/* Estilos principais */
body { 
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

/* ===== BITCOIN THEME COLORS ===== */
:root {
    --bitcoin-orange: #f7931e;
    --bitcoin-dark: #4d4d4d;
    --bitcoin-light: #ff9500;
    --primary-gradient: linear-gradient(135deg, #f7931e 0%, #ff6b35 100%);
}

/* ===== LANGUAGE SELECTOR ===== */
.language-selector {
    min-width: 150px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

/* Navbar Language Selector */
.navbar .language-selector {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    backdrop-filter: blur(10px);
}

.navbar .language-selector:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
}

.navbar .language-selector:focus {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: var(--bitcoin-orange);
    color: white;
    box-shadow: 0 0 0 0.2rem rgba(247, 147, 30, 0.25);
}

.navbar .language-selector option {
    background-color: #2c3e50;
    color: white;
    padding: 0.5rem;
}

.navbar .language-selector option:hover {
    background-color: var(--bitcoin-orange);
}

/* Light Theme Language Selector */
.language-selector.light {
    background-color: white;
    border: 1px solid #dee2e6;
    color: #495057;
}

.language-selector.light:hover {
    background-color: #f8f9fa;
    border-color: var(--bitcoin-orange);
}

.language-selector.light:focus {
    border-color: var(--bitcoin-orange);
    box-shadow: 0 0 0 0.2rem rgba(247, 147, 30, 0.25);
}

/* Flag emoji adjustments */
.language-selector option {
    font-size: 1rem;
    line-height: 1.5;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .language-selector {
        min-width: 120px;
        font-size: 0.8rem;
        padding: 0.25rem 0.5rem;
    }
    
    .navbar .language-selector {
        margin-bottom: 0.5rem;
    }
}

/* ===== NAVBAR ENHANCEMENTS ===== */
.navbar {
    background: var(--primary-gradient) !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.navbar-brand i {
    color: var(--bitcoin-orange);
    filter: brightness(1.5);
}

/* ===== UTILITY CLASSES ===== */
.bg-bitcoin {
    background: var(--primary-gradient);
}

.text-bitcoin {
    color: var(--bitcoin-orange);
}

.btn-bitcoin {
    background: var(--primary-gradient);
    color: white;
    border: none;
}

.btn-bitcoin:hover {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(247, 147, 30, 0.3);
}