/* ── sidebar ── */
#sidebar{width:230px;flex-shrink:0;background:var(--bg-surface);border-right:1px solid var(--border);
         display:flex;flex-direction:column;overflow:hidden;transition:width .2s}
#sidebar.collapsed{width:0;overflow:hidden}
#sb-head{padding:14px 14px 10px;border-bottom:1px solid var(--border);flex-shrink:0}
#sb-head h2{font-size:12px;font-weight:700;color:var(--text-bright);margin-bottom:10px;
            display:flex;align-items:center;gap:6px;letter-spacing:.04em;text-transform:uppercase}
#btn-new-proj{width:100%;padding:7px;font-size:11px;border:1px dashed var(--border-accent);border-radius:7px;
              background:transparent;color:var(--text-muted);cursor:pointer;transition:all .15s}
#btn-new-proj:hover{border-color:var(--accent);color:var(--accent-light);background:var(--bg-accent-subtle)}
#proj-list{flex:1;overflow-y:auto;padding:6px}
#proj-list::-webkit-scrollbar{width:4px}
#proj-list::-webkit-scrollbar-track{background:transparent}
#proj-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}
.proj-item{padding:8px 10px;border-radius:7px;cursor:pointer;display:flex;align-items:center;
           gap:8px;transition:background .1s;border:1px solid transparent;margin-bottom:2px}
.proj-item:hover{background:var(--bg-hover)}
.proj-item.active{background:var(--bg-active);border-color:var(--border-accent)}
.proj-icon{font-size:15px;flex-shrink:0;opacity:.7}
.proj-info{flex:1;min-width:0}
.proj-name{font-size:12px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.proj-meta{font-size:10px;color:var(--text-muted);margin-top:2px}
.proj-actions{display:none;gap:2px;flex-shrink:0}
.proj-item:hover .proj-actions,.proj-item.active .proj-actions{display:flex}
.pa-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:3px 5px;
        border-radius:4px;font-size:11px;line-height:1;transition:all .1s}
.pa-btn:hover{color:var(--danger);background:var(--danger-hover-bg)}
.pa-btn.dup:hover{color:var(--accent-light);background:var(--bg-accent-subtle)}
#sb-foot{padding:10px 12px;border-top:1px solid var(--border);flex-shrink:0;display:flex;flex-direction:row;gap:6px}
.sb-btn{flex:1;padding:7px;font-size:11px;border:1px solid var(--border);border-radius:7px;
        background:var(--bg-panel);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;
        justify-content:center;gap:6px;transition:all .15s}
.sb-btn:hover{border-color:var(--accent);color:var(--accent-light)}

/* ── diagrams in sidebar ── */
.proj-diagrams{padding:0 6px 6px 26px;display:flex;flex-direction:column;gap:1px}
.diag-item{display:flex;align-items:center;gap:6px;padding:5px 8px;border-radius:6px;
           cursor:pointer;font-size:11px;color:var(--text-muted);transition:background .1s}
.diag-item:hover{background:var(--bg-hover);color:var(--text)}
.diag-item.active{background:var(--bg-active);color:var(--accent-bright);font-weight:600}
.diag-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.diag-actions{display:none;gap:2px;flex-shrink:0}
.diag-item:hover .diag-actions,.diag-item.active .diag-actions{display:flex}
.da-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;
        padding:2px 4px;border-radius:3px;line-height:1;transition:all .1s}
.da-btn:hover{color:var(--danger);background:var(--danger-hover-bg)}
.da-btn.rename:hover{color:var(--accent-light);background:var(--bg-accent-subtle)}
.da-btn svg.lucide{width:10px;height:10px}
.diag-add-btn{margin-top:2px;width:100%;padding:5px 8px;font-size:10px;text-align:left;
              border:1px dashed var(--border-accent);border-radius:5px;background:transparent;
              color:var(--text-dim);cursor:pointer;transition:all .15s}
.diag-add-btn:hover{border-color:var(--accent);color:var(--accent-light)}

/* ── main ── */
#main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0;background:var(--canvas-bg)}
#tb{display:flex;align-items:center;gap:0;padding:0 8px 0 0;height:44px;
    background:var(--bg-surface);border-bottom:1px solid var(--border);flex-shrink:0;z-index:var(--z-chrome)}

/* scrollable toolbar strip */
#tb-scroll{display:flex;align-items:center;flex:1;min-width:0;overflow-x:auto;
           padding:0 8px;gap:0;
           -webkit-mask-image:linear-gradient(to right,#000 calc(100% - 24px),transparent 100%);
           mask-image:linear-gradient(to right,#000 calc(100% - 24px),transparent 100%)}
#tb-scroll::-webkit-scrollbar{display:none}
#tb-scroll{-ms-overflow-style:none;scrollbar-width:none}

