/* =========================================
   TIKTOK VIEW - LOW SATURATION WHITE THEME
   ========================================= */

/* Main View Container */
.tiktok-view {
    --tk-safe-top: var(--safe-top);
    --tk-header-height: 44px;
    --tk-top-offset: calc(var(--tk-safe-top) + var(--tk-header-height));
    --tk-bottom-nav-height: 52px;
    --tk-bottom-nav-offset: calc(12px + var(--safe-bottom));
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.3s ease;
    border-radius: 0;
    overflow: hidden;
    color: #333333;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.tiktok-view.active {
    transform: translateY(0);
    opacity: 1;
}

/* Tabs System */
.tk-main-content {
    flex: 1;
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow: hidden;
    display: flex;
}

.tk-tab-content {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 0;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
    background-color: #ffffff;
    transition: transform 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.tk-tab-content.active {
    /* No longer using display block/none for active */
}

/* --- BOTTOM NAV (Floating & Low Saturation) --- */
.tk-bottom-nav-container {
    position: absolute;
    bottom: var(--tk-bottom-nav-offset);
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    z-index: 200;
}

.tk-bottom-nav {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    padding: 4px; 
    border-radius: 40px; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    position: relative;
    width: auto; 
    min-width: 240px;
    justify-content: space-between;
    align-items: stretch; 
    height: var(--tk-bottom-nav-height);
    gap: 0; 
}

.tk-nav-indicator {
    position: absolute;
    top: 4px; 
    bottom: 4px; 
    background-color: rgba(0, 0, 0, 0.06);
    border-radius: 36px; 
    z-index: 0;
    transition: left 0.3s cubic-bezier(0.25, 1, 0.5, 1), width 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    left: 4px; 
}

.tk-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    color: #8e8e93; 
    cursor: pointer;
    z-index: 1;
    padding: 0 20px;
    height: 100%;
    transition: color 0.3s;
}

.tk-nav-item i {
    font-size: 20px;
    margin-bottom: 0;
}

.tk-nav-item span {
    display: block;
    font-size: 10px;
    font-weight: 500;
}

.tk-nav-item.active {
    color: #0f0f0f;
}

/* --- HOME TAB --- */
.tk-home-topbar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: calc(var(--tk-safe-top) + var(--tk-header-height));
    padding-top: var(--tk-safe-top);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
    z-index: 10;
    color: #111111;
}

.tk-topbar-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    font-size: 16px;
    font-weight: 600;
    color: #999999;
}

.tk-topbar-tab.active {
    color: #111111;
    position: relative;
}

.tk-topbar-tab.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background-color: #111111;
    border-radius: 2px;
}

.tk-topbar-left i, .tk-topbar-right i {
    font-size: 20px;
    cursor: pointer;
}

.tk-feed-container {
    flex: 1;
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
    padding-top: var(--tk-top-offset);
    box-sizing: border-box;
    background: #f8f8f8;
}

.tk-feed-container::-webkit-scrollbar {
    display: none;
}

.tk-empty-feed {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: #ffffff;
    scroll-snap-align: start;
}

.tk-magic-btn-large {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    cursor: pointer;
    border: 1px solid #d0d0d0;
}

.tk-magic-btn-large i {
    font-size: 32px;
}

/* Video Card (Text Based) */
.tk-video-card {
    width: 100%;
    height: 100%;
    position: relative;
    scroll-snap-align: start;
    background: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid #f0f0f0;
}

.tk-video-text-content {
    width: 100%;
    height: 100%;
    font-size: 18px;
    line-height: 1.6;
    color: #333333;
    text-align: center;
    padding: 0;
    background: transparent;
    border-radius: 0;
    font-weight: 500;
    box-shadow: none;
}

.tk-bubble-flow {
    position: relative;
    z-index: 2;
    width: min(86%, 340px);
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(-5vh);
    pointer-events: none;
}

.tk-bubble-flow-item {
    position: absolute;
    max-width: 100%;
    color: #fff;
    background: var(--tk-flow-bg, #111);
    border-radius: 22px;
    padding: 18px 22px;
    font-size: 16px;
    line-height: 1.62;
    font-weight: 520;
    text-align: left;
    word-break: break-word;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.18) !important;
    opacity: 0;
    transform: translateY(16px) scale(0.98);
    animation: tkBubbleFlow var(--tk-flow-total, 10s) ease-in-out infinite;
    animation-delay: calc(var(--tk-flow-index, 0) * 3.4s);
}

.tk-bubble-flow-fallback {
    background: #111;
    color: #fff;
    padding: 20px 24px;
    border-radius: 20px;
    max-width: 85%;
    font-size: 16px;
    line-height: 1.6;
    font-weight: 500;
    transform: translateY(-5vh);
}

