/**
 * BiliPlayer - B站风格视频播放器样式
 * @version 2.0.0
 */

.bili-player {
    --bili-theme: #00a1d6;
    --bili-bg: #000;
    --bili-text: #fff;
    --bili-text-secondary: rgba(255, 255, 255, 0.7);
    --bili-radius: 8px;
    --bili-radius-sm: 4px;
    --bili-transition: 0.2s ease;
    --bili-transition-fast: 0.15s ease;
    --bili-transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --bili-transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.bili-player {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--bili-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    color: var(--bili-text);
    user-select: none;
    overflow: hidden;
    border-radius: var(--bili-radius);
}

.bili-player *, .bili-player *::before, .bili-player *::after { box-sizing: border-box; }
.bili-player-wrap { position: relative; width: 100%; height: 100%; overflow: hidden; }

.bili-video-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #000;
}

.bili-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
}

.bili-poster {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.bili-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    display: none;
    z-index: 10;
    color: var(--bili-theme);
}

.bili-loading svg { width: 100%; height: 100%; }

.bili-state-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 5;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.bili-state-icon svg { width: 32px; height: 32px; fill: #fff; margin-left: 3px; transition: transform 0.2s ease; }
.bili-state-icon:hover { 
    transform: translate(-50%, -50%) scale(1.15); 
    background: rgba(0, 0, 0, 0.75);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}
.bili-state-icon:hover svg {
    transform: scale(1.1);
}
.bili-state-icon:active {
    transform: translate(-50%, -50%) scale(1.05);
}
.bili-player.bili-playing .bili-state-icon { 
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.8);
    pointer-events: none;
}

.bili-top-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6) 0%, transparent 100%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity var(--bili-transition-smooth), transform var(--bili-transition-smooth);
    z-index: 20;
}

.bili-top-title { font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 80%; }
.bili-top-info { font-size: 12px; background: var(--bili-theme); padding: 2px 8px; border-radius: 10px; font-weight: 500; }
.bili-player.bili-show-controls .bili-top-bar, .bili-player:hover .bili-top-bar { opacity: 1; transform: translateY(0); }

.bili-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
    padding: 30px 10px 0;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity var(--bili-transition-smooth), transform var(--bili-transition-smooth);
    z-index: 20;
}

.bili-player.bili-show-controls .bili-controls, .bili-player:hover .bili-controls { opacity: 1; transform: translateY(0); }

/* ==================== 进度条增强 ==================== */
.bili-progress-area { 
    position: relative; 
    height: 22px; 
    display: flex; 
    align-items: center; 
    cursor: pointer;
    padding: 0 2px;
}

.bili-progress-wrap { 
    flex: 1; 
    height: 100%; 
    display: flex; 
    align-items: center;
    position: relative;
}

.bili-progress { 
    position: relative; 
    width: 100%; 
    height: 3px; 
    background: rgba(255, 255, 255, 0.2); 
    border-radius: 2px; 
    transition: height 0.15s ease, transform 0.15s ease;
}

.bili-progress-area.bili-hover .bili-progress,
.bili-progress-area.bili-dragging .bili-progress { 
    height: 6px;
    transform: translateY(-1px);
}

.bili-progress-buffer { 
    position: absolute; 
    top: 0; 
    left: 0; 
    height: 100%; 
    background: rgba(255, 255, 255, 0.3); 
    border-radius: 2px;
    transition: width 0.1s ease;
}

.bili-progress-played { 
    position: absolute; 
    top: 0; 
    left: 0; 
    height: 100%; 
    background: var(--bili-theme); 
    border-radius: 2px;
    transition: none;
}

/* 进度条高亮效果 */
.bili-progress-played::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    width: 3px;
    height: 100%;
    background: var(--bili-theme);
    border-radius: 0 2px 2px 0;
    transform: translateY(-50%);
    opacity: 0;
    transition: opacity 0.15s ease;
}

.bili-progress-area.bili-hover .bili-progress-played::after,
.bili-progress-area.bili-dragging .bili-progress-played::after {
    opacity: 1;
}

.bili-progress-thumb { 
    position: absolute; 
    top: 50%; 
    width: 14px; 
    height: 14px; 
    background: var(--bili-theme); 
    border-radius: 50%; 
    transform: translate(-50%, -50%) scale(0); 
    transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.15s ease;
    box-shadow: 0 0 6px rgba(0, 161, 214, 0.4); 
    z-index: 2;
    border: 2px solid #fff;
}

