/* Gold Calculator - Main Stylesheet */

:root {
    --gold-primary: #D4AF37;
    --gold-secondary: #FFD700;
    --gold-dark: #B8860B;
    --gold-light: #FFF8DC;
    --silver-primary: #C0C0C0;
    --silver-dark: #A9A9A9;
    --platinum-primary: #E5E4E2;
    --platinum-dark: #9F9F9D;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

/* Header Styles */
.navbar-brand {
    display: flex;
    align-items: center;
    font-weight: bold;
    font-size: 1.5rem;
}

.gold-icon {
    color: #FFD700;
    font-size: 1.5rem;
    margin-right: 10px;
}

.silver-icon {
    color: var(--silver-primary);
    margin-right: 8px;
}

.platinum-icon {
    color: var(--platinum-primary);
    margin-right: 8px;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)), url('../images/gold-background.jpg');
    background-size: cover;
    background-position: center;
    padding: 5rem 0;
}

/* Gold Price Display */
.gold-price-display {
    background-color: var(--gold-light);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 2rem auto;
    max-width: 500px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.price-box {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold-dark);
    margin: 1rem 0;
}

.gold-price {
    color: var(--gold-dark);
}

.silver-price {
    color: var(--silver-dark);
}

.platinum-price {
    color: var(--platinum-dark);
}

.price-change {
    font-size: 1.2rem;
    margin-top: 0.5rem;
}

/* Feature Boxes */
.feature-box {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    height: 100%;
    transition: transform 0.3s ease;
}

.feature-box:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--gold-primary);
}

/* How It Works */
.step-box {
    position: relative;
    padding: 1rem;
}

.step-number {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    background-color: var(--gold-primary);
    color: white;
    border-radius: 50%;
    text-align: center;
    font-weight: bold;
    margin-bottom: 1rem;
}

/* Calculator Specific Styles */
.calculator-section {
    background-color: #f9f9f9;
}

.calculator-form .card {
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.value-display {
    background-color: var(--gold-light);
    border-color: var(--gold-primary) !important;
}

#gold-value {
    color: var(--gold-dark);
    font-weight: 700;
}

/* Button Styles */
.btn-primary {
    background-color: var(--gold-primary);
    border-color: var(--gold-dark);
}

.btn-primary:hover {
    background-color: var(--gold-dark);
    border-color: var(--gold-dark);
}

.btn-outline-primary {
    color: var(--gold-primary);
    border-color: var(--gold-primary);
}

.btn-outline-primary:hover {
    background-color: var(--gold-primary);
    border-color: var(--gold-primary);
}

/* Tips Section */
.tips-section .card {
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    height: 100%;
}

.tips-section .card-title {
    color: var(--gold-dark);
    border-bottom: 2px solid var(--gold-light);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

/* About Page */
.about-hero {
    background-color: var(--gold-light);
    padding: 4rem 0;
}

.about-content .card {
    margin-bottom: 2rem;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.about-content .card-title {
    color: var(--gold-dark);
    border-bottom: 2px solid var(--gold-light);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

/* Market Charts Page */
.market-hero {
    background-color: var(--gold-light);
    padding: 3rem 0;
}

.chart-section .card {
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.chart-section .card-header {
    background-color: #fff;
    border-bottom: 2px solid var(--gold-light);
    padding: 1rem 1.5rem;
}

.chart-container {
    padding: 1rem;
}

.time-range-btn.active {
    background-color: var(--gold-primary);
    border-color: var(--gold-primary);
    color: white;
}

.form-check-input:checked {
    background-color: var(--gold-primary);
    border-color: var(--gold-primary);
}

/* Metal Icons in Chart Legend */
.form-check-label .gold-icon {
    color: var(--gold-primary);
}

.form-check-label .silver-icon {
    color: var(--silver-primary);
}

.form-check-label .platinum-icon {
    color: var(--platinum-primary);
}

/* Alert Section */
.alert-section {
    background-color: #f9f9f9;
}

/* Footer */
footer {
    background-color: #333;
}

footer a {
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .price-box {
        font-size: 2rem;
    }
    
    .hero-section {
        padding: 3rem 0;
    }
    
    .feature-box {
        margin-bottom: 1.5rem;
    }
    
    .chart-section .card-header {
        padding: 1rem;
    }
    
    .time-range-btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 576px) {
    .gold-price-display {
        padding: 1rem;
    }
    
    .price-box {
        font-size: 1.8rem;
    }
    
    .step-box {
        margin-bottom: 2rem;
    }
    
    .chart-container {
        height: 50vh !important;
    }
    
    .time-range-btn {
        padding: 0.2rem 0.4rem;
        font-size: 0.75rem;
    }
} 

/* 添加logo样式 */
.logo-img {
    height: 40px;
    margin-right: 10px;
}