@keyframes tkBubbleFlow {
    0%, 7% {
        opacity: 0;
        transform: translateY(16px) scale(0.98);
    }
    13%, 30% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    38%, 100% {
        opacity: 0;
        transform: translateY(-12px) scale(0.99);
    }
}

.tk-feed-visual {
    width: 100%;
    aspect-ratio: 3 / 4;
    position: absolute;
    top: 45%;
    transform: translateY(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.tk-feed-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tk-feed-image-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.06), rgba(0,0,0,0.18));
    pointer-events: none;
}

.tk-feed-progress {
    position: absolute;
    left: 15px;
    right: 15px;
    bottom: calc(72px + var(--safe-bottom));
    z-index: 6;
    display: flex;
    gap: 4px;
    height: 3px;
    pointer-events: none;
}

.tk-feed-progress span {
    display: block;
    height: 100%;
    border-radius: 999px;
    background: rgba(0,0,0,0.16);
    overflow: hidden;
}

.tk-feed-progress-video span {
    width: 100%;
}

.tk-feed-progress-video span::after {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    background: rgba(0,0,0,0.72);
    transform-origin: left center;
    animation: tkFeedVideoProgress var(--tk-progress-duration, 9500ms) linear infinite;
}

.tk-feed-progress-segments span {
    flex: 1;
    position: relative;
}

.tk-feed-progress-segments span::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: rgba(0,0,0,0.72);
    transform: scaleX(0);
    transform-origin: left center;
    animation: tkFeedSegmentProgress var(--tk-progress-duration, 9600ms) linear infinite;
    animation-delay: calc((var(--tk-progress-duration, 9600ms) / var(--tk-segment-count, 3)) * var(--tk-segment-index, 0));
}

.tk-feed-progress-segments span.active,
.tk-feed-progress-segments span:first-child {
    background: rgba(0,0,0,0.16);
}

@keyframes tkFeedVideoProgress {
    0% { transform: scaleX(0); }
    88% { transform: scaleX(1); }
    100% { transform: scaleX(0); }
}

@keyframes tkFeedSegmentProgress {
    0% { transform: scaleX(0); opacity: 1; }
    24% { transform: scaleX(1); opacity: 1; }
    30% { transform: scaleX(1); opacity: 1; }
    31% { transform: scaleX(0); opacity: 0; }
    100% { transform: scaleX(0); opacity: 0; }
}

.tk-feed-progress-count-2 span:nth-child(1)::after { animation-name: tkFeedSeg2A; animation-delay: 0ms; }
.tk-feed-progress-count-2 span:nth-child(2)::after { animation-name: tkFeedSeg2B; animation-delay: 0ms; }
.tk-feed-progress-count-3 span:nth-child(1)::after { animation-name: tkFeedSeg3A; animation-delay: 0ms; }
.tk-feed-progress-count-3 span:nth-child(2)::after { animation-name: tkFeedSeg3B; animation-delay: 0ms; }
.tk-feed-progress-count-3 span:nth-child(3)::after { animation-name: tkFeedSeg3C; animation-delay: 0ms; }
.tk-feed-progress-count-4 span:nth-child(1)::after { animation-name: tkFeedSeg4A; animation-delay: 0ms; }
.tk-feed-progress-count-4 span:nth-child(2)::after { animation-name: tkFeedSeg4B; animation-delay: 0ms; }
.tk-feed-progress-count-4 span:nth-child(3)::after { animation-name: tkFeedSeg4C; animation-delay: 0ms; }
.tk-feed-progress-count-4 span:nth-child(4)::after { animation-name: tkFeedSeg4D; animation-delay: 0ms; }
.tk-feed-progress-count-5 span:nth-child(1)::after { animation-name: tkFeedSeg5A; animation-delay: 0ms; }
.tk-feed-progress-count-5 span:nth-child(2)::after { animation-name: tkFeedSeg5B; animation-delay: 0ms; }
.tk-feed-progress-count-5 span:nth-child(3)::after { animation-name: tkFeedSeg5C; animation-delay: 0ms; }
.tk-feed-progress-count-5 span:nth-child(4)::after { animation-name: tkFeedSeg5D; animation-delay: 0ms; }
.tk-feed-progress-count-5 span:nth-child(5)::after { animation-name: tkFeedSeg5E; animation-delay: 0ms; }

