:root{--bg:#f4f6f6;--card:#fff;--card2:#fff;--press:#eef3f2;--thumb:#e6ecec;--tagbg:#e0f2f0;--tagfg:#115e59;--sel:#e6f4f2;--bar:#0f766e;--ink:#14201f;--mut:#6b7a79;--pri:#0f766e;--pri2:#115e59;--dng:#b91c1c;--line:#dfe6e5;--safe-b:env(safe-area-inset-bottom,0px);color-scheme:light}
/* Tema oscuro: sigue al teléfono, o se fuerza con el botón 🌓 (data-theme en <html>) */
:root[data-theme=dark]{--bg:#0e1516;--card:#172122;--card2:#1d2a2b;--press:#223132;--thumb:#223132;--tagbg:#17403c;--tagfg:#7fe0d3;--sel:#173a36;--bar:#0b2321;--ink:#e7efee;--mut:#93a8a6;--pri:#12857a;--pri2:#0f6b62;--line:#2a3b3d;color-scheme:dark}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0e1516;--card:#172122;--card2:#1d2a2b;--press:#223132;--thumb:#223132;--tagbg:#17403c;--tagfg:#7fe0d3;--sel:#173a36;--bar:#0b2321;--ink:#e7efee;--mut:#93a8a6;--pri:#12857a;--pri2:#0f6b62;--line:#2a3b3d;color-scheme:dark}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font:16px/1.4 system-ui,-apple-system,Roboto,sans-serif;overscroll-behavior:none}
[hidden]{display:none!important}
.view{position:fixed;inset:0;display:flex;flex-direction:column;background:var(--bg)}
.view.dark{background:#10191a;color:#fff}
.bar{display:flex;align-items:center;gap:6px;padding:10px 12px;background:var(--bar);color:#fff;min-height:56px}
.view.dark .bar{background:#0b1213}
.bar h1{margin:0;font-size:18px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bar .sub{font-size:12px;opacity:.8;margin-left:auto;text-align:right}
.grow{flex:1;min-width:0}
.ico{background:none;border:0;color:inherit;font-size:24px;width:44px;height:44px;border-radius:50%}
.ico:active{background:rgba(255,255,255,.2)}

.list{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:10px;padding-bottom:96px}
.doc{display:flex;gap:12px;align-items:center;background:var(--card);border-radius:14px;padding:10px;box-shadow:0 1px 3px rgba(0,0,0,.08);border:0;text-align:left;width:100%;font:inherit;color:inherit}
.doc:active{background:var(--press)}
.doc img{width:56px;height:72px;object-fit:cover;border-radius:6px;background:var(--thumb);border:1px solid var(--line)}
.doc b{display:block}
.doc small{color:var(--mut)}
.empty{text-align:center;color:var(--mut);margin:auto;padding:24px}
.fab{position:fixed;right:20px;bottom:calc(20px + var(--safe-b));width:64px;height:64px;border-radius:50%;border:0;background:var(--pri);color:#fff;font-size:34px;box-shadow:0 4px 14px rgba(0,0,0,.3)}
.fab:active{background:var(--pri2)}

.grid{flex:1;overflow:auto;padding:12px;display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;align-content:start}
.pg{position:relative;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:0;overflow:hidden;aspect-ratio:3/4}
.pg img{width:100%;height:100%;object-fit:cover;display:block}
.pg span{position:absolute;left:6px;bottom:6px;background:rgba(0,0,0,.65);color:#fff;font-size:12px;padding:1px 8px;border-radius:10px}

.tabbar{display:flex;gap:8px;padding:10px 12px calc(10px + var(--safe-b));background:var(--card);border-top:1px solid var(--line)}
.view.dark .tabbar{background:#0b1213;border-color:#1e2d2f}
.tabbar button,.sheet button{flex:1;padding:13px 8px;border-radius:12px;border:1px solid var(--line);background:var(--card2);font:inherit;font-weight:600;color:var(--ink)}
.view.dark .tabbar button{background:#1b2829;border-color:#2a3b3d;color:#fff}
.tabbar button.primary,.sheet button.primary{background:var(--pri);border-color:var(--pri);color:#fff}
.tabbar button.danger{color:#fca5a5}
button:active{filter:brightness(.92)}

.stage{flex:1;min-height:0;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:none}
.stage canvas{display:block}
.stage img{max-width:100%;max-height:100%;object-fit:contain}
.busy{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.45);font-weight:600}
.chips{display:flex;gap:8px;padding:10px 12px;overflow-x:auto;background:#0b1213}
.chips button{flex:none;padding:8px 14px;border-radius:20px;border:1px solid #2a3b3d;background:#1b2829;color:#fff;font:inherit}
.chips button.on{background:var(--pri);border-color:var(--pri)}