/* toolbar groups */
.tb-group{display:flex;align-items:center;gap:2px;padding:0 5px;flex-shrink:0}
.tb-group:first-child{padding-left:0}
.tb-div{width:1px;height:20px;background:var(--border);flex-shrink:0;margin:0 1px}
.tb-right{display:flex;align-items:center;gap:6px;flex-shrink:0;padding-left:6px;
          border-left:1px solid var(--border)}

/* sidebar toggle */
#sb-toggle{background:transparent;border:none;color:var(--text-muted);cursor:pointer;
           font-size:16px;padding:4px 6px;border-radius:5px;line-height:1;
           transition:color .12s;flex-shrink:0}
#sb-toggle:hover{color:var(--text)}

/* project title */
#proj-title-wrap{display:flex;align-items:center;gap:5px}
#proj-title{background:transparent;border:none;border-bottom:1px solid transparent;
            color:var(--text-light);font-size:13px;font-weight:600;padding:2px 4px;
            outline:none;cursor:pointer;width:130px}
#proj-title:hover{border-color:var(--border)}
#proj-title:focus{border-color:var(--accent);color:var(--text-bright);background:var(--bg-panel);border-radius:4px 4px 0 0}
#proj-title:disabled{color:var(--text-dim);cursor:default}
.save-badge{font-size:10px;color:var(--success);opacity:0;transition:opacity .3s;white-space:nowrap}
.save-badge.show{opacity:1}

/* diagram chip in toolbar */
.proj-diag-sep{color:var(--border-strong);font-size:12px;padding:0 3px;flex-shrink:0}
.diag-title-chip{font-size:11px;color:var(--accent-light);cursor:pointer;padding:2px 7px;
                 border-radius:4px;white-space:nowrap;max-width:140px;
                 overflow:hidden;text-overflow:ellipsis;border:1px solid transparent;
                 transition:all .12s}

/* ── view segmented control (Vodiče | Svazky) ── */
.view-seg{display:inline-flex;background:var(--bg-panel);border:1px solid var(--border);
          border-radius:7px;padding:2px;gap:2px}
.view-seg-btn{border:none;background:transparent;padding:4px 10px;font-size:11px;font-weight:500;
              color:var(--text-secondary);border-radius:5px;cursor:pointer;white-space:nowrap;
              display:inline-flex;align-items:center;gap:6px;height:24px;transition:all .1s}
.view-seg-btn svg.lucide{width:12px;height:12px;flex-shrink:0}
.view-seg-btn:hover:not(:disabled):not(.view-seg-btn--active){background:var(--bg-hover);color:var(--text)}
.view-seg-btn--active{background:var(--bg-accent-active);color:var(--accent-bright);
                      box-shadow:0 1px 2px rgba(0,0,0,.15) inset}
.view-seg-btn:disabled{opacity:.38;cursor:default}

/* search area */
#fi{min-width:160px;max-width:220px;padding:5px 9px;font-size:11px;height:28px;
    border:1px solid var(--border);border-radius:6px;background:var(--bg-input);color:var(--text);outline:none}
#fi:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(37,99,235,.15)}
#st{font-size:10px;color:var(--text-dim);white-space:nowrap;padding:0 4px}
.sep{width:1px;height:18px;background:var(--border);flex-shrink:0}

