:root{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:#18241f;background:#f5f7f5;font-synthesis:none;--green:#176c4c}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer;border:0;border-radius:8px;padding:13px 23px;background:var(--green);color:white;font-weight:600}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #82cda7;outline-offset:3px}[hidden]{display:none!important}.viewer{max-width:1056px;margin:auto;padding:40px 40px 28px}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dfe5e0;padding-bottom:24px}.brand{font-size:19px;font-weight:700;letter-spacing:3px}#logo{max-width:180px;max-height:56px;object-fit:contain}.header-note{font-size:13px;color:#6b7970}.intro{padding:36px 0 24px}h1{font-size:32px;line-height:1.3;margin:0 0 12px;overflow-wrap:anywhere}p{line-height:1.7;color:#6b7970;margin:0;white-space:pre-line;overflow-wrap:anywhere}.screen{background:#101b16;aspect-ratio:16/9;position:relative;overflow:hidden;border-radius:12px}video{width:100%;height:100%;display:block}.cover{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:20px;background:#101b16;color:#fff}.cover h2{font-size:21px;margin:12px 0}.cover p{color:#aabcb0;font-size:14px;margin-bottom:24px}.play-symbol{font-size:44px;color:#8ac5a7}.status-line{display:flex;justify-content:space-between;align-items:center;padding:16px 0;font-size:14px;gap:12px}.text-button{background:none;color:var(--green);padding:8px 0;font-size:14px}footer{border-top:1px solid #dfe5e0;padding-top:24px;color:#7a867e;font-size:12px;line-height:1.9}.admin{max-width:680px;margin:40px auto;padding:0 24px}.admin header{margin-bottom:30px}.admin a{color:var(--green)}form{background:white;padding:28px;border:1px solid #dfe5e0;border-radius:12px;margin-bottom:24px}label{display:block;font-size:14px;font-weight:600;margin-bottom:20px}input,textarea,select{display:block;width:100%;padding:12px;margin-top:8px;border:1px solid #ccd7cf;border-radius:6px;background:white;color:#18241f}textarea{min-height:96px;resize:vertical}.hint{font-size:13px;margin:12px 0 20px}.admin h2{font-size:20px;margin:0 0 24px}.admin #preview{max-height:90px;max-width:240px;display:block;margin:16px 0}.notice{min-height:28px;margin:12px 0;color:var(--green)}@media(max-width:600px){.viewer{padding:24px 16px}.intro{padding:28px 0 20px}h1{font-size:26px}.screen{border-radius:8px}.cover h2{font-size:17px}.cover p{margin-bottom:12px;font-size:12px}.play-symbol{font-size:28px}.cover button{padding:10px 20px}.admin{margin:24px auto}form{padding:20px}}
.checkbox{display:flex;align-items:center;gap:10px;font-weight:400}.checkbox input{width:auto;margin:0}.admin #test-video{width:100%;aspect-ratio:16/9;background:#101b16;margin-top:20px;border-radius:8px}

.live-controls{display:flex;align-items:center;gap:18px;padding:12px 0;border-bottom:1px solid #dfe5e0}.live-controls button{background:transparent;color:var(--green);padding:8px 4px;font-size:14px}.live-label{color:#6b7970;font-size:13px;flex:1}.screen:fullscreen{width:100vw;height:100vh;aspect-ratio:auto;border-radius:0}.screen:fullscreen video{object-fit:contain}

.timeline{display:flex;align-items:center;gap:12px;padding:14px 0 0;font-size:12px;font-variant-numeric:tabular-nums;color:#6b7970}.timeline input{flex:1;min-width:0;width:auto;margin:0;padding:0;accent-color:#176c4c;cursor:pointer}.timeline span{min-width:40px}.live-controls .live-label{text-align:right;flex:1;color:#176c4c}

/* Viewer: title branding and integrated player controls. */
.viewer .intro{padding:0 0 24px}.title-row{display:flex;align-items:center;gap:14px;margin-bottom:12px}.title-row h1{margin:0;min-width:0}.title-row #logo{width:auto;max-width:100px;height:44px;max-height:44px;flex-shrink:0;object-fit:contain}.player-chrome{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:28px 20px 10px;background:linear-gradient(transparent,rgba(0,0,0,.85));color:white;transition:opacity .18s}.screen.is-idle .player-chrome{opacity:0;pointer-events:none}.screen .timeline{padding:0;color:#fff;gap:10px}.screen .timeline input{border:0;height:18px;accent-color:#75c59d;background:transparent}.screen .live-controls{padding:3px 0 0;border:0;gap:16px}.screen .live-controls button{color:#fff;font-size:13px;font-weight:500;padding:8px 2px;border-radius:3px}.screen .live-controls .live-label{color:#85d6ab}.screen .live-controls button:hover{color:#85d6ab}.screen .timeline span{min-width:38px}.cover{z-index:3}@media(max-width:600px){.title-row{gap:10px}.title-row #logo{height:34px;max-height:34px;max-width:70px}.player-chrome{padding:18px 12px 5px}.screen .live-controls{gap:12px}.screen .live-controls button{font-size:12px;padding:5px 1px}.screen .timeline{font-size:11px;gap:6px}.viewer .intro{padding:0 0 20px}}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.screen .live-controls button:not(.live-label){display:inline-flex;align-items:center;justify-content:center;min-width:32px;min-height:32px}.live-controls svg{width:20px;height:20px;display:block}.pause-mark,.muted-mark{display:none}.is-playing .pause-mark,.is-muted .muted-mark{display:block}.is-playing .play-mark,.is-muted .sound-waves{display:none}

