*,*:before,*:after{box-sizing:border-box}:root{--cewe-red: #c30c15;--cewe-red-active: #a60a12;--success: #2a9b3f;--bg: #ffffff;--fg: #222222;--fg-secondary: #555555;--fg-tertiary: #888888;--surface: #f4f4f4;--border: #e6e6e6;--link: #2b8abf;--track: #eceef0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;color-scheme:light dark}html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);min-height:100vh;min-height:100dvh;-webkit-text-size-adjust:100%}.header{position:sticky;top:0;z-index:10;background:var(--cewe-red);padding:11px 16px;padding-top:calc(11px + env(safe-area-inset-top));text-align:center}.header svg{height:40px;width:auto;display:inline-block;vertical-align:middle}.app{max-width:640px;margin:0 auto}.screen{display:none}.screen.active{display:block}.empty-body{min-height:calc(100vh - 200px);min-height:calc(100dvh - 200px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;padding:40px 24px;text-align:center}.empty-body .icon{width:220px;max-width:60vw;height:auto}.pair-title{font-size:22px;font-weight:600;color:var(--fg);margin:0}.pair-hint{font-size:16px;line-height:1.45;color:var(--fg-secondary);max-width:420px;margin:0}.link{color:var(--link);font-size:22px;font-weight:400;cursor:pointer;padding:10px 14px;display:inline-block;-webkit-tap-highlight-color:transparent;background:none;border:none;font-family:inherit;text-decoration:none}.link:active{opacity:.6}.sr-only-input{position:absolute;left:-9999px;top:auto;width:1px;height:1px;opacity:0;overflow:hidden;pointer-events:none}.qr{display:flex;justify-content:center;padding:8px;background:#fff;border-radius:12px}.qr canvas{width:100%;max-width:320px;height:auto;image-rendering:pixelated}.countdown-wrap{font-size:16px;color:var(--fg-secondary);margin:0}.countdown-wrap #countdown{font-family:ui-monospace,SF Mono,Menlo,monospace;font-weight:600;color:var(--fg)}.sessionid{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:10px;color:var(--fg-tertiary);text-align:center;white-space:nowrap;user-select:all;margin:0;max-width:100%;overflow:hidden;text-overflow:ellipsis}.sel-body{padding:4px 16px calc(92px + env(safe-area-inset-bottom))}.sel-header{font-size:22px;font-weight:400;color:var(--fg);padding:16px 0;border-bottom:1px solid var(--border);margin-bottom:16px}.filegrid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}@media (min-width: 480px){.filegrid{grid-template-columns:repeat(4,1fr)}}@media (min-width: 720px){.filegrid{grid-template-columns:repeat(5,1fr)}}.filegrid-item{display:flex;flex-direction:column;gap:4px;min-width:0}.filegrid-thumb-wrap{position:relative;width:100%;aspect-ratio:1 / 1;border-radius:8px;overflow:hidden;background:var(--surface)}.file-thumb{width:100%;height:100%;object-fit:cover;display:block}.file-thumb--generic{display:flex;align-items:center;justify-content:center;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:12px;font-weight:600;color:var(--fg-secondary);letter-spacing:.5px}.file-progress-overlay{position:absolute;left:0;bottom:0;height:4px;background:var(--cewe-red);width:0%;transition:width .15s linear;box-shadow:0 0 0 1px #0003}.file-check,.file-fail{position:absolute;top:6px;right:6px;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;box-shadow:0 1px 2px #00000059;line-height:1}.file-check{background:var(--success)}.file-fail{background:var(--cewe-red)}.file-progress-overlay[hidden],.file-check[hidden],.file-fail[hidden]{display:none}.file-size{font-size:11px;color:var(--fg-tertiary);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.centered-body{min-height:calc(100vh - 200px);min-height:calc(100dvh - 200px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:40px 32px;text-align:center}.progress-label{font-size:18px;color:var(--fg)}.progress-sub{font-size:14px;color:var(--fg-tertiary);min-height:1.2em;word-break:break-all}.done-title{font-size:22px;color:var(--fg);margin:0}.done-sub{font-size:15px;color:var(--fg-secondary);margin:0;max-width:420px;line-height:1.45}.err-icon,.thanks-icon{width:72px;height:72px;border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;font-size:40px;font-weight:700}.err-icon{background:var(--cewe-red)}.thanks-icon{background:var(--success)}.thanks-rive-wrap{position:relative;width:240px;height:240px;max-width:60vw;aspect-ratio:1 / 1}.thanks-rive-wrap canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.thanks-rive-fallback{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:-1}.transfer-btn{position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--cewe-red);color:#fff;border:none;font-size:18px;font-weight:400;font-family:inherit;padding:22px 16px calc(22px + env(safe-area-inset-bottom));width:100%;cursor:pointer;-webkit-tap-highlight-color:transparent}.transfer-btn:active{background:var(--cewe-red-active)}.transfer-btn:disabled{opacity:.6;cursor:default}.spinner{display:inline-block;width:20px;height:20px;border:3px solid var(--border);border-top-color:var(--cewe-red);border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle;margin-right:10px}@keyframes spin{to{transform:rotate(360deg)}}:root{--diag-clearance: calc(72px + env(safe-area-inset-bottom)) ;--diag-max-h: 35vh;--diag-body-reserve: calc(var(--diag-max-h) + var(--diag-clearance) + 8px)}#diag-log{position:fixed;left:8px;right:8px;bottom:var(--diag-clearance);z-index:100;max-height:var(--diag-max-h);background:#000000d1;color:#0f0;font:10px/1.25 ui-monospace,SF Mono,Menlo,monospace;border-radius:4px;pointer-events:auto}#diag-log .diag-content{max-height:inherit;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding:6px 24px 6px 8px;white-space:pre-wrap;word-break:break-all}#diag-log .diag-close{position:absolute;top:2px;right:4px;padding:0 6px;background:transparent;border:0;color:#9f9;font:inherit;font-size:14px;line-height:1;cursor:pointer}#diag-log .diag-close:hover{color:#fff}#diag-log .diag-close:active{opacity:.6}body.diag-active .empty-body,body.diag-active .centered-body{min-height:calc(100vh - 200px - var(--diag-body-reserve));min-height:calc(100dvh - 200px - var(--diag-body-reserve));padding-bottom:16px}body.diag-active .sel-body{padding-bottom:calc(92px + env(safe-area-inset-bottom) + var(--diag-max-h))}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #0b0b0d;--fg: #f2f2f2;--fg-secondary: #a8a8ad;--fg-tertiary: #7c7c80;--surface: #1c1c1e;--border: #2c2c2e;--link: #5ab0de;--track: #1c1c1e}}:root[data-theme=dark]{--bg: #0b0b0d;--fg: #f2f2f2;--fg-secondary: #a8a8ad;--fg-tertiary: #7c7c80;--surface: #1c1c1e;--border: #2c2c2e;--link: #5ab0de;--track: #1c1c1e}