@keyframes tkFeedSeg2A { 0%{transform:scaleX(0);opacity:1;} 46%{transform:scaleX(1);opacity:1;} 50%,100%{transform:scaleX(0);opacity:0;} }
@keyframes tkFeedSeg2B { 0%,50%{transform:scaleX(0);opacity:0;} 96%{transform:scaleX(1);opacity:1;} 100%{transform:scaleX(0);opacity:0;} }
@keyframes tkFeedSeg3A { 0%{transform:scaleX(0);opacity:1;} 30%{transform:scaleX(1);opacity:1;} 33%,100%{transform:scaleX(0);opacity:0;} }
@keyframes tkFeedSeg3B { 0%,33%{transform:scaleX(0);opacity:0;} 63%{transform:scaleX(1);opacity:1;} 66%,100%{transform:scaleX(0);opacity:0;} }
@keyframes tkFeedSeg3C { 0%,66%{transform:scaleX(0);opacity:0;} 96%{transform:scaleX(1);opacity:1;} 100%{transform:scaleX(0);opacity:0;} }
@keyframes tkFeedSeg4A { 0%{transform:scaleX(0);opacity:1;} 22%{transform:scaleX(1);opacity:1;} 25%,100%{transform:scaleX(0);opacity:0;} }
@keyframes tkFeedSeg4B { 0%,25%{transform:scaleX(0);opacity:0;} 47%{transform:scaleX(1);opacity:1;} 50%,100%{transform:scaleX(0);opacity:0;} }
@keyframes tkFeedSeg4C { 0%,50%{transform:scaleX(0);opacity:0;} 72%{transform:scaleX(1);opacity:1;} 75%,100%{transform:scaleX(0);opacity:0;} }
@keyframes tkFeedSeg4D { 0%,75%{transform:scaleX(0);opacity:0;} 97%{transform:scaleX(1);opacity:1;} 100%{transform:scaleX(0);opacity:0;} }
@keyframes tkFeedSeg5A { 0%{transform:scaleX(0);opacity:1;} 18%{transform:scaleX(1);opacity:1;} 20%,100%{transform:scaleX(0);opacity:0;} }
@keyframes tkFeedSeg5B { 0%,20%{transform:scaleX(0);opacity:0;} 38%{transform:scaleX(1);opacity:1;} 40%,100%{transform:scaleX(0);opacity:0;} }
@keyframes tkFeedSeg5C { 0%,40%{transform:scaleX(0);opacity:0;} 58%{transform:scaleX(1);opacity:1;} 60%,100%{transform:scaleX(0);opacity:0;} }
@keyframes tkFeedSeg5D { 0%,60%{transform:scaleX(0);opacity:0;} 78%{transform:scaleX(1);opacity:1;} 80%,100%{transform:scaleX(0);opacity:0;} }
@keyframes tkFeedSeg5E { 0%,80%{transform:scaleX(0);opacity:0;} 98%{transform:scaleX(1);opacity:1;} 100%{transform:scaleX(0);opacity:0;} }

/* Right Actions */
.tk-right-actions {
    position: absolute;
    right: 12px;
    bottom: calc(130px + var(--safe-bottom)); /* Moved up */
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px; /* Increased gap */
    z-index: 5;
}

.tk-action-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #555555;
    font-size: 12px;
    font-weight: 500;
    gap: 4px;
}

.tk-action-item i {
    font-size: 34px; /* Bigger icons */
    color: #111111;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.05));
    transition: transform 0.2s, color 0.2s;
}

.tk-action-item.liked i {
    color: #ff4b4b;
}

/* Avatar with Plus */
.tk-avatar-action {
    position: relative;
    width: 52px; /* Bigger avatar */
    height: 52px;
    border-radius: 50%;
    background: #f0f0f0;
    border: 2px solid #ffffff;
    margin-bottom: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: visible;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.tk-avatar-action img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.tk-avatar-action i.fa-user {
    font-size: 20px;
    color: #999;
}

.tk-action-plus {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background-color: #ff4b4b; /* Keep a bit of red for standard TK feel, or use dark grey */
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 12px;
    border: 2px solid #ffffff;
    cursor: pointer;
    transition: opacity 0.3s, transform 0.3s;
}

.tk-action-plus.followed {
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%) scale(0);
}

/* Music Disc Rotating */
.tk-music-disc {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #111;
    border: 8px solid #333;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    animation: tk-spin 4s linear infinite;
}

.tk-music-disc i {
    font-size: 14px;
    color: #fff;
    margin: 0;
    filter: none;
}

@keyframes tk-spin {
    100% { transform: rotate(360deg); }
}

/* Bottom Info */
.tk-bottom-info {
    position: absolute;
    bottom: calc(90px + var(--safe-bottom));
    left: 15px;
    width: calc(100% - 80px);
    z-index: 5;
    color: #111111;
}

