/* ============================================================
   APP SHELL v2 — тулбар / инфо-полоска / рабочая область с
   перетаскиваемыми разделителями / нижний статус-бар статистики.
   ============================================================ */

:root, [data-theme="light"]{
  --bg:#f3f3f3; --surface:#ffffff; --card:#ffffff; --border:#e1e1e1;
  --accent:#0f7b6c; --accent2:#0067c0; --gold:#9a6a00; --warn:#c42b1c;
  --text:#1b1b1b; --muted:#5f6368; --green:#0f7b6c; --violet:#5b2ca0;
  --panel-head-bg:#f7f7f7; --panel-shadow:0 1px 2px rgba(0,0,0,.06);
  --toolbar-bg:#fafafa; --toolbar-bg2:#f0f0f0;
}
[data-theme="dark"]{
  --bg:#0a0e14; --surface:#111720; --card:#161e2a; --border:#1e2d40;
  --accent:#00c8a0; --accent2:#0099ff; --gold:#f0c040; --warn:#ff6b35;
  --text:#d4e1f0; --muted:#5a7a99; --green:#00e5a0; --violet:#9b5de5;
  --panel-head-bg:#161e2a; --panel-shadow:0 1px 3px rgba(0,0,0,.4);
  --toolbar-bg:#0d131b; --toolbar-bg2:#0a0e14;
}

*,*::before,*::after{box-sizing:border-box;}
html,body{height:100%;margin:0;padding:0;overflow:hidden;}
body{background:var(--bg);color:var(--text);font-family:'Segoe UI','Inter',-apple-system,BlinkMacSystemFont,sans-serif;
     display:flex;flex-direction:column;}
body::before{display:none;}

/* ---------------- ПЕРЕКЛЮЧАТЕЛЬ РЕЖИМОВ ---------------- */
.mode-switcher{display:flex;flex-shrink:0;background:var(--toolbar-bg2);border-bottom:1px solid var(--border);}
.mode-tab{
  background:transparent;border:none;border-bottom:2px solid transparent;color:var(--muted);
  padding:.45rem 1rem;font-size:.8rem;cursor:pointer;font-family:'Segoe UI',sans-serif;
}
.mode-tab:hover{color:var(--text);}
.mode-tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600;}
#modePoint, #modeProfile, #modeArea, #mode3d, #modeVoxler{flex:1;min-height:0;display:flex;flex-direction:column;}

/* ---------------- РЕЖИМ ПРОФИЛЬ: вертикальный стек панелей ---------------- */
.profile-workspace{flex:1;min-height:0;display:flex;flex-direction:column;padding:4px;gap:0;}
.pf-panel{flex:1;min-height:80px;}
.pf-panel canvas{width:100%;height:100%;display:block;}
.pf-panel .panel-body{padding:2px;}

/* ---------------- РЕЖИМ ПЛОЩАДЬ: одно окно на весь экран, переключается через "Вид" ---------------- */
.area-workspace{flex:1;min-height:0;display:flex;flex-direction:column;padding:1px;}
.ar-panel{flex:1;min-height:0;display:flex;flex-direction:column;}
.ar-panel .panel-body{flex:1;min-height:0;padding:0;overflow:hidden;}
.ar-panel .panel-body.ar-scrollable{overflow:auto;}
.ar-panel canvas{display:block;}
.ar-zoom-group{display:flex;align-items:center;gap:.2rem;}
.ar-zoom-group button{
  width:24px;height:24px;border:1px solid var(--border);background:var(--card);color:var(--text);
  border-radius:4px;cursor:pointer;font-size:.85rem;line-height:1;
}
.ar-zoom-group button:hover{border-color:var(--accent);}
.ar-zoom-label{font-family:'JetBrains Mono',monospace;font-size:.72rem;color:var(--muted);min-width:34px;text-align:center;}