.bili-progress-area.bili-hover .bili-progress-thumb,
.bili-progress-area.bili-dragging .bili-progress-thumb { 
    transform: translate(-50%, -50%) scale(1);
}

.bili-progress-area.bili-dragging .bili-progress-thumb {
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 0 10px rgba(0, 161, 214, 0.6);
}

/* 时间预览气泡 */
.bili-progress-preview { 
    position: absolute; 
    bottom: 100%; 
    transform: translateX(-50%); 
    background: rgba(0, 0, 0, 0.9); 
    padding: 6px 10px; 
    border-radius: var(--bili-radius); 
    font-size: 12px; 
    font-weight: 500;
    white-space: nowrap; 
    display: none; 
    margin-bottom: 10px; 
    pointer-events: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    z-index: 10;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.bili-progress-preview::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
}

.bili-progress-area.bili-hover .bili-progress-preview,
.bili-progress-area.bili-dragging .bili-progress-preview {
    display: block;
    animation: bili-preview-show 0.15s ease;
}

@keyframes bili-preview-show {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* 进度条悬停区域扩大 */
.bili-progress-wrap::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    bottom: -8px;
    z-index: 1;
}

.bili-control-bar { display: flex; align-items: center; justify-content: space-between; height: 40px; gap: 4px; }
.bili-control-left, .bili-control-center, .bili-control-right { display: flex; align-items: center; gap: 2px; }
.bili-control-center { flex: 1; justify-content: center; }

.bili-btn { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    width: 32px; 
    height: 32px; 
    padding: 0; 
    background: transparent; 
    border: none; 
    cursor: pointer; 
    color: var(--bili-text); 
    opacity: 0.9; 
    transition: all var(--bili-transition-fast), transform var(--bili-transition-bounce); 
    border-radius: var(--bili-radius-sm);
    position: relative;
    overflow: hidden;
}

.bili-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: inherit;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity var(--bili-transition-fast), transform var(--bili-transition-fast);
}

.bili-btn:hover { 
    opacity: 1; 
    transform: scale(1.1);
}

.bili-btn:hover::before {
    opacity: 1;
    transform: scale(1);
}

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

.bili-btn svg { 
    width: 20px; 
    height: 20px; 
    fill: currentColor; 
    transition: transform var(--bili-transition-fast);
    position: relative;
    z-index: 1;
}

.bili-btn:hover svg {
    transform: scale(1.05);
}

.bili-btn.bili-btn-off { opacity: 0.5; }
.bili-btn-playlist { display: flex; }

/* ==================== 音量控制增强 ==================== */
.bili-volume-wrap { 
    position: relative; 
    display: flex; 
    align-items: center;
}

.bili-volume-panel { 
    position: absolute; 
    bottom: 100%; 
    left: 50%; 
    transform: translateX(-50%) translateY(5px); 
    background: rgba(0, 0, 0, 0.92); 
    border-radius: var(--bili-radius); 
    padding: 12px 8px; 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    gap: 8px; 
    opacity: 0; 
    visibility: hidden; 
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); 
    margin-bottom: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.bili-volume-panel::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.92);
}

.bili-volume-wrap:hover .bili-volume-panel,
.bili-volume-wrap.bili-volume-active .bili-volume-panel { 
    opacity: 1; 
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.bili-volume-slider { 
    width: 32px; 
    height: 80px; 
    display: flex; 
    justify-content: center; 
    cursor: pointer;
    padding: 4px 0;
}

.bili-volume-track { 
    position: relative; 
    width: 4px; 
    height: 100%; 
    background: rgba(255, 255, 255, 0.2); 
    border-radius: 2px;
    overflow: visible;
}

.bili-volume-fill { 
    position: absolute; 
    bottom: 0; 
    left: 0; 
    width: 100%; 
    background: linear-gradient(to top, var(--bili-theme) 0%, rgba(0, 161, 214, 0.8) 100%);
    border-radius: 2px;
    transition: height 0.1s ease;
}

.bili-volume-thumb { 
    position: absolute; 
    left: 50%; 
    width: 12px; 
    height: 12px; 
    background: #fff; 
    border-radius: 50%; 
    transform: translate(-50%, 50%); 
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    border: 2px solid var(--bili-theme);
}

