:root {
    --primary-color: #1f5c4d;
    --primary-light: #3e7864;
    --bg-color: #f4f6f7;
    --card-bg: #ffffff;
    --text-color: #333;
    --text-muted: #7f8c8d;
    --border-color: #e0e0e0;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #c0392b;
    --nav-shadow: rgba(0, 0, 0, 0.1);
    --transition-speed: 0.3s;
    --nav-footer-text: #ffffff;
    --section-title-color: #1f5c4d;
    --card-param-name: #1f5c4d;
    --accent-link-color: #1f5c4d;
}


[data-theme="dark"] {
    --primary-color: #1d3b30;
    --primary-light: #3ab089;
    --bg-color: #121416;
    --card-bg: #1b1e22;
    --text-color: #e1e4e8;
    --text-muted: #959da5;
    --border-color: #2f363d;
    --nav-shadow: rgba(0, 0, 0, 0.6);
    --nav-footer-text: #ffffff;
    --section-title-color: #e1e4e8;
    --card-param-name: #3ab089;
    --accent-link-color: #3ab089;
    --accen-color: #;
}

html {
    scroll-behavior: smooth;
}

body {
    padding-top: 50px;
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.main-content {
    margin-top: 40px;
    margin-bottom: 60px;
}

.custom-nav {
    background-color: var(--primary-color);
    box-shadow: 0 2px 10px var(--nav-shadow);
    transition: background-color var(--transition-speed);
}

.brand-block {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-block span {
    color: var(--nav-footer-text);
}


.nav-custom .nav-link {
    color: var(--nav-footer-text) !important;
    font-weight: 500;
    font-weight: 500;
    transition: color 0.2s;
}

.brand-logo {
    width: 32px;
    height: 32px;
    border-radius: 4px;
}

    .nav-custom .nav-link:hover {
        color: #cdeee5 !important;
    }

.hero-section {
    background: linear-gradient(135deg, #004d32, var(--primary-light));
    color: white;
    padding: 80px 0;
    text-align: center;
    margin-bottom: 2rem;
    transition: background 0.3s;
}

[data-theme="dark"] .hero-section {
    background: linear-gradient(135deg, #0f241a, #163628);
}

.hero-section h1 {
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.section-title {
    color: var(--section-title-color); 
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 8px;
    margin-bottom: 25px;
    margin-top: 40px;
}

.table-custom {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-radius: 8px;
    overflow: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

    .table-custom thead {
        background-color: var(--primary-color);
        color: white;
    }

    .table-custom td, .table-custom th {
        vertical-align: middle;
        border-color: var(--border-color);
    }

[data-theme="dark"] .table {
    --bs-table-bg: var(--card-bg);
    --bs-table-color: var(--text-color);
    --bs-table-border-color: var(--border-color);
    --bs-table-striped-bg: rgba(255, 255, 255, 0.02);
    --bs-table-striped-color: var(--text-color);
    --bs-table-hover-bg: rgba(255, 255, 255, 0.05);
    --bs-table-hover-color: var(--text-color);
}

[data-theme="dark"] .table-dark {
    --bs-table-bg: var(--primary-color);
    --bs-table-color: #fff;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

    .btn-primary:hover, .btn-primary:focus {
        background-color: var(--primary-light);
        border-color: var(--primary-light);
        color: #fff;
    }

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

    .btn-outline-primary:hover, .btn-outline-primary:focus {
        background-color: var(--primary-color);
        color: #fff;
        border-color: var(--primary-color);
    }

.controls-panel {
    background: var(--card-bg) !important;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(5px);
}

.card-monitor {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s, background-color 0.3s;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--border-color);
}

    .card-monitor:hover {
        transform: translateY(-8px);
        box-shadow: 0 12px 25px rgba(0,0,0,0.12);
    }

    .card-monitor h5 {
        color: var(--card-param-name); 
        font-size: 1.1rem;
        margin-bottom: 15px;
        font-weight: bold;
    }

.big-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-color);
}

.unit {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-left: 5px;
}

.status-indicator {
    font-size: 0.9rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 20px;
    display: inline-block;
    margin-top: 10px;
}

.status-normal {
    background-color: rgba(39, 174, 96, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.status-warning {
    background-color: rgba(243, 156, 18, 0.1);
    color: var(--warning-color);
    border: 1px solid var(--warning-color);
}

.status-danger {
    background-color: rgba(192, 57, 43, 0.1);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
    animation: pulse-red 1.5s infinite;
}

.card-danger {
    border: 2px solid var(--danger-color) !important;
}

.card-warning {
    border: 2px solid var(--warning-color) !important;
}

@keyframes pulse-red {
    0% {
        box-shadow: 0 0 0 0 rgba(192, 57, 43, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(192, 57, 43, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(192, 57, 43, 0);
    }
}

.chart-wrapper {
    position: relative;
    height: 250px;
    width: 100%;
    margin-top: 15px;
}

.chart-wrapper-large {
    position: relative;
    height: 350px;
    width: 100%;
}

.modal-content {
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.modal-header, .modal-footer {
    border-color: var(--border-color);
}

.form-control {
    background-color: var(--bg-color);
    color: var(--text-color);
    border-color: var(--border-color);
}

    .form-control:focus {
        background-color: var(--bg-color);
        color: var(--text-color);
        border-color: var(--primary-color);
        box-shadow: 0 0 0 0.25rem rgba(43, 147, 112, 0.25);
    }

[data-theme="dark"] .form-control {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.65);
    justify-content: center;
    align-items: center;
    z-index: 5000;
}

.modal-window {
    width: 360px;
    background: #2b2b2b;
    color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 10px;
}

#modalIcon {
    font-size: 22px;
}

.modal-buttons {
    margin-top: 20px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

#confirmYes {
    background: #00bcd4;
    border: none;
    padding: 8px 18px;
    border-radius: 6px;
    color: white;
    cursor: pointer;
}

#confirmNo {
    background: #555;
    border: none;
    padding: 8px 18px;
    border-radius: 6px;
    color: white;
    cursor: pointer;
}

#confirmYes:hover {
    background: #00acc1;
}

#confirmNo:hover {
    background: #666;
}

.contact-card {
    background: var(--card-bg);
    padding: 35px;
    border-left: 5px solid var(--primary-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-radius: 0 10px 10px 0;
}

.footer {
    background-color: var(--primary-color);
    color: var(--nav-footer-text); 
    text-align: center;
    padding: 25px;
    margin-top: 50px;
}

@media (max-width: 991px) {
    .nav-custom {
        padding: 1rem 0;
    }

    .nav-item {
        margin: 5px 0;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 50px 0;
    }

        .hero-section h1 {
            font-size: 1.8rem;
        }

    .big-number {
        font-size: 2.2rem;
    }

    .dashboard {
        grid-template-columns: 1fr;
    }

    .controls-panel {
        flex-direction: column;
        align-items: flex-start !important;
    }

    .btn-sm {
        width: 100%;
        margin-bottom: 5px;
    }

    .chart-wrapper {
        height: 200px;
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}