/* YouTube App Specific Styles */

.youtube-view {
    background-color: var(--screen-bg, #ffffff); /* Light Mode Background */
    color: #0f0f0f;
    display: flex;
    flex-direction: column;
    padding-top: 0; /* Reset default padding to handle custom header */
}

/* 1. Header (Top Bar) */
.yt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* 优化：调整 top padding，使顶栏整体下移，避开刘海屏 */
    padding: 10px 16px 10px; 
    position: absolute;
    top: max(10px, var(--safe-top));
    left: 0;
    width: 100%;
    background-color: #ffffff;
    z-index: 100; /* 提高整个头部的层级 */
    /* Removed border-bottom */
    /* 为了不影响外层布局，这里不使用 absolute */
}

/* 针对 Char 主页的特殊沉浸式 Header */
#sub-channel-view .yt-header {
    background-color: transparent !important;
    position: absolute;
    top: max(10px, var(--safe-top));
    left: 0;
    width: 100%;
    z-index: 20;
    padding-top: 0;
    pointer-events: none; /* 让大部分区域可穿透点击 */
}

#sub-channel-view .yt-header-left,
#sub-channel-view .yt-header-right {
    pointer-events: auto; /* 恢复图标的点击 */
}

.yt-header-left {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.yt-header-left:active {
    opacity: 0.7;
}

.yt-logo-icon {
    color: #ff0000;
    font-size: 28px;
}

.yt-logo-text {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-weight: 700;
    font-size: 20px;
    letter-spacing: -0.5px;
}

.yt-header-right {
    display: flex;
    gap: 20px;
    z-index: 100;
}

.yt-char-header-actions {
    gap: 10px;
    align-items: center;
}

.yt-char-header-action {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.86);
    color: #0f0f0f;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform 0.2s, opacity 0.2s, background-color 0.2s;
}

.yt-char-header-action:active {
    transform: scale(0.94);
}

.yt-char-header-action.is-loading {
    opacity: 0.68;
    pointer-events: none;
}

.yt-icon-btn {
    font-size: 20px;
    color: #0f0f0f;
    cursor: pointer;
    position: relative;
    z-index: 1000; /* Force above any transparent layers */
    pointer-events: auto;
    /* 防止内部元素(如果有)遮挡 */
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

/* 创造巨大隐形点击热区，靶心无敌大 */
.yt-icon-btn::after {
    content: '';
    position: absolute;
    top: -20px;
    bottom: -20px;
    left: -20px;
    right: -20px;
    z-index: 1001;
}

.yt-icon-btn:active {
    opacity: 0.7;
}

/* Main Content Area */
.yt-main-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    padding-bottom: calc(90px + var(--safe-bottom)); /* Space for bottom nav */
    padding-top: max(60px, calc(44px + var(--safe-top))); /* Make room for floating header */
    -webkit-overflow-scrolling: touch;
}

.yt-tab-content {
    display: none;
    animation: ytFadeIn 0.3s ease;
}

.yt-tab-content.active {
    display: block;
}

@keyframes ytFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 2. Subscriptions Bar (Second Bar) */
.yt-subscriptions-wrapper {
    display: flex;
    align-items: center;
    padding: 12px 0 12px 16px;
    /* Removed border-bottom */
}

.yt-subscriptions-scroll {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    flex: 1;
    padding-right: 15px;
    scroll-behavior: smooth;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.yt-subscriptions-scroll::-webkit-scrollbar {
    display: none;
}

.yt-sub-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    min-width: 60px;
    cursor: pointer;
}

.yt-sub-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: #f2f2f2;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
    border: 2px solid transparent;
}

.yt-sub-item.has-live .yt-sub-avatar {
    border-color: #ff0000;
}

.yt-sub-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yt-sub-avatar i {
    font-size: 24px;
    color: #aaaaaa;
}

.yt-sub-name {
    font-size: 12px;
    color: #606060;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 60px;
}

.yt-sub-all-btn {
    color: #065fd4;
    font-size: 14px;
    font-weight: 500;
    padding: 0 16px;
    white-space: nowrap;
    cursor: pointer;
}

/* 3. Filter Bubbles (Third Bar) */
.yt-filters-bar {
    display: flex;
    gap: 10px;
    padding: 12px 16px;
    overflow-x: auto;
    /* Removed border-bottom */
}