.bili-volume-slider:hover .bili-volume-thumb,
.bili-volume-wrap.bili-volume-dragging .bili-volume-thumb {
    transform: translate(-50%, 50%) scale(1.15);
    box-shadow: 0 0 10px rgba(0, 161, 214, 0.5);
}

.bili-volume-num { 
    font-size: 11px; 
    color: var(--bili-text);
    font-weight: 500;
    min-width: 32px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

/* 音量按钮状态 */
.bili-btn-volume {
    transition: all var(--bili-transition);
}

.bili-btn-volume.bili-muted {
    opacity: 0.5;
}

.bili-btn-volume svg {
    transition: transform 0.15s ease;
}

.bili-btn-volume:hover svg {
    transform: scale(1.1);
}

.bili-time { font-size: 12px; color: var(--bili-text); white-space: nowrap; margin-left: 6px; font-variant-numeric: tabular-nums; }
.bili-time-sep { margin: 0 3px; color: var(--bili-text-secondary); }

.bili-danmaku-wrap { display: flex; align-items: center; gap: 6px; max-width: 320px; }
.bili-danmaku-input-wrap { display: flex; align-items: center; background: rgba(255, 255, 255, 0.1); border-radius: 16px; padding: 0 4px 0 12px; transition: all var(--bili-transition); }
.bili-danmaku-input-wrap:focus-within { background: rgba(255, 255, 255, 0.15); box-shadow: 0 0 0 1px var(--bili-theme); }
.bili-danmaku-input { width: 140px; height: 28px; background: transparent; border: none; outline: none; color: var(--bili-text); font-size: 12px; }
.bili-danmaku-input::placeholder { color: var(--bili-text-secondary); }
.bili-btn-send { width: 28px; height: 28px; }
.bili-btn-send svg { width: 16px; height: 16px; }

/* ==================== 设置面板增强 ==================== */
.bili-settings-panel { 
    position: absolute; 
    right: 10px; 
    bottom: 50px; 
    background: rgba(0, 0, 0, 0.94); 
    border-radius: var(--bili-radius); 
    padding: 0;
    min-width: 240px; 
    opacity: 0; 
    visibility: hidden; 
    transform: translateY(15px) scale(0.95); 
    transform-origin: bottom right;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); 
    z-index: 30;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
}

.bili-settings-panel.bili-show { 
    opacity: 1; 
    visibility: visible; 
    transform: translateY(0) scale(1);
}

.bili-settings-panel::after {
    content: '';
    position: absolute;
    bottom: -6px;
    right: 20px;
    border: 6px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.94);
}

.bili-settings-group {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.bili-settings-group:last-child {
    border-bottom: none;
}

.bili-settings-title { 
    font-size: 12px; 
    color: var(--bili-text-secondary); 
    margin-bottom: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bili-settings-options { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 6px;
}

.bili-settings-btn { 
    padding: 6px 14px; 
    background: rgba(255, 255, 255, 0.08); 
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px; 
    color: var(--bili-text); 
    font-size: 12px; 
    cursor: pointer; 
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-weight: 500;
}

.bili-settings-btn:hover { 
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.bili-settings-btn:active {
    transform: translateY(0) scale(0.98);
}

.bili-settings-btn.active { 
    background: var(--bili-theme); 
    color: #fff;
    border-color: var(--bili-theme);
    box-shadow: 0 2px 12px rgba(0, 161, 214, 0.5);
    transform: scale(1.02);
}

.bili-settings-btn.active:hover {
    box-shadow: 0 4px 16px rgba(0, 161, 214, 0.6);
}

/* 画面比例选项 */
.bili-settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
}

.bili-settings-row:first-child {
    padding-top: 0;
}

.bili-settings-row:last-child {
    padding-bottom: 0;
}

.bili-settings-label {
    font-size: 13px;
    color: var(--bili-text);
}

.bili-settings-value {
    display: flex;
    align-items: center;
    gap: 4px;
}

.bili-settings-select {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--bili-text);
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
    outline: none;
    transition: all 0.2s ease;
}

.bili-settings-select:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

.bili-settings-select:focus {
    border-color: var(--bili-theme);
}

.bili-settings-select option {
    background: #222;
    color: #fff;
}

/* ==================== 弹幕设置面板 ==================== */

.bili-danmaku-settings-panel {
    position: absolute;
    left: 50%;
    bottom: 50px;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.92);
    border-radius: var(--bili-radius);
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(15px) scale(0.95);
    transform-origin: bottom center;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 30;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.bili-danmaku-settings-panel.bili-show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
}