.sheet{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:flex-end;z-index:10}
.sheet-box{width:100%;background:var(--card);border-radius:18px 18px 0 0;padding:16px 16px calc(16px + var(--safe-b));display:flex;flex-direction:column;gap:10px}
.sheet button{flex:none}
.sheet .ghost{border:0;background:none;color:var(--mut)}
.toast{position:fixed;left:50%;bottom:calc(90px + var(--safe-b));transform:translateX(-50%);background:#111;color:#fff;padding:10px 16px;border-radius:20px;font-size:14px;z-index:20;max-width:90%;text-align:center}

/* ── v2: buscador, carpetas, cámara, firma, hojas ── */
.searchrow{padding:10px 12px 0}
.searchrow input,.sheet input[type=text]{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);font:inherit;background:var(--card2);color:var(--ink)}
.chips.light{background:none;padding:10px 12px 0}
.chips.light button{background:var(--card2);color:var(--ink);border-color:var(--line)}
.chips.light button.on,.chips button.on{background:var(--pri);border-color:var(--pri);color:#fff}
.tag{display:inline-block;background:var(--tagbg);color:var(--tagfg);border-radius:10px;padding:0 8px;font-size:12px;margin-left:6px}
.docmeta{padding:8px 14px 0;color:var(--mut);font-size:13px}
.tabbar.small button{padding:8px 4px;font-size:13px;line-height:1.25}
.tabbar.wrap{flex-wrap:wrap}
.tabbar.wrap button{flex:1 1 28%}
.tabbar button:disabled{opacity:.4}
.pill{padding:8px 14px;border-radius:20px;border:1px solid rgba(255,255,255,.5);background:rgba(0,0,0,.45);color:#fff;font:inherit;font-weight:600}
.pill.on,.pill.primary{background:var(--pri);border-color:var(--pri)}
.ico.on{background:rgba(45,212,191,.4)}

.camstage{flex:1;min-height:0;position:relative;background:#000;overflow:hidden}
.camstage video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.camstage canvas{position:absolute;left:0;top:0;pointer-events:none}
.camtop{position:absolute;left:0;right:0;top:0;display:flex;align-items:center;gap:8px;padding:10px 12px;background:linear-gradient(rgba(0,0,0,.6),transparent)}
.camlabel{font-weight:600;text-align:center}
.flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none;transition:opacity .15s}
.flash.go{opacity:.7;transition:none}
.cambot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 18px calc(12px + var(--safe-b));background:#0b1213;min-height:96px}
.shutter{width:70px;height:70px;border-radius:50%;border:5px solid #fff;background:var(--pri);flex:none}
.shutter:active{transform:scale(.92)}
.camthumb{position:relative;width:52px;height:64px;flex:none}
.camthumb img{width:100%;height:100%;object-fit:cover;border-radius:6px;border:2px solid #fff;background:#222}
.camthumb span{position:absolute;right:-8px;top:-8px;background:var(--pri);border-radius:50%;min-width:22px;height:22px;text-align:center;font-size:13px;line-height:22px;font-weight:700}
.cambot .pill{min-width:76px}
.cambot > :first-child:not(.camthumb){min-width:0}

.signbox{position:relative;line-height:0;touch-action:none}
.signbox img{display:block}
#signSig{position:absolute;cursor:grab;outline:2px dashed #2dd4bf;outline-offset:2px;touch-action:none}
.sliderow{display:flex;align-items:center;gap:12px;padding:10px 16px;background:#0b1213}
.sliderow input{flex:1}
.padwrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:16px;text-align:center;color:var(--mut)}
#padCanvas{background:#fff;border:2px dashed var(--line);border-radius:14px;touch-action:none;width:100%;height:280px}

.sheet-box h2{margin:0 0 4px;font-size:18px;color:var(--ink)}
.sheet-box .lbl{font-size:13px;color:var(--mut);margin-top:4px}
.sheet-box .hint{margin:0;color:var(--mut);font-size:14px}
.sheet-box textarea{width:100%;height:240px;border:1px solid var(--line);border-radius:12px;padding:10px;font:inherit;resize:none;background:var(--card2);color:var(--ink)}
.sheet-box .check{display:flex;gap:10px;align-items:center;padding:6px 0}
.sheet-box .check input{width:20px;height:20px}
.seg{display:flex;gap:6px}
.seg button{flex:1;padding:10px 4px}
.seg button.on{background:var(--pri);border-color:var(--pri);color:#fff}
.folderlist{display:flex;flex-direction:column;gap:8px;max-height:46vh;overflow:auto}
.folderlist button.on{border-color:var(--pri);color:var(--tagfg);background:var(--sel)}
.sheet-box{max-height:92vh;overflow:auto}

/* botón de tema (inicio) */
#btnTheme{font-size:20px}
.tagline{display:block;font-size:11.5px;opacity:.8;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}