:root{--color-bg: #0c0a09;--color-paper: #f5efe2;--color-ink: #1a1614;--color-accent: #b8835a;--color-muted: #7a6f63;--color-glass: rgba(245, 239, 226, .08);--color-glass-strong: rgba(245, 239, 226, .16);--color-danger: #c0392b;--color-ok: #4f9b6b;--font-serif: "Newspaper Serif", "Songti SC", "Source Han Serif", Georgia, "Times New Roman", serif;--font-sans: "UI Sans", "PingFang SC", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 18px;--shadow-lg: 0 12px 32px -8px rgba(0, 0, 0, .5);color-scheme:dark}@font-face{font-family:"Newspaper Serif";src:url(/assets/fonts/newspaper-serif.woff2) format("woff2");font-weight:400 700;font-display:swap}@font-face{font-family:UI Sans;src:url(/assets/fonts/ui-sans.woff2) format("woff2");font-weight:400 700;font-display:swap}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden;background:var(--color-bg);color:var(--color-paper);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;user-select:none;-webkit-user-select:none;touch-action:none}.app-root{position:relative;width:100vw;height:100vh;overflow:hidden}.ui-layer{position:absolute;inset:0;pointer-events:none;z-index:10;transition:opacity .6s ease}.ui-layer.ui-layer--hidden{opacity:0;pointer-events:none}.ui-layer>*{pointer-events:auto}.ui-layer.ui-layer--hidden>*{pointer-events:none}button{background:var(--color-glass);color:var(--color-paper);border:1px solid var(--color-glass-strong);border-radius:var(--radius-md);padding:8px 14px;font:inherit;cursor:pointer;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:background-color .16s ease,transform .16s ease}button:hover{background:var(--color-glass-strong)}button:active{transform:scale(.97)}button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.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}.welcome-title{position:absolute;top:12vh;left:50%;transform:translate(-50%);pointer-events:none;z-index:10;text-align:center;animation:welcome-fade-in .6s ease both;transition:opacity .4s ease}.welcome-title.is-hidden{opacity:0}.welcome-title h1{font-family:var(--font-serif);font-size:28px;font-weight:500;letter-spacing:.2em;color:#f4a04a;text-shadow:0 0 14px rgba(244,100,60,.5);margin:0}.welcome-title p{margin-top:8px;font-family:var(--font-sans);font-size:13px;letter-spacing:.08em;color:var(--color-muted)}@keyframes welcome-fade-in{0%{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%)}}.skip-button{position:absolute;top:16px;right:340px;font-size:12px;padding:6px 14px;border-radius:999px;background:#0c0a09b3;border-color:var(--color-glass);letter-spacing:.04em}.skip-button span{margin-left:4px;color:var(--color-accent)}.site-frame{position:fixed;inset:0;z-index:50;background:var(--color-bg);transform:translateY(-100vh);transition:transform .8s cubic-bezier(.4,.2,0,1);will-change:transform}.site-frame.phase-curtain,.site-frame.phase-done,.site-frame.view-site{transform:translateY(0)}.site-frame.phase-returning{transform:translateY(-100vh)}.site-frame iframe{width:100%;height:100%;border:0;display:block}.site-frame__back{position:fixed;top:72px;left:16px;z-index:60;font-size:12px;letter-spacing:.08em;padding:8px 14px;border-radius:999px;background:#0c0a09c7;border:1px solid var(--color-glass-strong);color:var(--color-paper);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);cursor:pointer;animation:site-frame-back-in .4s .2s ease both}.site-frame__back:hover{background:#0c0a09eb;border-color:var(--color-accent);color:var(--color-accent)}@keyframes site-frame-back-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.dropbox-label{font-family:var(--font-serif);font-size:14px;letter-spacing:.16em;color:var(--color-accent);background:#0c0a09b8;border:1px solid var(--color-accent);border-radius:4px;padding:8px 14px;white-space:nowrap;text-align:center;pointer-events:none;opacity:0;transition:opacity .12s ease;text-shadow:0 0 12px rgba(184,131,90,.5)}.vignette{position:absolute;inset:0;pointer-events:none;z-index:5;background:radial-gradient(ellipse 120% 95% at 50% 50%,transparent 55%,rgba(0,0,0,.32) 100%);mix-blend-mode:multiply}.permission-gate{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:min(520px,calc(100vw - 40px));background:#0c0a09eb;border:1px solid var(--color-glass-strong);border-radius:var(--radius-lg);padding:28px 32px;box-shadow:var(--shadow-lg);backdrop-filter:blur(20px);z-index:20}.permission-gate h2{font-family:var(--font-serif);font-size:28px;letter-spacing:.02em;margin-bottom:12px}.permission-gate