/* 版本导航栏基础样式 */
/* 版本头部区域 */
.version-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

/* 版本详情区域 */
.version-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

/* 日期样式 */
.version-date {
    color: #8a9ba8;
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(138, 155, 168, 0.1);
    padding: 2px 8px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

/* 悬停状态下的日期 */
.nav-item:hover .version-date {
    color: #a8d8ff;
    background: rgba(168, 216, 255, 0.15);
    transform: translateY(-1px);
}

/* 激活状态下的日期 */
.nav-item.active .version-date {
    color: #5eead4;
    background: rgba(94, 234, 212, 0.15);
    box-shadow: 0 2px 8px rgba(94, 234, 212, 0.1);
}

.update-count {
    font-weight: 500;
    color: #94a3b8;
    transition: all 0.3s ease;
}

.nav-item.active .update-count {
    color: #a8d8ff;
    font-weight: 600;
}

@media (max-width: 1200px) {
    .version-details {
        flex-wrap: wrap;
        gap: 4px;
    }

    .version-date,
    .update-count {
        font-size: 0.75rem;
    }
}

@media (max-width: 768px) {
    .version-header {
        margin-bottom: 4px;
    }

    .version-details {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }

    .version-date,
    .update-count {
        font-size: 0.7rem;
    }
}

/* 动画效果：日期显示 */
@keyframes dateFadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.version-date {
    animation: dateFadeIn 0.5s ease-out forwards;
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    .version-date {
        animation: none;
    }
}

.version-nav {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 220px;
    background: rgba(15, 23, 42, 0.95);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(94, 234, 212, 0.2);
    z-index: 1000;
    overflow: hidden;
    animation: slideInLeft 0.8s ease-out;
    transition: all 0.3s ease;
}

/* 导航栏 */
.nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.2), rgba(0, 114, 255, 0.2));
    border-bottom: 1px solid rgba(94, 234, 212, 0.1);
}

.nav-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.1rem;
    color: #5eead4;
}

.nav-header-left i {
    font-size: 1.2rem;
}

.nav-controls {
    display: flex;
    gap: 8px;
}

.nav-toggle-btn,
.nav-hide-btn,
.nav-show-btn,
.restore-btn {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(94, 234, 212, 0.2);
    color: #5eead4;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    outline: none;
}

.nav-toggle-btn:hover,
.nav-hide-btn:hover,
.nav-show-btn:hover,
.restore-btn:hover {
    background: rgba(94, 234, 212, 0.2);
    transform: scale(1.1);
    box-shadow: 0 0 10px rgba(94, 234, 212, 0.3);
}

.nav-toggle-btn:active,
.nav-hide-btn:active,
.nav-show-btn:active,
.restore-btn:active {
    transform: scale(0.95);
}

/* 导航内容区域 */
.nav-content {
    max-height: 350px;
    overflow-y: auto;
    transition: opacity 0.3s ease;
}

/* 自定义滚动条 */
.nav-content::-webkit-scrollbar {
    width: 4px;
}

.nav-content::-webkit-scrollbar-track {
    background: rgba(30, 41, 59, 0.3);
    border-radius: 2px;
}

.nav-content::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, #00c6ff, #0072ff);
    border-radius: 2px;
}

/* 导航列表项 */
.nav-list {
    margin-bottom: 10px;
}

.nav-item {
    display: block;
    padding: 12px 15px;
    margin-bottom: 10px;
    background: rgba(30, 41, 59, 0.5);
    border-radius: 10px;
    border: 1px solid transparent;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.nav-item:hover {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(94, 234, 212, 0.3);
    transform: translateX(5px);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.15), rgba(0, 114, 255, 0.15));
    border-color: rgba(0, 198, 255, 0.4);
    box-shadow: 0 5px 15px rgba(0, 114, 255, 0.2);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #00c6ff, #0072ff);
}

/* 版本信息样式 */
.version-number {
    display: block;
    font-weight: 700;
    font-size: 1.1rem;
    color: #00c6ff;
    font-family: 'Orbitron', monospace;
}

