[hidden]{display:none!important}
:root{
  --red:#c8102e; --ink:#1c1a18; --muted:#6d665e; --line:#e3dcd1;
  --paper:#f4f0e8; --panel:#fffdf9; --stage:#d9d3c8; --shadow:0 2px 14px rgba(40,30,20,.18);
  --bar-h:56px; --dock-h:52px;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font:15px/1.4 "Noto Sans Devanagari","Mukta",system-ui,sans-serif;color:var(--ink);background:var(--paper);
  display:flex;flex-direction:column;overflow:hidden}
button,select,input{font:inherit;color:inherit}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* top bar */
.bar{height:var(--bar-h);flex:none;display:flex;align-items:center;gap:12px;padding:0 12px;
  background:var(--panel);border-bottom:3px solid var(--red)}
.brand{display:flex;align-items:baseline;gap:8px;min-width:0}
.mastimg{height:30px;width:auto;display:block}
.brand{text-decoration:none}
.ed{color:var(--muted);font-size:14px;white-space:nowrap}
.datectl{display:flex;align-items:center;gap:4px;margin-left:auto}
.datectl input{border:1px solid var(--line);border-radius:8px;padding:6px 8px;background:#fff;height:36px}
.tools{display:flex;gap:2px}
.icon{display:inline-grid;place-items:center;width:38px;height:38px;border:0;border-radius:8px;
  background:none;cursor:pointer;color:var(--ink);text-decoration:none}
.icon:hover{background:#efe9df}
.icon:focus-visible,.pill:focus-visible,.thumb:focus-visible{outline:2px solid var(--red);outline-offset:1px}
.icon:disabled{opacity:.3;cursor:default}
.pill{border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 12px;cursor:pointer;font-size:14px}
.pill.on{border-color:var(--red);color:var(--red)}

/* layout */
.layout{flex:1;display:flex;min-height:0}
.thumbs{width:150px;flex:none;overflow-y:auto;padding:12px 14px;background:var(--panel);border-right:1px solid var(--line)}
.thumb{display:block;width:100%;margin:0 0 14px;padding:0;border:0;background:none;cursor:pointer;text-align:center}
.thumb img{display:block;width:100%;height:auto;aspect-ratio:var(--ar);background:#eee;
  border:2px solid transparent;border-radius:3px;box-shadow:0 1px 4px rgba(0,0,0,.15)}
.thumb span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
.thumb.on img{border-color:var(--red)}
.thumb.on span{color:var(--red);font-weight:700}

.viewer{flex:1;display:flex;flex-direction:column;min-width:0}
.stage{position:relative;flex:1;overflow:hidden;background:var(--stage);touch-action:none;cursor:grab;outline:none}
.stage.dragging{cursor:grabbing}
#page{position:absolute;left:0;top:0;transform-origin:0 0;box-shadow:var(--shadow);background:#fff;
  user-select:none;-webkit-user-drag:none;will-change:transform}
.msg{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:24px;color:var(--muted);font-size:17px}
.edge{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:64px;border:0;border-radius:8px;
  background:rgba(255,253,249,.85);box-shadow:0 1px 6px rgba(0,0,0,.15);cursor:pointer;display:grid;place-items:center;opacity:.75}
.edge:hover{opacity:1}.edge:disabled{display:none}
.edge.prev{left:10px}.edge.next{right:10px}

.dock{height:var(--dock-h);flex:none;display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:0 12px;background:var(--panel);border-top:1px solid var(--line)}
.pager{display:flex;align-items:center;gap:6px;color:var(--muted)}
.pager select{border:1px solid var(--line);border-radius:8px;padding:5px 6px;background:#fff;color:var(--ink)}
.zoom{display:flex;align-items:center;gap:4px}

.search{width:300px;flex:none;background:var(--panel);border-left:1px solid var(--line);display:flex;flex-direction:column}
.search form{padding:12px;border-bottom:1px solid var(--line)}
.search input{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.search ol{list-style:none;margin:0;padding:0;overflow-y:auto}
.search li button{display:block;width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);background:none;padding:10px 12px;cursor:pointer}
.search li button:hover{background:#f6f1e8}
.search b{color:var(--red)}
.search mark{background:#ffe08a}

.legal{flex:none;font-size:11px;color:var(--muted);text-align:center;padding:4px 8px;background:var(--panel);border-top:1px solid var(--line)}

/* full-screen: page only */
:fullscreen .bar,:fullscreen .thumbs,:fullscreen .legal,:fullscreen .search{display:none}
body.fs .bar,body.fs .thumbs,body.fs .legal,body.fs .search{display:none}

/* phones */
@media (max-width:760px){
  :root{--bar-h:auto}
  .bar{flex-wrap:wrap;padding:6px 10px;gap:4px 8px}
  .mast{font-size:22px}
  .datectl{order:3;margin-left:0;flex:1}
  .datectl input{flex:1}
  .tools{margin-left:auto}
  .thumbs{position:fixed;left:0;right:0;bottom:0;z-index:5;width:auto;height:190px;display:none;
    overflow-x:auto;overflow-y:hidden;white-space:nowrap;border-right:0;border-top:3px solid var(--red);box-shadow:0 -4px 16px rgba(0,0,0,.2)}
  .thumbs.open{display:block}
  .thumb{display:inline-block;width:100px;margin:0 10px 0 0;vertical-align:top}
  .edge{display:none}
  .search{position:fixed;inset:auto 0 0 0;height:60%;width:auto;z-index:6;border-left:0;border-top:3px solid var(--red)}
  .pill#zWidth{display:none}
}
@media (min-width:761px){ .thumbs.closed{display:none} }