body{height:100%;overflow:hidden}
:root{--paper:var(--panel);--side:var(--field);--acc:var(--amber);--hl:#ffe58a}
#app{flex:1;min-height:0;display:flex;flex-direction:column;position:relative;background:var(--panel)}
.tools{display:flex;gap:6px;align-items:center;padding:8px 12px;border-bottom:1px solid var(--line);overflow-x:auto;flex:none}
.tools button,#find button,.sf button,.sh button,#exm button,#toast button,.pop button{padding:5px 11px;font-size:.88rem;white-space:nowrap;background:var(--panel);color:var(--ink);border:1px solid var(--edge);border-bottom-width:2px;border-radius:5px}
.tools button.pri,.sh button.pri,.pop button.pri{background:var(--amber);color:#1e262d;border-color:#b88a00}
#title{flex:1;min-width:140px;width:auto;font-weight:800;font-size:1rem;border:0;box-shadow:none;background:transparent;padding:5px 6px}
#title:focus{background:var(--field)}
#wrap{flex:1;display:flex;min-height:0;position:relative}
#side{width:272px;flex:none;margin-left:-272px;background:var(--field);border-right:1px solid var(--line);display:flex;flex-direction:column;transition:margin-left .2s}
#side.open{margin-left:0}
.sh{display:flex;justify-content:space-between;align-items:center;padding:12px 12px 8px}
#fl{width:auto;margin:0 10px 8px;padding:6px 10px}
#tabs{list-style:none;margin:0;padding:0 0 8px;overflow-y:auto;flex:1}
.tab{display:flex;align-items:center;gap:6px;padding:8px 8px 8px 12px;margin:2px 8px;border-radius:5px;cursor:pointer}
.tab:hover{background:var(--panel)}
.tab.on{background:var(--panel);box-shadow:inset 4px 0 0 var(--amber);font-weight:700}
.tab .n{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tab small{color:var(--mute)}
.tab .x{border:0;background:transparent;padding:0 7px;color:var(--mute);font-weight:400;box-shadow:none}
.none{padding:12px;color:var(--mute)}
.sf{padding:10px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:6px}
.sf small{color:var(--mute);font-size:.78rem;line-height:1.6}
.sf .fl{display:flex;gap:14px}
#scrim{display:none}
@media(max-width:760px){
#side{position:absolute;inset:0 auto 0 0;z-index:5;margin-left:0;transform:translateX(-100%);transition:transform .2s;width:min(300px,86%)}
#side.open{transform:none}
#side.open~#scrim{display:block;position:absolute;inset:0;background:rgba(0,0,0,.4);z-index:4}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.pane{flex:1;min-width:0;display:flex;flex-direction:column}
#find{display:flex;gap:6px;flex-wrap:wrap;align-items:center;padding:8px 12px;background:var(--field);border-bottom:1px solid var(--line)}
#find[hidden]{display:none}
#find input{width:150px;padding:5px 8px}
#fc{color:var(--mute);font-size:.86rem}
#ed{flex:1;width:100%;max-height:none;border:0;border-radius:0;box-shadow:none;background:var(--panel);font-size:var(--fs,17px);line-height:1.85;padding:20px max(16px,calc((100% - 46em)/2));tab-size:4}
#ed:focus{outline:none;background:var(--panel)}
#ed::selection{background:var(--hl);color:#111}
#bar{display:flex;gap:16px;flex-wrap:wrap;padding:6px 14px;border-top:1px solid var(--line);background:var(--field);color:var(--mute);font-size:.8rem;max-width:none;margin:0;border-top-width:1px}
#saved{margin-left:auto;font-weight:700}
#exm,.pop{position:absolute;top:50px;right:10px;z-index:8;background:var(--panel);border:1px solid var(--line);border-bottom:3px solid var(--edge);border-radius:6px;padding:6px;display:flex;flex-direction:column;gap:2px;box-shadow:0 8px 24px rgba(0,0,0,.25)}
#exm[hidden],.pop[hidden]{display:none}
#exm button{border:0;text-align:left;padding:8px 12px;font-weight:400}
.pop{width:min(360px,calc(100% - 20px));padding:14px;gap:8px}
.pop .row{display:flex;gap:8px;align-items:center}.pop .row input{flex:1;min-width:0;width:auto}
.pop .pt{margin:0;font-weight:700;font-size:.9rem}.pop .note{margin:0;font-size:.78rem;color:var(--mute);line-height:1.6}
.pop label{margin:4px 0 0;font-weight:700;font-size:.8rem}
#kv{flex:1;padding:6px 10px;background:var(--readout);color:var(--ro-ink);border-radius:4px;font-weight:800;letter-spacing:.06em;font-size:.86rem;word-break:break-all}
#toast{position:absolute;left:50%;bottom:48px;transform:translateX(-50%);z-index:9;background:var(--plate);color:#fff;border-bottom:3px solid var(--amber);padding:8px 14px;border-radius:5px;max-width:90%;font-weight:700}
#toast[hidden]{display:none}
#toast button{margin-left:8px;background:transparent;color:#fff;border-color:#fff;padding:2px 8px}