.screen .timeline span{width:8ch;min-width:8ch;flex-shrink:0;white-space:nowrap}.screen .timeline span:last-child{text-align:right}.screen .live-controls{position:relative}.screen .live-controls #return-live{position:absolute;left:50%;transform:translateX(-50%);padding:5px 10px;border:1px solid rgba(255,255,255,.4);background:rgba(0,0,0,.3);border-radius:5px;color:white;font-size:12px;white-space:nowrap}@media(max-width:400px){.screen .live-controls #return-live{font-size:11px;padding:4px 6px}.screen .live-controls{gap:8px}.screen .timeline span{width:6ch;min-width:6ch}}

#last-frame{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#101b16;z-index:1;pointer-events:none}#switching{position:absolute;left:50%;top:45%;transform:translate(-50%,-50%);z-index:2;display:flex;align-items:center;gap:8px;background:rgba(0,0,0,.55);color:white;padding:9px 13px;border-radius:8px;font-size:13px;pointer-events:none}.spinner{width:17px;height:17px;border:2px solid rgba(255,255,255,.35);border-top-color:white;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.spinner{animation:none}}

#share-open{position:fixed;right:max(22px,env(safe-area-inset-right));bottom:max(22px,env(safe-area-inset-bottom));z-index:5;display:flex;align-items:center;gap:8px;padding:12px 18px;border-radius:24px;box-shadow:0 4px 20px #0002}#share-open svg{width:20px;height:20px}#share-dialog{position:fixed;max-width:380px;width:calc(100% - 32px);max-height:calc(100dvh - 32px);overflow:auto;border:0;border-radius:16px;padding:28px;color:#18241f;background:white;text-align:center;box-shadow:0 16px 60px #0003}#share-dialog::backdrop{background:rgba(0,0,0,.5)}#share-dialog h2{font-size:22px;margin:0 0 6px}#share-dialog p{font-size:14px}#share-dialog .share-close{position:absolute;right:8px;top:6px;background:none;color:#6b7970;font-size:26px;padding:4px 10px}#share-qr{display:block;width:224px;height:224px;max-width:100%;object-fit:contain;margin:12px auto}#share-dialog label{text-align:left;margin:0 0 8px;font-size:13px}.share-link-row{display:flex;align-items:center;gap:8px}.share-link-row input{margin:0;min-width:0;flex:1;font-size:13px}.share-link-row button{padding:12px;flex-shrink:0}#share-save{display:block;background:var(--green);color:white;text-decoration:none;border-radius:8px;padding:12px;margin:18px 0 10px;font-weight:600}#share-dialog .share-hint{font-size:12px}#share-notice{min-height:24px;margin-top:8px;color:var(--green)}@media(max-width:600px){#share-open{right:16px;bottom:max(16px,env(safe-area-inset-bottom));padding:10px 15px}.viewer footer{padding-bottom:56px}}

.viewer-footer{display:flex;align-items:center;justify-content:space-between;gap:16px}.viewer-footer>div{min-width:0}.viewer-footer #share-open{position:static;flex-shrink:0;z-index:auto;box-shadow:none;padding:10px 15px}@media(max-width:600px){.viewer .viewer-footer{padding-bottom:0;gap:12px}.viewer-footer #share-open{padding:9px 12px;font-size:13px}}

#share-notice:empty{display:none}#share-dialog{padding-bottom:20px}#share-notice:not(:empty){min-height:0;margin-top:8px}


.developer-credit{text-align:center;color:#9aa39d;font-size:11px;line-height:1.5;margin-top:20px}.developer-credit #developer-entry{display:inline;padding:0;background:transparent;color:inherit;font-size:inherit;font-weight:400;border-radius:2px;cursor:pointer}.developer-credit #developer-entry:hover{color:#6b7970}