.tk-video-author {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}

.tk-video-desc {
    font-size: 14px;
    line-height: 1.4;
    color: #444444;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* API Gen Button on Video (Removed, using Top Bar instead) */

/* --- COMMON HEADER --- */
.tk-header, .tk-home-topbar {
    left: 0;
    width: 100%;
    min-height: calc(var(--tk-safe-top) + var(--tk-header-height));
    padding-top: var(--tk-safe-top);
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 20px;
    padding-right: 20px;
    background: #ffffff;
    z-index: 20;
    border: none;
    box-shadow: none;
}

/* Common floating button wrapper for header icons (used in html) */
.tk-floating-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    color: #ffffff;
    cursor: pointer;
    transition: background-color 0.2s;
    pointer-events: auto; /* Ensure it's clickable in floating header */
}

.tk-floating-btn:active {
    background-color: rgba(0, 0, 0, 0.5);
}

/* Fallback/Original left/right/center styles */
.tk-header-left, .tk-header-right {
    display: flex;
    align-items: center;
    font-size: 20px;
    color: #111;
    cursor: pointer;
}

.tk-header-right {
    gap: 15px;
}

.tk-header-center {
    font-size: 18px;
    font-weight: 600;
    color: #111;
}

/* 彻底解除 Watch Together Bubble 的点击封锁 */
#tk-watch-together-bubble {
    pointer-events: auto !important;
}
#tk-watch-together-bubble * {
    pointer-events: auto !important;
}
#wt-chat-container {
    overscroll-behavior: contain; /* 防止内部滚动穿透到视频流 */
    -webkit-overflow-scrolling: touch;
}

/* Home Topbar overrides */
.tk-home-topbar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: calc(var(--tk-safe-top) + var(--tk-header-height));
    padding-top: var(--tk-safe-top);
    box-sizing: border-box;
    background: transparent;
    border-bottom: none;
    pointer-events: none;
}
.tk-home-topbar > * {
    pointer-events: auto;
}

.tk-topbar-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    font-size: 16px;
    font-weight: 600;
    color: #999999;
}

.tk-topbar-left, .tk-topbar-right {
    display: flex;
    gap: 12px;
}


/* --- CHAT TAB --- */
.tk-chat-scrollable {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding-bottom: calc(100px + var(--safe-bottom));
    padding-top: 8px;
    box-sizing: border-box;
    -webkit-overflow-scrolling: touch;
}

/* Following Bar (Avatars with bubbles) */
.tk-following-bar-container {
    padding: 20px 0 10px 15px;
    border-bottom: 1px solid #f5f5f5;
}

.tk-following-bar {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    padding-right: 15px;
    padding-top: 25px; /* space for bubbles */
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.tk-following-bar::-webkit-scrollbar {
    display: none;
}

.tk-follow-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 65px;
    flex-shrink: 0;
    position: relative;
    cursor: pointer;
}

.tk-follow-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin-bottom: 8px;
}

.tk-follow-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.tk-follow-avatar i.fa-user {
    font-size: 24px;
    color: #999;
}

/* Intersecting Bubble */
.tk-follow-bubble {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: #ffffff;
    border: 1px solid #e0e0e0;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 10px;
    color: #555;
    white-space: nowrap;
    max-width: 70px;
    overflow: hidden;
    text-overflow: ellipsis;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    z-index: 2;
}

/* The little plus on the avatar */
.tk-follow-plus {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 20px;
    height: 20px;
    background: #333;
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 10px;
    border: 2px solid #fff;
    z-index: 3;
}

.tk-follow-name {
    font-size: 11px;
    color: #555;
    text-align: center;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Activity List */
.tk-activity-list {
    padding: 10px 0;
}

.tk-activity-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    background: #fff;
    cursor: pointer;
    transition: background 0.2s;
}

.tk-activity-item:active {
    background: #f9f9f9;
}

.tk-activity-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    margin-right: 15px;
    flex-shrink: 0;
    overflow: hidden;
}

.tk-activity-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tk-activity-text {
    flex: 1;
}

.tk-activity-title {
    font-size: 16px;
    font-weight: 500;
    color: #111;
    margin-bottom: 4px;
}

.tk-activity-desc {
    font-size: 13px;
    color: #888;
}

.tk-activity-item .arrow {
    color: #ccc;
    font-size: 14px;
}

.tk-chat-section-title {
    padding: 20px 20px 10px;
    font-size: 14px;
    font-weight: 600;
    color: #111;
}


/* --- PROFILE TAB --- */
.tk-profile-header {
    min-height: calc(var(--tk-safe-top) + var(--tk-header-height));
    padding-top: var(--tk-safe-top);
    box-sizing: border-box;
    border-bottom: none;
}

