/* ════════════ PROGRAM BUILDER — pilates.exe ════════════ */
.program-section{padding-block:clamp(56px,8vh,104px);}

.pg-wrap{display:flex;flex-direction:column;gap:18px;}

/* ── toolbar ── */
.pg-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;
  padding-bottom:16px;border-bottom:1px solid var(--ink);}
.pg-name-input{flex:1;min-width:200px;font-family:"Newsreader",serif;font-size:20px;
  padding:9px 13px;border:1px solid var(--rule);border-radius:3px;
  background:var(--paper-2);color:var(--ink);}
.pg-name-input:focus{outline:none;border-color:var(--accent);}
.pg-select{font-family:"IBM Plex Mono",monospace;font-size:11px;padding:9px 12px;
  border:1px solid var(--rule);border-radius:3px;background:var(--paper-2);
  color:var(--ink-2);letter-spacing:.04em;cursor:pointer;max-width:190px;}
.pg-btn{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.06em;
  padding:9px 16px;border:1px solid var(--ink);border-radius:999px;background:transparent;
  color:var(--ink);cursor:pointer;text-transform:uppercase;white-space:nowrap;
  transition:background .15s,color .15s,opacity .15s;}
.pg-btn:hover{background:var(--ink);color:var(--paper);}
.pg-btn.solid{background:var(--ink);color:var(--paper);}
.pg-btn.solid:hover{background:var(--accent);border-color:var(--accent);}
.pg-btn:disabled{opacity:.4;cursor:not-allowed;}
.pg-btn:disabled:hover{background:transparent;color:var(--ink);}
.pg-btn.solid:disabled:hover{background:var(--ink);border-color:var(--ink);color:var(--paper);}

/* ── sign-in note ── */
.pg-signin-note{font-family:"IBM Plex Sans",sans-serif;font-size:13px;color:var(--ink-2);
  background:var(--accent-bg);border:1px solid var(--rule);border-radius:4px;
  padding:11px 14px;line-height:1.55;}
.pg-signin-note button{font:inherit;color:var(--accent);background:none;border:0;
  cursor:pointer;text-decoration:underline;padding:0;}

/* ── mobile tab bar ── */
.pg-tabs{display:none;}

/* ── grid ── */
.pg-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--rule);
  border:1px solid var(--rule);}
@media(max-width:820px){.pg-grid{grid-template-columns:1fr;}}
.pg-panel{background:var(--paper-2);display:flex;flex-direction:column;min-height:0;}

@media(max-width:820px){
  .pg-tabs{
    display:flex;
    border:1px solid var(--rule);
    border-radius:6px 6px 0 0;
    overflow:hidden;
    flex-shrink:0;
  }
  .pg-tab{
    flex:1;
    font-family:"IBM Plex Mono",monospace;
    font-size:11px;
    letter-spacing:.06em;
    text-transform:uppercase;
    padding:11px 8px;
    border:none;
    background:var(--paper-2);
    color:var(--ink-3);
    cursor:pointer;
    transition:background .15s,color .15s;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:6px;
  }
  .pg-tab.active{background:var(--ink);color:var(--paper);}
  .pg-tab-count{
    font-size:10px;
    background:var(--accent);
    color:#fff;
    border-radius:999px;
    padding:1px 6px;
    line-height:1.5;
  }
  .pg-tab.active .pg-tab-count{background:rgba(255,255,255,.25);}

  .pg-grid{border-top:0;border-radius:0 0 6px 6px;}

  /* hide inactive panel; active panel fills viewport */
  .pg-panel--hidden{display:none;}
  .pg-panel{
    height:calc(100svh - 320px);
    min-height:360px;
  }
  .pg-lib-list{max-height:none;flex:1;}
  .pg-drop{max-height:none;flex:1;}
}
.pg-panel-head{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent);padding:16px 18px 12px;
  display:flex;justify-content:space-between;align-items:baseline;gap:10px;}
.pg-panel-head .pg-name-echo{color:var(--ink);overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap;}
.pg-panel-head .pg-count{color:var(--ink-3);flex:none;}