/* ---------------- ГЛАВНЫЙ ТУЛБАР ---------------- */
.app-toolbar{
  display:flex;align-items:center;gap:.2rem;flex-shrink:0;
  background:var(--toolbar-bg);border-bottom:1px solid var(--border);
  padding:.2rem .6rem;-webkit-app-region:drag;
}
.tb-btn{
  -webkit-app-region:no-drag;
  display:flex;flex-direction:column;align-items:center;gap:.15rem;
  background:transparent;border:1px solid transparent;border-radius:6px;
  color:var(--text);font-size:1.05rem;padding:.28rem .5rem;cursor:pointer;min-width:50px;
}
.tb-btn span{font-size:.6rem;font-family:'Segoe UI',sans-serif;color:var(--muted);white-space:nowrap;}
.tb-btn:hover{background:rgba(0,0,0,.05);border-color:var(--border);}
[data-theme="dark"] .tb-btn:hover{background:rgba(255,255,255,.06);}
.tb-btn.gold span{color:var(--gold);}
.tb-btn:disabled{opacity:.35;cursor:not-allowed;}
.tb-btn.active{background:rgba(15,123,108,.15);border-color:var(--accent);}
.tb-btn.busy{opacity:.55;position:relative;}
.tb-btn.busy::after{
  content:'';position:absolute;top:3px;right:3px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);animation:tbPulse 1s ease-in-out infinite;
}
@keyframes tbPulse{0%,100%{opacity:.3;}50%{opacity:1;}}
.tb-sep{width:1px;align-self:stretch;background:var(--border);margin:.2rem .3rem;}
.tb-flex-spacer{flex:1;-webkit-app-region:drag;}
.tb-misfit-label{font-size:.72rem;color:var(--muted);margin-right:.4rem;}

.tb-dropdown-wrap{position:relative;-webkit-app-region:no-drag;}
.tb-dropdown{
  display:none;position:absolute;top:100%;left:0;z-index:200;margin-top:2px;
  background:var(--card);border:1px solid var(--border);border-radius:6px;box-shadow:0 4px 14px rgba(0,0,0,.15);
  padding:.4rem 0;min-width:170px;
}
.tb-dropdown.open{display:block;}
.tb-check{display:flex;align-items:center;gap:.5rem;padding:.35rem .8rem;font-size:.8rem;cursor:pointer;white-space:nowrap;}
.tb-check:hover{background:rgba(0,0,0,.04);}
[data-theme="dark"] .tb-check:hover{background:rgba(255,255,255,.05);}
.tb-menu-item{
  display:block;width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:.4rem .9rem;font-size:.8rem;color:var(--text);white-space:nowrap;
}
.tb-menu-item:hover{background:rgba(0,0,0,.04);}
[data-theme="dark"] .tb-menu-item:hover{background:rgba(255,255,255,.05);}
.tb-menu-sep{height:1px;background:var(--border);margin:.3rem 0;}

.gvx-modal-wide{max-width:560px;max-height:85vh;overflow-y:auto;}
.lith-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem;}
.lith-item{
  display:flex;flex-direction:column;align-items:center;gap:.4rem;
  border:1px solid var(--border);border-radius:8px;padding:.6rem .4rem;cursor:pointer;
  background:var(--surface);text-align:center;
}
.lith-item:hover{border-color:var(--accent);}
.lith-item.active{border-color:var(--accent);background:rgba(15,123,108,.08);}
.lith-preview{width:100%;height:44px;border-radius:5px;border:1px solid var(--border);}
.lith-label{font-size:.72rem;line-height:1.2;}
.lith-none .lith-preview{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:1.2rem;}

