:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --primary-light: #5dade2;
    --secondary-color: #2ecc71;
    --accent-color: #e74c3c;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-color: #ecf0f1;
    --light-gray: #bdc3c7;
    --dark-color: #2c3e50;
    --text-color: #333;
    --text-light: #7f8c8d;
    --bg-color: #f9f9f9;
    --card-bg: #fff;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
    --box-shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.logo-container h1 {
    color: var(--primary-color);
    font-size: 2.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.logo-container h1 span {
    color: var(--dark-color);
    font-weight: 300;
}

.tagline {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 5px;
}

.search-container {
    display: flex;
    gap: 15px;
    align-items: center;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-sm);
    overflow: hidden;
}

#search-box {
    padding: 12px 20px;
    border: none;
    font-size: 1rem;
    width: 300px;
    transition: var(--transition);
    background: var(--card-bg);
}

#search-box:focus {
    outline: none;
}

#search-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 20px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

#search-btn:hover {
    background-color: var(--primary-dark);
}

#current-location-btn {
    background-color: var(--light-color);
    color: var(--dark-color);
    border: none;
    border-radius: var(--border-radius);
    padding: 12px 20px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--box-shadow-sm);
}

#current-location-btn:hover {
    background-color: var(--primary-light);
    color: white;
}

/* Weather Summary Section */
.weather-summary {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 25px;
    box-shadow: var(--box-shadow);
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(255, 255, 255, 0.8) 100%);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.location-time h2 {
    font-size: 2rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.time-info {
    display: flex;
    gap: 15px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.weather-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0;
}

.temperature-container {
    display: flex;
    flex-direction: column;
}

.temperature {
    display: flex;
    align-items: flex-start;
    margin-bottom: 5px;
}

.temperature #current-temp {
    font-size: 5rem;
    font-weight: 300;
    line-height: 1;
    color: var(--dark-color);
}

.temperature .unit {
    font-size: 2rem;
    margin-top: 5px;
    color: var(--text-light);
}

.feels-like {
    color: var(--text-light);
    font-size: 0.9rem;
}

.weather-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.weather-icon canvas {
    width: 120px;
    height: 120px;
}

#weather-description {
    text-transform: capitalize;
    font-size: 1.1rem;
    margin-top: 10px;
    color: var(--dark-color);
}

.weather-details {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.detail-card {
    flex: 1;
    min-width: 150px;
    background: var(--card-bg);
    border-radius: var(--border-radius-sm);
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--box-shadow-sm);
    transition: var(--transition);
}

.detail-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.detail-card i {
    font-size: 1.8rem;
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(52, 152, 219, 0.1);
    border-radius: 50%;
}

.detail-info {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 0.8rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-info span:not(.detail-label) {
    font-size: 1.1rem;
    font-weight: 500;
}

/* Sun & Air Quality Section */
.sun-air-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.sun-card, .air-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
}

.sun-card h3, .air-card h3 {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark-color);
}

.sun-card h3 i {
    color: var(--warning-color);
}

.air-card h3 i {
    color: var(--primary-color);
}

.sun-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.sun-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.sun-item:hover {
    background: rgba(0, 0, 0, 0.02);
}

.sun-item i {
    font-size: 1.5rem;
    color: var(--warning-color);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(242, 201, 76, 0.1);
    border-radius: 50%;
}

.sun-label {
    font-size: 0.8rem;
    color: var(--text-light);
    display: block;
}

.sun-item span:not(.sun-label) {
    font-size: 1.1rem;
    font-weight: 500;
}

.air-quality-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
}

.aqi-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.aqi-value {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.8rem;
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.aqi-description {
    font-weight: 500;
    font-size: 0.9rem;
    text-align: center;
}

.pollutants {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.pollutant {
    background: rgba(0, 0, 0, 0.02);
    padding: 12px;
    border-radius: var(--border-radius-sm);
}

.pollutant-name {
    font-size: 0.8rem;
    color: var(--text-light);
    display: block;
    margin-bottom: 5px;
}

.pollutant-value {
    font-size: 1rem;
    font-weight: 500;
}

/* UV Index Section */
.uv-index-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--box-shadow);
}

.uv-index-card h3 {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark-color);
}

.uv-index-card h3 i {
    color: var(--warning-color);
}

.uv-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
    margin-bottom: 20px;
}

.uv-index-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.uv-value {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 2.5rem;
    color: white;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.uv-description {
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
    padding: 5px 15px;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.05);
}

.uv-details {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 15px;
}

.uv-detail {
    background: rgba(0, 0, 0, 0.02);
    padding: 15px;
    border-radius: var(--border-radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.uv-label {
    font-size: 0.8rem;
    color: var(--text-light);
    display: block;
    margin-bottom: 5px;
    text-align: center;
}

.uv-detail .uv-value {
    width: auto;
    height: auto;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-color);
    background: none;
    box-shadow: none;
}

.uv-meter {
    height: 10px;
    background: #f0f0f0;
    border-radius: 5px;
    display: flex;
    margin-top: 20px;
    position: relative;
}

.uv-level {
    flex: 1;
    height: 100%;
}

.uv-level-1 { background: #4facfe; border-radius: 5px 0 0 5px; }
.uv-level-2 { background: #4facfe; }
.uv-level-3 { background: #00f2fe; }
.uv-level-4 { background: #00e0a0; }
.uv-level-5 { background: #a0de0b; }
.uv-level-6 { background: #f9f902; }
.uv-level-7 { background: #f9d002; }
.uv-level-8 { background: #f97302; }
.uv-level-9 { background: #f94302; }
.uv-level-10 { background: #f91202; }
.uv-level-11 { background: #d002f9; border-radius: 0 5px 5px 0; }

