/**
 * Grand Archive 按钮样式
 * 包含基础按钮、主要按钮、次要按钮、危险按钮等
 */

.btn {
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius-md, 10px);
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: var(--font-weight-semibold, 600);
    transition: all var(--transition-normal, 0.3s ease);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.1;
    box-sizing: border-box;
    vertical-align: middle;
    white-space: nowrap;
}

a.btn,
button.btn,
input.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.1;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-gold {
    background: linear-gradient(135deg, #ffd700 0%, #ffaa00 100%);
    color: #1a1a2e;
}

.btn-gold:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #ff4d4f 0%, #cf1322 100%);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 77, 79, 0.4);
}

.btn-outline {
    background: transparent;
    color: #667eea;
    border: 1px solid #667eea;
}

.btn-outline:hover:not(:disabled) {
    background: rgba(102, 126, 234, 0.1);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.8rem 1.6rem;
    font-size: 1rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

a.btn.btn-block,
button.btn.btn-block,
input.btn.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    padding: 0.5rem;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 480px) {
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .btn-sm {
        padding: 0.3rem 0.6rem;
        font-size: 0.75rem;
    }
    
    .btn-lg {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}