.bili-danmaku-settings-header {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    font-weight: 500;
    color: var(--bili-text);
}

.bili-danmaku-settings-content {
    padding: 10px 14px 14px;
}

.bili-danmaku-settings-group {
    margin-bottom: 12px;
}

.bili-danmaku-settings-group:last-child {
    margin-bottom: 0;
}

.bili-danmaku-settings-label {
    font-size: 12px;
    color: var(--bili-text-secondary);
    margin-bottom: 8px;
}

.bili-danmaku-settings-options {
    display: flex;
    gap: 6px;
}

.bili-danmaku-opt-btn {
    flex: 1;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 14px;
    color: var(--bili-text);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.bili-danmaku-opt-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px) scale(1.02);
}

.bili-danmaku-opt-btn:active {
    transform: translateY(0) scale(0.98);
}

.bili-danmaku-opt-btn.active {
    background: var(--bili-theme);
    color: #fff;
    box-shadow: 0 2px 10px rgba(0, 161, 214, 0.4);
    transform: scale(1.02);
}

.bili-danmaku-settings-slider {
    display: flex;
    align-items: center;
    gap: 10px;
}

.bili-danmaku-slider-track {
    flex: 1;
    position: relative;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    cursor: pointer;
}

.bili-danmaku-slider-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--bili-theme);
    border-radius: 2px;
}

.bili-danmaku-slider-thumb {
    position: absolute;
    top: 50%;
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.3);
    cursor: pointer;
}

.bili-danmaku-slider-value {
    font-size: 12px;
    color: var(--bili-text);
    min-width: 36px;
    text-align: right;
}

.bili-danmaku-settings-toggles {
    display: flex;
    gap: 12px;
}

.bili-danmaku-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    font-size: 12px;
    color: var(--bili-text);
}

.bili-danmaku-toggle input {
    width: 14px;
    height: 14px;
    accent-color: var(--bili-theme);
    cursor: pointer;
}

.bili-danmaku { position: absolute; top: 0; left: 0; right: 0; bottom: 50px; overflow: hidden; pointer-events: none; z-index: 15; transition: top 0.3s, bottom 0.3s; }
.bili-danmaku .cmt { position: absolute; white-space: nowrap; font-weight: bold; text-shadow: 1px 0 1px #000, 0 1px 1px #000, -1px 0 1px #000, 0 -1px 1px #000; pointer-events: none; transition: transform 0.2s; }
.bili-danmaku[data-font-size="small"] .cmt { font-size: 18px !important; }
.bili-danmaku[data-font-size="medium"] .cmt { font-size: 25px !important; }
.bili-danmaku[data-font-size="large"] .cmt { font-size: 32px !important; }

.bili-toast-wrap { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 50; pointer-events: none; }
.bili-toast { 
    background: rgba(0, 0, 0, 0.85); 
    border-radius: var(--bili-radius); 
    padding: 10px 16px; 
    color: #fff; 
    font-size: 13px; 
    display: flex; 
    align-items: center; 
    gap: 6px; 
    opacity: 0; 
    transform: scale(0.8) translateY(10px); 
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}
.bili-toast-show { 
    opacity: 1; 
    transform: scale(1) translateY(0); 
}


/* ==================== 选集面板 - 浮层模式 ==================== */

.bili-playlist-panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 320px;
    max-width: 45%;
    background: rgba(20, 20, 22, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    z-index: 25;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.4);
    border-left: 1px solid rgba(255, 255, 255, 0.06);
}

.bili-playlist-panel.bili-playlist-show {
    transform: translateX(0);
}

.bili-playlist-panel.bili-playlist-hidden {
    display: none;
}

/* 面板头部 */
.bili-playlist-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.02);
}

.bili-playlist-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--bili-text);
}

.bili-playlist-icon { 
    display: flex; 
    width: 20px; 
    height: 20px;
    padding: 2px;
    background: rgba(0, 161, 214, 0.15);
    border-radius: 4px;
}
.bili-playlist-icon svg { width: 100%; height: 100%; fill: var(--bili-theme); }
.bili-playlist-count { 
    font-size: 12px; 
    color: var(--bili-text-secondary); 
    font-weight: normal;
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 4px;
}