.version-type {
    display: inline-block;
    font-size: 0.8rem;
    padding: 2px 8px;
    background: rgba(0, 198, 255, 0.1);
    color: #00c6ff;
    border-radius: 10px;
    margin-top: 5px;
}

.update-count {
    display: block;
    font-size: 0.8rem;
    color: #94a3b8;
    margin-top: 5px;
}

/* 导航栏底部 */
.nav-footer {
    padding: 15px;
    border-top: 1px solid rgba(94, 234, 212, 0.1);
    text-align: center;
}

.nav-tip {
    font-size: 0.8rem;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.nav-tip i {
    color: #00c6ff;
}

/* 导航栏折叠状态 */
.version-nav.collapsed {
    width: 130px;
}

.version-nav.collapsed .nav-header-left span,
.version-nav.collapsed .nav-content,
.version-nav.collapsed .nav-footer {
    display: none;
}

.version-nav.collapsed .nav-header-left i {
    font-size: 1.5rem;
}

.version-nav.collapsed .nav-toggle-btn i {
    transform: rotate(180deg);
}

.version-nav.collapsed .nav-header-left {
    justify-content: center;
}

.version-nav.collapsed .nav-content {
    opacity: 0;
    max-height: 0;
    padding: 0;
}

/* 导航栏隐藏状态 */
.version-nav.hidden {
    transform: translateX(-100%) translateY(-50%);
    opacity: 0;
    pointer-events: none;
}

/* 显示导航按钮（当导航栏隐藏时显示） */
.nav-show-btn {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.8), rgba(0, 114, 255, 0.8));
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 25px;
    color: white;
    font-size: 1.2rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 114, 255, 0.4);
}

.nav-show-btn.visible {
    opacity: 1;
    visibility: visible;
}

.nav-show-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 114, 255, 0.6);
}

/* 恢复导航提示 */
.nav-restore-tip {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(94, 234, 212, 0.3);
    border-radius: 12px;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.nav-restore-tip.visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

.nav-restore-tip span {
    color: #94a3b8;
    font-size: 0.9rem;
}

.restore-btn {
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.2), rgba(0, 114, 255, 0.2));
    border: 1px solid rgba(0, 198, 255, 0.4);
    width: auto;
    height: auto;
    padding: 6px 15px;
    border-radius: 20px;
    color: #00c6ff;
    font-size: 0.9rem;
    font-weight: 600;
}

.restore-btn:hover {
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.3), rgba(0, 114, 255, 0.3));
}

/* 当前版本指示器 */
.current-version-indicator {
    position: fixed;
    left: 250px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 198, 255, 0.1);
    padding: 10px 15px;
    border-radius: 10px;
    border: 1px solid rgba(0, 198, 255, 0.3);
    color: #00c6ff;
    font-size: 0.9rem;
    z-index: 999;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.current-version-indicator.show {
    opacity: 1;
    left: 240px;
}

.current-version-indicator strong {
    color: #5eead4;
    font-weight: 700;
}

/* 导航栏状态指示器 */
.nav-status-indicator {
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 30px;
    background: linear-gradient(to bottom, #00c6ff, #0072ff);
    border-radius: 3px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.version-nav:hover .nav-status-indicator {
    opacity: 1;
}

/* ============================================
   动画效果
   ============================================ */

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100%) translateY(-50%);
    }

    to {
        opacity: 1;
        transform: translateX(0) translateY(-50%);
    }
}

@keyframes slideOutToLeft {
    from {
        opacity: 1;
        transform: translateX(0) translateY(-50%);
    }

    to {
        opacity: 0;
        transform: translateX(-100%) translateY(-50%);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 5px 15px rgba(0, 114, 255, 0.4);
    }

    50% {
        box-shadow: 0 8px 25px rgba(0, 114, 255, 0.6);
    }
}

.nav-show-btn.pulsing {
    animation: pulse 2s ease-in-out infinite;
}

/* 导航项入场动画 */
.nav-item:nth-child(1) {
    animation: fadeInUp 0.5s ease 0.1s backwards;
}