.tk-profile-scrollable {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding-bottom: calc(100px + var(--safe-bottom));
    padding-top: 8px;
    box-sizing: border-box;
    -webkit-overflow-scrolling: touch;
}

.tk-profile-avatar-section {
    display: flex;
    justify-content: center;
    padding: 10px 0;
}

#tk-profile-status-bubble {
    font-size: 15px; /* slightly bigger */
    top: -25px; /* move higher */
    left: 10px; /* move left to overlap avatar edge */
    transform: translateX(-30%); /* keeping it slightly offset */
    padding: 6px 14px;
    z-index: 5; /* ensure above avatar */
    border: 2px solid #fff; /* add border to stand out against avatar */
}

/* --- CHAR PROFILE SUB-VIEW (Added for Char Detail) --- */
.tk-sub-profile-view {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    z-index: 500;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.tk-sub-profile-view.active {
    transform: translateX(0);
}

.tk-profile-avatar-section {
    display: flex;
    justify-content: center;
    padding: 10px 0;
}

.tk-avatar-wrapper {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    overflow: visible;
}

.tk-avatar-wrapper img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.tk-avatar-wrapper i.fa-user {
    font-size: 40px;
    color: #bbb;
}

.tk-avatar-plus {
    position: absolute;
    bottom: 0;
    right: 5px;
    width: 28px;
    height: 28px;
    background: #333;
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    border: 3px solid #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.tk-profile-name-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    margin-bottom: 20px;
}

.tk-profile-name {
    font-size: 18px;
    font-weight: 700;
    color: #111;
}

.tk-profile-handle {
    font-size: 13px;
    color: #666;
}

.tk-profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    padding: 0 40px;
    margin-bottom: 20px;
    text-align: center;
}

.tk-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.tk-stat-num {
    font-size: 16px;
    font-weight: 700;
    color: #111;
}

.tk-stat-label {
    font-size: 13px;
    color: #888;
}

/* Black/Gray Rounded Action Buttons */
.tk-profile-actions-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.tk-btn-primary {
    background: #111111;
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    padding: 10px 35px;
    border-radius: 20px;
    cursor: pointer;
}

.tk-btn-secondary {
    background: #f1f1f2;
    color: #111111;
    font-size: 15px;
    font-weight: 600;
    padding: 10px 35px;
    border-radius: 20px;
    cursor: pointer;
}

.tk-btn-icon {
    background: #f1f1f2;
    color: #111111;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 20px;
    cursor: pointer;
}

.tk-profile-bio-container {
    padding: 0 20px;
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

.tk-profile-bio-bubble {
    font-size: 14px;
    color: #111;
    text-align: center;
    max-width: 90%;
    line-height: 1.5;
    cursor: pointer;
}

/* Tabs */
.tk-profile-tabs {
    display: flex;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
}

.tk-ptab {
    flex: 1;
    text-align: center;
    padding: 12px 0;
    font-size: 20px;
    color: #999;
    cursor: pointer;
    position: relative;
    z-index: 2; /* Ensure clicks register above indicator */
}

.tk-ptab.active {
    color: #111;
}

.tk-ptab-indicator {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 25%; /* Default for 4 tabs, overridden by inline style for sub profile */
    height: 2px;
    background: #111;
    transition: transform 0.3s cubic-bezier(0.25, 0.1, 0.25, 1); /* Smoother animation */
    z-index: 1;
}

.tk-profile-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    padding-top: 1px;
}

.tk-grid-item {
    aspect-ratio: 3/4;
    background: #333;
    position: relative;
    overflow: hidden;
}

.tk-grid-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    text-align: center;
    font-size: 12px;
    color: #fff;
    font-weight: 500;
}

.tk-grid-views {
    position: absolute;
    bottom: 5px;
    left: 8px;
    color: #fff;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
}

#tk-edit-char-sheet .bottom-sheet,
#tk-edit-char-sheet .detail-sheet-content {
    background: #f7f7f8 !important;
}

#tk-edit-char-sheet .form-group {
    background: #fff;
}

.tk-import-list .tk-import-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px;
    background: #f9f9f9;
    border-radius: 12px;
    cursor: pointer;
}

/* Enhanced Share Sheet Styles */
.tk-share-section-title {
    font-size: 13px;
    color: #888;
    margin: 10px 15px 5px;
    font-weight: 500;
}

.tk-share-friends-row {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    padding: 10px 15px 20px;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.tk-share-friends-row::-webkit-scrollbar {
    display: none;
}

.tk-share-friend-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 60px;
    cursor: pointer;
}