.bili-playlist-actions { display: flex; align-items: center; gap: 6px; }
.bili-playlist-actions button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.06);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    color: var(--bili-text-secondary);
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.bili-playlist-actions button:hover { 
    background: rgba(255, 255, 255, 0.15); 
    color: var(--bili-text);
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.bili-playlist-actions button:active {
    transform: scale(0.95);
}
.bili-playlist-actions button svg { width: 16px; height: 16px; fill: currentColor; }

/* 面板内容 */
.bili-playlist-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.12) transparent;
}

.bili-playlist-content::-webkit-scrollbar { width: 5px; }
.bili-playlist-content::-webkit-scrollbar-track { background: transparent; }
.bili-playlist-content::-webkit-scrollbar-thumb { 
    background: rgba(255, 255, 255, 0.12); 
    border-radius: 3px;
}
.bili-playlist-content::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }

.bili-playlist-list { padding: 10px 12px; }

/* 章节标题 */
.bili-chapter-title {
    padding: 12px 10px 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--bili-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 6px;
}

.bili-chapter-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* 选集项 - 列表模式 */
.bili-ep-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    background: transparent;
}

.bili-ep-item:hover { 
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(4px) scale(1.01);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.bili-ep-item:active {
    transform: translateX(2px) scale(0.99);
}

.bili-ep-item.active { 
    background: linear-gradient(135deg, rgba(0, 161, 214, 0.18) 0%, rgba(0, 161, 214, 0.08) 100%);
    border-left: 3px solid var(--bili-theme);
    padding-left: 9px;
    box-shadow: 0 2px 12px rgba(0, 161, 214, 0.15);
}

.bili-ep-item.active:hover {
    transform: translateX(2px) scale(1.01);
}

.bili-ep-item.active .bili-ep-title, 
.bili-ep-item.active .bili-ep-num { 
    color: var(--bili-theme); 
}

/* 缩略图 - 优化布局 */
.bili-ep-thumb {
    position: relative;
    width: 100px;
    height: 56px;
    flex-shrink: 0;
    border-radius: 6px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.bili-ep-thumb::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.4) 0%, transparent 50%);
    z-index: 1;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.bili-ep-item:hover .bili-ep-thumb::before {
    opacity: 1;
}

.bili-ep-thumb img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover;
    transition: transform 0.3s ease;
}

.bili-ep-item:hover .bili-ep-thumb img {
    transform: scale(1.05);
}

/* 选集信息 - 优化布局 */
.bili-ep-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.bili-ep-num { 
    font-size: 11px; 
    color: var(--bili-text-secondary); 
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.bili-ep-num::before {
    content: 'P';
    font-size: 10px;
    opacity: 0.7;
}

.bili-ep-title { 
    font-size: 13px; 
    color: var(--bili-text); 
    white-space: nowrap; 
    overflow: hidden; 
    text-overflow: ellipsis; 
    line-height: 1.4;
    font-weight: 500;
}

/* 播放中动画 - 增强音波效果 */
.bili-ep-playing {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 2px;
    height: 14px;
    margin-left: auto;
    flex-shrink: 0;
    padding: 0 4px;
}

.bili-ep-thumb .bili-ep-playing {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: rgba(0, 0, 0, 0.75);
    padding: 3px 5px;
    border-radius: 4px;
    z-index: 2;
    backdrop-filter: blur(4px);
}

.bili-ep-playing i {
    width: 3px;
    background: var(--bili-theme);
    border-radius: 2px;
    animation: bili-playing 0.9s ease-in-out infinite;
    box-shadow: 0 0 4px rgba(0, 161, 214, 0.5);
}

.bili-ep-playing i:nth-child(1) { height: 6px; animation-delay: 0s; }
.bili-ep-playing i:nth-child(2) { height: 10px; animation-delay: 0.15s; }
.bili-ep-playing i:nth-child(3) { height: 7px; animation-delay: 0.3s; }
.bili-ep-playing i:nth-child(4) { height: 12px; animation-delay: 0.45s; }

@keyframes bili-playing {
    0%, 100% { 
        transform: scaleY(0.4);
        opacity: 0.7;
    }
    50% { 
        transform: scaleY(1);
        opacity: 1;
    }
}

/* 宫格模式 - 优化数字方格样式 */
.bili-playlist-panel.bili-playlist-grid .bili-chapter-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(48px, 1fr));
    gap: 8px;
}

