/* Base Styles */
:root {
    --primary-color: #2563eb;
    --secondary-color: #3b82f6;
    --accent-color: #60a5fa;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-bg: #f3f4f6;
    --dark-bg: #1f2937;
}

body {
    min-height: 100vh;
    background-image: url('https://images.unsplash.com/photo-1504608524841-42fe6f032b4b?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #1f2937;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
    z-index: -1;
}

.dark body::before {
    background: linear-gradient(to bottom, rgba(17, 24, 39, 0.9), rgba(17, 24, 39, 0.7));
}

/* Enhanced Card Styles */
.weather-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.weather-card:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 20px 40px rgba(31, 38, 135, 0.2);
}

.dark .weather-card {
    background: rgba(31, 41, 55, 0.8);
}

/* Gradient Backgrounds for Different Weather */
.theme-clear {
    background-image: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%);
}

.theme-clouds {
    background-image: linear-gradient(to top, #e6e9f0 0%, #eef1f5 100%);
}

.theme-rain {
    background-image: linear-gradient(to top, #30cfd0 0%, #330867 100%);
}

.theme-thunderstorm {
    background-image: linear-gradient(to bottom, #000046 0%, #1cb5e0 100%);
}

.theme-snow {
    background-image: linear-gradient(to top, #e6e9f0 0%, #eef1f5 100%);
}

/* Enhanced Search Bar */
.search-container {
    position: relative;
    max-width: 600px;
    margin: 2rem auto;
}

.search-input {
    width: 100%;
    padding: 1rem 3rem;
    border-radius: 9999px;
    border: 2px solid transparent;
    background: white;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.search-input:focus {
    outline: none;
    border-color: #1a73e8;
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.2);
}

.dark .search-input {
    background: rgba(31, 41, 55, 0.8);
    color: white;
}

/* Temperature Display */
.temperature-display {
    font-size: 3.5rem;
    font-weight: bold;
    color: #1a73e8;
}

.dark .temperature-display {
    color: #60a5fa;
}

/* Weather Icons */
.weather-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
}

/* Forecast Cards */
.forecast-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.forecast-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.9);
}

/* Air Quality Indicators */
.aqi-good {
    background: linear-gradient(120deg, #84fab0 0%, #8fd3f4 100%);
    color: #22c55e;
}

.aqi-moderate {
    background: linear-gradient(120deg, #f6d365 0%, #fda085 100%);
    color: #eab308;
}

.aqi-unhealthy {
    background: linear-gradient(120deg, #ff9a9e 0%, #fad0c4 100%);
    color: #ef4444;
}

.aqi-very-unhealthy {
    background: linear-gradient(120deg, #ff758c 0%, #ff7eb3 100%);
    color: #fff;
}

.dark .aqi-good {
    color: #86efac;
}

.dark .aqi-moderate {
    color: #fde047;
}

.dark .aqi-poor {
    color: #fca5a5;
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.btn-primary:active {
    transform: translateY(1px);
}

/* Dark Mode Styles */
.dark .weather-card {
    background: rgba(17, 24, 39, 0.8);
    border-color: rgba(255, 255, 255, 0.1);
}

.dark .forecast-card {
    background: rgba(17, 24, 39, 0.7);
    border-color: rgba(255, 255, 255, 0.1);
}

.dark .search-input {
    background: rgba(17, 24, 39, 0.8);
    color: white;
}

.dark .temperature-display {
    background: linear-gradient(45deg, #60a5fa, #3b82f6, #2563eb);
    -webkit-background-clip: text;
    background-clip: text;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .temperature-display {
        font-size: 2.5rem;
    }
    
    .weather-card {
        padding: 1rem;
    }
    
    .forecast-card {
        padding: 1rem;
    }
}

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

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Weather-based themes */
.theme-clear {
    --weather-gradient: linear-gradient(120deg, #89f7fe 0%, #66a6ff 100%);
    --card-bg: rgba(255, 255, 255, 0.9);
}

.theme-clouds {
    --weather-gradient: linear-gradient(to top, #e6e9f0 0%, #eef1f5 100%);
    --card-bg: rgba(255, 255, 255, 0.9);
}

.theme-rain {
    --weather-gradient: linear-gradient(to top, #30cfd0 0%, #330867 100%);
    --card-bg: rgba(255, 255, 255, 0.9);
}

.theme-thunderstorm {
    --weather-gradient: linear-gradient(to bottom, #000046 0%, #1cb5e0 100%);
    --card-bg: rgba(255, 255, 255, 0.9);
}

.theme-snow {
    --weather-gradient: linear-gradient(to top, #e6e9f0 0%, #eef1f5 100%);
    --card-bg: rgba(255, 255, 255, 0.95);
}

/* Weather Alert Styles */
.weather-alert {
    background: rgba(220, 38, 38, 0.1);
    border-left: 4px solid #dc2626;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0.5rem;
    animation: slideIn 0.3s ease-out;
}

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

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(66, 153, 225, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(66, 153, 225, 0.7);
}

/* Improve Card Hover Effects */
.weather-card {
    transform: translateY(0);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.weather-card:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Enhanced Temperature Display */
.temperature-display {
    background: linear-gradient(120deg, #ff6b6b, #4ecdc4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

/* Improved Search Input */
.search-input {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.search-input:focus {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.5), 0 4px 6px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

/* Enhanced Button Styles */
button {
    transform: translateY(0);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

button:hover {
    transform: translateY(-1px);
}

button:active {
    transform: translateY(1px);
}

/* Improved Forecast Cards */
.forecast-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.forecast-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Enhanced Air Quality Indicators */
.aqi-indicator {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.aqi-indicator::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 0%, rgba(255, 255, 255, 0.1) 50%, transparent 100%);
    transform: translateX(-100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    100% { transform: translateX(100%); }
}

/* Responsive Improvements */
@media (max-width: 640px) {
    .weather-card {
        margin: 1rem 0;
        padding: 1rem;
    }
    
    .temperature-display {
        font-size: 2.5rem;
    }
    
    .forecast-card {
        margin: 0.5rem 0;
    }
}

/* Dark Mode Enhancements */
.dark .weather-card,
.dark .forecast-card {
    background: rgba(17, 24, 39, 0.8);
    border-color: rgba(255, 255, 255, 0.1);
}

.dark .search-input {
    background: rgba(17, 24, 39, 0.9);
    color: white;
}

.dark .search-input:focus {
    background: rgba(17, 24, 39, 1);
}

/* Keyboard Navigation Styles */
.suggestion-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.suggestion-item:hover,
.suggestion-item.selected {
    background-color: rgba(59, 130, 246, 0.1);
}

.dark .suggestion-item:hover,
.dark .suggestion-item.selected {
    background-color: rgba(96, 165, 250, 0.1);
}

.search-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

.dark .search-input:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.3);
}

button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

.dark button:focus {
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.3);
}

/* Header Styles */
header img {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* Footer Styles */
footer {
    z-index: 50;
    border-top: 1px solid rgba(229, 231, 235, 0.2);
    box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.1);
}

footer p {
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Adjust main content for footer */
.container {
    padding-bottom: 3rem;
}

/* Adjust theme toggle position */
#themeToggle {
    bottom: 4rem;
}