/* RC PowerLab BLE Interface Styles */

/* Theme Variables */
:root {
    /* Light theme (default) */
    --bg-primary: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f8fafc 100%);
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-hover: rgba(255, 255, 255, 0.9);
    --bg-header: rgba(255, 255, 255, 0.9);
    --border-color: rgba(0, 0, 0, 0.1);
    --text-primary: #1a202c;
    --text-secondary: rgba(26, 32, 44, 0.7);
    --chart-bg: rgba(0, 0, 0, 0.05);
    --log-bg: rgba(0, 0, 0, 0.05);
    --connection-glow: #10b981;
}

/* Dark theme */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
        --bg-card: rgba(255, 255, 255, 0.1);
        --bg-card-hover: rgba(255, 255, 255, 0.15);
        --bg-header: rgba(255, 255, 255, 0.1);
        --border-color: rgba(255, 255, 255, 0.2);
        --text-primary: #ffffff;
        --text-secondary: rgba(255, 255, 255, 0.7);
        --chart-bg: rgba(0, 0, 0, 0.2);
        --log-bg: rgba(0, 0, 0, 0.2);
        --connection-glow: #10b981;
    }
}

/* Base Styles */
.ble-container {
    background: var(--bg-primary);
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Header */
.ble-header {
    background: var(--bg-header);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
}

.header-content {
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.session-indicator {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.5s ease;
}

.session-idle {
    background: linear-gradient(45deg, #3b82f6, #1d4ed8);
}

.session-active {
    background: linear-gradient(45deg, #10b981, #059669);
    animation: pulse 2s infinite;
}

.session-complete {
    background: linear-gradient(45deg, #f59e0b, #d97706);
}

.header-text h1 {
    color: var(--text-primary);
    font-size: 2rem;
    font-weight: bold;
    margin: 0;
}

.header-text p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.875rem;
}

.session-state {
    font-weight: 600;
    color: var(--text-primary);
}

/* Connection Controls */
.connection-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.status-indicator {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: #ef4444;
    transition: all 0.3s ease;
}

.status-indicator.connected {
    background: #10b981;
    box-shadow: 0 0 10px var(--connection-glow);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn:not(:disabled):hover {
    transform: scale(1.05);
}

.btn-primary {
    background: #3b82f6;
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #2563eb;
}

.btn-secondary {
    background: #6b7280;
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background: #4b5563;
}

.btn-danger {
    background: #ef4444;
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-success {
    background: #10b981;
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #059669;
}

.btn-warning {
    background: #f59e0b;
    color: white;
}

.btn-warning:hover:not(:disabled) {
    background: #d97706;
}

.btn-info {
    background: #06b6d4;
    color: white;
}

.btn-info:hover:not(:disabled) {
    background: #0891b2;
}

.btn-purple {
    background: #8b5cf6;
    color: white;
}

.btn-purple:hover:not(:disabled) {
    background: #7c3aed;
}

/* Error Message */
.error-message {
    margin: 1rem 2rem;
    max-width: 1920px;
    margin-left: auto;
    margin-right: auto;
    padding: 1rem;
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 0.75rem;
    color: #fca5a5;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.error-close {
    margin-left: auto;
    background: none;
    border: none;
    color: #fca5a5;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Main Content */
.main-content {
    max-width: 1920px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    min-height: calc(100vh - 120px);
}

/* Data Cards */
.data-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.data-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
}

.data-card:hover {
    background: var(--bg-card-hover);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-header h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.card-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rpm-icon {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

.battery-icon {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.card-value {
    font-size: 3rem;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card-description {
    color: var(--text-secondary);
    margin: 0;
}

/* Battery Bar */
.battery-bar {
    margin: 1rem 0 0.5rem 0;
    height: 0.5rem;
    background: var(--border-color);
    border-radius: 0.25rem;
    overflow: hidden;
}

.battery-fill {
    height: 100%;
    background: linear-gradient(90deg, #ef4444 0%, #f59e0b 50%, #10b981 100%);
    transition: width 0.5s ease;
}

.battery-percent {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.875rem;
}

/* Control Panel */
.control-panel {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
}

.control-panel h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 1.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.control-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.command-status {
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

/* Chart and Log Container */
.chart-log-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    flex: 1;
    min-height: 0;
}

.chart-container,
.log-container {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.chart-container h2,
.log-container h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 1.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.chart-wrapper {
    flex: 1;
    min-height: 0;
    border-radius: 0.5rem;
    overflow: hidden;
}

.rpm-chart {
    width: 100%;
    height: 100%;
    background: var(--chart-bg);
}

/* Data Log */
.log-content {
    flex: 1;
    min-height: 0;
    max-height: 100%;
    overflow-y: auto;
    background: var(--log-bg);
    border-radius: 0.5rem;
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
}

.log-entry {
    display: flex;
    padding: 0.25rem 0;
    border-bottom: 1px solid var(--border-color);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-timestamp {
    color: #3b82f6;
    margin-right: 0.75rem;
    flex-shrink: 0;
}

.log-message {
    color: var(--text-secondary);
    word-break: break-all;
}

/* Icons - Using simple text symbols for now */
.icon-cpu::before { content: "🖥️"; }
.icon-wifi::before { content: "📶"; }
.icon-wifi-off::before { content: "📵"; }
.icon-search::before { content: "🔍"; }
.icon-alert-circle::before { content: "⚠️"; }
.icon-gauge::before { content: "⏱️"; }
.icon-battery::before { content: "🔋"; }
.icon-settings::before { content: "⚙️"; }
.icon-play::before { content: "▶️"; }
.icon-stop::before { content: "⏹️"; }
.icon-repeat::before { content: "🔄"; }
.icon-info::before { content: "ℹ️"; }
.icon-refresh-cw::before { content: "🔄"; }
.icon-check-circle::before { content: "✅"; }
.icon-trending-up::before { content: "📈"; }
.icon-scroll-text::before { content: "📜"; }

/* Responsive Design */
@media (max-width: 1200px) {
    .chart-log-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .connection-controls {
        justify-content: center;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .data-cards {
        grid-template-columns: 1fr;
    }
    
    .control-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .card-value {
        font-size: 2rem;
    }
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}