/* CSS Variables for Apple Dark Mode Theme */
:root {
    --bg-color: #000000;
    --card-bg: rgba(255, 255, 255, 0.08);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a1a1a1;
    --accent-color: #007aff;
    --success-color: #34c759;
    --warning-color: #ff9500;
    --danger-color: #ff3b30;
    --glass-blur: 20px;
    --border-radius: 16px;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Dark Mode Overrides */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #000000;
        --card-bg: rgba(255, 255, 255, 0.08);
        --card-border: rgba(255, 255, 255, 0.1);
        --text-primary: #ffffff;
        --text-secondary: #a1a1a1;
    }
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
}

/* Layout Components */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--card-border);
}

.brand h1 {
    background: linear-gradient(135deg, #ffffff, #a1a1a1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Buttons */
button {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-family: var(--font-family);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

button:active {
    transform: translateY(0);
}

.install-btn {
    background: linear-gradient(135deg, var(--accent-color), #5ac8fa);
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.4);
}

.notify-btn {
    border: 1px solid var(--success-color);
    color: var(--success-color);
    background: rgba(52, 199, 89, 0.1);
}

.notify-btn.enabled {
    background: var(--success-color);
    color: white;
    box-shadow: 0 4px 15px rgba(52, 199, 89, 0.4);
}

/* Cards and Containers */
.main-content {
    display: grid;
    gap: 2rem;
}

.summary-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.chart-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Location Section */
.location-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.location-controls {
    margin-bottom: 2rem;
}

.location-methods {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.method-btn {
    flex: 1;
    min-width: 120px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
}

.method-btn.active {
    background: linear-gradient(135deg, var(--accent-color), #5ac8fa);
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.4);
}

.input-group {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    margin-bottom: 1rem;
}

.input-group input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 0.75rem;
    border-radius: 12px;
    font-family: var(--font-family);
}

.input-group input::placeholder {
    color: var(--text-secondary);
}

.map-instruction {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: center;
    margin-top: 1rem;
}

.current-location {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    text-align: center;
}

/* Controls Section */
.controls-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.range-buttons {
    display: flex;
    gap: 0.5rem;
}

.range-btn {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
}

.range-btn.active {
    background: linear-gradient(135deg, var(--accent-color), #5ac8fa);
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.4);
}

.notification-settings {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.notification-settings label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.notification-settings input[type="range"] {
    accent-color: var(--accent-color);
    width: 100%;
}

/* Dashboard Section */
.fog-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.fog-score {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff, #a1a1a1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fog-label {
    font-size: 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.fog-label.low {
    color: var(--success-color);
    text-shadow: 0 0 10px rgba(52, 199, 89, 0.5);
}

.fog-label.medium {
    color: var(--warning-color);
    text-shadow: 0 0 10px rgba(255, 149, 0, 0.5);
}

.fog-label.high {
    color: var(--danger-color);
    text-shadow: 0 0 15px rgba(255, 59, 48, 0.6);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.metric {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.metric:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

.metric-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
}

/* Timeline Section */
.timeline-section h2 {
    margin-bottom: 1.5rem;
}

.timeline-chart {
    height: 300px;
}

.timeline-chart canvas {
    height: 100% !important;
}

/* Charts */
canvas {
    width: 100% !important;
    height: 200px !important;
}

/* Footer */
.app-footer {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 3rem;
    padding: 2rem;
    border-top: 1px solid var(--card-border);
}

/* Ad Container */
.ad-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 300px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 1rem;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: 1000;
}

.ad-content {
    text-align: center;
}

.ad-label {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    font-size: 0.7rem;
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .summary-card {
        grid-template-columns: 1fr;
    }
    
    .controls-section {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-container {
        grid-template-columns: 1fr;
    }
    
    .ad-container {
        position: relative;
        bottom: auto;
        right: auto;
        margin: 2rem 0;
        width: 100%;
    }
}

/* Loading States */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

.hidden {
    display: none !important;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}