/* ============================================
   Top Bar 组件样式
   版本: 1.0.0
   描述: 顶部导航栏组件的完整样式定义
   ============================================ */

/* ============================================
   1. Top Bar 基础容器
   ============================================ */

/* 1.1 基础版 - 简洁白底导航栏 */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    /* 上12px 右24px 下6px 左24px */
    padding: 12px 24px 6px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    /* background: white; */
    background: transparent;
    /* box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.05)); */
    flex-shrink: 0;
    z-index: 10;
    gap: 16px;
}

/* 1.2 高级版 - 毛玻璃效果导航栏 */
.top-bar.premium {
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    z-index: 100;
    gap: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03), 0 4px 12px rgba(28, 159, 255, 0.05);
}

.top-bar.premium::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 32px;
    right: 32px;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--primary) 20%, var(--primary-hover) 50%, var(--primary) 80%, transparent 100%);
    opacity: 0.6;
}

/* 1.3 滚动状态 */
.top-bar.scrolled {
    box-shadow: var(--shadow-md, 0 4px 12px rgba(0, 0, 0, 0.08));
}

/* ============================================
   2. Top Bar 左侧区域
   ============================================ */

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

/* ============================================
   3. Top Bar 标题
   ============================================ */

.top-bar-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary, #212529);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.top-bar-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--primary);
    border-radius: 2px;
    flex-shrink: 0;
}

/* 高级版标题样式 */
.top-bar.premium .top-bar-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.top-bar.premium .top-bar-title::before {
    width: 5px;
    height: 22px;
}

/* ============================================
   4. Top Bar 右侧操作区域
   ============================================ */

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* ============================================
   5. Top Bar 操作按钮基础样式
   ============================================ */

.top-bar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border-color, #e9ecef);
    border-radius: var(--radius-sm, 8px);
    background: white;
    color: var(--text-secondary, #495057);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast, 0.2s ease);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.05));
    white-space: nowrap;
    text-decoration: none;
    user-select: none;
    -webkit-user-select: none;
}

/* 5.1 按钮图标 */
.top-bar-btn svg,
.top-bar-btn i {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    fill: none;
    flex-shrink: 0;
}

/* 5.2 悬停状态 */
.top-bar-btn:hover {
    background: var(--primary-light, rgba(30, 159, 255, 0.08));
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md, 0 4px 12px rgba(0, 0, 0, 0.08));
}

/* 5.3 点击/激活状态 */
.top-bar-btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.05));
}

/* 5.4 禁用状态 */
.top-bar-btn:disabled,
.top-bar-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.top-bar-btn:disabled:hover,
.top-bar-btn.disabled:hover {
    background: white;
    border-color: var(--border-color, #e9ecef);
    color: var(--text-secondary, #495057);
    transform: none;
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.05));
}

/* 5.5 次要按钮变体 */
.top-bar-btn.btn-secondary {
    background: var(--bg-light, #f8f9fa);
    border-color: transparent;
}

.top-bar-btn.btn-secondary:hover {
    background: var(--primary-light, rgba(30, 159, 255, 0.08));
    border-color: var(--primary);
}

/* 5.6 主要按钮变体 */
.top-bar-btn.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.top-bar-btn.btn-primary:hover {
    background: var(--primary-dark, #1886d7);
    border-color: var(--primary-dark, #1886d7);
    color: white;
}

/* 5.7 危险按钮变体 */
.top-bar-btn.btn-danger {
    color: #dc3545;
    border-color: #dc3545;
}

.top-bar-btn.btn-danger:hover {
    background: #dc3545;
    color: white;
}

/* 5.8 图标按钮（仅图标） */
.top-bar-btn.icon-only {
    padding: 8px;
    min-width: 36px;
    min-height: 36px;
}

.top-bar-btn.icon-only svg,
.top-bar-btn.icon-only i {
    width: 18px;
    height: 18px;
}

/* ============================================
   6. 汉堡菜单按钮
   ============================================ */

.ys-hamburger-btn {
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1001;
    width: 48px;
    height: 48px;
    background: var(--primary, #1e9fff);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(30, 159, 255, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0;
    flex-shrink: 0;
}

/* 6.1 汉堡菜单悬停状态 */
.ys-hamburger-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(30, 159, 255, 0.4);
}

/* 6.2 汉堡菜单点击状态 */
.ys-hamburger-btn:active {
    transform: scale(0.95);
}

/* 6.3 汉堡菜单图标容器 */
.ys-hamburger-btn .ys-hamburger-icon {
    width: 24px;
    height: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    position: relative;
}