.bili-playlist-panel.bili-playlist-grid .bili-ep-item {
    position: relative;
    flex-direction: column;
    padding: 0;
    aspect-ratio: 1;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    transform: none;
    border-left: 1px solid rgba(255, 255, 255, 0.06);
}

.bili-playlist-panel.bili-playlist-grid .bili-ep-item:hover { 
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
}

.bili-playlist-panel.bili-playlist-grid .bili-ep-item:active {
    transform: scale(1.02);
}

.bili-playlist-panel.bili-playlist-grid .bili-ep-item.active { 
    background: linear-gradient(135deg, var(--bili-theme) 0%, rgba(0, 161, 214, 0.8) 100%);
    border-color: var(--bili-theme);
    box-shadow: 0 4px 16px rgba(0, 161, 214, 0.4);
    padding-left: 0;
    border-left-width: 1px;
    transform: scale(1.05);
}

.bili-playlist-panel.bili-playlist-grid .bili-ep-item.active:hover {
    transform: scale(1.12) translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 161, 214, 0.5);
}

.bili-playlist-panel.bili-playlist-grid .bili-ep-item.active .bili-ep-num { 
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.bili-playlist-panel.bili-playlist-grid .bili-ep-thumb { display: none; }

.bili-playlist-panel.bili-playlist-grid .bili-ep-info { 
    flex-direction: row; 
    align-items: center; 
    justify-content: center; 
    gap: 0; 
}

.bili-playlist-panel.bili-playlist-grid .bili-ep-num { 
    font-size: 15px; 
    font-weight: 700; 
    color: var(--bili-text);
}

.bili-playlist-panel.bili-playlist-grid .bili-ep-num::before {
    display: none;
}

.bili-playlist-panel.bili-playlist-grid .bili-ep-title { display: none; }

.bili-playlist-panel.bili-playlist-grid .bili-ep-playing { 
    position: absolute; 
    bottom: 3px; 
    left: 50%; 
    transform: translateX(-50%); 
    margin: 0;
    height: 10px;
    padding: 0 2px;
}

.bili-playlist-panel.bili-playlist-grid .bili-ep-playing i {
    width: 2px;
}

.bili-playlist-panel.bili-playlist-grid .bili-ep-playing i:nth-child(1) { height: 4px; }
.bili-playlist-panel.bili-playlist-grid .bili-ep-playing i:nth-child(2) { height: 7px; }
.bili-playlist-panel.bili-playlist-grid .bili-ep-playing i:nth-child(3) { height: 5px; }
.bili-playlist-panel.bili-playlist-grid .bili-ep-playing i:nth-child(4) { height: 8px; }

.bili-playlist-panel.bili-playlist-grid .bili-ep-item.active .bili-ep-playing i {
    background: #fff;
    box-shadow: 0 0 4px rgba(255, 255, 255, 0.6);
}

/* 遮罩层 - 优化效果 */
.bili-playlist-mask {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 24;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.bili-playlist-mask.bili-show {
    opacity: 1;
    visibility: visible;
}

/* ==================== 全屏样式 ==================== */

.bili-player.bili-fullscreen {
    position: fixed !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    z-index: 999999 !important;
    border-radius: 0 !important;
}

.bili-player.bili-web-fullscreen {
    position: fixed !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    z-index: 999998 !important;
    border-radius: 0 !important;
}

/* ==================== 响应式 ==================== */

/* 平板设备 (768px 以下) */
@media (max-width: 768px) {
    .bili-controls { 
        padding: 25px 8px 0; 
    }
    
    .bili-btn { 
        width: 30px; 
        height: 30px; 
    }
    
    .bili-btn svg { 
        width: 18px; 
        height: 18px; 
    }
    
    .bili-time { 
        font-size: 11px; 
    }
    
    .bili-state-icon { 
        width: 52px; 
        height: 52px; 
    }
    
    .bili-state-icon svg { 
        width: 26px; 
        height: 26px; 
    }
    
    /* 隐藏弹幕输入框 - Requirements 8.1 */
    .bili-danmaku-wrap { 
        display: none; 
    }
    
    .bili-control-bar { 
        height: 36px; 
    }
    
    /* 选集面板优化 */
    .bili-playlist-panel { 
        width: 280px; 
        max-width: 75%; 
    }
    
