/* ================================
   Garden Dashboard Styles
   Theme: Green/Nature
   ================================ */

/* ===== CSS Variables ===== */
:root {
    /* Colors - Green/Nature Theme */
    --primary-green: #2D5016;
    --light-green: #4A7C2E;
    --accent-green: #6B9F4D;
    --bg-cream: #FAFAF8;
    --bg-white: #FFFFFF;
    --text-dark: #333333;
    --text-medium: #666666;
    --text-light: #999999;
    --border-color: #E5E5E5;
    --shadow: rgba(0, 0, 0, 0.1);
    --success-green: #00FF88;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 40px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 
                 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-cream);
    color: var(--text-dark);
    line-height: 1.6;
    padding: var(--spacing-md);
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* ===== Header ===== */
.dashboard-header {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 2px 8px var(--shadow);
    margin-bottom: var(--spacing-lg);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

h1 {
    color: var(--primary-green);
    font-size: 28px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.icon {
    font-size: 32px;
}

.status-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    font-size: 14px;
    color: var(--text-medium);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-light);
    transition: background 0.3s ease;
}

.status-indicator.connected {
    background: var(--success-green);
    animation: pulse 2s infinite;
}

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

/* ===== Sensor Cards Grid ===== */
.sensors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.sensor-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 2px 8px var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.sensor-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px var(--shadow);
}

.sensor-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-sm);
}

.sensor-value-container {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
    margin: var(--spacing-md) 0;
}

.sensor-value {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-green);
    line-height: 1;
}

.sensor-unit {
    font-size: 24px;
    color: var(--text-medium);
    font-weight: 500;
}

.sensor-label {
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.sensor-status {
    font-size: 12px;
    color: var(--text-light);
    margin-top: var(--spacing-xs);
}

.status-text {
    padding: 4px 8px;
    background: var(--bg-cream);
    border-radius: 4px;
}

/* ===== Chart Containers ===== */
.chart-container {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 2px 8px var(--shadow);
    margin-bottom: var(--spacing-lg);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.chart-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.chart-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.time-btn {
    padding: 6px 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-medium);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.time-btn:hover {
    background: var(--bg-cream);
    border-color: var(--accent-green);
}

.time-btn.active {
    background: var(--primary-green);
    color: white;
    border-color: var(--primary-green);
}

/* Chart containers */
#temperature-chart,
#moisture-chart {
    min-height: 300px;
}

/* ===== Footer ===== */
.dashboard-footer {
    text-align: center;
    padding: var(--spacing-md);
    color: var(--text-light);
    font-size: 14px;
}

/* ===== Loading State ===== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* ===== Error State ===== */
.error {
    color: #D32F2F;
    background: #FFEBEE;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-align: center;
    margin: var(--spacing-md) 0;
}

/* ===== Responsive Design ===== */

/* Tablet */
@media (max-width: 768px) {
    body {
        padding: var(--spacing-sm);
    }
    
    h1 {
        font-size: 22px;
    }
    
    .icon {
        font-size: 24px;
    }
    
    .status-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
        width: 100%;
    }
    
    .sensors-grid {
        grid-template-columns: 1fr;
    }
    
    .sensor-value {
        font-size: 42px;
    }
    
    .chart-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .chart-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .time-btn {
        flex: 1;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .dashboard-header {
        padding: var(--spacing-md);
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    h1 {
        font-size: 20px;
    }
    
    .sensor-value {
        font-size: 36px;
    }
    
    .sensor-icon {
        font-size: 40px;
    }
    
    #temperature-chart,
    #moisture-chart {
        min-height: 250px;
    }
}

/* ===== Print Styles ===== */
@media print {
    body {
        background: white;
    }
    
    .chart-controls,
    .status-bar,
    .dashboard-footer {
        display: none;
    }
    
    .sensor-card,
    .chart-container {
        box-shadow: none;
        border: 1px solid var(--border-color);
        page-break-inside: avoid;
    }
}