.yt-filter-bubble {
    background-color: #f2f2f2;
    color: #0f0f0f;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.yt-filter-bubble.active {
    background-color: #0f0f0f;
    color: #ffffff;
}

/* 4. Live Content Area (Fourth Bar) */
.yt-live-section {
    display: flex;
    flex-direction: column;
}

.yt-video-card {
    margin-bottom: 20px;
}

.yt-video-thumbnail {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #f2f2f2;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.yt-video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yt-video-thumbnail i {
    font-size: 40px;
    color: #555;
}

.yt-live-badge {
    position: absolute;
    top: 10px; /* 改为左上角或右上角靠上 */
    left: 10px; /* 原来是 bottom: 8px; right: 8px */
    background-color: #cc0000;
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 10;
}

.yt-video-info {
    display: flex;
    padding: 12px 16px;
    gap: 12px;
}

.yt-video-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #f2f2f2;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.yt-video-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yt-video-details {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.yt-video-title {
    font-size: 15px;
    font-weight: 500;
    color: #0f0f0f;
    margin-bottom: 4px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.yt-video-meta {
    font-size: 13px;
    color: #606060;
}

.yt-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: #606060;
    text-align: center;
}

.yt-empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    color: #ccc;
}

/* 5. Profile Center */
.yt-profile-header-bg {
    height: 120px;
    width: 100%;
    background-color: #e5e5e5; /* Default gray background */
    background-size: cover;
    background-position: center;
}

.yt-profile-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: -40px; /* Pull up to overlap bg */
    padding: 0 16px;
}

.yt-profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: #f2f2f2;
    border: 3px solid #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 32px;
    color: #aaaaaa;
    overflow: hidden;
    margin-bottom: 8px; /* Tighter spacing */
}

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

.yt-profile-name {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 2px; /* Tighter spacing */
}

.yt-profile-handle {
    font-size: 14px;
    color: #606060;
    margin-bottom: 20px;
}

.yt-profile-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    padding: 0 16px;
    margin-top: 10px;
}

.yt-profile-action-btn {
    flex: 1;
    background-color: #f2f2f2;
    color: #0f0f0f;
    padding: 10px;
    border-radius: 20px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.yt-profile-action-btn:active {
    background-color: #e5e5e5;
}

/* 6. Floating Bottom Navigation (Glassmorphism) */
.yt-bottom-nav-container {
    position: absolute;
    left: 0;
    right: 0;
    bottom: calc(18px + var(--safe-bottom));
    display: flex;
    justify-content: center;
    z-index: 200;
    background: transparent;
    padding: 0 18px;
    box-sizing: border-box;
    height: auto !important;
    pointer-events: none;
    transition: bottom 0.25s ease;
}

.yt-bottom-nav {
    pointer-events: auto;
    position: relative;
    display: inline-flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 0;
    width: auto;
    min-width: min(316px, calc(100vw - 32px));
    max-width: calc(100vw - 32px);
    height: 49px;
    padding: 3px;
    border-radius: 40px;
    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);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

/* Animated Indicator */
.yt-nav-indicator {
    position: absolute;
    top: 3px;
    bottom: 3px;
    left: 4px;
    background-color: rgba(0, 0, 0, 0.06);
    border-radius: 36px;
    box-shadow: none;
    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);
}

.yt-nav-item {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
    min-width: 68px;
    height: 100%;
    padding: 0 11px;
    min-height: 0;
    color: #8e8e93;
    cursor: pointer;
    transition: color 0.3s;
}

.yt-nav-item i {
    font-size: 19px;
    margin-bottom: 0;
}

.yt-nav-item span {
    display: block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: -0.1px;
}

/* Center item (Add button) special styling */
.yt-nav-item-center {
    min-width: 44px;
    padding: 0 5px;
}

.yt-plus-icon-wrapper {
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255,255,255,0.7);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(245,245,247,0.84) 100%);
    box-shadow:
        0 6px 16px rgba(15,15,15,0.10),
        inset 0 1px 0 rgba(255,255,255,0.95);
}

.yt-nav-item-center i {
    font-size: 16px;
    color: #0f0f0f;
    -webkit-text-stroke: 0.4px #0f0f0f;
}

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

/* Placeholder Content */
.yt-placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #606060;
    padding-top: 100px;
}

.yt-placeholder-content i {
    font-size: 48px;
    margin-bottom: 16px;
    color: #ccc;
}

