:root{color-scheme:light;--paper:#fffbea;--ink:#382316;--muted:#82776c;--line:#e9e4d8;--accent:#f59a12;--blue:#249bc2;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-width:320px;height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden}button,select,input{font:inherit}button,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,select:focus-visible{outline:3px solid var(--blue);outline-offset:4px}[hidden]{display:none!important}.icon-defs{position:absolute;width:0;height:0;overflow:hidden}.icon{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.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}
.topbar{height:84px;flex:0 0 84px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 36px;background:rgba(255,255,255,.63);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;white-space:nowrap}.brand h1{font-size:20px;letter-spacing:.04em;font-weight:750;margin:0}.brand-mark{width:33px;height:31px;position:relative;display:block}.brand-mark i{position:absolute;width:25px;height:20px;border-radius:5px;background:var(--accent);top:1px;left:0;transform:rotate(-8deg)}.brand-mark i+ i{background:var(--ink);left:8px;top:10px;transform:rotate(5deg);border:2px solid #fffdf4}.header-actions{display:flex;align-items:center;gap:12px}.sync-state{font-size:13px;display:flex;align-items:center;gap:7px;margin-right:15px;white-space:nowrap;color:var(--muted)}.status-dot{width:6px;height:6px;background:#aaa397;border-radius:50%}.sync-state[data-state="connected"] .status-dot{background:#59937e}.sync-state[data-state="error"] .status-dot{background:#d99a30}.button{border:1px solid transparent;min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 17px;font-size:14px;font-weight:600;border-radius:10px;transition:background .15s,transform .15s}.button:active:not(:disabled),.icon-button:active:not(:disabled){transform:translateY(1px)}.button-light{background:#fffef8;border-color:var(--line)}.button-light:hover{background:#f3efe2}.button-dark{background:var(--ink);color:#fffdf4}.button-dark:hover{background:#533726}.button-danger{background:#b54831;color:#fff}.button-danger:hover{background:#973923}.button .icon{width:18px;height:18px}
.viewer{min-height:0;flex:1;display:flex;padding:20px 28px 8px;position:relative}.slide-stage{width:100%;height:100%;min-height:0;overflow:hidden;position:relative;border:1px solid rgba(103,79,44,.08);border-radius:13px;background:#fff9e4;touch-action:pan-y}.slide-track{position:relative;width:100%;height:100%}.slide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#fff9e4;transition:transform .65s cubic-bezier(.22,.7,.25,1);will-change:transform}.slide img{display:block;width:100%;height:100%;object-fit:contain;user-select:none;-webkit-user-drag:none}.image-error{position:absolute;left:50%;bottom:20px;transform:translateX(-50%);border-radius:8px;background:rgba(255,255,255,.95);padding:10px 16px;font-size:14px;box-shadow:0 3px 12px #0001;max-width:90%;text-align:center}
.playback{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:20px;min-height:88px;padding:14px 36px 20px;flex:0 0 auto}.slide-info{min-width:0;display:flex;align-items:center;gap:18px}.counter{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}.counter strong{font-size:22px;font-weight:700;color:var(--ink)}.counter-slash{color:#c5b9a5}#slide-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:13px;max-width:240px}.transport{display:flex;gap:15px;align-items:center}.icon-button{display:inline-flex;justify-content:center;align-items:center;background:transparent;border:0;width:42px;height:42px;border-radius:50%}.icon-button:hover{background:#eee8da}.play-button{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:var(--ink);color:var(--paper);border:0;border-radius:50%;transition:background .15s,transform .15s}.play-button:hover{background:#5e422c;transform:scale(1.04)}.playback-options{display:flex;align-items:center;justify-content:flex-end;gap:16px}.playing-label{color:var(--muted);font-size:13px}.interval-label select{appearance:auto;background:transparent;border:1px solid #e4dccb;border-radius:8px;padding:9px 7px 9px 12px;font-size:13px;color:var(--ink);cursor:pointer;max-width:140px}.time-track{position:absolute;height:3px;bottom:0;left:0;width:100%;background:#eae3cc;overflow:hidden}#time-progress{height:100%;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;will-change:transform}
.empty-state{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px}.empty-icon{display:flex;align-items:center;justify-content:center;width:66px;height:66px;border-radius:20px;background:#f4eacf;color:#9d7544;margin-bottom:18px}.empty-icon .icon{width:30px;height:30px}.empty-state h2{font-size:24px;margin:0 0 10px}.empty-state p{font-size:15px;color:var(--muted);margin:0 0 24px}
