/**
 * 按钮组件样式
 */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 1px solid var(--color-border);
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    user-select: none;
    white-space: nowrap;
}

.btn:hover:not(:disabled) {
    background: var(--color-bg-hover);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
}

/* 主按钮 - 渐变与强调 */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: var(--color-btn-text, #ffffff) !important;
    border: 1px solid var(--color-primary-dark);
    box-shadow: 0 4px 12px var(--color-primary-glow);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    box-shadow: 0 6px 16px var(--color-primary-glow);
    border-color: var(--color-primary);
}

.btn-primary:active:not(:disabled) {
    background: var(--color-primary-dark);
}

/* 成功按钮 - 渐变与强调 */
.btn-success {
    background: linear-gradient(135deg, #059669, #10b981);
    color: #ffffff !important;
    border: 1px solid #059669;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, #10b981, #34d399);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.3);
    border-color: #10b981;
}

.btn-success:active:not(:disabled) {
    background: #059669;
}

/* 次要按钮 */
.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border-light);
    color: var(--color-text-primary);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-bg-hover);
}

/* 幽灵按钮 */
.btn-ghost {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-primary);
    color: var(--color-text-primary);
}

/* 危险按钮 */
.btn-danger {
    background: var(--color-error);
    color: var(--color-btn-text, #ffffff) !important;
    border-color: var(--color-error);
}

.btn-danger:hover:not(:disabled) {
    filter: brightness(1.1);
    box-shadow: 0 4px 12px rgba(var(--color-error-rgb), 0.3);
}

/* 尺寸变体 */
.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 12px 24px;
    font-size: 1rem;
}

/* 状态变体 */
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(0.8);
}

/* 主题特定按钮增强 */
:root.theme-neon .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

:root.theme-neon .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--color-primary);
}

:root.theme-sunrise .btn-secondary {
    background: rgba(214, 90, 49, 0.1);
    border-color: rgba(214, 90, 49, 0.2);
}

:root.theme-sunrise .btn-secondary:hover {
    background: rgba(214, 90, 49, 0.2);
    border-color: var(--color-primary);
}

/* 描边按钮变体 */
.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline-primary:hover:not(:disabled) {
    background: rgba(var(--color-primary-rgb, 0, 212, 170), 0.1);
    border-color: var(--color-primary-hover);
}

.btn-outline-danger {
    background: transparent;
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

.btn-outline-danger:hover:not(:disabled) {
    background: rgba(255, 107, 107, 0.1);
}

.btn-outline-secondary {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.btn-outline-secondary:hover:not(:disabled) {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
    border-color: var(--color-primary);
}

/* 日出印象主题：提高按钮文字对比度 */
:root.theme-sunrise .btn-primary,
:root.theme-sunrise .btn-danger {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}