@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", 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transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.static{position:static}.start{inset-inline-start:var(--spacing)}.table{display:table}}:root{--ink:#19231f;--muted:#6e7772;--line:#e4e8e5;--paper:#f6f7f4;--brand:#1f7a55;--brand-dark:#155d40;--soft:#eaf5ef}*{box-sizing:border-box}html{background:var(--paper)}body{color:var(--ink);margin:0;font-family:Microsoft YaHei,PingFang SC,Arial,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.app-shell{background:var(--paper);min-height:100vh}.topbar{border-bottom:1px solid var(--line);z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#ffffffeb;justify-content:space-between;align-items:center;height:68px;padding:0 5vw;display:flex;position:sticky;top:0}.brand{letter-spacing:-.02em;align-items:center;gap:11px;font-size:20px;font-weight:800;display:flex}.brand-mark{color:#fff;background:var(--brand);border-radius:10px 10px 10px 3px;place-items:center;width:34px;height:34px;display:grid;box-shadow:0 7px 18px #1f7a5533}.brand small{color:var(--muted);margin-left:4px;font-size:12px;font-weight:500}.top-pill{border:1px solid var(--line);color:var(--muted);background:#fff;border-radius:999px;padding:7px 12px;font-size:13px}.top-button{cursor:pointer}.main{width:min(1180px,90vw);margin:0 auto;padding:48px 0 80px}.hero{justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px;display:flex}.eyebrow{color:var(--brand);letter-spacing:.12em;margin-bottom:10px;font-size:13px;font-weight:800}h1{letter-spacing:-.04em;margin:0 0 10px;font-size:clamp(30px,4vw,46px);line-height:1.1}.hero p{color:var(--muted);margin:0;font-size:15px}.btn{border:0;border-radius:11px;justify-content:center;align-items:center;gap:8px;padding:11px 17px;font-weight:700;transition:all .18s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.55;cursor:wait;transform:none}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px #1f7a552e}.btn-primary:hover{background:var(--brand-dark)}.btn-ghost{border:1px solid var(--line);color:var(--ink);background:#fff}.btn-danger{color:#a43f3f;background:#fff7f7;border:1px solid #f0dada}.panel{border:1px solid var(--line);background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 14px 50px #18271f0d}.panel-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:18px 22px;display:flex}.panel-head h2{margin:0;font-size:16px}.count{color:var(--muted);font-size:13px}.library-layout{grid-template-columns:250px minmax(0,1fr);min-height:420px;display:grid}.library-content{border-left:1px solid var(--line);min-width:0}.folder-sidebar{background:#fbfcfa;padding:18px 14px}.folder-sidebar-title{justify-content:space-between;align-items:center;padding:0 7px 12px;font-size:14px;display:flex}.folder-sidebar-title span{color:var(--muted);font-size:12px}.folder-create{gap:7px;margin-bottom:14px;display:flex}.folder-create input{border:1px solid #dfe4e1;border-radius:9px;outline:none;width:100%;min-width:0;padding:9px 10px}.folder-create input:focus{border-color:var(--brand);box-shadow:0 0 0 3px #1f7a5517}.folder-create .btn{flex:0 0 38px;padding:8px}.folder-nav{gap:5px;display:grid}.folder-nav-item{width:100%;min-width:0;color:var(--ink);text-align:left;background:0 0;border:0;border-radius:9px;justify-content:space-between;align-items:center;gap:10px;padding:10px;display:flex}.folder-nav-item span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.folder-nav-item b{color:var(--muted);flex:none;font-size:11px;font-weight:600}.folder-nav-item:hover,.folder-nav-item.active,.folder-entry.active{background:var(--soft);color:var(--brand-dark)}.folder-entry{border-radius:9px;grid-template-columns:minmax(0,1fr) 