dialog{color:var(--ink);border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 100px #3823162b;background:#fffcf3;padding:0;overscroll-behavior:contain}dialog::backdrop{background:rgba(28,22,15,.34);backdrop-filter:blur(5px)}.manager{width:min(800px,calc(100vw - 32px));max-height:calc(100dvh - 64px);padding:28px;overflow:auto}.manager-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}.eyebrow{margin:0 0 6px;color:var(--muted);font-size:13px;letter-spacing:.07em}.manager h2{margin:0;font-size:26px;line-height:1.35}.manager h2 span{font-size:14px;vertical-align:middle;border-radius:7px;padding:3px 9px;background:#eee7d5;margin-left:8px;font-weight:500}.manager-note{color:var(--muted);font-size:14px;line-height:1.6;margin:12px 0 22px}.setup-note{padding:14px 16px;border:1px solid #eedcb4;background:#fff4d5;border-radius:9px;font-size:14px;line-height:1.75;margin-bottom:16px}.upload-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;width:100%;min-height:164px;padding:24px 12px;border:1.5px dashed #cfc0a4;border-radius:13px;background:#faf4e4;transition:background .2s,border-color .2s}.upload-zone:hover:not(:disabled),.upload-zone.dragging{background:#fff0cf;border-color:var(--accent)}.upload-icon{display:flex;align-items:center;justify-content:center;background:#fffcf3;border:1px solid #e9dfc9;border-radius:11px;width:42px;height:42px;margin-bottom:4px}.upload-zone strong{font-size:15px;font-weight:600}.upload-zone>span:last-child{font-size:12px;color:var(--muted);line-height:1.5}.upload-progress{font-size:14px;line-height:1.65;margin-top:16px;padding:11px 14px;background:#f3ebd9;border-radius:8px;white-space:pre-line}.manager-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}.image-card{position:relative;min-width:0;border-radius:11px;border:1px solid var(--line);overflow:hidden;background:#fffef9}.image-card img{display:block;width:100%;aspect-ratio:1980/1080;object-fit:contain;background:#fff9e4}.card-meta{border-top:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:10px 10px 10px 13px}.card-title{min-width:0;flex:1}.card-title strong{display:block;font-size:14px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card-title span{display:block;font-size:12px;color:var(--muted);margin-top:3px}.delete-button{flex-shrink:0;background:transparent;border:0;border-radius:7px;display:flex;align-items:center;justify-content:center;width:36px;height:36px;color:#8a6e57}.delete-button:hover{background:#f8e6df;color:#b54831}.delete-button .icon{width:18px;height:18px}.manager-empty{grid-column:1/-1;text-align:center;color:var(--muted);font-size:14px;padding:20px}.manager-footer{border-top:1px solid var(--line);padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:14px}.manager-footer>span{font-size:12px;color:var(--muted);line-height:1.6}.manager-footer .button{padding-inline:22px}.confirm-dialog{padding:26px;width:min(410px,calc(100vw - 40px))}.confirm-dialog h2{font-size:21px;margin:0 0 13px}.confirm-dialog p{font-size:14px;color:var(--muted);line-height:1.7}.delete-name{overflow-wrap:anywhere;padding:12px;background:#f4ecda;border-radius:8px}.confirm-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.toast{position:fixed;z-index:20;bottom:104px;left:50%;transform:translateX(-50%);max-width:min(540px,calc(100vw - 40px));background:#382316;color:#fffdf4;padding:12px 20px;border-radius:10px;box-shadow:0 6px 30px #38231624;font-size:14px;line-height:1.6;text-align:center;pointer-events:none}.no-script{position:fixed;inset:40% 10% auto;background:white;padding:30px;text-align:center;z-index:50}
.fullscreen-exit{position:fixed;z-index:3;right:22px;top:20px;display:flex;gap:8px;align-items:center;padding:10px 14px;border-radius:9px;border:1px solid #ffffff40;background:#382316b3;color:white;font-size:13px;transition:opacity .25s}.fullscreen-mode .chrome{display:none}.fullscreen-mode .viewer{padding:0}.fullscreen-mode .slide-stage{border:0;border-radius:0}.fullscreen-mode.controls-hidden{cursor:none}.fullscreen-mode.controls-hidden .fullscreen-exit{opacity:0;pointer-events:none}.fullscreen-mode .toast{bottom:25px}
@media(min-width:1900px){.topbar{height:92px;flex-basis:92px;padding-inline:44px}.viewer{padding:24px 36px 8px}.playback{min-height:98px;padding-inline:44px}.brand h1{font-size:22px}.slide-stage{border-radius:16px}}
@media(max-width:700px){.topbar{height:70px;flex-basis:70px;padding:0 18px;gap:10px}.brand h1{font-size:17px}.brand{gap:8px}.brand-mark{transform:scale(.85);width:29px}.header-actions{gap:7px}.header-actions .button{padding:9px 11px;min-height:39px;font-size:13px}.sync-state{position:absolute;left:22px;bottom:98px;font-size:12px;margin:0;z-index:2;pointer-events:none;background:var(--paper);padding:4px 0}.viewer{padding:14px 12px 36px}.slide-stage{border-radius:10px}.playback{padding:10px 18px 15px;gap:10px;min-height:90px;grid-template-columns:1fr auto 1fr}#slide-name,.playing-label{display:none}.counter{gap:7px;font-size:12px}.counter strong{font-size:20px}.transport{gap:2px}.play-button{width:43px;height:43px}.icon-button{width:36px;height:40px}.interval-label select{font-size:12px;padding:8px 3px 8px 6px;width:87px}.manager{padding:20px;max-height:calc(100dvh - 28px)}.manager h2{font-size:23px}.manager-list{gap:10px}.card-meta{padding:8px;gap:4px}.card-title strong{font-size:12px}.delete-button{width:30px}.upload-zone{min-height:150px}.manager-note{font-size:13px}.manager-footer>span{max-width:200px}.fullscreen-mode .sync-state{display:none}}
@media(max-width:380px){.brand h1{font-size:15px}.topbar{padding-inline:12px}#fullscreen span{display:none}.manager-list{grid-template-columns:1fr}}
@media(max-height:520px) and (orientation:landscape){.topbar{height:55px;flex-basis:55px}.viewer{padding:6px 20px}.playback{min-height:60px;padding:5px 25px 8px}.play-button{width:38px;height:38px}.sync-state{position:static;background:none;padding:0}.slide-info #slide-name{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}