:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --text-primary: #ffffff;
    --text-secondary: #e0e6ed;
    --text-muted: #b8c7ce;
    --background-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --background-secondary: rgba(255, 255, 255, 0.1);
    --glass-background: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-light: 0 8px 32px rgba(31, 38, 135, 0.37);
    --shadow-heavy: 0 15px 35px rgba(31, 38, 135, 0.5);
    --border-radius: 15px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--background-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
}

/* Glass Card Effect */
.glass-card {
    background: var(--glass-background);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    padding: 25px;
    margin-bottom: 25px;
    transition: var(--transition);
}


/* Header */
.header {
    text-align: center;
    margin-bottom: 30px;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 300;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header h1 i {
    color: var(--accent-color);
    margin-right: 10px;
}

/* Search Container */
.search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-box {
    display: flex;
    gap: 10px;
    background: var(--glass-background);
    padding: 12px;
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 1rem;
    padding: 8px 12px;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box button {
    background: var(--primary-color);
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.search-box button:hover {
    background: var(--secondary-color);
    transform: scale(1.05);
}

.search-box button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.search-box button:disabled:hover {
    background: var(--primary-color);
    transform: none;
}

.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--glass-background);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    margin-top: 5px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.suggestion-item {
    padding: 12px 15px;
    cursor: pointer;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.suggestion-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item.suggestion-selected {
    background: rgba(255, 255, 255, 0.2);
    border-left: 3px solid var(--accent-color);
}

.suggestion-item:hover,
.suggestion-item.suggestion-selected:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Current Weather */
.current-weather {
    text-align: center;
}

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

.location h2 {
    font-size: 2rem;
    margin-bottom: 5px;
    font-weight: 400;
}

.location p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

#currentTemp {
    font-size: 4rem;
    font-weight: 200;
    line-height: 1;
}

.weather-icon img {
    width: 80px;
    height: 80px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.weather-description {
    margin-bottom: 25px;
}

.weather-description p:first-child {
    font-size: 1.2rem;
    margin-bottom: 5px;
    text-transform: capitalize;
}

.weather-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: var(--transition);
}

.stat:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.stat i {
    font-size: 1.2rem;
    color: var(--accent-color);
}

.stat span:nth-child(2) {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stat span:nth-child(3) {
    font-weight: 600;
}

/* Forecast */
.forecast h3,
.details h3 {
    margin-bottom: 20px;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 10px;
}

.forecast h3 i,
.details h3 i {
    color: var(--accent-color);
}

.forecast-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.forecast-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

.forecast-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

.forecast-date {
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.forecast-icon img {
    width: 50px;
    height: 50px;
    margin: 10px 0;
}

.forecast-temps {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
}

.max-temp {
    font-weight: 600;
}

.min-temp {
    color: var(--text-muted);
}

.forecast-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 5px;
    text-transform: capitalize;
}

/* Weather Details */
.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.detail-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.detail-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.detail-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

.detail-info h4 {
    font-weight: 500;
    margin-bottom: 5px;
    color: var(--text-secondary);
}

.detail-info p {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Loading Animation */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--glass-background);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    margin: 15% auto;
    padding: 0;
    width: 90%;
    max-width: 500px;
    border-radius: var(--border-radius);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    transition: var(--transition);
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: 20px 25px;
}

/* Modal Body Text */
.modal-body p {
    white-space: pre-line;
    line-height: 1.6;
}

.modal-footer {
    padding: 15px 25px;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Font Awesome Spinner */
.fa-spin {
    animation: fa-spin 1s infinite linear;
}

@keyframes fa-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .weather-main {
        flex-direction: column;
        gap: 20px;
    }
    
    .temperature {
        justify-content: center;
    }
    
    #currentTemp {
        font-size: 3rem;
    }
    
    .weather-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .forecast-container {
        grid-template-columns: 1fr;
    }
    
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
}

@media (max-width: 480px) {
    .glass-card {
        padding: 15px;
    }
    
    .weather-stats {
        grid-template-columns: 1fr;
    }
    
    .stat {
        padding: 10px;
    }
}

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

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}