:root {
  color-scheme: dark;
  --bg: #090c0d;
  --panel: #101516;
  --panel-2: #171d1f;
  --panel-3: #20282a;
  --line: #30393a;
  --line-strong: #4a5657;
  --text: #e4e8e5;
  --muted: #98a3a1;
  --accent: #d9a348;
  --accent-2: #f0c46f;
  --cyan: #72aeb0;
  --green: #7eae88;
  --danger: #d76b62;
  --shadow: 6px 8px 0 rgba(0, 0, 0, .38);
  --radius: 2px;
  font-family: "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  min-width: 320px;
  overflow: hidden;
  background: #070909;
  color: var(--text);
  font-size: 16px;
}

button, input, select, textarea { font: inherit; }

button { color: inherit; }

button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, canvas:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.app-header {
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 16px;
  border-top: 3px solid var(--accent);
  border-bottom: 1px solid var(--line-strong);
  background: #0c1112;
  box-shadow: none;
  position: relative;
  z-index: 10;
}

.brand-block, .header-actions, .sim-controls, .view-controls, .section-heading, .status-line,
.modal-heading, .admin-session-bar, .health-row, .form-row { display: flex; align-items: center; }

.brand-block { gap: 11px; min-width: 225px; }

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  position: relative;
  background: #0a0e0f;
  border: 1px solid var(--accent);
  color: var(--accent-2);
  font-weight: 900;
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  letter-spacing: .04em;
  border-radius: 2px;
  box-shadow: inset 0 0 0 3px #171d1e;
}

.brand-mark::after {
  content: "";
  position: absolute;
  left: 5px;
  right: 5px;
  bottom: 4px;
  height: 1px;
  background: var(--accent);
}

h1, h2, h3, p { margin-top: 0; }
.brand-block h1, .tool-panel h2, .tool-panel h3, .modal h2, .modal h3 {
  font-family: Bahnschrift, "Arial Narrow", "Segoe UI", sans-serif;
  font-stretch: condensed;
}
.brand-block h1 { margin: 0; font-size: 1.02rem; line-height: 1.1; letter-spacing: .055em; text-transform: uppercase; }
.brand-block p { margin: 4px 0 0; color: #7f8a88; font: 600 .68rem/1.1 ui-monospace, "Cascadia Mono", Consolas, monospace; letter-spacing: .025em; }

.header-actions { gap: 8px; }

.design-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: .82rem;
  padding-right: 4px;
}

.design-picker select { min-width: 170px; }

select, input, textarea {
  color: var(--text);
  background: #0a0e0f;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  min-height: 38px;
  padding: 7px 10px;
}

textarea { resize: vertical; }

.button, .quiet-button, .transport-button, .close-button, .tool-card, .tabs button, .segmented button, .menu button {
  border: 0;
  cursor: pointer;
}

.button {
  min-height: 38px;
  padding: 7px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 1px;
  background: var(--panel-2);
  font-weight: 700;
  font-size: .76rem;
  letter-spacing: .035em;
  text-transform: uppercase;
}

.button:hover { background: var(--panel-3); border-color: #527083; }
.button.primary { background: var(--accent); border-color: #efc46e; color: #171107; }
.button.primary:hover { background: var(--accent-2); }
.button.danger { background: var(--danger); border-color: var(--danger); color: #200807; }
.admin-button { color: var(--accent-2); }
.icon-button { width: 40px; padding: 0; }

.menu-wrap { position: relative; }
.menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 170px;
  padding: 5px;
  background: #151b1c;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  box-shadow: var(--shadow);
}

.menu button { display: block; width: 100%; padding: 9px 10px; text-align: left; background: transparent; border-radius: 0; font-size: .8rem; }
.menu button:hover { background: var(--panel-3); }
.danger-text { color: var(--danger) !important; }