.tk-share-actions-row {
    display: flex;
    gap: 20px;
    padding: 10px 15px 20px;
    justify-content: flex-start;
}

.tk-share-action-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.tk-share-action-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #f2f2f2;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    color: #111;
    transition: background 0.2s;
}

.tk-share-action-item:active .tk-share-action-icon {
    background: #e5e5e5;
}

.tk-share-action-item span {
    font-size: 11px;
    color: #555;
}


/* --- BOTTOM SHEETS CUSTOMIZATION --- */
/* Override default bottom sheet styles for TikTok if needed */
#tk-video-detail-sheet .bottom-sheet {
    background-color: #ffffff;
    padding-bottom: calc(10px + var(--safe-bottom));
}
#tk-video-detail-sheet .sheet-title {
    font-size: 14px;
    font-weight: 600;
}

.tk-comment-item {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.tk-avatar-small {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #999;
    flex-shrink: 0;
    overflow: hidden;
}

.tk-avatar-small img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tk-comment-content {
    flex: 1;
}

.tk-comment-name {
    font-size: 13px;
    color: #888;
    margin-bottom: 4px;
    font-weight: 500;
}

.tk-comment-text {
    font-size: 14px;
    color: #111;
    line-height: 1.4;
    margin-bottom: 6px;
}

.tk-comment-translation {
    font-size: 12px;
    color: #8e8e93;
    line-height: 1.45;
    margin: -2px 0 6px;
    word-break: break-word;
}

.tk-comment-meta {
    font-size: 12px;
    color: #aaa;
    display: flex;
    gap: 15px;
}

.tk-comment-translate-btn {
    cursor: pointer;
    color: #8e8e93;
    margin-left: auto;
    white-space: nowrap;
}

.tk-reply-meta {
    margin-top: 4px;
}

.tk-bubble-translation {
    margin-top: 8px;
    padding-top: 7px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 12px;
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.78);
    font-weight: 400;
}

.tk-dm-translatable-bubble {
    cursor: pointer;
}

.tk-dm-translation {
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid rgba(142, 142, 147, 0.22);
    font-size: 12px;
    line-height: 1.4;
    color: #8e8e93;
    word-break: break-word;
}

.tk-dm-translatable-bubble[style*="background: #111"] .tk-dm-translation,
.tk-dm-translatable-bubble[style*="background:#111"] .tk-dm-translation {
    border-top-color: rgba(255, 255, 255, 0.22);
    color: rgba(255, 255, 255, 0.72);
}

.tk-comment-like {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #888;
    font-size: 12px;
    gap: 4px;
    padding-top: 5px;
    cursor: pointer;
    transition: transform 0.1s;
}
.tk-comment-like:active { transform: scale(0.9); }
.tk-comment-like i { font-size: 14px; transition: color 0.2s; }
.tk-comment-like.liked i { color: #ff4b4b; font-weight: 900; }
.tk-comment-like.liked span { color: #ff4b4b; }

/* Hashtag Styles */
.tk-hashtag {
    color: #111111;
    font-weight: 700;
    cursor: pointer;
    display: inline-block;
    background: rgba(255,255,255,0.8);
    padding: 2px 6px;
    border-radius: 6px;
    margin: 0 2px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.tk-hashtag-view {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    z-index: 550; /* Above normal sub views */
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.tk-hashtag-view.active {
    transform: translateY(0);
}

.tk-hashtag-header-content {
    padding: 60px 20px 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.tk-hashtag-icon-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 36px;
    color: #111;
}

.tk-hashtag-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}

.tk-hashtag-views {
    font-size: 13px;
    color: #888;
}

/* =========================================
   NEW OVERRIDES FOR Z-INDEX AND SHADOWS
   ========================================= */

/* Adjust layers so videos don't cover bottom sheets */
/* 
   Z-Index Hierarchy:
   - Base Views (Home/Chat/Profile Tabs): Default flow
   - Bottom Nav: z-index 200
   - Sub Profile View: z-index 300
   - Fullscreen Video View: z-index 400
   - Chat View: z-index 400
   - Hashtag / Music Views: z-index 500
   - Bottom Sheets (Comments, Share, Create): z-index 600-800
   - Modals / Popovers: z-index 900+
*/
#tk-fullscreen-video-view {
    z-index: 530 !important;
}

.tk-sub-profile-view {
    z-index: 300 !important;
}

#tk-sub-profile-view {
    z-index: 520 !important;
}

/* Adjust sub-views header position */
.tk-sub-profile-view .tk-header,
.tk-sub-profile-view .tk-home-topbar {
    top: 0 !important;
}