.viewer-page{min-height:100vh;min-height:100svh;display:flex;flex-direction:column}.viewer-page .viewer{flex:1;width:100%}.viewer-page>.developer-credit{margin:16px 0 20px}.admin-card{background:white;padding:28px;border:1px solid #dfe5e0;border-radius:12px;margin-bottom:24px}.state-slot{position:relative;height:52px;padding:4px;border-radius:12px;background:#e7ece8;box-shadow:inset 0 2px 5px #173a2320,inset 0 1px 2px #173a2310}.state-thumb{position:absolute;left:4px;top:4px;bottom:4px;width:calc((100% - 8px)/3);border-radius:9px;background:white;box-shadow:0 2px 6px #183d2825;transition:transform .16s}.state-slot[data-value="1"] .state-thumb{transform:translateX(100%)}.state-slot[data-value="2"] .state-thumb{transform:translateX(200%)}.state-labels{position:relative;display:grid;grid-template-columns:repeat(3,1fr);height:100%;align-items:center;text-align:center;color:#78837b;font-size:14px;font-weight:600;pointer-events:none}.state-slot[data-value="0"] .state-labels span:nth-child(1),.state-slot[data-value="1"] .state-labels span:nth-child(2),.state-slot[data-value="2"] .state-labels span:nth-child(3){color:var(--green)}.state-slot #status{position:absolute;inset:4px;width:calc(100% - 8px);height:44px;margin:0;padding:0;border:0;opacity:0;cursor:ew-resize;appearance:none}.state-slot #status::-webkit-slider-thumb{appearance:none;width:33.333%;height:44px}.state-slot #status::-moz-range-thumb{width:33.333%;height:44px;border:0}.state-slot:focus-within{outline:3px solid #82cda7;outline-offset:3px}.state-slot:has(input:disabled){opacity:.6}.admin-card .hint:last-child{margin-bottom:0}@media(max-width:600px){.admin-card{padding:20px}}

.state-slot .state-labels span:nth-child(1),.state-slot[data-value="0"] .state-labels span:nth-child(1){color:#78837b}.state-slot .state-labels span:nth-child(2){color:#176c4c}.state-slot .state-labels span:nth-child(3),.state-slot[data-value="2"] .state-labels span:nth-child(3){color:#bd4545}.new-event-area{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:24px;padding-top:20px;border-top:1px solid #e7ece8}.new-event-area strong{font-size:14px}.new-event-area p{font-size:12px;margin-top:4px}.new-event-area #new-event{flex-shrink:0;background:#fff9f0;color:#915d20;border:1px solid #d8bf99;padding:10px 14px;font-size:13px}.event-warning{font-size:12px;color:#946c38;margin-top:10px}#event-confirm{border:0;border-radius:14px;padding:28px;width:calc(100% - 32px);max-width:440px;color:#18241f;box-shadow:0 16px 60px #0003}#event-confirm::backdrop{background:#0007}#event-confirm h2{margin:0 0 16px;font-size:22px}#event-confirm p{font-size:14px}#event-confirm .checkbox{margin:24px 0 20px;font-weight:400;align-items:flex-start;line-height:1.6}#event-confirm .checkbox input{margin-top:4px}.event-confirm-actions{display:flex;justify-content:flex-end;gap:10px}.event-confirm-actions button{padding:11px 16px;font-size:13px}#event-cancel{background:#edf0ed;color:#526257}#event-confirm-submit{background:#946225}@media(max-width:400px){.new-event-area{gap:10px}.new-event-area #new-event{padding:9px 10px}#event-confirm{padding:22px}}

.screen.controls-hidden .player-chrome{opacity:0;pointer-events:none}.screen.controls-hidden{cursor:none}.has-web-fullscreen{overflow:hidden}.screen.web-fullscreen{position:fixed;left:50%;top:50%;width:100vw;width:100dvw;height:100vh;height:100dvh;transform:translate(-50%,-50%);aspect-ratio:auto;border-radius:0;z-index:100;background:#000}.screen.web-fullscreen video{object-fit:contain}.screen.web-fullscreen .player-chrome{padding-bottom:max(10px,env(safe-area-inset-bottom))}#web-fullscreen-exit,#native-fullscreen{position:absolute;z-index:4;top:12px;background:#0007;color:white;border:1px solid #ffffff50;border-radius:8px;padding:7px 12px;font-size:13px;cursor:pointer}#web-fullscreen-exit{right:12px;font-size:24px;line-height:1;width:42px;height:42px;padding:0}#native-fullscreen{left:12px}@media(orientation:portrait){.screen.web-fullscreen{width:100vh;width:100dvh;height:100vw;height:100dvw;transform:translate(-50%,-50%) rotate(90deg)}}@media(prefers-reduced-motion:reduce){.player-chrome{transition:none}}

.playback-statistics{font-size:12px;color:#6b7970;margin:0 0 20px;line-height:1.8}.playback-statistics summary{cursor:pointer}.playback-statistics p{margin-top:10px}.playback-statistics .hint{font-size:12px;margin-bottom:0}