.canvas-context-menu {
  position: fixed;
  z-index: 50;
  width: 150px;
  padding: 5px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: #151b1c;
  box-shadow: var(--shadow);
}
.canvas-context-menu button { display: block; width: 100%; padding: 9px 10px; border: 0; border-radius: 2px; background: transparent; color: var(--text); text-align: left; font-size: .82rem; cursor: pointer; }
.canvas-context-menu button:hover:not(:disabled), .canvas-context-menu button:focus-visible { background: var(--panel-3); }
.canvas-context-menu button:disabled { color: #506670; cursor: default; }

.workspace {
  display: grid;
  grid-template-columns: 292px minmax(360px, 1fr) 286px;
  height: calc(100vh - 62px);
}

.tool-panel {
  background-color: var(--panel);
  background-image: repeating-linear-gradient(0deg, transparent 0, transparent 31px, rgba(255, 255, 255, .012) 31px, rgba(255, 255, 255, .012) 32px);
  overflow-y: auto;
  scrollbar-color: var(--line-strong) transparent;
}

.left-panel { border-right: 1px solid var(--line-strong); padding: 14px; }
.right-panel { border-left: 1px solid var(--line); }
.tool-panel section + section { border-top: 1px solid var(--line-strong); margin-top: 16px; padding-top: 15px; }
.tool-panel h2 { font-size: .9rem; margin: 0; letter-spacing: .08em; text-transform: uppercase; }
.tool-panel h3 { display: flex; align-items: center; gap: 7px; color: #c2c9c6; font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 10px; }
.tool-panel h3::before { content: ""; width: 12px; height: 2px; flex: 0 0 auto; background: var(--accent); }
.section-heading { justify-content: space-between; }

.quiet-button {
  min-height: 30px;
  padding: 5px 8px;
  border-radius: 1px;
  color: var(--muted);
  background: transparent;
  font-size: .82rem;
}
.quiet-button:hover { color: var(--text); background: var(--panel-3); }
.mobile-only { display: none; }

.tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin-top: 12px; }
.tool-card {
  min-height: 48px;
  display: grid;
  grid-template-columns: 23px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  color: var(--muted);
  background: #0a151c;
  border: 1px solid var(--line);
  border-radius: 1px;
  font-size: .76rem;
  text-align: left;
}
.tool-card:hover, .tool-card.active { color: var(--text); border-color: var(--accent); background: #201d16; }
.tool-card .tool-icon { width: 23px; height: 23px; display: block; color: var(--accent); }
.tool-card .tool-icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: square; stroke-linejoin: miter; }
.tool-card kbd { color: #6f7b79; font: 700 .64rem/1 monospace; }

.field-label { display: block; color: var(--muted); font-size: .75rem; margin: 10px 0 6px; }
.field-label-with-key { display: flex; align-items: center; justify-content: space-between; }
.field-label-with-key kbd {
  min-width: 21px;
  padding: 3px 5px;
  border: 1px solid #3a5260;
  border-bottom-color: #203640;
  border-radius: 4px;
  background: #071016;
  color: var(--accent-2);
  font: 800 .64rem/1 monospace;
  text-align: center;
}
.segmented { display: grid; grid-template-columns: repeat(3, 1fr); background: #090c0d; border: 1px solid var(--line); border-radius: 1px; padding: 3px; }
.segmented button { padding: 7px 4px; border-radius: 2px; background: transparent; color: var(--muted); font-size: .75rem; }
.segmented button small { display: block; margin-top: 2px; font-size: .6rem; }
.segmented button.active { color: #261608; background: var(--accent); font-weight: 800; }
.segmented.compact button { font-size: 1rem; }
.hint { color: var(--muted); font-size: .74rem; line-height: 1.45; margin: 8px 0 0; }