.type-modal-desc{font-size:.85rem;line-height:1.6;color:var(--text);margin-bottom:.8rem;}
.type-ref-canvas{width:100%;height:160px;display:block;border:1px solid var(--border);border-radius:6px;margin-bottom:.7rem;}
.type-ref-layers{display:flex;flex-direction:column;gap:.3rem;}
.type-ref-row{
  display:flex;gap:1rem;align-items:center;font-family:'JetBrains Mono',monospace;font-size:.8rem;
  padding:.35rem .6rem;background:var(--surface);border:1px solid var(--border);border-radius:6px;
}
.type-ref-num{font-weight:700;color:var(--gold);width:16px;}
#tbAnalyze span{color:var(--gold);}
#tbAnalyze.tentative span{color:var(--warn);}
#tbConclusion.active{background:rgba(15,123,108,.15);border-color:var(--accent);}
#tbConclusion.active span{color:var(--accent);}
#pfBtnPipeline.active{background:rgba(255,32,32,.12);border-color:#ff2020;}
#pfBtnPipeline.active span{color:#ff2020;}
.conclusion-textarea{
  width:100%;min-height:260px;resize:vertical;background:var(--surface);color:var(--text);
  border:1px solid var(--border);border-radius:8px;padding:.7rem .8rem;font-family:'Segoe UI',sans-serif;
  font-size:.85rem;line-height:1.6;outline:none;
}
.conclusion-textarea:focus{border-color:var(--accent);}
.type-tentative-warn{
  background:rgba(255,107,53,.1);border:1px solid rgba(255,107,53,.35);border-radius:6px;
  padding:.6rem .8rem;margin-bottom:.7rem;font-size:.8rem;color:var(--warn);line-height:1.5;
}

/* ---------------- ИНФО-ТУЛБАР (файл / ВЭЗ / классификация) ---------------- */
.app-info-toolbar{
  display:flex;align-items:flex-end;gap:.5rem;flex-shrink:0;flex-wrap:wrap;
  background:var(--toolbar-bg2);border-bottom:1px solid var(--border);
  padding:.2rem .7rem;
}
.info-item{display:flex;flex-direction:column;gap:.2rem;}
.info-item label{font-size:.62rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;}
.info-item input,.info-item select{
  background:var(--card);border:1px solid var(--border);border-radius:5px;color:var(--text);
  font-family:'JetBrains Mono',monospace;font-size:.8rem;padding:.28rem .45rem;outline:none;width:110px;
}
.info-item input:focus,.info-item select:focus{border-color:var(--accent);}
.info-file{flex-direction:row;align-items:center;gap:.4rem;padding-bottom:.28rem;}
.info-fname{font-size:.82rem;font-weight:600;}
.info-count{font-size:.72rem;color:var(--muted);}
.info-ico{font-size:.95rem;}
.info-sep{width:1px;align-self:stretch;background:var(--border);}
.classmode-group{flex-direction:row;align-items:center;gap:.3rem;padding-bottom:.15rem;}
.seg-btn{
  background:var(--card);border:1px solid var(--border);color:var(--text);
  font-size:.75rem;padding:.32rem .65rem;cursor:pointer;
}
.seg-btn:first-of-type{border-radius:5px 0 0 5px;}
.seg-btn:last-of-type{border-radius:0 5px 5px 0;border-left:none;}
.seg-btn.active{background:var(--accent);color:#fff;border-color:var(--accent);}

.session-banner{
  background:rgba(15,123,108,.08);border-bottom:1px solid var(--accent);
  padding:.5rem .8rem;display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;font-size:.82rem;flex-shrink:0;
}

.class-legend{
  flex-shrink:0;display:flex;align-items:center;gap:1rem;flex-wrap:wrap;
  background:var(--toolbar-bg2);border-bottom:1px solid var(--border);
  padding:.4rem .8rem;font-size:.74rem;
  opacity:1;transition:opacity .4s ease;
}
.class-legend.fading{opacity:0;}
.class-legend-item{display:flex;align-items:center;gap:.4rem;}
.class-legend-swatch{width:12px;height:12px;border-radius:3px;display:inline-block;flex-shrink:0;}
.class-legend-range{color:var(--muted);font-family:'JetBrains Mono',monospace;font-size:.68rem;}

/* input скрытый, только для системного диалога выбора файла (fallback) */
.upload-zone-hidden{position:absolute;width:0;height:0;overflow:hidden;}
.drop-overlay{
  position:fixed;inset:0;z-index:500;display:none;align-items:center;justify-content:center;
  background:rgba(15,123,108,.12);border:3px dashed var(--accent);pointer-events:none;
}
.drop-overlay.show{display:flex;}
.drop-overlay-text{background:var(--card);border:1px solid var(--accent);border-radius:8px;padding:1rem 1.6rem;font-size:1rem;}