.uv-indicator {
    position: absolute;
    top: -10px;
    width: 20px;
    height: 20px;
    background: white;
    border: 3px solid var(--dark-color);
    border-radius: 50%;
    transform: translateX(-10px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    transition: left 0.5s ease;
}

/* Weather Graphs */
.weather-graphs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.graph-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
}

.graph-card h3 {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark-color);
}

.chart-container {
    position: relative;
    height: 250px;
    width: 100%;
}

/* Hourly Forecast */
.hourly-forecast {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--box-shadow);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.section-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark-color);
}

.time-toggle {
    display: flex;
    gap: 10px;
}

.time-toggle button {
    background: var(--light-color);
    border: none;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.time-toggle button.active {
    background: var(--primary-color);
    color: white;
}

.hourly-container {
    display: flex;
    overflow-x: auto;
    gap: 15px;
    padding: 10px 0;
    scrollbar-width: thin;
}

.hourly-item {
    min-width: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px 10px;
    background: rgba(52, 152, 219, 0.05);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    flex-shrink: 0;
}

.hourly-item:hover {
    background: rgba(52, 152, 219, 0.1);
    transform: translateY(-3px);
}

.hourly-item .time {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark-color);
}

.hourly-item .temp {
    font-size: 1.2rem;
    font-weight: 600;
}

.hourly-item canvas {
    width: 40px;
    height: 40px;
}

.hourly-item .rain-chance {
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 3px;
}

/* Additional Info Grid */
.additional-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.info-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    box-shadow: var(--box-shadow-sm);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.info-card h4 {
    font-size: 1rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.info-value {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.info-trend, .info-comparison {
    font-size: 0.8rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 5px;
}

.rain-probability-bar {
    height: 6px;
    background: rgba(52, 152, 219, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 10px;
}

.rain-probability-fill {
    height: 100%;
    background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    border-radius: 3px;
    width: 0%;
    transition: width 0.5s ease;
}

.precipitation-type {
    font-size: 0.8rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 5px;
}

.comfort-level {
    font-size: 0.8rem;
    color: var(--text-light);
    padding: 3px 8px;
    border-radius: 10px;
    background: rgba(46, 204, 113, 0.1);
    display: inline-block;
}

/* Weekly Forecast */
.weekly-forecast {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--box-shadow);
}

.weekly-forecast h3 {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark-color);
}

.weekly-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.daily-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.daily-item:hover {
    background: rgba(52, 152, 219, 0.1);
    transform: translateY(-2px);
}

.day-info {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
}

.day-info .day {
    font-weight: 500;
    min-width: 60px;
}

.day-info canvas {
    width: 40px;
    height: 40px;
}

.day-info .description {
    font-size: 0.9rem;
    color: var(--text-light);
    flex: 1;
    text-transform: capitalize;
}

.temp-range {
    display: flex;
    align-items: center;
    gap: 20px;
}

.max-temp {
    font-weight: 600;
    min-width: 30px;
    text-align: right;
}

.min-temp {
    color: var(--text-light);
    min-width: 30px;
    text-align: right;
}

/* Weather Map */
.weather-map {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--box-shadow);
}

.map-options {
    display: flex;
    gap: 10px;
}

.map-options button {
    background: var(--light-color);
    border: none;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.map-options button.active {
    background: var(--primary-color);
    color: white;
}

.map-container {
    height: 400px;
    margin-top: 15px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

#weather-map {
    width: 100%;
    height: 100%;
    border: none;
}

/* Footer */
footer {
    background: var(--dark-color);
    color: white;
    padding: 40px 0 20px;
    border-radius: var(--border-radius);
    margin-top: 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 0 20px;
    margin-bottom: 30px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--light-color);
}

.footer-section p {
    font-size: 0.9rem;
    color: var(--light-gray);
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.8rem;
    color: var(--light-gray);
}

/* Animation Container */
.animation-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.weather-animation {
    width: 100%;
    height: 100%;
}

/* AQI colors */
.aqi-good {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
}

.aqi-moderate {
    background: linear-gradient(135deg, #f1c40f 0%, #f39c12 100%);
}

.aqi-unhealthy-sensitive {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
}

.aqi-unhealthy {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.aqi-very-unhealthy {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
}

.aqi-hazardous {
    background: linear-gradient(135deg, #7f8c8d 0%, #34495e 100%);
}

/* UV Description Colors */
.uv-low { background: rgba(79, 172, 254, 0.2); color: #4facfe; }
.uv-moderate { background: rgba(0, 242, 254, 0.2); color: #00f2fe; }
.uv-high { background: rgba(0, 224, 160, 0.2); color: #00e0a0; }
.uv-very-high { background: rgba(249, 211, 2, 0.2); color: #f9d302; }
.uv-extreme { background: rgba(249, 19, 2, 0.2); color: #f91302; }

/* Responsive styles */
@media (max-width: 1200px) {
    .sun-air-section {
        grid-template-columns: 1fr;
    }
    
    .weather-graphs {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-container {
        flex-direction: column;
    }
    
    .search-box {
        width: 100%;
    }
    
    #search-box {
        width: 100%;
    }
    
    #current-location-btn {
        width: 100%;
        justify-content: center;
    }
    
    .air-quality-grid {
        grid-template-columns: 1fr;
    }
    
    .uv-content {
        grid-template-columns: 1fr;
    }
    
    .additional-info-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .additional-info-grid {
        grid-template-columns: 1fr;
    }
    
    .sun-grid {
        grid-template-columns: 1fr;
    }
    
    .uv-details {
        grid-template-columns: 1fr;
    }
    
    .weather-main {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .temperature #current-temp {
        font-size: 4rem;
    }
}