:root{--bg-primary-light: #f2f2f7;--bg-primary-dark: #000000;--bg-secondary-light: #ffffff;--bg-secondary-dark: #1c1c1e;--bg-tertiary-light: #f2f2f7;--bg-tertiary-dark: #2c2c2e;--text-primary-light: #111114;--text-primary-dark: #f5f5f7;--text-secondary-light: #6c6c70;--text-secondary-dark: #98989d;--border-subtle-light: rgba(0, 0, 0, .08);--border-subtle-dark: rgba(255, 255, 255, .1);--navbar-bg-light: rgba(255, 255, 255, .85);--navbar-bg-dark: rgba(28, 28, 30, .85);--accent-blue: #007aff;--accent-red: #ff3b30;--accent-green: #34c759;--accent-orange: #ff9500;--accent-purple: #af52de;--bg-primary: var(--bg-primary-light);--bg-secondary: var(--bg-secondary-light);--bg-tertiary: var(--bg-tertiary-light);--text-primary: var(--text-primary-light);--text-secondary: var(--text-secondary-light);--border-subtle: var(--border-subtle-light);--navbar-bg: var(--navbar-bg-light);color-scheme:light dark;accent-color:var(--accent-blue)}@media(prefers-color-scheme:dark){:root{--bg-primary: var(--bg-primary-dark);--bg-secondary: var(--bg-secondary-dark);--bg-tertiary: var(--bg-tertiary-dark);--text-primary: var(--text-primary-dark);--text-secondary: var(--text-secondary-dark);--border-subtle: var(--border-subtle-dark);--navbar-bg: var(--navbar-bg-dark)}}@supports (color: light-dark(white,black)){:root{--bg-primary: light-dark(var(--bg-primary-light), var(--bg-primary-dark));--bg-secondary: light-dark(var(--bg-secondary-light), var(--bg-secondary-dark));--bg-tertiary: light-dark(var(--bg-tertiary-light), var(--bg-tertiary-dark));--text-primary: light-dark(var(--text-primary-light), var(--text-primary-dark));--text-secondary: light-dark(var(--text-secondary-light), var(--text-secondary-dark));--border-subtle: light-dark(var(--border-subtle-light), var(--border-subtle-dark));--navbar-bg: light-dark(var(--navbar-bg-light), var(--navbar-bg-dark))}}:root:has(>head>meta[name=color-scheme][content=dark]){color-scheme:dark;--bg-primary: var(--bg-primary-dark);--bg-secondary: var(--bg-secondary-dark);--bg-tertiary: var(--bg-tertiary-dark);--text-primary: var(--text-primary-dark);--text-secondary: var(--text-secondary-dark);--border-subtle: var(--border-subtle-dark);--navbar-bg: var(--navbar-bg-dark)}:root:has(>head>meta[name=color-scheme][content=light]){color-scheme:light;--bg-primary: var(--bg-primary-light);--bg-secondary: var(--bg-secondary-light);--bg-tertiary: var(--bg-tertiary-light);--text-primary: var(--text-primary-light);--text-secondary: var(--text-secondary-light);--border-subtle: var(--border-subtle-light);--navbar-bg: var(--navbar-bg-light)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh}button{font-family:inherit;cursor:pointer}.theme-icon-moon{display:none}.theme-icon-sun{display:block}@media(prefers-color-scheme:light){:root:not(:has(>head>meta[name=color-scheme][content=dark])) .theme-icon-sun{display:none}:root:not(:has(>head>meta[name=color-scheme][content=dark])) .theme-icon-moon{display:block}}:root:has(>head>meta[name=color-scheme][content=light]) .theme-icon-sun{display:none}:root:has(>head>meta[name=color-scheme][content=light]) .theme-icon-moon{display:block}.app-layout{display:flex;flex-direction:column;min-height:100vh;padding-bottom:84px}.top-navbar{position:sticky;top:0;z-index:40;background:var(--navbar-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border-subtle)}.navbar-inner{max-width:1280px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-logo{display:flex;align-items:center;gap:10px;cursor:pointer;-webkit-user-select:none;user-select:none}.brand-icon{width:34px;height:34px;border-radius:8px;box-shadow:0 2px 6px #00000026}.brand-title{font-size:1.15rem;font-weight:700;letter-spacing:-.02em}.desktop-tabs{display:none;align-items:center;gap:6px;background:var(--bg-tertiary);padding:4px;border-radius:12px}@media(min-width:768px){.desktop-tabs{display:flex}.app-layout{padding-bottom:32px}}.nav-tab-btn{display:flex;align-items:center;gap:8px;border:none;background:transparent;color:var(--text-secondary);font-size:.9rem;font-weight:600;padding:8px 