/* ---------------- РАБОЧАЯ ОБЛАСТЬ: 2 независимые колонки ---------------- */
.app-workspace{
  flex:1;min-height:0;display:flex;flex-direction:row;padding:4px;gap:0;
}
.ws-col{display:grid;min-width:0;min-height:0;}
.ws-col-left{
  flex:1;min-width:200px;
  grid-template-rows: var(--row-top,1fr) 6px var(--row-layers,150px);
  grid-template-areas:"curve" "hsplitL" "layers";
}
.ws-col-right{
  width:var(--col-right,380px);flex-shrink:0;min-width:0;
  grid-template-rows: var(--row-results,1fr) 6px var(--row-measure,150px);
  grid-template-areas:"results" "hsplitR" "measure";
}
.panel-curve{grid-area:curve;}
.panel-layers{grid-area:layers;}
.panel-results{grid-area:results;}
.panel-measure{grid-area:measure;}
#hSplitL{grid-area:hsplitL;}
#hSplitR{grid-area:hsplitR;}
.splitter-v{cursor:col-resize;flex-shrink:0;width:6px;margin:0 -3px;}
.splitter-h{cursor:row-resize;height:6px;margin:-3px 0;}
.splitter{background:transparent;position:relative;z-index:5;}
.splitter::after{content:'';position:absolute;inset:0;margin:auto;background:var(--border);}
.splitter-v::after{width:1px;height:100%;}
.splitter-h::after{width:100%;height:1px;}
.splitter:hover::after,.splitter.dragging::after{background:var(--accent);}
.ws-col.collapsed,.splitter.collapsed{display:none;}

.panel{
  background:var(--card);border:1px solid var(--border);border-radius:8px;
  box-shadow:var(--panel-shadow);display:flex;flex-direction:column;overflow:hidden;min-height:0;min-width:0;
}
.panel-head{
  flex-shrink:0;display:flex;align-items:center;gap:.6rem;
  background:var(--panel-head-bg);border-bottom:1px solid var(--border);
  padding:.3rem .6rem;font-size:.78rem;font-weight:600;color:var(--text);
}
.panel-head .hint{font-weight:400;font-size:.68rem;color:var(--muted);}
.panel-body{flex:1;min-height:0;overflow:auto;padding:.4rem;}
.panel-body-flush{padding:0;}
.panel-curve .panel-body{display:flex;flex-direction:column;min-height:0;padding:2px;}
.panel-curve .chart-canvas-wrap{flex:1;min-height:0;position:relative;}
.panel-curve canvas#podbor{width:100%;height:100%;display:block;border-radius:3px;}
.panel-results .panel-body{display:flex;flex-direction:column;min-height:0;padding:2px;}
#sectionCanvas{flex:1;min-height:0;width:100%;height:100%;display:block;border-radius:3px;}
.icon-btn{
  background:transparent;border:1px solid var(--border);border-radius:5px;
  font-size:.85rem;padding:.2rem .45rem;cursor:pointer;color:var(--text);
}
.icon-btn:hover{border-color:var(--accent);}

