/* Home Automation Dashboard Styles */

:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --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);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

/* Header */
header {
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Main Content */
main {
    margin-bottom: 2rem;
}

/* Room Section */
.room {
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.room-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

/* Device Grid */
.devices-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

/* Tablet: 2 columns */
@media (max-width: 1024px) {
    .devices-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile: 1 column */
@media (max-width: 640px) {
    .devices-grid {
        grid-template-columns: 1fr;
    }
}

/* Device Tile */
.device-tile {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: all 0.2s;
}

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

.device-header {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.device-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    line-height: 1;
}

.device-info {
    flex: 1;
    min-width: 0;
}

.device-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.device-id {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: 'Monaco', 'Courier New', monospace;
}

/* Device State */
.device-state {
    padding: 0.5rem;
    background-color: var(--card-bg);
    border-radius: 0.375rem;
    text-align: center;
}

.state-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Device Controls */
.device-controls {
    display: flex;
    gap: 0.5rem;
}

/* Buttons */
.btn {
    flex: 1;
    padding: 0.625rem 1rem;
    border: none;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

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

.btn-on:hover {
    background-color: #059669;
}

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

.btn-off:hover {
    background-color: #dc2626;
}

.btn:active {
    transform: scale(0.98);
}

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

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

.btn-primary:active {
    transform: scale(0.98);
}

/* Empty State */
.empty-state {
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    padding: 3rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.empty-state p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.empty-state .hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Footer */
footer {
    text-align: center;
    padding: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }
    
    .room-title {
        font-size: 1.25rem;
    }
    
    .container {
        padding: 0.75rem;
    }
    
    .room {
        padding: 1rem;
    }
}