/* Override Chat Row gaps for TK DM */
#tk-dm-messages-container .chat-row {
    margin-top: 1px !important; /* Force tight gap for consecutive messages */
}
#tk-dm-messages-container .chat-row:not(.has-prev) {
    margin-top: 8px !important; /* Larger gap when speaker changes or new group starts */
}

/* Force text-shadow and box-shadow removal across video views */
.tk-video-card,
.tk-video-text-content,
.tk-video-text-content div,
.tk-grid-item,
.tk-grid-text,
.tk-grid-views,
.tk-grid-views i,
#tk-fullscreen-video-view,
#tk-fullscreen-video-view .tk-right-actions i,
#tk-fullscreen-video-view .tk-right-actions span,
#tk-fullscreen-video-view .tk-bottom-info,
#tk-fullscreen-video-view .tk-bottom-info div {
    box-shadow: none !important;
    text-shadow: none !important;
    filter: none !important;
}

#tk-dm-chat-view {
    z-index: 540 !important;
}

#tk-chat-tab > .tk-header,
#tk-profile-tab > .tk-header,
#tk-sub-profile-view > .tk-header {
    position: sticky;
    top: 0;
    left: auto;
    flex-shrink: 0;
    background: #ffffff !important;
    pointer-events: auto;
    z-index: 20;
}

#tk-profile-tab > .tk-header .tk-floating-btn,
#tk-sub-profile-view > .tk-header .tk-floating-btn {
    background-color: rgba(255, 255, 255, 0.55);
    color: #111111;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

#tk-profile-tab > .tk-header .tk-floating-btn i,
#tk-sub-profile-view > .tk-header .tk-floating-btn i {
    color: #111111 !important;
}

#tk-home-tab > .tk-home-topbar,
#tk-dm-chat-view > .tk-header,
#tk-fullscreen-video-view > .tk-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

#tk-dm-chat-view > .tk-header {
    min-height: calc(var(--tk-safe-top) + 54px) !important;
    height: calc(var(--tk-safe-top) + 54px) !important;
    padding: var(--tk-safe-top) 15px 0 !important;
    box-sizing: border-box;
    display: flex !important;
    align-items: center !important;
    background: #ffffff !important;
    z-index: 60 !important;
}

#tk-dm-chat-view > .tk-header .tk-header-left,
#tk-dm-chat-view > .tk-header .tk-header-right,
#tk-dm-header-info {
    height: 54px;
    margin-top: 0 !important;
    display: flex !important;
    align-items: center !important;
}

#tk-dm-header-info {
    min-width: 0;
    flex: 1;
}

#tk-dm-chat-view > .tk-header .tk-header-right {
    flex-shrink: 0;
}

#tk-dm-messages-container {
    padding-top: calc(var(--tk-safe-top) + 78px) !important;
}

.tiktok-view .bottom-sheet-overlay {
    /* Base for sheets to override video if inside the same container */
    z-index: 800;
}

.tk-search-generate-sheet {
    height: auto !important;
    padding-bottom: calc(18px + var(--safe-bottom));
}

.tk-search-generate-content {
    padding: 0 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tk-search-generate-box {
    height: 48px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #f1f1f2;
    border-radius: 16px;
    padding: 0 14px;
    color: #8e8e93;
}

.tk-search-generate-box input {
    flex: 1;
    border: 0;
    outline: 0;
    background: transparent;
    color: #111;
    font-size: 15px;
}

.tk-search-generate-hint {
    display: none;
}

.tk-search-generate-content .sheet-action {
    width: 100%;
    margin: 0;
    box-sizing: border-box;
}

.tk-dm-profile-intro {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 22px 18px 20px;
    margin: 10px 0 22px;
    border-bottom: 1px solid #f1f1f2;
}

.tk-wt-confirm-sheet {
    height: auto !important;
    padding-bottom: calc(18px + var(--safe-bottom));
}

.tk-wt-confirm-content {
    padding: 4px 16px 16px;
}

.tk-wt-confirm-copy {
    color: #111;
    font-size: 15px;
    line-height: 1.45;
    text-align: center;
    margin: 8px 0 18px;
}

.tk-wt-confirm-actions {
    display: flex;
    gap: 10px;
}

.tk-wt-confirm-actions .sheet-action {
    flex: 1;
    margin: 0;
    box-sizing: border-box;
}

.tk-visitors-sheet {
    height: auto !important;
    max-height: 72%;
    padding-bottom: calc(18px + var(--safe-bottom));
    background: #fff !important;
    color: #111;
}

.tk-visitors-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 0 14px 16px;
    overflow-y: auto;
    background: #fff;
}

.tk-visitor-item {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 58px;
    padding: 8px 4px;
    cursor: pointer;
    background: #fff;
}