/* ── library ── */
.pg-search{margin:0 18px;font-family:"IBM Plex Sans",sans-serif;font-size:13px;
  padding:8px 11px;border:1px solid var(--rule);border-radius:3px;
  background:var(--paper);color:var(--ink);}
.pg-search:focus{outline:none;border-color:var(--accent);}
.pg-filters{display:flex;flex-wrap:wrap;gap:8px;padding:11px 18px 6px;}
.pg-fselect{flex:1;min-width:128px;font-family:"IBM Plex Mono",monospace;font-size:11px;
  padding:7px 9px;border:1px solid var(--rule);border-radius:3px;background:var(--paper);
  color:var(--ink-2);letter-spacing:.02em;cursor:pointer;}
.pg-fselect:focus{outline:none;border-color:var(--accent);}
.pg-lib-list{flex:1;overflow-y:auto;max-height:540px;padding:4px 18px 18px;}
.pg-ex-card{display:grid;grid-template-columns:42px 1fr auto auto;gap:10px;align-items:center;
  padding:10px;margin-top:6px;border:1px solid var(--rule);border-radius:4px;
  background:var(--paper);cursor:grab;
  transition:border-color .15s,background .15s;}
.pg-ex-card:hover{border-color:var(--accent);background:var(--accent-bg);}
.pg-ex-card:active{cursor:grabbing;}
.pg-ex-id{font-family:"IBM Plex Mono",monospace;font-size:10px;color:var(--ink-3);}
.pg-ex-name{font-family:"Newsreader",serif;font-size:15px;line-height:1.15;color:var(--ink);}
.pg-ex-meta{font-family:"IBM Plex Mono",monospace;font-size:9px;color:var(--ink-3);
  text-transform:uppercase;letter-spacing:.04em;text-align:right;line-height:1.4;}
.pg-ex-add{font-family:"IBM Plex Mono",monospace;font-size:17px;line-height:1;
  color:var(--accent);border:1px solid var(--rule);background:var(--paper-2);
  border-radius:3px;cursor:pointer;width:26px;height:26px;}
.pg-ex-add:hover{background:var(--accent);color:var(--paper);border-color:var(--accent);}

/* ── builder drop zone ── */
.pg-drop{flex:1;overflow-y:auto;max-height:600px;padding:8px 18px 14px;
  transition:background .15s;}
.pg-drop.over{background:var(--accent-bg);}
.pg-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;gap:7px;padding:46px 20px;color:var(--ink-3);min-height:260px;
  border:1.5px dashed var(--rule);border-radius:6px;margin-top:6px;
  transition:border-color .15s,color .15s;}
.pg-empty.over{border-color:var(--accent);color:var(--accent);}
.pg-empty-mark{font-size:26px;line-height:1;}
.pg-empty-text{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;}
.pg-empty-sub{font-family:"IBM Plex Sans",sans-serif;font-size:12px;color:var(--ink-4);}
.pg-item{display:grid;grid-template-columns:26px 16px 1fr auto;gap:9px;align-items:center;
  padding:10px;margin-top:6px;border:1px solid var(--rule);border-radius:4px;
  background:var(--paper);cursor:grab;}
.pg-item:active{cursor:grabbing;}
.pg-item.dragging{opacity:.4;}
.pg-item.drop-before{box-shadow:inset 0 3px 0 -1px var(--accent);}
.pg-item-num{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--accent);}
.pg-item-handle{color:var(--ink-4);font-size:12px;letter-spacing:-2px;}
.pg-item-name{font-family:"Newsreader",serif;font-size:15px;color:var(--ink);cursor:pointer;}
.pg-item-name:hover{color:var(--accent);}
.pg-item-meta{display:block;font-family:"IBM Plex Mono",monospace;font-size:9px;
  color:var(--ink-3);text-transform:uppercase;letter-spacing:.04em;margin-top:2px;}
.pg-item-remove{font-family:"IBM Plex Mono",monospace;font-size:15px;color:var(--ink-3);
  border:0;background:none;cursor:pointer;padding:2px 8px;border-radius:3px;line-height:1;}
.pg-item-remove:hover{color:var(--accent);background:var(--accent-bg);}

/* ── summary + status ── */
.pg-summary{display:flex;gap:20px;padding:12px 18px;border-top:1px solid var(--rule);
  font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink-3);}
.pg-summary strong{color:var(--ink);font-weight:600;font-size:12px;}
.pg-status{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.04em;
  color:var(--ink-3);min-height:16px;}
.pg-status.ok{color:var(--accent);}