/* Compact administration: one section at a time. */
.admin{max-width:1100px}.admin header{margin-bottom:16px;padding-bottom:16px}.admin header h1{margin:0}.admin .notice{margin:8px 0 16px}.admin-nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:8px;padding:10px 0 14px;background:#f5f7f5;border-bottom:1px solid #dfe5e0;margin-bottom:24px}.admin-nav button{min-height:44px;padding:10px 22px;background:transparent;color:#526257;font-weight:600}.admin-nav button[aria-pressed=true]{background:var(--green);color:white}.admin-nav #logout{margin-left:auto;padding:10px 12px;font-size:13px}.admin-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}.admin-section>form,.admin-section>.admin-card{min-width:0;margin-bottom:0;padding:24px}.admin-section h2{font-size:18px;margin-bottom:20px}.admin-section label{margin-bottom:16px}.admin-section .hint{margin:10px 0 16px}.admin-section .new-event-area{margin-top:20px;padding-top:16px}#section-account{grid-template-columns:minmax(0,520px)}#login{max-width:520px}.statistics-setting{display:flex;align-items:center;gap:20px;justify-content:space-between}.statistics-setting span{min-width:0}.statistics-setting small{display:block;font-size:13px;font-weight:400;color:#526257;line-height:1.7;margin-top:8px}.statistics-setting input{width:44px;height:44px;flex-shrink:0;margin:0;accent-color:var(--green);cursor:pointer}#diagnostic-results p{padding:12px 0;border-bottom:1px solid #edf0ed;font-size:14px;color:#526257}#diagnostic-results p:last-child{border:0}@media(max-width:700px){.admin{margin:20px auto;padding:0 16px}.admin header h1{font-size:24px}.admin header a{font-size:13px}.admin-nav{gap:4px;margin-bottom:16px;padding:8px 0 12px;flex-wrap:wrap}.admin-nav button{flex:1;padding:10px 8px;font-size:14px}.admin-nav #logout{flex:0 0 auto;margin-left:0;width:100%;text-align:right;min-height:32px;padding:4px 8px}.admin-section{grid-template-columns:minmax(0,1fr);gap:16px}.admin-section>form,.admin-section>.admin-card{padding:20px}#section-account{grid-template-columns:minmax(0,1fr)}}

.admin .notice:empty{display:none}.statistics-setting input{appearance:none;width:46px;height:28px;padding:3px;border:0;border-radius:20px;background:#ccd7cf;position:relative}.statistics-setting input::before{content:'';display:block;width:22px;height:22px;border-radius:50%;background:white;box-shadow:0 1px 3px #0002;transition:transform .15s}.statistics-setting input:checked{background:var(--green)}.statistics-setting input:checked::before{transform:translateX(18px)}.admin-section>#logout{justify-self:start;min-height:44px}@media(prefers-reduced-motion:reduce){.statistics-setting input::before{transition:none}}

.live-overview{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;background:white;border:1px solid #dfe5e0;border-radius:12px;padding:22px 24px}.live-overview span{display:block;font-size:13px;color:#526257;margin-bottom:8px}.live-overview strong{display:block;font-size:20px}.live-overview p{grid-column:1/-1;font-size:12px;color:#526257}.live-overview strong[data-state=pass]{color:var(--green)}.live-overview strong[data-state=fail]{color:#a43a32}#advanced-playback{margin:16px 0}#advanced-playback summary{cursor:pointer;min-height:44px;line-height:1.6;padding:10px 0;font-size:14px;font-weight:600;color:var(--green)}.advanced-fields{border-top:1px solid #dfe5e0;padding-top:20px;margin-top:8px}.statistics-setting input:disabled{opacity:.55;cursor:wait}#statistics-notice{margin-bottom:0}#playback-summary{overflow-wrap:anywhere}@media(max-width:700px){.live-overview{gap:16px 8px;padding:18px}.live-overview strong{font-size:17px}.live-overview span{font-size:12px}}

.form-feedback{font-size:13px;color:var(--green);margin-top:14px}.form-feedback:empty{display:none}.form-feedback[data-error=true]{color:#a43a32}[aria-invalid=true]{border-color:#a43a32}#draft-confirm{border:0;border-radius:14px;padding:26px;max-width:440px;width:calc(100% - 32px);color:#18241f}#draft-confirm::backdrop{background:#0007}#draft-confirm h2{font-size:20px;margin:0 0 16px}#draft-confirm p{font-size:14px;margin-bottom:22px}#draft-stay{background:#edf0ed;color:#526257}#buffering-hint{position:absolute;left:50%;top:45%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:8px;z-index:2;padding:9px 13px;background:#0009;color:white;border-radius:8px;font-size:13px;pointer-events:none}