    .bili-playlist-header { 
        padding: 12px 14px; 
    }
    
    .bili-playlist-title { 
        font-size: 14px; 
    }
    
    .bili-ep-thumb { 
        width: 80px; 
        height: 45px; 
    }
    
    .bili-ep-title { 
        font-size: 12px; 
    }
    
    .bili-playlist-panel.bili-playlist-grid .bili-chapter-list {
        grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
        gap: 6px;
    }
    
    /* 设置面板响应式 */
    .bili-settings-panel {
        min-width: 200px;
        right: 5px;
    }
    
    .bili-settings-btn {
        padding: 5px 10px;
        font-size: 11px;
    }
    
    /* 进度条优化 */
    .bili-progress-preview {
        font-size: 11px;
        padding: 5px 8px;
    }
    
    /* 顶部栏优化 */
    .bili-top-bar {
        padding: 10px 12px;
    }
    
    .bili-top-title {
        font-size: 13px;
        max-width: 70%;
    }
    
    .bili-top-info {
        font-size: 11px;
        padding: 2px 6px;
    }
}

/* 手机设备 (480px 以下) - Requirements 8.2 */
@media (max-width: 480px) {
    /* 隐藏音量滑块和次要按钮 */
    .bili-volume-panel { 
        display: none; 
    }
    
    .bili-btn-pip, 
    .bili-btn-webfull { 
        display: none; 
    }
    
    /* 简化控制栏布局 */
    .bili-controls {
        padding: 20px 6px 0;
    }
    
    .bili-control-bar {
        height: 34px;
        gap: 2px;
    }
    
    .bili-control-left,
    .bili-control-right {
        gap: 0;
    }
    
    .bili-btn {
        width: 28px;
        height: 28px;
    }
    
    .bili-btn svg {
        width: 16px;
        height: 16px;
    }
    
    .bili-time {
        font-size: 10px;
        margin-left: 4px;
    }
    
    /* 选集面板占满整个播放器宽度 - Requirements 8.4 */
    .bili-playlist-panel { 
        width: 100%; 
        max-width: none;
        border-left: none;
        box-shadow: none;
        border-radius: 0;
    }
    
    .bili-playlist-header { 
        padding: 14px 16px; 
    }
    
    .bili-playlist-title {
        font-size: 15px;
    }
    
    .bili-playlist-count {
        font-size: 11px;
    }
    
    .bili-ep-item { 
        padding: 8px 10px; 
        gap: 10px; 
    }
    
    .bili-ep-thumb { 
        width: 72px; 
        height: 40px; 
    }
    
    .bili-ep-num {
        font-size: 10px;
    }
    
    .bili-ep-title {
        font-size: 12px;
    }
    
    .bili-playlist-panel.bili-playlist-grid .bili-chapter-list {
        grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
        gap: 6px;
    }
    
    .bili-playlist-panel.bili-playlist-grid .bili-ep-num {
        font-size: 14px;
    }
    
    /* 设置面板全宽 */
    .bili-settings-panel {
        left: 10px;
        right: 10px;
        min-width: auto;
        transform-origin: bottom center;
    }
    
    .bili-settings-options {
        flex-wrap: wrap;
    }
    
    .bili-settings-btn {
        padding: 6px 10px;
        font-size: 11px;
    }
    
    /* 弹幕设置面板全宽 */
    .bili-danmaku-settings-panel {
        left: 10px;
        right: 10px;
        min-width: auto;
        transform: translateX(0) translateY(15px) scale(0.95);
        transform-origin: bottom center;
    }
    
    .bili-danmaku-settings-panel.bili-show {
        transform: translateX(0) translateY(0) scale(1);
    }
    
    /* 状态图标缩小 */
    .bili-state-icon {
        width: 48px;
        height: 48px;
    }
    
    .bili-state-icon svg {
        width: 24px;
        height: 24px;
    }
    
    /* 顶部栏优化 */
    .bili-top-bar {
        padding: 8px 10px;
    }
    
    .bili-top-title {
        font-size: 12px;
        max-width: 65%;
    }
    
    .bili-top-info {
        font-size: 10px;
    }
    
    /* 进度条优化 */
    .bili-progress-area {
        height: 20px;
    }
    
    .bili-progress-thumb {
        width: 12px;
        height: 12px;
    }
    
    .bili-progress-preview {
        font-size: 10px;
        padding: 4px 6px;
        margin-bottom: 8px;
    }
    