.machine-list { display: grid; gap: 16px; }
.machine-category { display: grid; gap: 8px; }
.machine-category h4 { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 0; color: #8ea6b0; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; }
.machine-category h4 small { min-width: 22px; padding: 2px 6px; border-left: 2px solid var(--line-strong); color: #6f7d7b; font-size: .62rem; letter-spacing: 0; text-align: center; }
.machine-category-list { display: grid; gap: 7px; }
.machine-button {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 9px;
  width: 100%;
  min-height: 48px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 1px;
  background: #0c1112;
  text-align: left;
  cursor: pointer;
}
.machine-button:hover, .machine-button.active { border-color: var(--cyan); background: #172021; }
.machine-glyph { width: 38px; height: 38px; display: grid; place-items: center; overflow: hidden; border: 1px solid #3c5556; border-radius: 0; color: var(--cyan); background: #090d0e; font-weight: 900; font-size: .7rem; box-shadow: none; }
.machine-glyph img { width: 100%; height: 100%; display: block; object-fit: contain; filter: saturate(.9) contrast(1.08); }
.machine-button strong { display: block; font-size: .8rem; }
.machine-button small { color: var(--muted); font-size: .66rem; }
.machine-button > small:last-child { color: #5e7884; }

.machine-recipe-tooltip {
  position: fixed;
  z-index: 80;
  width: min(440px, calc(100vw - 20px));
  max-height: calc(100vh - 20px);
  overflow: hidden;
  padding: 12px;
  border: 1px solid #667273;
  border-left: 3px solid var(--accent);
  background: #111718;
  box-shadow: 5px 6px 0 rgba(0, 0, 0, .42);
  color: var(--text);
  pointer-events: none;
}
.machine-recipe-tooltip[hidden] { display: none; }
.recipe-tooltip-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--line-strong); }
.recipe-tooltip-heading strong { font: 700 .8rem/1.2 Bahnschrift, "Arial Narrow", sans-serif; letter-spacing: .07em; text-transform: uppercase; }
.recipe-tooltip-heading small { color: var(--accent-2); font: 700 .66rem/1 ui-monospace, "Cascadia Mono", Consolas, monospace; text-transform: uppercase; }
.recipe-tooltip-list { display: grid; gap: 0; margin-top: 6px; }
.recipe-tooltip-list.many { grid-template-columns: 1fr 1fr; column-gap: 12px; }
.recipe-tooltip-row { min-width: 0; padding: 6px 2px; border-bottom: 1px solid #273031; }
.recipe-tooltip-row b, .recipe-tooltip-row small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.recipe-tooltip-row b { color: #e0e5e2; font-size: .74rem; font-weight: 650; }
.recipe-tooltip-row small { margin-top: 2px; color: #87928f; font-size: .65rem; }
.recipe-tooltip-empty { display: block; padding-top: 10px; color: var(--muted); font-size: .74rem; line-height: 1.45; }

.junction-list { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 9px; }
#junctionHeight { width: 100%; }
.junction-button {
  min-height: 70px;
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 1px;
  background: #0c1112;
  color: var(--muted);
  text-align: left;
}
.junction-button:hover, .junction-button.active { border-color: var(--accent); background: #201d16; color: var(--text); }
.junction-button svg { width: 34px; height: 34px; overflow: visible; color: var(--accent); filter: none; }
.junction-button strong { display: block; color: inherit; font-size: .72rem; line-height: 1.15; }
.junction-button small { display: block; margin-top: 3px; color: #607985; font-size: .61rem; line-height: 1.15; }
.key-pair { color: #66808c; font-size: .65rem; }
.key-pair kbd { padding: 2px 4px; border: 1px solid #3a5260; border-radius: 4px; background: #071016; color: var(--accent-2); font: 800 .62rem/1 monospace; }

.model-note { font-size: .74rem; color: var(--muted); line-height: 1.5; }
.model-note p { margin-bottom: 0; }
.status-line { gap: 7px; color: #b8d9c7; font-weight: 700; }
.status-dot { width: 8px; height: 8px; flex: 0 0 auto; display: inline-block; border-radius: 1px; background: var(--green); box-shadow: none; }