14px;border-radius:9px;transition:all .18s ease}.nav-tab-btn:hover{color:var(--text-primary)}.nav-tab-btn.active{background:var(--bg-secondary);color:var(--accent-blue);box-shadow:0 1px 4px #00000014}.tab-count-pill{font-size:.72rem;font-weight:700;padding:2px 6px;border-radius:999px;background:#007aff24;color:var(--accent-blue)}.navbar-actions{display:flex;align-items:center;gap:8px}.icon-action-btn{position:relative;width:38px;height:38px;border-radius:10px;border:1px solid var(--border-subtle);background:var(--bg-tertiary);color:var(--text-primary);display:flex;align-items:center;justify-content:center;transition:transform .15s ease,background .15s ease}.icon-action-btn:hover{background:var(--bg-secondary)}.icon-action-btn.filter-active{color:var(--accent-blue);border-color:var(--accent-blue)}.active-filter-dot{position:absolute;top:6px;right:6px;width:7px;height:7px;border-radius:50%;background:var(--accent-blue)}.feed-search-bar-container{max-width:1280px;margin:0 auto;padding:0 16px 12px}.search-input-wrapper{position:relative;display:flex;align-items:center;width:100%}.search-icon{position:absolute;left:12px;color:var(--text-secondary);pointer-events:none}.search-input{width:100%;padding:10px 14px 10px 38px;border-radius:10px;border:1px solid var(--border-subtle);background:var(--bg-tertiary);color:var(--text-primary);font-size:.95rem;outline:none;transition:border-color .15s ease}.search-input:focus{border-color:var(--accent-blue)}.main-content{flex:1;width:100%;max-width:1280px;margin:0 auto;padding:16px}.tab-view-container{display:flex;flex-direction:column;gap:18px}.dashboard-banner{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:12px;box-shadow:0 2px 10px #0000000a}.dashboard-status-bar{display:flex;align-items:center;justify-content:space-between;gap:8px}.status-indicator{display:flex;align-items:center;gap:7px}.status-dot{width:8px;height:8px;border-radius:50%;background-color:var(--accent-green);box-shadow:0 0 8px var(--accent-green)}.status-label{font-size:.9rem;font-weight:600}.sync-time-button{display:flex;align-items:center;gap:6px;border:none;background:transparent;color:var(--text-secondary);font-size:.8rem;padding:4px 6px;border-radius:6px;transition:background .15s ease,color .15s ease}.sync-time-button:hover{background:var(--bg-tertiary);color:var(--text-primary)}.sync-icon.spinning{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.dashboard-divider{border:none;border-top:1px solid var(--border-subtle)}.dashboard-metrics-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}@media(min-width:768px){.dashboard-metrics-grid{grid-template-columns:repeat(4,1fr)}}.stat-metric-card{background:var(--bg-tertiary);border:1px solid transparent;border-radius:10px;padding:9px 11px;display:flex;flex-direction:column;align-items:flex-start;gap:5px;text-align:left;width:100%}.stat-metric-card.clickable-metric{cursor:pointer;transition:transform .14s ease,border-color .14s ease}.stat-metric-card.clickable-metric:hover{border-color:var(--accent-blue);transform:translateY(-1px)}.stat-header{display:flex;align-items:center;gap:6px}.stat-title{font-size:.74rem;font-weight:500;color:var(--text-secondary);white-space:nowrap}.stat-value{font-size:.96rem;font-weight:700;color:var(--text-primary);white-space:nowrap}.icon-blue{color:var(--accent-blue)}.icon-orange{color:var(--accent-orange)}.icon-red{color:var(--accent-red)}.icon-green{color:var(--accent-green)}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:16px}.video-card{background:var(--bg-secondary);border-radius:16px;overflow:hidden;border:1px solid var(--border-subtle);box-shadow:0 3px 8px #0000000f;display:flex;flex-direction:column;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease}.video-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0000001f}.video-card-cover{position:relative;height:180px;display:flex;align-items:center;justify-content:center}.cover-center{display:flex;flex-direction:column;align-items:center;gap:8px}.play-circle-badge{width:48px;height:48px;border-radius:50%;background:#fffffff0;color:#111;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #00000038;padding-left:2px}.cover-clip-type{font-size:.72rem;font-weight:900;letter-spacing:1.5px;color:#ffffffe6}.duration-pill{position:absolute;right:8px;bottom:8px;display:flex;align-items:center;gap:4px;padding:4px 9px;border-radius:999px;background:#00000085;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff;font-size:.75rem;font-weight:600}.video-card-body{padding:12px;display:flex;flex-direction:column;gap:10px}.video-card-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.video-card-title{font-size:1rem;font-weight:600;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-card-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.card-icon-btn{border:none;background:transparent;color:var(--text-secondary);display:inline-flex;align-items:center;justify-content:center;padding:2px;transition:transform .14s ease,color .14s ease}.card-icon-btn:hover{transform:scale(1.08)}.card-icon-btn.fav-active{color:var(--accent-red)}.card-icon-btn.dl-btn{color:var(--accent-blue)}.card-icon-btn.dl-done{color:var(--accent-green);cursor:default}.card-icon-btn.dl-failed{color:var(--accent-red)}.dl-progress-btn{position:relative;width:28px;height:28px;color:var(--accent-blue)}.progress-ring{transform:rotate(-90deg)}.progress-ring-bg{fill:none;stroke:#007aff40}.progress-ring-fill{fill:none;stroke:var(--accent-blue);transition:stroke-dashoffset .2s ease}.progress-cancel-icon{position:absolute}.video-card-tags{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}.video-card-tags::-webkit-scrollbar{display:none}.tag-badge{display:inline-flex;align-items:center;white-space:nowrap;flex-shrink:0;font-size:.72rem;font-weight:600;padding:4px 9px;border-radius:999px}.badge-purple{background:#af52de26;color:var(--accent-purple)}.badge-blue{background:#007aff26;color:var(--accent-blue)}.badge-orange{background:#ff950026;color:var(--accent-orange)}.badge-green{background:#34c75926;color:var(--accent-green)}.badge-gray{background:#8e8e9329;color:var(--text-secondary)}.flow-layout-tags{display:flex;flex-wrap:wrap;gap:8px}dialog::backdrop{background-color:#0000008c;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.detail-dialog{border:none;padding:0;background:var(--bg-primary);color:var(--text-primary);width:min(100vw,720px);max-height:92vh;margin:auto;border-radius:18px;overflow:hidden;box-shadow:0 20px 50px #00000073}@media(max-width:640px){.detail-dialog{width:100vw;height:100dvh;max-height:100dvh;margin:0;border-radius:0}}.detail-modal-container{display:flex;flex-direction:column;height:100%;max-height:inherit}.detail-toolbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-secondary);border-bottom:1px solid var(--border-subtle);flex-shrink:0}.detail-toolbar-title{font-size:.98rem;font-weight:600}.toolbar-icon-btn{width:34px;height:34px;border-radius:50%;border:none;background:var(--bg-tertiary);color:var(--text-primary);display:flex;align-items:center;justify-content:center;transition:background .15s ease}.toolbar-icon-btn:hover{background:var(--border-subtle)}.detail-scroll-body{overflow-y:auto;flex:1}.detail-player-section{width:100%;aspect-ratio:16 / 9;background:#000}.player-wrapper{position:relative;width:100%;height:100%;background:#000}.video-element{width:100%;height:100%;display:block;object-fit:contain}.detail-content-padding{padding:16px 16px 