/* ── viewport ── */
#vp{flex:1;overflow:hidden;position:relative;background:var(--canvas-bg);cursor:default}
#btn-zoom-reset{position:absolute;top:10px;right:10px;z-index:var(--z-picker);display:flex;align-items:center;gap:5px;padding:5px 10px;background:var(--bg-elevated);border:1px solid var(--border-strong);border-radius:6px;color:var(--text-secondary);font-size:12px;cursor:pointer;transition:background .15s,color .15s}
#btn-zoom-reset:hover{background:var(--border-strong);color:var(--text)}
#harness-tools{position:absolute;top:10px;left:10px;z-index:var(--z-picker);display:flex;flex-direction:column;gap:3px;
  background:var(--bg-elevated);border:1px solid var(--border-strong);border-radius:8px;padding:4px}
.ht-btn{width:30px;height:30px;display:flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid transparent;border-radius:6px;color:var(--text-muted);cursor:pointer;transition:all .15s}
.ht-btn:hover{background:var(--border-strong);color:var(--text)}
.ht-btn.active{background:var(--bg-accent-strong);border-color:var(--accent);color:var(--accent-bright)}
.ht-btn--danger:hover{color:var(--danger);background:var(--danger-hover-bg)}
/* Delete mode: red outline on cards */
body.hmode-delete .card:hover{outline:2px solid #f87171!important;cursor:not-allowed!important}
body.hmode-delete .harness-junc{cursor:not-allowed!important}
body.hmode-delete .harness-junc:hover circle{stroke:#f87171!important;fill:#450a0a!important}
body.hmode-delete .harness-junc:hover text{fill:#f87171!important}
body.hmode-delete .harness-seg-hit{cursor:not-allowed!important}
body.hmode-junction .harness-seg-hit{cursor:crosshair!important}
#vp.wire-mode{cursor:crosshair}
#vp.wire-mode tr.pr{cursor:crosshair!important}
#vp.wire-mode .comp-pin{cursor:crosshair!important}
.ht-btn svg.lucide{width:16px;height:16px}
.ht-btn[disabled]{opacity:.3;pointer-events:none}
.ht-btn--hint{animation:hint-pulse 1.5s ease-in-out infinite;box-shadow:0 0 6px #ef4444}
@keyframes hint-pulse{0%,100%{box-shadow:0 0 4px #ef4444;background:var(--bg-card)}50%{box-shadow:0 0 12px #ef4444;background:rgba(239,68,68,.15)}}
.ht-bundle-only{display:none}
.ht-bundle-only.ht-visible{display:flex}
/* Přidat dropdown otevřít doprava */
.ht-add-dd{position:relative}
.ht-add-dd .comp-menu--right{left:calc(100% + 6px)!important;top:0!important}
#canvas-wrap{position:absolute;top:0;left:0;width:4000px;height:3200px;transform-origin:0 0;will-change:transform}
#card-layer{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}
#wire-svg{position:absolute;top:0;left:0;width:100%;height:100%;
          pointer-events:none;overflow:visible}
#wire-svg path{pointer-events:stroke;cursor:pointer}
#wire-svg line{pointer-events:stroke;cursor:pointer}
#wire-svg .harness-junc{pointer-events:all}
#wire-svg .comp-inline-hit{pointer-events:all;cursor:grab}
/* Orthogonal-wire interior segment-shift zone (#wire-svg defaults children
   to pointer-events:none, so force it here). Cursor is set inline per-rect
   based on segment orientation (ns-resize / ew-resize). */
#wire-svg .wireSegShift{pointer-events:all !important}
.comp-inline-overlay{z-index:var(--z-base)}

/* ── smart hint banner ── */
.smart-hint{position:absolute;top:8px;left:50%;transform:translateX(-50%);z-index:var(--z-hint);
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:8px 28px 8px 14px;border-radius:8px;font-size:11px;line-height:1.4;
  max-width:min(600px,70vw);background:var(--bg-accent-subtle);color:var(--text-secondary);
  border:1px solid var(--accent-dark);white-space:normal;text-align:center;
  pointer-events:all;opacity:0;transition:opacity .25s}
.smart-hint:not(.hidden){opacity:1}
.smart-hint.hidden{display:none}
.smart-hint .sh-text{text-align:center}
.smart-hint .sh-btns{display:flex;gap:6px;justify-content:center}
.smart-hint .sh-btn{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:6px;cursor:pointer;flex-shrink:0;
  background:transparent;border:1px solid transparent;color:var(--text-muted);
  animation:hint-pulse 1.5s ease-in-out infinite;box-shadow:0 0 6px #ef4444}
.smart-hint .sh-btn:hover{background:var(--border-strong);color:var(--text)}
.smart-hint .sh-btn svg.lucide{width:16px;height:16px}
.smart-hint .sh-close{position:absolute;right:6px;top:6px;
  background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:13px;
  padding:2px 4px;line-height:1;opacity:.6;transition:opacity .12s}
.smart-hint .sh-close:hover{opacity:1;color:var(--text)}
/* tip mode */
.smart-hint--tip{padding:6px 28px 6px 14px}
.smart-hint--tip .sh-tip-text{font-size:11px}
.smart-hint .sh-tip-nav{display:flex;align-items:center;gap:6px;margin-top:2px}
.smart-hint .sh-tip-counter{font-size:10px;color:var(--text-dim);min-width:40px;text-align:center}
.smart-hint .sh-tip-prev,.smart-hint .sh-tip-next{background:none;border:none;color:var(--text-muted);
  cursor:pointer;font-size:16px;line-height:1;padding:0 4px;transition:color .12s}
.smart-hint .sh-tip-prev:hover,.smart-hint .sh-tip-next:hover{color:var(--text)}