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22px;display:grid}.video-row:last-child{border-bottom:0}.thumb{aspect-ratio:16/10;color:#fff;background:linear-gradient(145deg,#1a2822,#315d49);border-radius:10px;place-items:center;width:76px;display:grid}.video-name{margin-bottom:7px;font-weight:750}.video-meta{color:var(--muted);font-size:12px}.row-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.row-actions .btn{padding:8px 11px;font-size:13px}.form-card{border-bottom:1px solid var(--line);background:#fbfcfa;padding:22px}.form-title{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.form-title h3{margin:0;font-size:17px}.form-grid{grid-template-columns:1fr 1.6fr auto;align-items:end;gap:14px;display:grid}.upload-grid{grid-template-columns:1fr .8fr 1.4fr auto}.field label{margin-bottom:7px;font-size:12px;font-weight:750;display:block}.field input,.field select,.comment-box textarea,.name-input{background:#fff;border:1px solid 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66px);display:grid}.stage{background:#111513;place-items:center;padding:30px;display:grid;position:relative;overflow:hidden}.player-shell{flex-direction:column;align-items:stretch;gap:12px;width:100%;height:100%;min-height:0;max-height:100%;display:flex}.stage video{object-fit:contain;background:#000;border-radius:4px;flex:auto;width:100%;max-width:100%;min-height:0;max-height:100%;box-shadow:0 20px 70px #00000047}.player-toolbar{color:#d9dfdc;justify-content:space-between;align-items:center;gap:16px;font-size:12px;display:flex}.frame-controls{align-items:center;gap:8px;display:flex}.frame-controls button{color:#f5f7f6;cursor:pointer;background:#202824;border:1px solid #49534e;border-radius:8px;min-height:34px;padding:7px 11px}.frame-controls button:hover{background:#2a352f;border-color:#829189}.frame-controls button:focus-visible,.speed-control select:focus-visible{outline-offset:2px;outline:2px solid #93d4b5}.speed-control{white-space:nowrap;align-items:center;gap:8px;display:flex}.speed-control select{color:#f5f7f6;background:#202824;border:1px solid #49534e;border-radius:8px;width:auto;min-width:78px;padding:7px 28px 7px 10px}.player-error{color:#fff;text-align:center;background:#8a1f1feb;border-radius:8px;max-width:calc(100% - 48px);padding:10px 14px;font-size:13px;position:absolute;bottom:44px;left:50%;transform:translate(-50%)}.comments{border-left:1px solid var(--line);background:#fff;flex-direction:column;min-height:0;display:flex}.comments-head{border-bottom:1px solid var(--line);padding:20px}.comments-head h2{margin:0 0 5px;font-size:16px}.comments-head p{color:var(--muted);margin:0;font-size:12px}.comment-warning{color:#81582c;background:#fff5e8;border-radius:9px;margin:12px 20px 0;padding:10px 12px;font-size:12px;line-height:1.55}.comment-box{border-bottom:1px solid var(--line);padding:16px 20px}.comment-box-top{gap:9px;margin-bottom:9px;display:flex}.time-chip{min-width:65px;color:var(--brand-dark);background:var(--soft);font-variant-numeric:tabular-nums;text-align:center;border:1px solid #cfe4d8;border-radius:9px;padding:9px;font-weight:750}.name-input{min-width:0}.comment-box textarea{resize:vertical;min-height:76px}.comment-submit{color:var(--muted);justify-content:space-between;align-items:center;margin-top:9px;font-size:11px;display:flex}.submit-message{color:#a43f3f;min-height:18px;margin-top:7px;font-size:12px}.submit-message.success{color:var(--brand-dark)}.comment-list{flex:1;padding:8px 20px 30px;overflow-y:auto}.comment{border-bottom:1px solid #edf0ee;grid-template-columns:52px 1fr;gap:12px;padding:15px 0;display:grid}.comment-time{color:var(--brand);font-variant-numeric:tabular-nums;text-align:left;background:0 0;border:0;align-self:start;padding:2px 0;font-size:13px;font-weight:800}.comment-author{margin-bottom:5px;font-size:13px;font-weight:750}.comment-text{color:#3c4641;white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.6}.comment-date{color:#9aa19d;margin-top:7px;font-size:11px}.comment-delete{color:#b14d4d;background:0 0;border:0;margin-left:10px;padding:0;font-size:11px}.comment-empty{color:var(--muted);text-align:center;padding:45px 