    /* Toast 优化 */
    .bili-toast {
        font-size: 12px;
        padding: 8px 12px;
    }
}

/* 超小屏幕 (360px 以下) */
@media (max-width: 360px) {
    .bili-controls {
        padding: 18px 4px 0;
    }
    
    .bili-control-bar {
        height: 32px;
    }
    
    .bili-btn {
        width: 26px;
        height: 26px;
    }
    
    .bili-btn svg {
        width: 14px;
        height: 14px;
    }
    
    .bili-time {
        font-size: 9px;
    }
    
    /* 隐藏设置按钮，保留核心功能 */
    .bili-btn-settings {
        display: none;
    }
    
    .bili-playlist-panel.bili-playlist-grid .bili-chapter-list {
        grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
        gap: 4px;
    }
    
    .bili-playlist-panel.bili-playlist-grid .bili-ep-num {
        font-size: 13px;
    }
    
    .bili-ep-item {
        padding: 6px 8px;
        gap: 8px;
    }
    
    .bili-ep-thumb {
        width: 64px;
        height: 36px;
    }
    
    .bili-state-icon {
        width: 44px;
        height: 44px;
    }
    
    .bili-state-icon svg {
        width: 22px;
        height: 22px;
        margin-left: 2px;
    }
}

/* 触摸设备优化 - Requirements 8.3 */
@media (hover: none) and (pointer: coarse) {
    /* 增大触摸目标 */
    .bili-btn {
        min-width: 36px;
        min-height: 36px;
    }
    
    .bili-progress-area {
        height: 28px;
    }
    
    .bili-progress {
        height: 4px;
    }
    
    .bili-progress-area.bili-hover .bili-progress,
    .bili-progress-area.bili-dragging .bili-progress {
        height: 8px;
    }
    
    .bili-progress-thumb {
        width: 16px;
        height: 16px;
    }
    
    /* 选集项增大触摸区域 */
    .bili-ep-item {
        padding: 12px;
        min-height: 60px;
    }
    
    .bili-playlist-panel.bili-playlist-grid .bili-ep-item {
        min-height: 48px;
    }
    
    /* 禁用悬停效果，改用触摸反馈 */
    .bili-btn:hover::before {
        opacity: 0;
        transform: scale(0.8);
    }
    
    .bili-btn:active::before {
        opacity: 1;
        transform: scale(1);
    }
    
    .bili-ep-item:hover {
        transform: none;
        background: transparent;
    }
    
    .bili-ep-item:active {
        background: rgba(255, 255, 255, 0.1);
        transform: scale(0.98);
    }
    
    .bili-playlist-panel.bili-playlist-grid .bili-ep-item:hover {
        transform: none;
        box-shadow: none;
    }
    
    .bili-playlist-panel.bili-playlist-grid .bili-ep-item:active {
        transform: scale(0.95);
        background: rgba(255, 255, 255, 0.15);
    }
    
    /* 音量滑块增大触摸区域 */
    .bili-volume-slider {
        width: 40px;
        height: 100px;
    }
    
    .bili-volume-track {
        width: 6px;
    }
    
    .bili-volume-thumb {
        width: 16px;
        height: 16px;
    }
    
    /* 设置按钮增大触摸区域 */
    .bili-settings-btn {
        padding: 8px 14px;
        min-height: 36px;
    }
    
    .bili-danmaku-opt-btn {
        padding: 8px 14px;
        min-height: 36px;
    }
    
    /* 播放列表操作按钮增大 */
    .bili-playlist-actions button {
        width: 36px;
        height: 36px;
    }
}

/* 横屏模式优化 */
@media (max-height: 400px) and (orientation: landscape) {
    .bili-controls {
        padding: 15px 8px 0;
    }
    
    .bili-control-bar {
        height: 32px;
    }
    
    .bili-top-bar {
        padding: 6px 10px;
    }
    
    .bili-state-icon {
        width: 40px;
        height: 40px;
    }
    
    .bili-state-icon svg {
        width: 20px;
        height: 20px;
    }
    
    .bili-playlist-panel {
        max-width: 50%;
    }
    
    .bili-settings-panel {
        max-height: 80vh;
        overflow-y: auto;
    }
}

/* 隐藏原生控件 */
.bili-video::-webkit-media-controls { display: none !important; }
.bili-video::-webkit-media-controls-enclosure { display: none !important; }

#moeplayer { position: absolute; inset: 0; }