/* 7. Enhanced Profile & Stats */
.yt-profile-stats {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #606060;
    margin-bottom: 0px; /* adjusted to allow button to be tighter */
}

.yt-stat-separator {
    font-size: 10px;
}

/* --- Sliding Tabs Styles --- */
.yt-sliding-tabs-container {
    width: 100%;
    border-bottom: 1px solid #e5e5e5;
    position: relative;
    background-color: #fff; /* Ensure it covers anything behind if scrolling */
}

.yt-sliding-tabs {
    display: flex;
    justify-content: center;
    position: relative;
    padding: 0 16px;
}

.yt-sliding-tab {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: #606060;
    cursor: pointer;
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.yt-sliding-tab.active {
    color: #0f0f0f;
}

.yt-tab-indicator {
    position: absolute;
    bottom: -1px;
    left: 0;
    height: 3px;
    background-color: #0f0f0f;
    border-radius: 3px 3px 0 0;
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1), width 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 2;
    /* Width and transform are set by JS */
}

.yt-profile-content-list {
    padding: 16px 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* 8. Subscriber Channel View (Popup) */
.sub-channel-view {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--screen-bg, #ffffff);
    z-index: 200;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.sub-channel-view.active {
    transform: translateY(0) !important;
}

.yt-channel-subscribe-btn {
    background-color: #0f0f0f;
    color: #ffffff;
    padding: 9px 28px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, transform 0.2s;
    min-width: 104px;
    text-align: center;
}

.yt-channel-subscribe-btn.subscribed {
    background-color: rgba(0, 0, 0, 0.06);
    color: #0f0f0f;
}

.yt-channel-subscribe-btn:active,
.yt-char-generate-pill:active,
.yt-char-edit-circle:active,
.yt-char-header-action:active {
    transform: scale(0.97);
}

.yt-channel-content {
    display: flex;
    flex-direction: column;
}

.yt-channel-section-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    margin-top: 8px;
    color: #0f0f0f;
}

/* Live Pin Card */
.yt-live-pin-card {
    border: 1px solid #ff0000;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.yt-live-pin-card .yt-video-thumbnail {
    border-bottom: 1px solid #f2f2f2;
}

/* History Vods List */
.yt-history-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.yt-history-item {
    display: flex;
    gap: 12px;
}

.yt-history-thumb {
    width: 140px;
    aspect-ratio: 16 / 9;
    border-radius: 8px;
    background-color: #f2f2f2;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.yt-history-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yt-history-time {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 2px 4px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 500;
}

.yt-history-info {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.yt-history-title {
    font-size: 13px;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.yt-history-meta {
    font-size: 11px;
    color: #606060;
}

/* Player View Specific Light Theme Overrides */
#yt-video-player-view {
    background-color: #ffffff !important;
    color: #0f0f0f !important;
}

#yt-video-player-view.active,
#yt-user-live-view.active {
    display: flex !important;
}

#yt-video-player-view .yt-header {
    padding-top: 0;
}

#yt-video-player-view .yt-header-left {
    background: rgba(255,255,255,0.7) !important;
}

#yt-video-player-view .yt-header-left i {
    color: #000000 !important;
}

#yt-player-title {
    color: #0f0f0f !important;
}

#yt-player-views {
    color: #606060 !important;
}

#yt-player-channel-name {
    color: #0f0f0f !important;
}

#yt-player-channel-subs {
    color: #606060 !important;
}

/* Light Theme Chat Area */
#yt-video-player-view > div:last-child {
    background-color: #f9f9f9 !important; /* Chat background */
}

#yt-player-chat-title {
    color: #0f0f0f !important;
    border-bottom: 1px solid #f2f2f2 !important; /* 更浅的边框颜色 */
    background-color: #ffffff;
}

#yt-player-chat-container {
    background-color: #ffffff !important;
}

/* Chat Input Area */
#yt-video-player-view .chat-input-area {
    background-color: #ffffff !important;
    border-top: 1px solid #e5e5e5;
}

#yt-player-chat-input {
    background-color: #f2f2f2 !important;
    color: #0f0f0f !important;
}

#yt-player-chat-input::placeholder {
    color: #8e8e93;
}

#yt-video-player-view.yt-char-live-mode {
    background: #000000 !important;
}

#yt-video-player-view.yt-char-live-mode .yt-header {
    position: absolute;
    top: max(16px, env(safe-area-inset-top));
    left: 0;
    right: 0;
    width: auto;
    background: transparent !important;
    z-index: 8;
}

