/* Dark Theme for Calculadora de Divisas */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --text-accent: #58a6ff;
    --border-color: #30363d;
    --success-color: #56d364;
    --warning-color: #e3b341;
    --error-color: #f85149;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header Styles */
.header {
    text-align: center;
    margin-bottom: 1rem;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-accent);
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Rate Cards */
.rates-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.rate-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    width: 280px;
}

.rate-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.currency-icon {
    font-size: 2.5rem;
    margin-bottom: 0rem;
}

.rate-card h2 {
    font-size: 1rem;
    margin: 0 0 0rem 0;
    color: var(--text-primary);
}

.rate-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-accent);
    margin-bottom: 0rem;
}

.currency-code {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Loading State */
.loading {
    color: var(--text-secondary);
    font-style: italic;
}

/* Info Section */
.info-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.update-line {
    width: 100%;
    text-align: center;
}

.last-updated {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.label {
    color: var(--text-secondary);
}

.timestamp {
    color: var(--text-primary);
    font-weight: 600;
}

/* Buttons */
.pure-button {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pure-button:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-accent);
}

.pure-button-primary {
    background: var(--text-accent);
    color: var(--bg-primary);
    border-color: var(--text-accent);
}

.pure-button-primary:hover {
    background: #79c0ff;
    border-color: #79c0ff;
}

.pure-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Status Text */
.status-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.status-text.success {
    color: var(--success-color);
}

.status-text.error {
    color: var(--error-color);
}

/* Converter Styles */
.converter-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.converter-container h2 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: var(--text-accent);
    font-size: 1.5rem;
}

.conversion-fields {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.input-group input {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: 6px;
    font-size: 0.9rem;
    height: 2.5rem;
    box-sizing: border-box;
}

.input-group input:focus {
    outline: none;
    border-color: var(--text-accent);
}

.swap-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.swap-icon {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-accent);
    font-size: 1.5rem;
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.swap-icon:hover {
    background: var(--text-accent);
    color: var(--bg-primary);
    transform: rotate(180deg);
}

.converter-info {
    text-align: center;
    margin-top: 1rem;
}

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

/* Footer */
.footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer a {
    color: var(--text-accent);
    text-decoration: none;
}

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

.disclaimer {
    font-size: 0.8rem;
    margin-top: 0.5rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .rates-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .info-section {
        flex-direction: column;
        text-align: center;
    }
    
    .rate-value {
        font-size: 1.5rem;
    }
    
    .converter-form {
        flex-direction: column;
        gap: 1rem;
    }
    
    .swap-container {
        order: 2;
    }
    
    .swap-icon {
        transform: rotate(90deg);
    }
    
    .swap-icon:hover {
        transform: rotate(270deg);
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.5rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .rate-card {
        padding: 1rem;
    }
    
    .currency-icon {
        font-size: 2rem;
    }
    
    .converter-container {
        padding: 1rem;
    }
}