/* ==================== 底部导航栏修复样式 ==================== */
/* 专门修复底部导航栏的显示问题 */

/* 重置底部导航栏样式，确保正确显示 */
.bottom-nav {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    max-width: min(430px, 100vw) !important; /* 修改为430px，与#app容器一致 */
    margin: 0 auto !important;
    display: flex !important;
    justify-content: space-around !important;
    align-items: center !important;
    min-height: 64px !important;
    padding: 6px 0 calc(6px + env(safe-area-inset-bottom, 0px)) !important;
    background: var(--card-bg, rgba(255, 255, 255, 0.95)) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    border-top: 1px solid var(--border-color, #e2e8f0) !important;
    z-index: 2000 !important;
    transform: translateZ(0) !important;
    box-sizing: border-box !important;
}

/* 修复导航项样式 */
.bottom-nav .nav-item {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    flex: 1 !important;
    height: 100% !important;
    text-decoration: none !important;
    color: var(--text-tertiary, #94a3b8) !important;
    font-size: 12px !important;
    font-weight: 500 !important;
    transition: all 0.3s ease !important;
    padding: 8px 4px !important;
    margin: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    position: relative !important;
}

/* 修复图标显示 */
.bottom-nav .nav-item i {
    font-size: 20px !important;
    margin-bottom: 4px !important;
    line-height: 1 !important;
    display: block !important;
    width: auto !important;
    height: auto !important;
}

/* 修复文字显示 */
.bottom-nav .nav-item span:not(.unread-dot) {
    font-size: 11px !important;
    line-height: 1.2 !important;
    white-space: nowrap !important;
    display: block !important;
}

/* 激活状态样式 */
.bottom-nav .nav-item.active {
    color: var(--primary-600, #5a6fd8) !important;
    background: transparent !important;
}

.bottom-nav .nav-item.active i {
    color: var(--primary-600, #5a6fd8) !important;
    transform: scale(1.1) !important;
}

/* 悬停效果 */
.bottom-nav .nav-item:hover {
    color: var(--primary-600, #5a6fd8) !important;
    background: rgba(102, 126, 234, 0.05) !important;
    border-radius: 8px !important;
}

.bottom-nav .nav-item:hover i {
    transform: scale(1.05) !important;
}

/* 修复Font Awesome图标显示 */
.bottom-nav .nav-item i.fas,
.bottom-nav .nav-item i.far,
.bottom-nav .nav-item i.fab {
    font-family: "Font Awesome 6 Free", "Font Awesome 6 Pro", "Font Awesome 6 Brands" !important;
    font-weight: 900 !important;
    font-style: normal !important;
}

/* 确保图标正确映射 */
.bottom-nav .nav-item i.fa-home::before {
    content: "\f015" !important;
}

.bottom-nav .nav-item i.fa-trophy::before {
    content: "\f091" !important;
}

.bottom-nav .nav-item i.fa-list::before {
    content: "\f03a" !important;
}

.bottom-nav .nav-item i.fa-user::before {
    content: "\f007" !important;
}

.bottom-nav .nav-item i.fa-wallet::before {
    content: "\f555" !important;
}

.bottom-nav .nav-item i.fa-bell::before {
    content: "\f0f3" !important;
}

.bottom-nav .nav-item i.fa-calendar-check::before {
    content: "\f274" !important;
}

.bottom-nav .nav-item i.fa-users::before {
    content: "\f0c0" !important;
}

.bottom-nav .nav-item i.fa-newspaper::before {
    content: "\f1ea" !important;
}

/* 未读消息红点样式 */
.bottom-nav .nav-item .unread-dot {
    position: absolute !important;
    top: 8px !important;
    right: calc(50% - 8px) !important;
    width: 8px !important;
    height: 8px !important;
    background: #ff3b30 !important;
    border-radius: 50% !important;
    border: 2px solid white !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3) !important;
    z-index: 1 !important;
}

/* 为主内容区域添加底部边距 */
main {
    padding-bottom: 100px !important;
}

.page-container {
    margin-bottom: 90px !important;
}

/* 响应式适配 */
@media (max-width: 480px) {
    .bottom-nav {
        height: 70px !important;
    }
    