/* ── empty state ── */
#empty{position:absolute;inset:0;display:flex;flex-direction:column;
       align-items:center;justify-content:center;gap:8px;pointer-events:none}
#empty.hidden{display:none}
#empty .ei{font-size:52px;opacity:.1}
#empty .et{font-size:14px;color:var(--text-faint)}
#empty .es{font-size:12px;color:var(--text-faint)}

/* ── detail panel ── */
#dp{flex-shrink:0;background:var(--bg-surface);border-top:1px solid var(--border);
    padding:8px 14px;max-height:125px;overflow-y:auto;z-index:var(--z-chrome)}
#dp h3{font-size:10px;font-weight:700;color:var(--text-secondary);margin-bottom:6px;
       text-transform:uppercase;letter-spacing:.06em}
#dr{display:flex;flex-wrap:wrap;gap:5px}
.di{background:var(--bg-panel);border-radius:6px;border:1px solid var(--border);
    padding:5px 10px;font-size:11px;cursor:pointer;transition:border-color .1s}
.di:hover{border-color:var(--accent)}
.di .dl{color:var(--text-dim);font-size:9px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:2px}
.di .dv{color:var(--text);font-weight:500}
.wd{display:inline-block;width:8px;height:8px;border-radius:50%;
    margin-right:4px;vertical-align:middle;border:1px solid rgba(255,255,255,.1)}

/* ── confirm dialog ── */
.app-confirm{background:var(--bg-surface);border:1px solid var(--border);border-radius:10px;
  width:min(92vw,420px);box-shadow:0 20px 60px rgba(0,0,0,.9);overflow:hidden}
.app-confirm-head{padding:12px 16px;border-bottom:1px solid var(--border);font-size:13px;font-weight:600;color:var(--text-bright)}
.app-confirm-body{padding:14px 16px;font-size:12px;color:var(--text-light);line-height:1.55;white-space:pre-line;
  max-height:50vh;overflow-y:auto}
.app-confirm-foot{padding:10px 16px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end}
.app-confirm-cancel{padding:6px 14px;font-size:12px;border:1px solid var(--border-strong);border-radius:6px;
  background:transparent;color:var(--text-secondary);cursor:pointer}
.app-confirm-cancel:hover{background:var(--bg-elevated);color:var(--text)}
.app-confirm-ok{padding:6px 14px;font-size:12px;border:none;border-radius:6px;
  background:var(--danger-dark);color:#fff;cursor:pointer;font-weight:600}
.app-confirm-ok:hover{background:var(--danger)}

/* ── component list panel ── */
#comp-list-panel{margin:6px 8px 8px 8px;padding:6px 6px 8px 10px;max-height:45vh;overflow-y:auto;
  background:var(--bg-surface);border:1px solid var(--border);border-radius:8px}
.cl-panel-head{display:flex;align-items:center;gap:5px;padding:0 4px 6px;margin-bottom:2px;
  border-bottom:1px solid var(--border);font-size:10px;font-weight:600;color:var(--text-dim);
  text-transform:uppercase;letter-spacing:.5px}
.cl-panel-head svg.lucide{width:11px;height:11px;color:var(--text-muted)}
.cl-group{margin-bottom:2px}
.cl-group-head{display:flex;align-items:center;gap:4px;padding:4px 6px;cursor:pointer;
               border-radius:4px;font-size:10px;font-weight:600;color:var(--text-muted);
               text-transform:uppercase;letter-spacing:.4px;user-select:none}
.cl-group-head:hover{background:var(--bg-active);color:var(--text)}
.cl-arrow{width:10px;height:10px;flex-shrink:0}
.cl-count{margin-left:auto;font-size:9px;color:var(--text-dim);font-weight:400}
.cl-items{padding-left:6px}
.cl-item{display:flex;align-items:center;gap:5px;padding:3px 6px;cursor:pointer;
         border-radius:4px;font-size:11px;color:var(--text-secondary);transition:background .1s}
.cl-item:hover{background:var(--bg-active);color:var(--text)}
.cl-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.cl-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.cl-edit{display:none;background:none;border:none;color:var(--text-muted);cursor:pointer;padding:1px 3px;flex-shrink:0}
.cl-edit:hover{color:var(--accent-light)}
.cl-edit svg.lucide{width:10px;height:10px}
.cl-item:hover .cl-edit{display:block}