#yt-video-player-view.yt-char-live-mode .yt-header-left {
    width: 36px !important;
    height: 36px !important;
    border-radius: 18px !important;
    background: rgba(0, 0, 0, 0.35) !important;
    color: #ffffff !important;
}

#yt-video-player-view.yt-char-live-mode .yt-header-left i {
    color: #ffffff !important;
}

#yt-video-player-view.yt-char-live-mode #yt-player-video-area {
    flex: 1 1 auto;
    width: 100%;
    aspect-ratio: auto !important;
    margin-top: 0 !important;
    min-height: 40%;
}

#yt-video-player-view.yt-char-live-mode #yt-player-thumbnail {
    height: 100%;
    opacity: 0.96;
}

#yt-video-player-view.yt-char-live-mode #yt-player-live-badge {
    display: none !important;
}

#yt-video-player-view.yt-char-live-mode .yt-player-meta-panel {
    display: none !important;
}

#yt-video-player-view.yt-char-live-mode .yt-player-chat-shell {
    height: 60%;
    min-height: 360px;
    flex: 0 0 auto !important;
    background: #ffffff !important;
    border-radius: 22px 22px 0 0;
    margin-top: -14px;
    position: relative;
    z-index: 6;
    overflow: hidden !important;
}

#yt-video-player-view.yt-char-live-mode #yt-player-chat-title {
    background: #ffffff !important;
    border-bottom: none !important;
    padding: 14px 16px 10px !important;
}

#yt-video-player-view.yt-char-live-mode #yt-player-chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 0 16px 16px !important;
}

#yt-video-player-view.yt-char-live-mode .yt-chat-input-area {
    padding: 10px 16px 14px !important;
    border-top: 1px solid #f2f2f2 !important;
}

.yt-player-live-title-overlay {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 22px;
    max-width: 82%;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.25;
    color: #ffffff;
    z-index: 4;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
    overflow-wrap: anywhere;
}

.yt-player-live-stats-overlay {
    position: absolute;
    top: max(16px, env(safe-area-inset-top));
    right: 108px;
    z-index: 8;
    padding: 8px 12px;
    border-radius: 18px;
    background: rgba(0, 0, 0, 0.35);
    color: #ffffff;
    font-size: 12px;
}

.yt-player-live-actions-overlay {
    position: absolute;
    top: max(16px, env(safe-area-inset-top));
    right: 16px;
    z-index: 9;
    display: flex;
    align-items: center;
    gap: 8px;
}

.yt-player-live-action-btn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.35);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.yt-player-live-action-menu {
    display: none;
    position: absolute;
    top: 44px;
    right: 0;
    min-width: 132px;
    background: rgba(255, 255, 255, 0.96);
    color: #0f0f0f;
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    overflow: hidden;
}

.yt-player-live-action-menu.active {
    display: block;
}

.yt-player-live-menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 12px;
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
}

.yt-player-live-menu-item:active {
    background: #f2f2f2;
}

/* Player Plus Menu */
.yt-player-menu-container {
    position: relative;
    display: flex;
    align-items: center;
}

.yt-player-action-menu {
    position: absolute;
    bottom: 50px;
    right: 0;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    padding: 8px;
    display: none;
    flex-direction: row; /*Changed to row for horizontal layout*/
    flex-wrap: nowrap; /*Prevent wrapping*/
    gap: 8px;
    z-index: 100;
    min-width: max-content; /*Fit content*/
}

.yt-player-action-menu.active {
    display: flex;
}

.yt-player-menu-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    color: #0f0f0f;
    transition: background 0.2s;
    white-space: nowrap; /*Prevent text wrapping*/
}

.yt-player-menu-item:active {
    background-color: #f2f2f2;
}

.yt-player-menu-item i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

/* Summary List Styles */
.yt-summary-card {
    background: #fff;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    border: 1px solid #f2f2f2;
    cursor: pointer;
    transition: background 0.2s;
}

.yt-summary-card:active {
    background-color: #f9f9f9;
}

.yt-summary-date {
    font-size: 12px;
    color: #8e8e93;
    margin-bottom: 4px;
}

.yt-summary-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #0f0f0f;
}

.yt-summary-preview {
    font-size: 13px;
    color: #606060;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

