[hidden]{display:none!important}
/* Sketchy — OLED black, white type, orange accent */
:root{
  --bg:#000;--fg:#f5f5f5;--muted:#8a8a8a;--dim:#5a5a5a;
  --card:#141414;--card2:#1c1c1c;--line:#2a2a2a;--line2:#333;
  --accent:#ff8a00;--accent-dim:rgba(255,138,0,.18);--danger:#e53935;
  --safe-t:env(safe-area-inset-top,0px);
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-l:env(safe-area-inset-left,0px);
  --safe-r:env(safe-area-inset-right,0px);
  --bar:56px;--tool:64px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--fg);
  font:16px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  overflow:hidden;touch-action:none;position:fixed;inset:0;
  overscroll-behavior:none;user-select:none;-webkit-user-select:none}
button,input{font:inherit;color:inherit}
button{appearance:none;-webkit-appearance:none;background:none;border:0;padding:0;cursor:pointer}
img{display:block;max-width:100%}

.app{position:absolute;inset:0;display:flex;flex-direction:column;background:var(--bg)}
.view{display:none;flex:1;min-height:0;flex-direction:column}
.view.on{display:flex}

.top{
  flex:none;display:flex;align-items:center;gap:10px;
  padding:calc(8px + var(--safe-t)) calc(16px + var(--safe-r)) 8px calc(16px + var(--safe-l));
  min-height:calc(var(--bar) + var(--safe-t));
  border-bottom:1px solid var(--line);background:#000;
}
.top h1,.top h2{font-size:20px;font-weight:650;letter-spacing:-.02em;margin:0;flex:1;min-width:0;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top h2{font-size:18px}
.iconbtn{
  flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  color:var(--fg);
}
.iconbtn:hover{background:var(--card2)}
.iconbtn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.iconbtn[disabled]{opacity:.35;pointer-events:none}
.iconbtn.on{color:var(--accent);background:var(--accent-dim)}
.iconbtn.danger:hover{background:rgba(229,57,53,.15);color:#ff6b6b}
.btn{
  flex:none;height:40px;padding:0 16px;border-radius:12px;background:var(--accent);color:#000;
  font-weight:650;letter-spacing:-.01em;
}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:var(--card2);color:var(--fg);border:1px solid var(--line)}
.btn.danger{background:var(--danger);color:#fff}

.scroll{flex:1;min-height:0;overflow:auto;touch-action:pan-y;padding:20px calc(20px + var(--safe-r)) 32px calc(20px + var(--safe-l));
  overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.empty{height:100%;min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;padding:24px}
.empty h3{margin:0;font-size:22px;font-weight:650}
.empty p{margin:0;color:var(--muted);max-width:28ch}
.empty .btn{margin-top:10px}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  display:flex;flex-direction:column;text-align:left;color:inherit;min-height:0;
}
.card:hover{border-color:var(--line2)}
.card .cover{aspect-ratio:3/2;background:#0a0a0a;position:relative;overflow:hidden}
.card .cover img{width:100%;height:100%;object-fit:cover}
.card .cover.blank{display:grid;place-items:center;color:var(--dim);background:
  linear-gradient(180deg,#161616,#0c0c0c)}
.card .meta{padding:12px 14px 14px;display:flex;align-items:flex-start;gap:8px}
.card .meta .tx{flex:1;min-width:0}
.card .name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .sub{color:var(--muted);font-size:13px;margin-top:2px}

.rowlist{display:flex;flex-direction:column;gap:10px;max-width:720px;margin:0 auto;width:100%}
.row{
  display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:12px 12px 12px 14px;text-align:left;color:inherit;width:100%;
}
.row:hover{border-color:var(--line2)}
.row .mark{width:44px;height:44px;border-radius:12px;background:#0a0a0a;display:grid;place-items:center;flex:none;overflow:hidden}
.row .mark img{width:100%;height:100%;object-fit:cover}
.row .tx,.card .meta .tx{flex:1;min-width:0;display:flex;flex-direction:column}
.row .name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .sub{color:var(--muted);font-size:13px}

.more{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;color:var(--muted);flex:none}
.more:hover{background:var(--card2);color:var(--fg)}

/* Editor */
#view-edit{background:#000}
#stage{flex:1;min-height:0;position:relative;overflow:hidden;touch-action:none;background:#000}
#stage canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:crosshair}

.tools{
  flex:none;display:flex;align-items:center;gap:8px;
  padding:8px calc(12px + var(--safe-r)) calc(8px + var(--safe-b)) calc(12px + var(--safe-l));
  border-top:1px solid var(--line);background:#000;overflow-x:auto;overflow-y:hidden;
  touch-action:pan-x;
}
.group{display:flex;align-items:center;gap:4px;flex:none}
.group.grow{flex:1;min-width:0;overflow-x:auto}
.sep{width:1px;height:28px;background:var(--line);flex:none;margin:0 4px}
.tool{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:var(--fg);
}
.tool.on{background:var(--accent-dim);color:var(--accent)}
.swatch{
  width:28px;height:28px;border-radius:50%;border:2px solid transparent;flex:none;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.swatch.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-dim),inset 0 0 0 1px rgba(0,0,0,.3)}
#color-pick{width:28px;height:28px;border:0;padding:0;background:none;border-radius:50%;overflow:hidden;flex:none;cursor:pointer}
#color-pick::-webkit-color-swatch-wrapper{padding:0}
#color-pick::-webkit-color-swatch{border:2px solid var(--line2);border-radius:50%}
.sizebox{display:flex;align-items:center;gap:8px;flex:none;color:var(--muted);font-size:12px;min-width:140px}
#size{width:100px;accent-color:var(--accent)}
#size-val{width:2.2em;color:var(--fg);font-variant-numeric:tabular-nums}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.72);display:none;align-items:center;justify-content:center;padding:24px;z-index:20}
.modal.on{display:flex}
.sheet{width:min(420px,100%);background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px 20px 18px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.sheet h3{margin:0 0 6px;font-size:18px}
.sheet p{margin:0 0 14px;color:var(--muted)}
.sheet input{
  width:100%;height:44px;border-radius:12px;border:1px solid var(--line2);background:#0a0a0a;
  padding:0 12px;outline:none;user-select:text;-webkit-user-select:text;margin-bottom:16px;
}
.sheet input:focus{border-color:var(--accent)}
.actions{display:flex;justify-content:flex-end;gap:8px}

.menu{position:fixed;z-index:15;min-width:180px;background:var(--card2);border:1px solid var(--line2);border-radius:14px;padding:6px;box-shadow:0 12px 40px rgba(0,0,0,.5);display:none}
.menu.on{display:block}
.menu button{display:block;width:100%;text-align:left;padding:10px 12px;border-radius:10px}
.menu button:hover{background:var(--card)}
.menu button.danger{color:#ff6b6b}

.open-book{flex:1;min-width:0;display:flex;align-items:center;gap:12px;text-align:left;background:none;border:0;padding:0;color:inherit}