10px;font-size:13px;line-height:1.7}.loading{min-height:70vh;color:var(--muted);place-items:center;display:grid}.error-screen{text-align:center;border:1px solid var(--line);background:#fff;border-radius:18px;max-width:520px;margin:15vh auto;padding:35px}.login-page{background:radial-gradient(circle at 20% 10%,#e4f2e9 0,transparent 34%),var(--paper);place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{border:1px solid var(--line);background:#fff;border-radius:22px;width:min(440px,100%);padding:34px;box-shadow:0 20px 70px #18271f1a}.login-copy{margin:42px 0 28px}.login-copy h1{font-size:32px}.login-copy p{color:var(--muted);font-size:14px;line-height:1.7}.login-button{width:100%;margin-top:18px}.login-error{color:#a43f3f;margin-top:10px;font-size:13px}.login-stack{width:min(440px,100%)}.login-stack .login-card{width:100%}.site-footer{color:var(--muted);text-align:center;flex-wrap:wrap;justify-content:center;gap:14px;padding:18px 24px 26px;font-size:12px;display:flex}.site-footer a{color:var(--brand-dark)}.login-stack .site-footer{padding-bottom:0}.site-footer-compact{border-top:1px solid var(--line);flex:none;padding:11px 16px;font-size:10px}@media (max-width:780px){html,body{max-width:100%;overflow-x:hidden}.topbar{height:60px;padding:0 14px}.brand small,.top-pill{display:none}.brand{gap:8px;font-size:18px}.brand-mark{width:32px;height:32px}.main{width:calc(100% - 24px);padding:26px 0 48px}.hero{flex-direction:column;align-items:stretch;gap:20px;margin-bottom:22px}.hero .btn{width:100%;min-height:46px}.panel{border-radius:14px}.panel-head{padding:16px}.library-layout{grid-template-columns:1fr}.library-content{border-left:0;border-top:1px solid var(--line)}.folder-sidebar{padding:14px}.folder-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.folder-entry{min-width:0}.form-card{padding:16px}.form-grid{grid-template-columns:1fr}.form-grid>.btn{width:100%;min-height:46px}.field input{min-width:0;max-width:100%}.video-row{grid-template-columns:58px minmax(0,1fr);gap:12px;padding:16px}.thumb{width:58px}.video-name,.video-meta{overflow-wrap:anywhere}.row-actions{grid-column:1/-1;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;display:grid}.row-actions .btn{white-space:nowrap;width:100%;min-height:44px;padding:8px 6px}.review-head{height:60px;padding:0 14px}.review-head-left{min-width:0}.review-title{white-space:nowrap;text-overflow:ellipsis;min-width:0;max-width:55vw;margin-left:10px;padding-left:10px;overflow:hidden}.viewer{flex-direction:column;height:auto;min-height:calc(100vh - 60px);display:flex}.stage{height:auto;min-height:38vh;padding:10px}.player-shell{height:auto;max-height:none}.stage video{max-height:60vh}.player-toolbar{flex-direction:column;align-items:stretch;gap:9px}.frame-controls{grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.frame-controls button{min-height:42px;padding:7px 5px}.speed-control{justify-content:space-between}.speed-control select{min-height:42px}.comments{border-left:0;min-height:0}.comments-head{padding:18px 16px}.comment-warning{margin:12px 16px 0}.comment-box{padding:14px 16px 16px}.comment-box-top{gap:8px}.time-chip{place-items:center;min-width:72px;display:grid}.name-input,.comment-box textarea{font-size:16px}.comment-box textarea{min-height:96px}.comment-submit{flex-direction:column;align-items:stretch;gap:10px}.comment-submit .btn{width:100%;min-height:48px}.submit-message{line-height:1.55}.comment-list{padding:8px 16px max(30px,env(safe-area-inset-bottom));overflow:visible}.comment{grid-template-columns:48px minmax(0,1fr);gap:10px}.login-card{padding:26px 22px}.alert{margin:0 16px 14px}}@media (max-width:390px){.review-head .brand{font-size:16px}.review-title{max-width:48vw;font-size:14px}.row-actions{grid-template-columns:1fr}.comment-box-top{flex-direction:column;align-items:stretch}.time-chip{width:100%;min-height:44px}}