/* Char live bubble stream, aligned with user live room bubbles */
.yt-char-live-bubbles-container {
    position: absolute;
    left: 16px;
    right: 90px;
    bottom: 64px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    z-index: 4;
    pointer-events: none;
}

.yt-char-live-bubble {
    align-self: flex-start;
    width: fit-content;
    max-width: min(72%, 280px);
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 10px 15px;
    border-radius: 20px;
    color: #0f0f0f;
    font-size: 13px;
    line-height: 1.4;
    overflow-wrap: anywhere;
    word-break: break-word;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    animation: slideInRight 0.3s ease forwards;
    transition: opacity 1s ease;
}

.yt-char-live-narrative {
    align-self: flex-start;
    width: fit-content;
    max-width: min(72%, 280px);
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 10px 15px;
    border-radius: 20px;
    color: #606060;
    font-size: 13px;
    line-height: 1.4;
    overflow-wrap: anywhere;
    word-break: break-word;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    animation: slideInRight 0.3s ease forwards;
    transition: opacity 1s ease;
    font-style: italic;
}

/* Light Theme Subscribe Button in Player */
#yt-player-subscribe-btn {
    background-color: #0f0f0f !important;
    color: #ffffff !important;
}

/* Inside Player Live Badge */
#yt-player-live-badge {
    background-color: #cc0000 !important;
    color: #fff !important;
    top: 16px !important; /* 增加顶部边距 */
    left: auto !important;
    right: 16px !important; /* 增加右侧边距 */
    padding: 4px 8px !important; /* 增加内边距 */
    font-size: 12px !important;
    border-radius: 4px !important;
}

/* Chat text overrides for white theme */
.yt-chat-msg-text {
    color: #0f0f0f !important;
}

.yt-chat-msg-name {
    color: #606060 !important;
}

/* User bubbles in messages/group chats */
.yt-bubble-row.right .yt-bubble-msg {
    background: #333333;
    color: #ffffff;
    border-bottom-right-radius: 8px;
}

/* Community Post Styles */
.yt-community-post {
    padding: 16px;
    border-bottom: 1px solid #e5e5e5;
}

.yt-community-post-content {
    font-size: 14px;
    line-height: 1.5;
    color: #0f0f0f;
    margin-bottom: 12px;
}

.yt-community-post-actions {
    display: flex;
    gap: 20px;
    color: #606060;
    font-size: 13px;
}

.yt-community-post-action {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.yt-community-post-meta {
    font-size: 11px;
    color: #606060;
    margin-bottom: 8px;
}

/* Bottom Add Content Sheet (YouTube Create) - Redesigned */
#yt-create-sheet .bottom-sheet {
    padding-bottom: calc(20px + var(--safe-bottom));
}

#yt-create-sheet .yt-create-bubble-btn {
    transition: transform 0.2s;
    /* 新样式：横向长条 */
    display: flex;
    flex-direction: row !important; /* 强制横向 */
    align-items: center !important;
    gap: 16px !important;
    width: 100% !important; /* 占满宽度 */
    padding: 12px 20px;
    background-color: #f9f9f9;
    border-radius: 16px !important; /* 圆角矩形 */
    margin-bottom: 10px;
}

#yt-create-sheet .yt-create-bubble-btn:active {
    transform: scale(0.98);
    background-color: #f0f0f0;
}

/* 图标容器样式调整 */
#yt-create-sheet .yt-create-bubble-btn div:first-child {
    width: 40px !important;
    height: 40px !important;
    font-size: 18px !important;
    box-shadow: none !important; /* 去掉阴影，更扁平 */
}

/* 文字样式调整 */
#yt-create-sheet .yt-create-bubble-btn span {
    font-size: 16px !important;
    font-weight: 500;
    color: #0f0f0f;
}

/* Super Chat Styles */
.sc-amount-btn {
    transition: all 0.2s;
    border: 2px solid transparent;
}

.sc-amount-btn.selected {
    border-color: rgba(255,255,255,0.5);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.sc-amount-btn:active {
    transform: scale(0.95);
}

/* SC Custom Input Fix */
#yt-sc-custom-amount {
    box-sizing: border-box;
    min-width: 0; /* Prevents flex item from overflowing */
}

/* --- Community Detail View --- */
.yt-community-detail-view {
    position: absolute;
    top: 0;
    left: 0;
    background-color: var(--screen-bg, #ffffff);
    z-index: 300; /* Higher than sub-channel-view */
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.yt-community-detail-view.active {
    transform: translateY(0);
}