.canvas-shell { min-width: 0; display: grid; grid-template-rows: 46px minmax(0, 1fr) 28px; background: #090d0e; }
.canvas-toolbar, .canvas-status { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line-strong); padding: 0 10px; background: #101516; }
.sim-controls, .view-controls { gap: 6px; }
.transport-button { width: 34px; height: 30px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 1px; background: #151b1c; color: #c2cbc8; }
.transport-button svg { width: 16px; height: 16px; fill: currentColor; stroke: currentColor; stroke-width: 1.5; stroke-linecap: square; stroke-linejoin: miter; }
.transport-button:hover { background: var(--panel-3); }
.transport-button.run { color: var(--green); }
.transport-button.stop { color: var(--danger); }
.transport-button.running { color: #171006; background: var(--green); }
.speed-control { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: .75rem; margin-left: 7px; }
.speed-control select { min-height: 30px; height: 30px; padding: 3px 7px; }
.view-controls output { width: 44px; color: var(--muted); text-align: center; font-size: .72rem; }
.drone-legend, .drone-status-strip { display: flex; align-items: center; gap: 10px; }
.drone-legend { margin-right: 8px; color: #79929e; font-size: .67rem; }
.drone-legend span, .drone-status-strip span { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.drone-legend i, .drone-status-strip i { width: 7px; height: 7px; display: inline-block; border-radius: 1px; background: currentColor; box-shadow: none; }
.drone-legend .moving, .drone-status-strip .moving { color: var(--cyan); }
.drone-legend .stalled, .drone-status-strip .stalled { color: var(--accent); }
.drone-legend .lost, .drone-status-strip .lost { color: var(--danger); }
.drone-legend .lost i, .drone-status-strip .lost i { animation: lost-drone-blink .55s steps(1, end) infinite; }
@keyframes lost-drone-blink { 50% { opacity: .18; } }

.canvas-wrap { min-height: 0; position: relative; overflow: hidden; touch-action: none; }
#factoryCanvas { display: block; width: 100%; height: 100%; cursor: crosshair; }
.empty-canvas {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: min(360px, calc(100% - 40px));
  padding: 17px 20px;
  border: 1px solid #3b4849;
  border-left: 4px solid var(--accent);
  border-radius: 0;
  background: rgba(13, 18, 19, .94);
  text-align: left;
  pointer-events: none;
  box-shadow: none;
}
.empty-canvas strong { display: block; margin-bottom: 5px; color: var(--accent-2); }
.empty-canvas span { color: var(--muted); font-size: .8rem; line-height: 1.45; }
.canvas-toast {
  position: absolute;
  left: 50%; bottom: 18px;
  transform: translate(-50%, 12px);
  opacity: 0;
  background: #1a2021;
  border: 1px solid var(--line-strong);
  border-radius: 1px;
  padding: 8px 12px;
  font-size: .78rem;
  transition: .18s ease;
  pointer-events: none;
}
.canvas-toast.show { opacity: 1; transform: translate(-50%, 0); }
.canvas-status { border-top: 1px solid var(--line); border-bottom: 0; color: #7d8987; font: 600 .66rem/1 ui-monospace, "Cascadia Mono", Consolas, monospace; letter-spacing: .02em; }

.tabs { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line-strong); padding: 0; }
.tabs button { padding: 14px 10px 12px; background: #0b0f10; color: var(--muted); border-right: 1px solid var(--line); border-bottom: 3px solid transparent; font-size: .73rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.tabs button:last-child { border-right: 0; }
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); background: #171b1a; }
#inspectorPanel, #metricsPanel { padding: 15px; }
.panel-empty { min-height: 230px; display: grid; place-content: center; text-align: center; color: var(--muted); }
.panel-empty .large-icon { width: 42px; height: 42px; margin: 0 auto; color: #55717e; }
.panel-empty .large-icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: square; stroke-linejoin: miter; }
.panel-empty strong { margin-top: 10px; color: #c3d3da; font-size: .9rem; }
.panel-empty p { max-width: 190px; font-size: .76rem; line-height: 1.5; margin: 6px auto 0; }

