: #003366;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --dark-color: #212529;
    --light-color: #f8f9fa;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
}

.sidebar {
    background: linear-gradient(180deg, #2c3e50 0%, #1a252f 100%);
    color: white;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
    min-height: calc(100vh - 56px);
}

.sidebar .nav-link {
    color: rgba(255,255,255,0.8);
    transition: all 0.3s;
    padding: 10px 15px;
    margin: 2px 0;
    border-radius: 5px;
}

.sidebar .nav-link:hover {
    background-color: rgba(255,255,255,0.1);
    color: white;
    transform: translateX(5px);
}

.sidebar .nav-link.active {
    background-color: var(--jk-blue);
    color: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.metric-card {
    background: white;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    border-left: 4px solid var(--primary-color);
    margin-bottom: 20px;
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.metric-card.safety-critical {
    border-left-color: var(--danger-color);
    animation: pulse 2s infinite;
}

.metric-card.safety-warning {
    border-left-color: var(--warning-color);
}

.metric-card.safety-ok {
    border-left-color: var(--success-color);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(220, 53, 69, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(220, 53, 69, 0);
    }
}

.parameter-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #ddd;
    outline: none;
    margin: 10px 0;
}

.parameter-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--jk-blue);
    cursor: pointer;
    transition: transform 0.2s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.parameter-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.parameter-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--jk-blue);
    cursor: pointer;
    border: none;
}

.table-responsive {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.table thead th {
    background-color: var(--dark-color);
    color: white;
    font-weight: 500;
    border: none;
}

.table tbody tr:hover {
    background-color: rgba(0, 51, 102, 0.05);
}

.alert {
    border-radius: 8px;
    border-left-width: 4px;
    margin-bottom: 10px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.alert-danger {
    border-left-color: var(--danger-color);
    background-color: rgba(220, 53, 69, 0.1);
}

.alert-warning {
    border-left-color: var(--warning-color);
    background-color: rgba(255, 193, 7, 0.1);
}

.alert-success {
    border-left-color: var(--success-color);
    background-color: rgba(25, 135, 84, 0.1);
}

.alert-info {
    border-left-color: var(--info-color);
    background-color: rgba(13, 202, 240, 0.1);
}

.btn {
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background-color: var(--jk-blue);
    border-color: var(--jk-blue);
}

.btn-primary:hover {
    background-color: #004080;
    border-color: #004080;
}

.progress {
    height: 10px;
    border-radius: 5px;
    overflow: hidden;
    margin: 10px 0;
}

.progress-bar {
    transition: width 0.5s ease;
}

.plant-schematic {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
}

.stage-value {
    font-size: 12px;
    font-weight: bold;
}

.toast-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    min-width: 250px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    padding: 15px;
    z-index: 9999;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    border-left: 4px solid var(--info-color);
}

.toast-notification.show {
    transform: translateX(0);
}

.toast-notification.toast-success {
    border-left-color: var(--success-color);
}

.toast-notification.toast-error {
    border-left-color: var(--danger-color);
}

.toast-notification.toast-warning {
    border-left-color: var(--warning-color);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast-content i {
    font-size: 1.2em;
}

.toast-success i {
    color: var(--success-color);
}

.toast-error i {
    color: var(--danger-color);
}

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

.spinner {
    border: 4px solid rgba(0,0,0,0.1);
    border-left-color: var(--jk-blue);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.safety-summary {
    font-size: 0.85rem;
    padding: 10px;
}

.safety-summary p {
    margin-bottom: 5px;
    padding: 3px;
    border-radius: 3px;
}

.safety-summary .text-danger {
    background-color: rgba(220, 53, 69, 0.2);
}

.safety-summary .text-warning {
    background-color: rgba(255, 193, 7, 0.2);
}

.safety-summary .text-success {
    background-color: rgba(25, 135, 84, 0.2);
}

#production-chart, #quality-gauge, #crusher-chart, 
#rawmill-chart, #kiln-chart, #cement-chart, #packing-chart {
    width: 100%;
    height: 300px;
}

@media (max-width: 768px) {
    .sidebar {
        min-height: auto;
    }
    
    .metric-card {
        margin-bottom: 15px;
    }
    
    .table-responsive {
        font-size: 0.9em;
    }
    
    .toast-notification {
        top: 10px;
        right: 10px;
        left: 10px;
        width: auto;
    }
}

@media print {
    .sidebar,
    .btn,
    .parameter-slider,
    .toast-notification {
        display: none !important;
    }
    
    .col-md-10 {
        width: 100% !important;
        margin-left: 0 !important;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

.bg-jk-blue {
    background-color: var(--jk-blue) !important;
}

.bg-jk-gold {
    background-color: var(--jk-gold) !important;
}

.text-jk-blue {
    color: var(--jk-blue) !important;
}

.text-jk-gold {
    color: var(--jk-gold) !important;
}

.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    border-radius: 6px;
    padding: 5px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity 0.3s;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

.form-range:focus::-webkit-slider-thumb {
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.25);
}

.form-select:focus {
    border-color: var(--jk-blue);
    box-shadow: 0 0 0 0.25rem rgba(0, 51, 102, 0.25);
}

.badge.bg-jk-blue {
    background-color: var(--jk-blue);
    color: white;
}

.badge.bg-jk-gold {
    background-color: var(--jk-gold);
    color: var(--dark-color);
}

.footer {
    margin-top: auto;
    padding: 1rem;
    background-color: var(--light-color);
    border-top: 1px solid #dee2e6;
}