/* ---------------- ТАБЛИЦА ПЛАСТОВ (CSS Grid, excel-подобная, без <table>/sticky) ---------------- */
.xl-wrap{display:flex;flex-direction:column;height:100%;font-family:'JetBrains Mono',monospace;font-size:.82rem;}
.xl-head-row{
  flex-shrink:0;display:grid;position:relative;
  background:var(--panel-head-bg);color:var(--muted);border-bottom:1px solid var(--border);
  font-size:.63rem;text-transform:uppercase;letter-spacing:.04em;
}
.xl-head-row div{padding:.35rem .5rem;}
.xl-body{flex:1;min-height:0;overflow-y:auto;}
.xl-row{display:grid;align-items:center;border-bottom:1px solid var(--border);}
.xl-row:hover{background:rgba(0,0,0,.025);}
[data-theme="dark"] .xl-row:hover{background:rgba(255,255,255,.03);}
.xl-row-base{background:rgba(154,106,0,.06);}
.xl-row > div{padding:.15rem .5rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* Пласты: № | цвет | ρ | h | активность | замок-ρ | замок-h | удалить */
.xl-cols-layers{grid-template-columns: var(--lc0,30px) var(--lc1,22px) var(--lc2,100px) var(--lc3,90px) 1fr var(--lc5,42px) var(--lc6,42px) var(--lc7,42px);}
/* Измерения: цвет | AB/2 | ρк | активность */
.xl-cols-measure{grid-template-columns: var(--mc0,16px) var(--mc1,100px) var(--mc2,100px) 1fr;}
.col-resize-handle{position:absolute;top:0;bottom:0;width:7px;cursor:col-resize;z-index:3;}
.col-resize-handle::after{content:'';position:absolute;top:0;bottom:0;left:3px;width:1px;background:var(--border);}
.col-resize-handle:hover::after,.col-resize-handle.dragging::after{background:var(--accent);width:2px;left:2.5px;}

.xl-swatch{display:inline-block;width:11px;height:11px;border-radius:3px;vertical-align:middle;}
.xl-swatch-cell{text-align:center;}
.xl-num{font-weight:600;white-space:nowrap;}
.xl-base-tag{font-weight:400;color:var(--muted);font-size:.72rem;}
.xl-inf{color:var(--muted);}
.xl-input{
  width:100%;background:transparent;border:1px solid transparent;border-radius:4px;
  color:var(--text);font-family:'JetBrains Mono',monospace;font-size:.82rem;padding:.25rem .35rem;outline:none;
}
.xl-input:hover{border-color:var(--border);}
.xl-input:focus{border-color:var(--accent);background:var(--surface);}
.xl-input:disabled{opacity:.55;}
.lock-btn{
  background:var(--surface);border:1px solid var(--border);border-radius:5px;cursor:pointer;
  font-size:.78rem;width:24px;height:24px;line-height:1;opacity:.75;
}
.lock-btn:hover{opacity:1;border-color:var(--accent);}
.lock-btn.active{opacity:1;background:rgba(196,43,28,.12);border-color:var(--warn);}
.layer-remove{background:transparent;border:1px solid var(--border);color:var(--warn);border-radius:5px;width:26px;height:26px;cursor:pointer;font-size:.85rem;}
.layer-remove:hover{background:rgba(196,43,28,.1);}
.layer-remove:disabled{opacity:.25;cursor:not-allowed;}

/* ---------------- НИЖНИЙ СТАТУС-БАР ---------------- */
.app-statusbar{
  display:flex;align-items:center;gap:1.4rem;flex-shrink:0;
  background:var(--toolbar-bg2);border-top:1px solid var(--border);
  padding:.2rem .9rem;font-size:.76rem;
}
.stat-item{display:flex;align-items:center;gap:.4rem;}
.stat-lbl{color:var(--muted);}
.stat-val{font-family:'JetBrains Mono',monospace;font-weight:600;}

.gvx-brand-badge{display:flex;align-items:center;font-size:.72rem;white-space:nowrap;}
.gvx-brand-link{color:#111111;text-decoration:none;font-weight:800;}
.gvx-brand-link span{color:#2ecc71;font-weight:800;}
.gvx-brand-link:hover{color:#111111;}
.gvx-brand-link:hover span{color:#8b5a2b;}

@media (max-width:900px){
  .app-workspace{grid-template-columns:1fr;grid-template-rows:1fr auto 200px auto 260px;
    grid-template-areas:"curve" "hsplit" "layers" "vsplit" "results";overflow:auto;}
  .splitter-v{width:100%;height:6px;margin:-3px 0;cursor:row-resize;}
  .splitter-v::after{width:100%;height:1px;}
}