28px;display:flex;flex-direction:column;gap:20px}.detail-header-info{display:flex;flex-direction:column;gap:10px}.detail-video-title{font-size:1.3rem;font-weight:700;line-height:1.3}.detail-publish-date{font-size:.9rem;color:var(--text-secondary)}.detail-description{font-size:.96rem;line-height:1.5;color:var(--text-primary)}.download-action-card{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:12px}.download-card-main-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.download-card-text{display:flex;flex-direction:column;gap:2px;min-width:0}.download-card-title{font-size:.98rem;font-weight:600}.download-card-subtitle{font-size:.84rem;color:var(--text-secondary)}.download-card-controls{display:flex;align-items:center;gap:10px;flex-shrink:0}.btn-primary-download{display:inline-flex;align-items:center;gap:7px;border:none;border-radius:9px;background:var(--accent-blue);color:#fff;font-size:.9rem;font-weight:600;padding:9px 14px}.btn-secondary-cancel{border:1px solid var(--border-subtle);border-radius:9px;background:var(--bg-tertiary);color:var(--text-primary);font-size:.85rem;font-weight:600;padding:8px 12px}.badge-downloaded-status{display:inline-flex;align-items:center;gap:6px;color:var(--accent-green);font-size:.9rem;font-weight:600}.detail-heart-circle-btn{width:38px;height:38px;border-radius:50%;border:none;background:var(--bg-tertiary);color:var(--text-secondary);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .15s ease,background .15s ease,color .15s ease}.detail-heart-circle-btn:hover{transform:scale(1.06)}.detail-heart-circle-btn.active{background:#ff3b3024;color:var(--accent-red)}.download-card-extra-row{display:flex;align-items:center;gap:10px;padding-top:10px;border-top:1px solid var(--border-subtle)}.btn-outline-action{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:8px 12px;border-radius:9px;border:1px solid var(--border-subtle);background:var(--bg-tertiary);color:var(--text-primary);font-size:.85rem;font-weight:600}.detail-section{display:flex;flex-direction:column;gap:10px}.detail-section-title{font-size:1.05rem;font-weight:600}.detail-chips-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}.detail-chip{background:var(--bg-tertiary);border-radius:10px;padding:12px 8px;display:flex;flex-direction:column;align-items:center;gap:5px;text-align:center}.chip-icon{color:var(--accent-blue)}.chip-label{font-size:.78rem;color:var(--text-secondary)}.chip-value{font-size:.92rem;font-weight:700}.mini-player-floating{position:fixed;right:16px;bottom:76px;width:224px;height:126px;border-radius:12px;overflow:hidden;background:#000;box-shadow:0 10px 28px #00000061;border:1px solid rgba(255,255,255,.22);z-index:90;animation:slideUpMini .25s cubic-bezier(.16,1,.3,1)}@media(min-width:768px){.mini-player-floating{bottom:24px;width:260px;height:146px}}@keyframes slideUpMini{0%{opacity:0;transform:translateY(24px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.mini-player-clickable{position:relative;width:100%;height:100%;cursor:pointer}.mini-player-overlay{position:absolute;inset:auto 0 0 0;height:40px;background:linear-gradient(to bottom,transparent,rgba(0,0,0,.85));display:flex;align-items:flex-end;justify-content:space-between;padding:6px 8px;color:#fff}.mini-player-title{font-size:.72rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:85%}.mini-player-close-btn{position:absolute;top:6px;right:6px;width:26px;height:26px;border-radius:50%;border:none;background:#000000bf;color:#fff;display:flex;align-items:center;justify-content:center}.filter-dialog{border:none;padding:0;background:var(--bg-secondary);color:var(--text-primary);width:min(94vw,440px);margin:auto;border-radius:16px;box-shadow:0 20px 45px #00000059}.filter-modal-container{display:flex;flex-direction:column}.filter-toolbar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border-subtle)}.filter-toolbar-title{font-size:1.05rem;font-weight:700}.filter-done-btn{border:none;background:transparent;color:var(--accent-blue);font-size:.95rem;font-weight:700}.filter-form-body{padding:18px;display:flex;flex-direction:column;gap:16px}.filter-group{display:flex;flex-direction:column;gap:6px}.filter-group-label{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary)}.filter-toggle-row{display:flex;align-items:center;justify-content:space-between;background:var(--bg-tertiary);padding:11px 