.yt-community-detail-header {
    display: flex;
    align-items: center;
    height: calc(52px + env(safe-area-inset-top, 0px));
    padding: env(safe-area-inset-top, 0px) 16px 0;
    box-sizing: border-box;
    border-bottom: 1px solid #f2f2f2;
    background: #fff;
    flex-shrink: 0;
}

.yt-community-detail-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

/* Card Rounded Styles */
.yt-community-post {
    padding: 16px;
    border-bottom: 1px solid #f2f2f2;
    background: #fff;
    border-radius: 24px; /* Larger radius */
    margin: 10px 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    border: none !important;
}

.yt-community-comments-section {
    margin-top: 20px;
    border-top: 1px solid #f2f2f2;
    padding-top: 16px;
}

.yt-community-comment-item {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

/* --- Bubble Chat View (Fan Group - Ins Style) --- */
.yt-bubble-chat-view {
    position: absolute;
    top: 0;
    left: 0;
    background-color: var(--screen-bg, #ffffff); /* White background for Ins style */
    z-index: 300;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.yt-bubble-chat-view.active {
    transform: translateY(0);
}

.yt-bubble-chat-header {
    background-color: #ffffff;
    padding: calc(10px + var(--safe-top)) 16px 10px; /* Safe area top */
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #f2f2f2;
    z-index: 10;
}

.yt-bubble-chat-title {
    font-size: 17px;
    font-weight: 600;
    color: #000;
}

.yt-bubble-chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background-color: #ffffff;
}

.yt-bubble-row {
    display: flex;
    margin-bottom: 4px;
    align-items: flex-end; /* Avatar at bottom */
    max-width: 80%;
}

.yt-bubble-row.left {
    align-self: flex-start;
}

.yt-bubble-row.right {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.yt-bubble-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%; /* Circle avatar */
    overflow: hidden;
    flex-shrink: 0;
    background: #f2f2f2;
    margin-bottom: 2px;
}

.yt-bubble-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yt-bubble-content {
    margin: 0 8px;
    display: flex;
    flex-direction: column;
}

.yt-bubble-name {
    font-size: 11px;
    color: #8e8e93;
    margin-bottom: 4px;
    margin-left: 4px;
}

.yt-bubble-row.right .yt-bubble-name {
    display: none;
}

.yt-bubble-msg {
    padding: 12px 18px;
    font-size: 15px;
    line-height: 1.4;
    word-break: break-word;
    position: relative;
    max-width: 100%;
    /* 移除阴影保证干净高级 */
    box-shadow: none;
}

.yt-bubble-row.left .yt-bubble-msg {
    background-color: #f2f2f7; /* 高级浅灰 */
    color: #000;
    /* 左侧发言气泡异形圆角，更显扁平高级感 */
    border-radius: 18px 18px 18px 4px;
}

/* Remove CSS arrows */
.yt-bubble-row.left .yt-bubble-msg::before,
.yt-bubble-row.left .yt-bubble-msg::after,
.yt-bubble-row.right .yt-bubble-msg::before,
.yt-bubble-row.right .yt-bubble-msg::after {
    display: none;
}

.yt-bubble-row.right .yt-bubble-msg {
    background-color: #007aff; /* Apple Blue 高级对比色 */
    color: #fff;
    /* 右侧发言气泡异形圆角 */
    border-radius: 18px 18px 4px 18px;
}

.yt-bubble-input-area {
    background-color: #ffffff;
    border-top: 1px solid #f2f2f2;
    padding: 8px 16px calc(8px + var(--safe-bottom)); /* Safe area */
    display: flex;
    align-items: center;
    gap: 12px;
}

.yt-bubble-input {
    flex: 1;
    background: #f2f2f2;
    border: none;
    border-radius: 22px;
    padding: 10px 16px;
    font-size: 15px;
    outline: none;
}

.yt-bubble-send-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: transparent;
    color: #3797f0; /* Blue icon */
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 20px;
    transition: transform 0.2s;
}