.inspector-heading { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 17px; }
.inspector-heading .machine-glyph { flex: 0 0 auto; }
.inspector-heading h2 { font-size: .96rem; margin: 1px 0 3px; }
.inspector-heading p { color: var(--muted); font-size: .7rem; margin: 0; }
.inspector-section { border-top: 1px solid var(--line); padding-top: 13px; margin-top: 13px; }
.inspector-section label, .modal label, .admin-form label { display: grid; gap: 6px; color: var(--muted); font-size: .75rem; margin-bottom: 11px; }
.inspector-section input, .inspector-section select { width: 100%; }
.live-inventory { display: grid; gap: 6px; margin: 0; }
.inventory-row { display: grid; grid-template-columns: 10px 1fr auto; align-items: center; gap: 7px; color: var(--muted); font-size: .74rem; }
.item-swatch { width: 8px; height: 8px; border-radius: 2px; }
.inventory-row strong { color: var(--text); font-variant-numeric: tabular-nums; }
.requirement-list { display: grid; gap: 7px; }
.requirement-row { display: grid; grid-template-columns: 10px minmax(0, 1fr) auto; align-items: center; gap: 8px; padding: 8px; border: 1px solid var(--line); border-radius: 1px; background: #0c1112; }
.requirement-row span { min-width: 0; }
.requirement-row strong, .requirement-row small { display: block; }
.requirement-row strong { overflow: hidden; color: var(--text); font-size: .74rem; text-overflow: ellipsis; white-space: nowrap; }
.requirement-row small { margin-top: 2px; color: var(--muted); font-size: .65rem; }
.requirement-row b { color: var(--accent-2); font-size: .7rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.requirement-row .inline-number { grid-template-columns: minmax(0, 1fr) 54px; align-items: center; gap: 6px; margin: 6px 0 0; font-size: .64rem; }
.requirement-row .inline-number input { min-width: 0; padding: 5px 6px; }
.inspector-section select[multiple] { min-height: 150px; padding: 5px; }
.source-only-note { margin: 2px 0 0; padding: 8px 9px; border: 1px solid #35533d; border-left: 3px solid var(--green); border-radius: 0; background: #111a14; color: #9bc5a2; font-size: .72rem; }

.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line-strong); }
.metric-grid article { padding: 11px; background: #0b1011; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); border-radius: 0; }
.metric-grid article:nth-child(even) { border-right: 0; }
.metric-grid article:nth-last-child(-n + 2) { border-bottom: 0; }
.metric-grid span { display: block; color: var(--muted); font-size: .68rem; }
.metric-grid strong { display: block; margin-top: 4px; font-size: 1.2rem; font-variant-numeric: tabular-nums; }
.drone-status-strip { justify-content: space-between; margin: 9px 0 16px; padding: 9px 10px; border: 1px solid var(--line); border-radius: 0; background: #0b1011; font-size: .68rem; }
.drone-status-strip strong { color: var(--text); font-variant-numeric: tabular-nums; }
.health-row { justify-content: space-between; color: var(--muted); font-size: .74rem; margin: 12px 0 5px; }
.health-row strong { color: var(--text); }
.meter { height: 6px; overflow: hidden; border: 1px solid #343e3f; background: #090c0d; }
.meter i { display: block; width: 0; height: 100%; background: var(--cyan); transition: width .2s; }
.event-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.event-list li { padding: 8px 9px; border-left: 2px solid var(--cyan); background: #0b1011; color: var(--muted); font-size: .7rem; line-height: 1.4; }
.event-list strong { color: var(--text); }