    .bottom-nav .nav-item {
        padding: 6px 2px !important;
    }
    
    .bottom-nav .nav-item i {
        font-size: 18px !important;
    }
    
    .bottom-nav .nav-item span {
        font-size: 10px !important;
    }
}

/* 确保在iPhone等设备上正确显示 */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .bottom-nav {
        padding-bottom: env(safe-area-inset-bottom) !important;
        height: calc(80px + env(safe-area-inset-bottom)) !important;
    }
}

@supports (padding-bottom: constant(safe-area-inset-bottom)) {
    .bottom-nav {
        padding-bottom: constant(safe-area-inset-bottom) !important;
        height: calc(80px + constant(safe-area-inset-bottom)) !important;
    }
}

/* 修复可能的图标字体冲突 */
.bottom-nav .nav-item i:not(.fas):not(.far):not(.fab) {
    font-family: "Font Awesome 6 Free" !important;
    font-weight: 900 !important;
}

/* 确保导航栏在所有情况下都可见 */
.bottom-nav {
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

/* ==================== 顶部 LOGO 区域 ==================== */
.app-header {
    position: sticky;
    top: 0;
    z-index: 1800;
    width: 100%;
    background: #ffffff;
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.08);
}

.app-header__inner {
    max-width: 600px;
    margin: 0 auto;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.app-header .fitchallenge-logo {
    text-decoration: none;
    gap: 10px;
    align-items: center;
}

.app-header .fitchallenge-logo .logo-icon {
    width: 36px;
    height: 36px;
}

.app-header .fitchallenge-logo .fist-infinity-icon {
    font-size: 0;
}

.app-header .fitchallenge-logo .fist-icon {
    font-size: 22px;
    color: #ff6b35;
    filter: drop-shadow(0 2px 4px rgba(255, 107, 53, 0.35));
}

.app-header .fitchallenge-logo .infinity-bg {
    font-size: 30px;
    color: #ff6b35;
    opacity: 0.55;
}

.app-header .fitchallenge-logo .logo-text {
    font-family: 'Bebas Neue', 'Montserrat', 'Segoe UI', sans-serif;
    font-size: 24px;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    line-height: 1;
}

.app-header .fitchallenge-logo .logo-text .fit {
    color: #ff6b35;
    margin-right: 2px;
}

.app-header .fitchallenge-logo .logo-text .challenge {
    color: #2d3748;
}

.app-header .fitchallenge-logo:focus-visible {
    outline: 2px solid rgba(255, 107, 53, 0.35);
    outline-offset: 4px;
}

/* 修复可能的布局问题 */
.app {
    position: relative !important;
}

/* 确保底部导航不被其他元素覆盖 */
.bottom-nav {
    isolation: isolate !important;
}

/* 添加平滑的激活动画 */
.bottom-nav .nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary-600, #5a6fd8);
    border-radius: 1px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 20px;
        opacity: 1;
    }
}

/* 修复文字显示问题 */
.bottom-nav .nav-item span:not(.unread-dot) {
    color: inherit !important;
    font-family: var(--font-family, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif) !important;
}

/* 确保在深色模式下也能正确显示 */
@media (prefers-color-scheme: dark) {
    .bottom-nav {
        background: rgba(28, 28, 30, 0.95) !important;
        border-top-color: rgba(84, 84, 88, 0.6) !important;
    }
    
    .bottom-nav .nav-item {
        color: rgba(235, 235, 245, 0.6) !important;
    }
    
    .bottom-nav .nav-item.active {
        color: #007AFF !important;
    }
    
    .bottom-nav .nav-item.active i {
        color: #007AFF !important;
    }
}

/* 修复可能的层叠问题 */
.bottom-nav .nav-item * {
    pointer-events: none !important;
}

.bottom-nav .nav-item {
    pointer-events: auto !important;
}

.page-container,
.container {
    padding-bottom: calc(102px + env(safe-area-inset-bottom, 0)) !important;
}

body {
    padding-bottom: calc(88px + env(safe-area-inset-bottom, 0px));
}

.app {
    min-height: 100vh;
    width: 100%;
    background: var(--ios-background);
}

.app main {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: calc(88px + env(safe-area-inset-bottom, 0px));
}

.app main::-webkit-scrollbar {
    display: none;
}

.page-wrapper,
.page-content,
.container {
    min-height: auto;
}