14px;border-radius:10px;font-weight:500}.filter-select{width:100%;padding:11px 12px;border-radius:10px;border:1px solid var(--border-subtle);background:var(--bg-tertiary);color:var(--text-primary);font-size:.95rem}.btn-reset-filters{margin-top:4px;display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:11px;border-radius:10px;border:none;background:#ff3b3024;color:var(--accent-red);font-size:.92rem;font-weight:600}.subview-header{display:flex;flex-direction:column;gap:12px}.subview-title{font-size:1.5rem;font-weight:700}.storage-summary-banner{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:12px;padding:14px 16px;display:flex;align-items:center;gap:14px}.storage-icon-circle{width:44px;height:44px;border-radius:10px;background:#007aff24;color:var(--accent-blue);display:flex;align-items:center;justify-content:center}.storage-count-title{font-size:.95rem;font-weight:600}.storage-size-subtitle{font-size:.82rem;color:var(--text-secondary)}.downloads-list{display:flex;flex-direction:column;gap:10px}.downloaded-row-card{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:12px;padding:12px 14px;display:flex;align-items:center;gap:14px;cursor:pointer}.downloaded-play-thumb{width:52px;height:52px;border-radius:10px;background:#007aff26;color:var(--accent-blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}.downloaded-row-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.downloaded-row-title{font-size:.96rem;font-weight:600}.downloaded-row-meta{display:flex;align-items:center;gap:6px;font-size:.8rem;color:var(--text-secondary)}.downloaded-row-actions{display:flex;align-items:center;gap:8px}.row-action-btn{width:36px;height:36px;border-radius:9px;border:none;display:flex;align-items:center;justify-content:center}.save-device-btn{background:#34c75924;color:var(--accent-green)}.delete-vault-btn{background:#ff3b3024;color:var(--accent-red)}.empty-state-box{padding:64px 20px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px}.empty-state-icon{color:var(--text-secondary);opacity:.65}.error-icon{color:var(--accent-orange)}.empty-state-title{font-size:1.2rem;font-weight:700}.empty-state-desc{font-size:.92rem;color:var(--text-secondary);max-width:380px}.skeleton-card{background:var(--bg-secondary);border-radius:16px;overflow:hidden;border:1px solid var(--border-subtle)}.skeleton-banner{height:180px;background:var(--bg-tertiary);animation:pulse 1.4s ease-in-out infinite}.skeleton-lines{padding:14px;display:flex;flex-direction:column;gap:8px}.skeleton-line{height:14px;border-radius:6px;background:var(--bg-tertiary);animation:pulse 1.4s ease-in-out infinite}.line-lg{width:85%}.line-sm{width:45%}@keyframes pulse{0%,to{opacity:.55}50%{opacity:1}}.pagination-loader{display:flex;align-items:center;justify-content:center;gap:10px;padding:24px 0;color:var(--text-secondary);font-size:.88rem}.spinner-small{width:18px;height:18px;border:2px solid var(--border-subtle);border-top-color:var(--accent-blue);border-radius:50%;animation:spin .8s linear infinite}.mobile-bottom-tabbar{position:fixed;bottom:0;left:0;right:0;z-index:50;background:var(--navbar-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid var(--border-subtle);display:flex;justify-content:space-around;padding:8px 0 calc(8px + env(safe-area-inset-bottom))}@media(min-width:768px){.mobile-bottom-tabbar{display:none}}.bottom-tab-item{border:none;background:transparent;color:var(--text-secondary);display:flex;flex-direction:column;align-items:center;gap:4px;font-size:.72rem;font-weight:600;padding:4px 16px}.bottom-tab-item.active{color:var(--accent-blue)}