.modal {
  width: min(520px, calc(100vw - 28px));
  color: var(--text);
  background: #111718;
  border: 1px solid var(--line-strong);
  border-radius: 1px;
  padding: 21px;
  box-shadow: var(--shadow);
}
.modal::backdrop { background: rgba(3, 5, 5, .86); }
.modal-heading { justify-content: space-between; gap: 20px; margin-bottom: 17px; }
.modal h2 { font-size: 1.14rem; margin-bottom: 0; }
.modal h3 { font-size: .86rem; }
.eyebrow { display: block; margin-bottom: 3px; color: var(--accent); font-size: .66rem; text-transform: uppercase; letter-spacing: .12em; }
.close-button { width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 1px; background: var(--panel-2); color: var(--muted); font-size: 1.35rem; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.small-modal { width: min(430px, calc(100vw - 28px)); }
.fan-modal { width: min(500px, calc(100vw - 28px)); border-top: 5px solid var(--accent); }
.fan-modal h2 { margin-bottom: 16px; }
.fan-modal p { color: #b6c8d0; font-size: .9rem; line-height: 1.6; }
.fan-modal p + p { margin-top: 12px; }
.fan-modal strong { color: var(--text); }
.fan-byline { margin: 20px 0 0; padding-top: 12px; border-top: 1px solid var(--line-strong); color: var(--accent-2) !important; font: 700 .78rem/1.3 ui-monospace, "Cascadia Mono", Consolas, monospace; letter-spacing: .04em; text-transform: uppercase; }
.form-error { min-height: 18px; margin: 4px 0 0; color: var(--danger); font-size: .75rem; }
.catalog-modal { width: min(760px, calc(100vw - 28px)); }
.admin-columns { display: grid; grid-template-columns: .8fr 1.2fr; gap: 18px; }
.admin-form { padding: 14px; border: 1px solid var(--line); background: #0b1011; border-radius: 1px; }
.form-row { align-items: flex-start; gap: 9px; }
.form-row label { flex: 1; }
.label-help { color: #637d88; font-size: .68rem; }
.catalog-list-wrap { border-top: 1px solid var(--line); margin-top: 18px; padding-top: 16px; }
.catalog-list { display: grid; gap: 6px; max-height: 180px; overflow-y: auto; }
.catalog-entry { display: grid; grid-template-columns: 10px 1fr auto; align-items: center; gap: 8px; padding: 8px 9px; background: #0b1011; border-radius: 0; font-size: .74rem; }
.catalog-entry button { border: 0; background: transparent; color: var(--danger); cursor: pointer; }

body.library-collapsed .workspace { grid-template-columns: 44px minmax(360px, 1fr) 286px; }
body.library-collapsed .left-panel { padding: 9px; overflow: hidden; }
body.library-collapsed .left-panel section:not(:first-child),
body.library-collapsed .left-panel .tool-grid,
body.library-collapsed .left-panel .section-heading h2 { display: none; }
body.library-collapsed .left-panel .section-heading { justify-content: center; }

@media (max-width: 1050px) {
  .drone-legend { display: none; }
  .workspace { grid-template-columns: 252px minmax(340px, 1fr); }
  .right-panel { position: absolute; top: 62px; right: 0; bottom: 0; width: 286px; transform: translateX(100%); }
  .brand-block p, .design-picker span { display: none; }
  .header-actions { flex-wrap: nowrap; }
}

@media (max-width: 760px) {
  body { overflow: auto; }
  .app-header { height: auto; min-height: 62px; align-items: flex-start; padding: 8px 12px; }
  .brand-block { min-width: auto; }
  .header-actions { overflow-x: auto; max-width: calc(100vw - 70px); padding-bottom: 3px; }
  .design-picker select { min-width: 130px; }
  .workspace { grid-template-columns: 1fr; height: calc(100vh - 62px); }
  .left-panel { position: absolute; left: 0; top: 62px; bottom: 0; z-index: 5; width: 272px; transform: translateX(-100%); }
  body.mobile-library-open .left-panel { transform: translateX(0); box-shadow: var(--shadow); }
  .mobile-only { display: inline-flex; }
  .canvas-toolbar { overflow-x: auto; }
  .view-controls { display: none; }
  .canvas-status span:nth-child(2) { display: none; }
  .admin-columns { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}