.tk-visitor-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    overflow: hidden;
    background: #f1f1f2;
    color: #8e8e93;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    cursor: pointer;
}

.tk-visitor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tk-visitor-info {
    flex: 1;
    min-width: 0;
}

.tk-visitor-name {
    color: #111;
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tk-visitor-meta {
    margin-top: 3px;
    color: #8e8e93;
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tk-visitor-delete-btn {
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 17px;
    background: transparent;
    color: #c7c7cc;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
}

.tk-visitors-empty {
    color: #999;
    font-size: 13px;
    text-align: center;
    padding: 34px 0 42px;
    background: #fff;
}

.tk-visitor-thought-sheet {
    height: auto !important;
    padding: 18px 18px calc(26px + var(--safe-bottom));
    background: #fff !important;
    color: #111;
}

.tk-visitor-thought-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

.tk-visitor-thought-avatar {
    width: 48px;
    height: 48px;
}

.tk-visitor-thought-text {
    margin-top: 16px;
    padding: 14px 15px;
    border-radius: 12px;
    background: #f6f6f7;
    color: #111;
    font-size: 15px;
    line-height: 1.55;
}

.tk-dm-profile-avatar {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    overflow: hidden;
    background: #f1f1f2;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #b0b0b5;
    font-size: 32px;
    margin-bottom: 10px;
}

.tk-dm-profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tk-dm-profile-name {
    font-size: 17px;
    font-weight: 700;
    color: #111;
}

.tk-dm-profile-meta {
    margin-top: 3px;
    font-size: 12px;
    color: #8e8e93;
}

.tk-dm-profile-home-btn {
    margin-top: 12px;
    height: 34px;
    border: 0;
    border-radius: 10px;
    background: #f1f1f2;
    color: #111;
    padding: 0 18px;
    font-size: 13px;
    font-weight: 650;
    cursor: pointer;
}

.tk-dm-empty-state {
    text-align: center;
    color: #999;
    font-size: 13px;
    margin-top: 20px;
}

#tk-dm-chat-view .tk-dm-input-area {
    border-top: 1px solid #f1f1f2 !important;
    box-shadow: 0 -10px 24px rgba(255, 255, 255, 0.9);
}

/* Remove shadows from videos in user/char profile */
.tk-grid-item img {
    box-shadow: none !important;
}
.tk-grid-item .tk-grid-text {
    box-shadow: none !important;
    border: none !important;
}
#tk-fullscreen-video-view img {
    box-shadow: none !important;
}
.tk-video-text-content div {
    box-shadow: none !important;
}
.tk-video-card, .tk-video-text-content {
    box-shadow: none !important;
}

/* Final topbar alignment overrides: root views fill the frame, headers own safe-area spacing. */
.tiktok-view {
    --tk-header-height: 44px;
    --tk-top-offset: calc(var(--tk-safe-top) + var(--tk-header-height));
    padding-top: 0 !important;
}

.tiktok-view .tk-header,
.tiktok-view .tk-home-topbar {
    height: var(--tk-top-offset) !important;
    min-height: var(--tk-top-offset) !important;
    padding: var(--tk-safe-top) 16px 0 !important;
    box-sizing: border-box !important;
    flex-shrink: 0;
    align-items: center !important;
}

#tk-home-tab > .tk-home-topbar {
    position: absolute;
    top: 0;
    left: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

#tk-feed-container {
    padding-top: 0 !important;
}

#tk-chat-tab > .tk-header,
#tk-profile-tab > .tk-header,
#tk-sub-profile-view > .tk-header {
    position: sticky;
    top: 0;
}

#tk-dm-chat-view > .tk-header,
#tk-fullscreen-video-view > .tk-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

#tk-dm-chat-view > .tk-header {
    height: var(--tk-top-offset) !important;
    min-height: var(--tk-top-offset) !important;
    padding: var(--tk-safe-top) 16px 0 !important;
    background: rgba(255, 255, 255, 0.96) !important;
    border-bottom: 1px solid #f0f0f0 !important;
}

#tk-dm-chat-view > .tk-header .tk-header-left,
#tk-dm-chat-view > .tk-header .tk-header-right,
#tk-dm-header-info {
    height: var(--tk-header-height) !important;
    margin-top: 0 !important;
    align-items: center !important;
}

#tk-dm-messages-container {
    padding-top: calc(var(--tk-top-offset) + 12px) !important;
}

#tk-fullscreen-video-view > .tk-header {
    background: transparent !important;
    border-bottom: 0 !important;
}

#tk-feed-container .tk-feed-progress {
    bottom: calc(var(--tk-bottom-nav-offset) + var(--tk-bottom-nav-height));
}