.yt-bubble-send-btn:active {
    transform: scale(0.9);
}

/* Trending and User Live Styles */
.yt-trending-list-item { display: flex; align-items: center; gap: 15px; padding: 12px 0; border-bottom: 1px solid #e5e5e5; cursor: pointer; transition: background-color 0.2s; }
.yt-trending-list-item:active { background-color: #f9f9f9; }
.yt-trending-rank { font-size: 20px; font-weight: bold; color: #8e8e93; width: 30px; text-align: center; flex-shrink: 0; }
.yt-trending-rank.top-1 { color: #cc0000; font-size: 24px; }
.yt-trending-rank.top-2 { color: #e65100; font-size: 22px; }
.yt-trending-rank.top-3 { color: #ff9500; font-size: 22px; }

.yt-user-live-bubble { align-self:flex-start; width:fit-content; max-width:min(72%, 280px); background: rgba(255,255,255,0.85); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); padding: 10px 15px; border-radius: 20px; color: #0f0f0f; font-size: 13px; line-height: 1.4; overflow-wrap:anywhere; word-break:break-word; box-shadow: 0 4px 12px rgba(0,0,0,0.1); animation: slideInRight 0.3s ease forwards; }
.yt-user-live-alert { background: rgba(204, 0, 0, 0.8); color: white; padding: 6px 12px; border-radius: 16px; font-size: 12px; font-weight: 600; position: absolute; right: -100%; white-space: nowrap; animation: slideAcrossScreen 5s linear forwards; }

@keyframes slideInRight { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideAcrossScreen { 0% { right: -100%; opacity: 1; } 15% { right: 20px; opacity: 1; } 85% { right: 20px; opacity: 1; transform: translateY(0); } 100% { right: 20px; opacity: 0; transform: translateY(-30px); } }
@keyframes liveChatSlideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.yt-live-chat-row-anim {
    animation: liveChatSlideUp 0.3s ease-out forwards;
}

/* --- Sub Channel View Refined Styles --- */
.yt-sub-channel-info-box {
    padding: 0 20px 18px;
    margin-top: -48px;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.yt-sub-channel-avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    border: 4px solid #fff;
    object-fit: cover;
    background: #f2f2f2;
    display: block;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.yt-sub-channel-meta-row {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
}

.yt-sub-channel-text-col {
    flex: none;
    min-width: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.yt-sub-channel-name {
    font-size: 24px;
    font-weight: 700;
    color: #0f0f0f;
    line-height: 1.2;
    max-width: 100%;
    overflow-wrap: anywhere;
}

.yt-sub-channel-handle {
    font-size: 14px;
    color: #606060;
    margin-top: 4px;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.yt-sub-channel-stats-row {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 8px;
    color: #606060;
    font-size: 13px;
}

.yt-sub-channel-action-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
}

.yt-char-generate-pill {
    min-width: 148px;
    height: 40px;
    padding: 0 18px;
    border-radius: 999px;
    background: #0f0f0f;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
}

.yt-char-generate-pill.is-loading {
    opacity: 0.68;
    pointer-events: none;
    box-shadow: none;
}

.yt-char-edit-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.06);
    color: #0f0f0f;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
}

/* --- Data Center Refined Styles --- */
.yt-dc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 16px;
    padding-bottom: 0;
}

.yt-dc-card {
    background: #f8f8f8;
    border-radius: 16px;
    padding: 14px;
    border: 1px solid #f2f2f2;
}

.yt-dc-card-title {
    font-size: 12px;
    color: #8e8e93;
}

.yt-dc-card-value {
    font-size: 20px;
    font-weight: 700;
    margin-top: 6px;
    color: #0f0f0f;
}

.yt-dc-revenue-card {
    background: #111;
    color: #fff;
    border-radius: 18px;
    padding: 20px 16px;
    margin: 14px 16px 0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.yt-dc-revenue-title {
    font-size: 12px;
    opacity: 0.72;
}

.yt-dc-revenue-value {
    font-size: 28px;
    font-weight: 800;
    margin-top: 6px;
}

.yt-dc-withdraw-btn {
    margin-top: 14px;
    background: #fff;
    color: #111;
    padding: 10px 14px;
    border-radius: 14px;
    text-align: center;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.yt-dc-withdraw-btn:active {
    transform: scale(0.98);
}

.yt-dc-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 24px 16px 10px;
}

.yt-dc-section-title {
    font-size: 16px;
    font-weight: 700;
    color: #0f0f0f;
}

.yt-dc-offers-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0 16px 20px;
}

#yt-video-player-view,
#yt-user-live-view,
#yt-community-detail-view,
#yt-bubble-chat-view {
    inset: 0;
    padding-top: 0;
    padding-bottom: 0;
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}