:root {
    --primary-color: #213555;
    --accent-color: #3E5879;
    --secondary-accent-color: #D8C4B6;
    --background-color: #F5EFE7;
    --text-color: #213555;
    --glass-bg: rgba(245, 239, 231, 0.1);
    --glass-border: rgba(245, 239, 231, 0.2);
}
/* Header Menu Styles */

header {
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    width: 100%;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    z-index: 1000;
}

.logo {
    font-size: 1.5em;
    font-weight: bold;
    
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
    z-index: 1000;
}

.nav-links li a {
    color: white;
    text-decoration: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
}

.hamburger .line {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 4px 0;
}

/* Responsive Styles */
@media (max-width: 768px) {
   
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 20px;
        background-color: var(--primary-color);
        position: absolute;
        top: 60px;
        left: 0;
        z-index: 1000;
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(--background-color);
    color: var(--text-color);
    min-height: 100vh;
    padding: 2rem;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1800px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-size: 2.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.calculator-form {
    max-width: 800px;
    margin: 0 auto 2rem;
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

label {
    font-size: 1.1rem;
    color: var(--primary-color);
}

select, button {
    padding: 0.8rem 1rem;
    border-radius: 10px;
    border: 1px solid ;
    background: var(--glass-bg);
    color: var(--text-color);;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%233cd2c6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2em;
    padding-right: 2.5rem;
}

select option {
    background-color: white;
    color:var(--primary-color);
    padding: 8px;
}

select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

select:focus, button:focus {
    outline: none;
    border-color: var(--secondary-accent-color);
    box-shadow: 0 0 0 2px rgba(216, 196, 182, 0.2);
}

button {
    background: var(--accent-color);
    color: #ffffff;
    font-weight: bold;
    border: none;
    padding: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(60, 210, 198, 0.3);
}

#loading {
    display: none;
    text-align: center;
    margin: 2rem 0;
    color: var(--primary-color);
    font-weight: bold;
}

#error-message {
    display: none;
    text-align: center;
    margin: 2rem 0;
    color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 107, 107, 0.2);
}

.forecast-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
    overflow-x: auto;
    padding: 0.5rem;
    scroll-snap-type: x mandatory;
}

.forecast-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(60, 210, 198, 0.1);
    transition: all 0.3s ease;
    min-width: 200px;
    scroll-snap-align: start;
    text-align: center;
}

.forecast-card.high-chance {
    border-color: #4CAF50;
    background: rgba(76, 175, 80, 0.1);
}

.forecast-card.medium-chance {
    border-color: #FFC107;
    background: rgba(255, 193, 7, 0.1);
}

.forecast-card.low-chance {
    border-color: #9E9E9E;
    background: rgba(158, 158, 158, 0.1);
}

.snow-probability {
    margin: 1.5rem 0;
}

.probability-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 2px solid var(--accent-color);
}

.high-chance .probability-circle {
    border-color: #4CAF50;
}

.medium-chance .probability-circle {
    border-color: #FFC107;
}

.low-chance .probability-circle {
    border-color: #9E9E9E;
}

.probability-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-color);
}

.high-chance .probability-number {
    color: #4CAF50;
}

.medium-chance .probability-number {
    color: #FFC107;
}

.low-chance .probability-number {
    color: #9E9E9E;
}

.probability-label {
    font-size: 0.8rem;
    opacity: 0.8;
    margin-top: 0.2rem;
}

.prediction-text {
    margin-top: 1rem;
    font-weight: 500;
    color: var(--text-color);
}

.weather-details {
    display: grid;
    gap: 0.8rem;
}

.weather-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    font-size: 0.9rem;
}

.weather-item span {
    color: var(--text-color);
}

.weather-item span:last-child {
    font-weight: bold;
    color: var(--accent-color);
}

.temperature-range {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 1rem 0;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.temp-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.temp-label {
    font-size: 0.8rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.temp-value {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--accent-color);
}

.high-chance .temp-value {
    color: #4CAF50;
}

.medium-chance .temp-value {
    color: #FFC107;
}

.low-chance .temp-value {
    color: #9E9E9E;
}

.info-section {
    max-width: 800px;
    margin: 3rem auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid var(--glass-border);
}

.info-section h2 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.info-section p {
    margin-bottom: 2rem;
    line-height: 1.8;
    opacity: 0.9;
}

footer {
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
    border-top: 1px solid;
    color: var(--text-color);
    opacity: 0.8;
    font-size: 0.9rem;
}

@media (max-width: 1600px) {
    .container {
        max-width: 100%;
        margin: 1rem;
    }

    .forecast-grid {
        grid-template-columns: repeat(7, 250px);
        overflow-x: auto;
        scroll-padding: 1rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--accent-color) rgba(255, 255, 255, 0.1);
    }

    .forecast-grid::-webkit-scrollbar {
        height: 8px;
    }

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

    .forecast-grid::-webkit-scrollbar-thumb {
        background-color: var(--accent-color);
        border-radius: 4px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .container {
        padding: 1rem;
        margin: 0;
    }

    .forecast-grid {
        grid-template-columns: repeat(7, 85%);
        gap: 0.8rem;
    }

    .weather-item {
        font-size: 0.85rem;
        padding: 0.3rem;
    }
}