p{font-size:14px;line-height:1.65;color:#f5efe2cc;margin-bottom:8px}.permission-gate ul{list-style:none;margin-top:8px;margin-bottom:16px;padding:12px 14px;background:#f5efe20a;border-radius:var(--radius-sm)}.permission-gate ul li{font-size:12px;line-height:1.6;color:var(--color-muted)}.permission-gate kbd{display:inline-block;padding:1px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;background:#f5efe21a;border:1px solid rgba(245,239,226,.15);border-radius:4px;margin:0 2px}.permission-gate__actions{display:flex;gap:10px;margin-top:14px}.permission-gate__actions button{flex:1}.permission-gate__actions button.ghost{background:transparent;border-color:var(--color-glass);color:var(--color-muted)}.permission-gate.is-success{width:auto;padding:10px 18px;border-radius:999px;top:64px;left:50%;font-size:13px;color:var(--color-ok);border-color:#4f9b6b66}.permission-gate.is-warning .hint{font-size:12px;color:var(--color-muted)}.camera-badge{position:absolute;top:16px;right:16px;display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;font-size:12px;background:#0c0a09b3;border-color:var(--color-glass)}.camera-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--color-muted);box-shadow:0 0 8px currentColor}.camera-badge.status-granted .dot{background:var(--color-ok);color:var(--color-ok)}.camera-badge.status-requesting .dot{background:var(--color-accent);color:var(--color-accent);animation:pulse 1s ease-in-out infinite}.camera-badge.status-denied .dot,.camera-badge.status-error .dot,.camera-badge.status-unsupported .dot{background:var(--color-danger);color:var(--color-danger)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.calibrate-button-wrap{position:absolute;top:16px;right:200px;display:flex;gap:6px;transition:opacity .2s ease}.calibrate-button-wrap.is-inactive{opacity:.4}.calibrate-button{font-size:12px;padding:6px 12px;border-radius:999px}.calibrate-button.small{padding:6px 10px}.calibrate-button.ghost{background:transparent;color:var(--color-muted)}.side-indicator{position:absolute;top:50%;transform:translateY(-50%);width:36px;display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none;transition:opacity .2s ease}.side-indicator.side-left{left:16px}.side-indicator.side-right{right:16px}.side-indicator__bar{width:4px;height:120px;border-radius:4px;background:linear-gradient(to top,transparent,var(--color-accent));transform-origin:bottom center;transition:transform .24s cubic-bezier(.4,.2,0,1)}.side-indicator__label{font-size:11px;letter-spacing:.06em;color:var(--color-muted);text-transform:uppercase;display:flex;flex-direction:column;align-items:center}.side-indicator__label .counter{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;color:var(--color-accent);margin-top:4px}.side-indicator.is-active .side-indicator__label{color:var(--color-paper)}.debug-hud{position:absolute;left:16px;bottom:16px;width:360px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;background:#0c0a09db;border:1px solid var(--color-glass-strong);border-radius:var(--radius-md);padding:10px 12px;z-index:30;backdrop-filter:blur(12px)}.debug-hud header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;color:var(--color-accent);font-weight:700;letter-spacing:.06em;text-transform:uppercase}.debug-hud .row{display:flex;gap:8px;padding:2px 0;border-top:1px dashed rgba(245,239,226,.08)}.debug-hud .key{width:60px;color:var(--color-muted)}.debug-hud .val{flex:1;word-break:break-all}.debug-hud__toggle{position:absolute;left:16px;bottom:16px;font-size:10px;padding:4px 8px;border-radius:4px;letter-spacing:.1em;color:var(--color-muted)}.debug-hud__close{background:transparent;color:var(--color-muted);border:none;font-size:12px;padding:0 4px;cursor:pointer}.loading-splash{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:var(--color-bg);z-index:100;animation:fade-out .4s .7s forwards}.loading-splash__brand{font-family:var(--font-serif);font-size:64px;letter-spacing:.2em;color:var(--color-paper)}.loading-splash__bar{width:240px;height:2px;background:#f5efe21a;overflow:hidden;border-radius:2px}.loading-splash__bar-fill{width:30%;height:100%;background:var(--color-accent);animation:bar-slide 1s ease-in-out infinite}.loading-splash__hint{font-size:12px;color:var(--color-muted);letter-spacing:.1em}@keyframes bar-slide{0%{transform:translate(-100%)}to{transform:translate(800%)}}@keyframes fade-out{to{opacity:0;visibility:hidden}}