/* 6.4 汉堡菜单线条 */
.ys-hamburger-btn .ys-hamburger-icon .ys-hamburger-bar {
    display: block;
    width: 20px;
    height: 2px;
    background: white;
    border-radius: 1px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

/* 6.5 汉堡菜单激活状态（X 形状） */
.ys-hamburger-btn.active .ys-hamburger-icon .ys-hamburger-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.ys-hamburger-btn.active .ys-hamburger-icon .ys-hamburger-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.ys-hamburger-btn.active .ys-hamburger-icon .ys-hamburger-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 6.6 汉堡菜单显示控制（全设备显示） */
@media (min-width: 768px) and (max-width: 1023px) {
    .ys-hamburger-btn {
        display: flex !important;
        position: relative !important;
        top: auto !important;
        left: auto !important;
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }
}

/* 桌面端也显示汉堡菜单 */
@media (min-width: 1024px) {
    .ys-hamburger-btn {
        display: flex !important;
        position: relative !important;
        top: auto !important;
        left: auto !important;
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }
}

/* ============================================
   7. 响应式适配
   ============================================ */

/* 7.1 平板设备 */
@media (max-width: 1023px) {
    .top-bar {
        padding: 12px 20px;
    }

    .top-bar.premium {
        padding: 14px 24px;
    }

    .top-bar.premium::after {
        left: 24px;
        right: 24px;
    }

    .top-bar-title {
        font-size: 16px;
    }

    .top-bar.premium .top-bar-title {
        font-size: 18px;
    }

    .top-bar-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
}

/* 7.2 移动设备 */
@media (max-width: 767px) {
    .top-bar {
        padding: 10px 16px;
    }

    .top-bar.premium {
        padding: 12px 16px;
    }

    .top-bar.premium::after {
        left: 16px;
        right: 16px;
    }

    .top-bar-title {
        font-size: 16px;
    }

    .top-bar.premium .top-bar-title {
        font-size: 16px;
        font-weight: 600;
        letter-spacing: normal;
    }

    .top-bar.premium .top-bar-title::before {
        width: 4px;
        height: 20px;
    }

    .top-bar-left {
        gap: 8px;
    }

    .top-bar-actions {
        gap: 8px;
    }

    /* 移动端按钮简化 */
    .top-bar-btn {
        padding: 6px 10px;
        font-size: 12px;
    }

    .top-bar-btn .btn-text {
        display: none;
    }

    .top-bar-btn.icon-only {
        padding: 6px;
        min-width: 32px;
        min-height: 32px;
    }

    /* 汉堡菜单显示 */
    .ys-hamburger-btn {
        display: flex !important;
        position: relative !important;
        top: auto !important;
        left: auto !important;
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }

    .ys-hamburger-btn .ys-hamburger-icon {
        width: 20px;
        height: 20px;
        gap: 4px;
    }

    .ys-hamburger-btn .ys-hamburger-icon .ys-hamburger-bar {
        width: 18px;
        height: 2px;
    }

    .ys-hamburger-btn.active .ys-hamburger-icon .ys-hamburger-bar:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .ys-hamburger-btn.active .ys-hamburger-icon .ys-hamburger-bar:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }
}

/* 7.3 小屏移动设备 */
@media (max-width: 767px) {
    .top-bar {
        padding: 8px 12px;
    }

    .top-bar.premium {
        padding: 10px 12px;
    }

    .top-bar-title {
        font-size: 14px;
    }

    .top-bar-title::before {
        width: 3px;
        height: 16px;
    }

    .top-bar-actions {
        gap: 6px;
    }

    .top-bar-btn {
        padding: 4px 8px;
        font-size: 11px;
    }

    .ys-hamburger-btn {
        width: 36px;
        height: 36px;
        border-radius: 8px;
    }

    .ys-hamburger-btn .ys-hamburger-icon {
        width: 18px;
        height: 18px;
    }

    .ys-hamburger-btn .ys-hamburger-icon .ys-hamburger-bar {
        width: 16px;
        height: 1.5px;
    }
}

/* ============================================
   8. 辅助类
   ============================================ */

/* 8.1 固定顶部间距补偿（页面内容需要添加此间距） */
.has-top-bar {
    padding-top: 60px;
}

.has-top-bar.premium {
    padding-top: 80px;
}

/* 8.2 按钮组布局 */
.top-bar-btn-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 8.3 按钮分隔线 */
.top-bar-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color, #e9ecef);
    margin: 0 4px;
}

/* 8.4 按钮加载状态 */
.top-bar-btn.loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.top-bar-btn.loading::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: top-bar-spin 0.6s linear infinite;
}

@keyframes top-bar-spin {
    to {
        transform: rotate(360deg);
    }
}