:root {
    /* ONEev Brand Colors adapted for Energie Manager */
    --primary-color: #69B9FF;
    --primary-dark: #031635;
    --success-color: #22c55e;
    --warning-color: #eab308;
    --danger-color: #dc2626;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #031635;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    /* Additional brand colors */
    --accent-color: #69B9FF;
    --accent-hover: #5aa7ed;
    --brand-gradient: linear-gradient(135deg, #69B9FF 0%, #031635 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&display=swap');

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Force Montserrat on all elements that might have default fonts */
input, textarea, select, button, option {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

p, div, span, label, a {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--warning-color);
    animation: pulse 2s infinite;
}

.status-dot.connected {
    background: var(--success-color);
    animation: none;
}

.status-dot.error {
    background: var(--danger-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.status-text {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Power Cards */
.power-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

/* Device Pairing Section */
.device-pairing {
    margin-bottom: 30px;
}

.pairing-card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.pairing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.pairing-header h3 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.btn-toggle {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.pairing-content {
    padding: 24px;
}

.pairing-instructions {
    margin-bottom: 24px;
}

.pairing-instructions h4 {
    color: var(--text-primary);
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.pairing-instructions ol {
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 20px;
}

.pairing-instructions li {
    margin-bottom: 8px;
}

.code-generation {
    text-align: center;
    margin: 24px 0;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.active-codes {
    margin: 24px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.active-codes h4 {
    color: var(--text-primary);
    margin-bottom: 16px;
    font-size: 1rem;
}

.code-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: white;
    border-radius: 6px;
    margin-bottom: 8px;
    box-shadow: var(--shadow);
}

.code-details {
    flex: 1;
}

.code-number {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
    letter-spacing: 2px;
}

.code-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.code-actions {
    display: flex;
    gap: 8px;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 4px;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-copy {
    background: var(--text-secondary);
    color: white;
}

.paired-devices {
    margin-top: 24px;
}

.paired-devices h4 {
    color: var(--text-primary);
    margin-bottom: 16px;
    font-size: 1rem;
}

.device-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 12px;
}

.device-info {
    flex: 1;
}

.device-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.device-details {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.device-status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-right: 12px;
}

.status-connected {
    background: #dcfce7;
    color: #166534;
}

.no-devices {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding: 20px;
}

.power-card {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.power-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.power-card.consumption {
    border-left-color: #2563eb;
}

.power-card.production {
    border-left-color: #eab308;
}

.power-card.net-power.consuming {
    border-left-color: var(--danger-color);
}

.power-card.net-power.producing {
    border-left-color: var(--success-color);
}

.power-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

.power-info h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.power-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.power-trend {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.power-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Charts */
.charts {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.chart-container {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.chart-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chart-controls {
    display: flex;
    gap: 4px;
}

.btn-control {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

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

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-card h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Footer */
footer {
    text-align: center;
    padding: 20px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    header h1 {
        font-size: 2rem;
    }

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

    .power-cards {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .chart-header {
        flex-direction: column;
        gap: 15px;
    }

    .power-card {
        padding: 20px;
    }

    .power-value {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .stats {
        grid-template-columns: 1fr;
    }

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

    .power-card {
        flex-direction: column;
        text-align: center;
    }
}

/* Multiplexer Control Styling */
.multiplexer-control {
    margin: 30px 0;
}

.multiplexer-card {
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.multiplexer-header {
    background: var(--primary-color);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.device-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.device-selector {
    min-width: 200px;
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
}

.device-selector:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.multiplexer-header h3 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.device-status {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.device-status .status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #dc2626;
    animation: pulse 2s infinite;
}

.device-status .status-dot.online {
    background: #22c55e;
    animation: none;
}

.device-status .status-dot.offline {
    background: #dc2626;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.multiplexer-content {
    padding: 25px;
}

.multiplexer-info {
    margin-bottom: 25px;
}

.multiplexer-info p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.power-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.input-with-unit {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-unit input[type="number"] {
    flex: 1;
    padding: 12px 40px 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: #fff;
    color: var(--text-primary);
}

.input-with-unit input[type="text"],
.input-with-unit select {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: #fff;
    color: var(--text-primary);
}

.input-with-unit input[type="number"]:focus,
.input-with-unit input[type="text"]:focus,
.input-with-unit select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(105, 185, 255, 0.1);
}

.input-with-unit .unit {
    position: absolute;
    right: 15px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    pointer-events: none;
}

/* Channel/Port configuration styling */
.channel-config {
    background: #f8fafc;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.channel-config:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(105, 185, 255, 0.1);
}

.channel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.channel-header h5 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.channel-settings {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.input-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    align-items: end;
}

/* Toggle Switch Styling */
.channel-toggle {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
    cursor: pointer;
}

.channel-toggle input[type="checkbox"] {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    border-radius: 24px;
    transition: 0.3s;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: 0.3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.channel-toggle input:checked + .toggle-slider {
    background-color: var(--primary-color);
}

.channel-toggle input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

.channel-toggle:hover .toggle-slider {
    box-shadow: 0 0 8px rgba(105, 185, 255, 0.3);
}

/* Port Data Section Styling */
.port-data {
    margin: 30px 0;
}

.port-data-card {
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.port-data-header {
    background: var(--primary-color);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.port-data-header h3 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.last-update {
    font-size: 0.9rem;
    opacity: 0.9;
}

.port-data-content {
    padding: 25px;
}

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

.port-data-item {
    background: #f8fafc;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.port-data-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(105, 185, 255, 0.1);
}

.port-number {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.port-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.port-status {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: 6px;
    display: inline-block;
}

.port-status.online {
    background: #dcfce7;
    color: #15803d;
}

.port-status.offline {
    background: #f3f4f6;
    color: var(--text-secondary);
}

.multiplexer-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin-bottom: 20px;
}

.multiplexer-actions .btn {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.multiplexer-actions .btn-primary {
    background: var(--primary-color);
    color: white;
}

.multiplexer-actions .btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.multiplexer-actions .btn-secondary {
    background: #f1f5f9;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.multiplexer-actions .btn-secondary:hover {
    background: #e2e8f0;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.multiplexer-status {
    padding: 15px;
    border-radius: 10px;
    margin-top: 15px;
    animation: slideIn 0.3s ease;
}

.multiplexer-status.success {
    background: #dcfce7;
    border: 1px solid #22c55e;
    color: #15803d;
}

.multiplexer-status.error {
    background: #fef2f2;
    border: 1px solid #dc2626;
    color: #dc2626;
}

.multiplexer-status.info {
    background: #dbeafe;
    border: 1px solid var(--primary-color);
    color: var(--primary-dark);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile responsiveness for multiplexer */
@media (max-width: 768px) {
    .multiplexer-header {
        flex-direction: column;
        text-align: center;
    }

    .power-inputs {
        grid-template-columns: 1fr;
    }

    .multiplexer-actions {
        justify-content: center;
    }

    .multiplexer-actions .btn {
        flex: 1;
        min-width: 140px;
    }
}