.nav-item:nth-child(2) {
    animation: fadeInUp 0.5s ease 0.2s backwards;
}

.nav-item:nth-child(3) {
    animation: fadeInUp 0.5s ease 0.3s backwards;
}

.nav-item:nth-child(4) {
    animation: fadeInUp 0.5s ease 0.4s backwards;
}

/* ============================================
   响应式设计
   ============================================ */

/* 大屏幕调整 */
@media (max-width: 1200px) {
    .version-nav {
        left: 10px;
        width: 200px;
    }

    .current-version-indicator {
        left: 220px;
    }

    .current-version-indicator.show {
        left: 210px;
    }
}

/* 中等屏幕 */
@media (max-width: 992px) {
    .version-nav {
        position: relative;
        top: 0;
        left: 0;
        transform: none;
        width: 100%;
        margin-bottom: 30px;
        animation: fadeInUp 0.8s ease;
    }

    .version-nav.hidden {
        transform: translateX(-100%);
        position: fixed;
        z-index: 1000;
        top: 0;
        left: 0;
        height: 100vh;
        margin: 0;
        transition: transform 0.4s ease;
    }

    .nav-content {
        max-height: 200px;
    }

    .nav-show-btn {
        top: 20px;
        left: 20px;
        transform: none;
        z-index: 999;
    }

    .nav-show-btn.visible {
        opacity: 1;
        visibility: visible;
    }

    .nav-restore-tip {
        top: 80px;
        width: 90%;
        max-width: 400px;
        flex-direction: column;
        text-align: center;
    }

    .current-version-indicator {
        display: none;
    }
}

/* 小屏幕（平板） */
@media (max-width: 768px) {
    .version-nav.collapsed {
        width: 100%;
        height: auto;
    }

    .version-nav.collapsed .nav-content {
        display: none;
    }

    .nav-header {
        padding: 12px 15px;
    }

    .nav-content {
        max-height: 180px;
    }

    .nav-show-btn {
        width: 45px;
        height: 45px;
    }

    .nav-item {
        padding: 10px 12px;
        margin-bottom: 8px;
    }

    .nav-footer {
        padding: 12px;
    }

    .nav-restore-tip {
        top: 70px;
        padding: 12px 15px;
    }
}

/* 超小屏幕（手机） */
@media (max-width: 576px) {
    .version-nav {
        border-radius: 12px;
    }

    .nav-header-left {
        font-size: 1rem;
    }

    .nav-content {
        padding: 12px;
        max-height: 150px;
    }

    .nav-show-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        left: 15px;
        top: 15px;
    }

    .nav-item {
        padding: 8px 10px;
    }

    .version-number {
        font-size: 1rem;
    }

    .version-type {
        font-size: 0.75rem;
        padding: 2px 6px;
    }

    .update-count {
        font-size: 0.75rem;
    }

    .nav-tip {
        font-size: 0.75rem;
    }

    .nav-restore-tip {
        width: 95%;
        padding: 10px 12px;
        gap: 10px;
    }

    .nav-restore-tip span {
        font-size: 0.85rem;
    }

    .restore-btn {
        padding: 5px 12px;
        font-size: 0.85rem;
    }
}

/* 横屏模式 */
@media (max-height: 600px) and (orientation: landscape) {
    .version-nav {
        top: 20px;
        transform: none;
        max-height: 80vh;
    }

    .nav-content {
        max-height: 200px;
    }

    .nav-show-btn {
        top: 20px;
        transform: none;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .version-nav {
        border: 2px solid #00c6ff;
        background: rgba(15, 23, 42, 1);
    }

    .nav-header {
        border-bottom: 2px solid #00c6ff;
    }

    .nav-item {
        border: 1px solid #94a3b8;
    }

    .nav-item.active {
        border: 2px solid #00c6ff;
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {

    .version-nav,
    .nav-item,
    .nav-toggle-btn,
    .nav-hide-btn,
    .nav-show-btn,
    .restore-btn,
    .current-version-indicator,
    .nav-restore-tip {
        transition: none;
        animation: none;
    }

    .nav-show-btn.pulsing {
        animation: none;
    }
}

/* 打印样式 */
@media print {

    .version-nav,
    .nav-show-btn,
    .nav-restore-tip,
    .current-version-indicator {
        display: none !important;
    }
}