:root {
  --bg: #f5f6f8;
  --bg2: #ffffff;
  --bg3: #eef1f5;
  --border: #d7dbe3;
  --border2: #bcc4d1;
  --text: #1f2937;
  --text2: #5b6472;
  --text3: #8a94a6;
  --accent: #4f8df5;
  --accent2: #3b7ae6;
  --green: #4ade80;
  --amber: #fbbf24;
  --red: #f87171;
  --purple: #a78bfa;
  --teal: #2dd4bf;
  --node-bg: #ffffff;
  --node-border: #cfd6e2;
  --node-sel: #4f8df5;
  --conn: #7c8799;
  --conn-hover: #6366f1;
  --shadow: 0 2px 10px rgba(0,0,0,0.08);
  --r: 6px;
  --font: 'Geist', sans-serif;
  --mono: 'DM Mono', monospace;
  /* ノード型デフォルト（ライトモード） */
  --node-start-bg: #edfdf3;      --node-start-border: #73f299;      --node-start-type: #4a8a4a;
  --node-end-bg: #fff1f1;        --node-end-border: #ff8484;        --node-end-type: #8a4a4a;
  --node-process-bg: #dce8ff;    --node-process-border: #6590ec;    --node-process-type: #4a4a8a;
  --node-decision-bg: #fff1c7;   --node-decision-border: #da9f09;   --node-decision-type: #7a6030;
  --node-db-bg: #edfdfd;         --node-db-border: #8fd6de;         --node-db-type: #3a6a7a;
  --node-api-bg: #f6f0ff;        --node-api-border: #b68cff;        --node-api-type: #6a4a8a;
  --node-io-bg: #edfff7;         --node-io-border: #84f0cb;         --node-io-type: #3a7a5a;
  --node-loop-start-bg: #dff7ff; --node-loop-start-border: #3bc4ed; --node-loop-start-type: #3b82f6;
  --node-loop-end-bg: #fff3df;   --node-loop-end-border: #f0a040;   --node-loop-end-type: #c47a20;
  --safe-top: max(12px, env(safe-area-inset-top));
  --safe-bottom: max(16px, env(safe-area-inset-bottom));
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; height: 100%; overflow: hidden; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 13px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: 100%; }

/* ── LAYOUT ── */
#app { display: flex; flex-direction: column; height: 100dvh; }
#toolbar { position: relative; display: flex; align-items: center; gap: 8px; padding: 0 12px; height: 48px; background: var(--bg2); border-bottom: 1px solid var(--border); flex-shrink: 0; z-index: 100; }
#toolbar .logo { font-family: var(--mono); font-size: 13px; color: var(--text2); letter-spacing: 0.05em; margin-right: 4px; white-space: nowrap; }
#toolbar .logo span { color: var(--accent); }
.sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; }
.tb-btn { display: flex; align-items: center; gap: 5px; padding: 5px 9px; border-radius: var(--r); border: 1px solid transparent; background: transparent; color: var(--text2); font-family: var(--font); font-size: 12px; cursor: pointer; transition: all 0.12s; white-space: nowrap; }
.tb-btn:hover { background: var(--bg3); color: var(--text); border-color: var(--border); }
.tb-btn.active { background: var(--bg3); color: var(--accent); border-color: var(--border2); }
.tb-btn svg { width: 14px; height: 14px; flex-shrink: 0; }
.tb-title { flex: 1; }
#diagram-name-pc { position: absolute; left: 50%; transform: translateX(-50%); background: transparent; border: none; color: var(--text2); font-family: var(--mono); font-size: 12px; text-align: center; outline: none; width: 180px; cursor: pointer; }
#diagram-name-pc:hover, #diagram-name-pc:focus { color: var(--text); }
#main { display: flex; flex: 1; overflow: hidden; }

/* ── LEFT PANEL ── */
#left-panel { width: 200px; background: var(--bg2); border-right: 1px solid var(--border); display: flex; flex-direction: column; flex-shrink: 0; overflow: hidden; }
.panel-section { padding: 10px 10px 6px; border-bottom: 1px solid var(--border); }
.panel-label { font-size: 10px; font-family: var(--mono); color: var(--text3); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 8px; }
.node-palette { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }
.palette-item { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 7px 4px; border-radius: var(--r); border: 1px solid var(--border); background: var(--node-bg); cursor: grab; transition: all 0.12s; user-select: none; }
.palette-item:hover { border-color: var(--border2); background: var(--bg3); }
.palette-item:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.palette-item:active { cursor: grabbing; }
.palette-item .shape-preview { display: flex; align-items: center; justify-content: center; }
.palette-item .shape-label { font-size: 9px; color: var(--text3); font-family: var(--mono); text-align: center; }

/* ── CANVAS ── */
#canvas-wrap { flex: 1; position: relative; overflow: hidden; background: var(--bg); touch-action: none; }
#canvas-wrap::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle, var(--border) 1px, transparent 1px); background-size: 24px 24px; opacity: 0.4; pointer-events: none; }
#canvas { position: absolute; top: 0; left: 0; transform-origin: 0 0; }
#svg-layer { position: absolute; top: 0; left: 0; pointer-events: none; overflow: visible; }
#svg-layer.editing-conn { pointer-events: all; cursor: crosshair; }

/* キャンバス背景プリセット選択中ハイライト */
.canvas-bg-preset.active { border-color: var(--accent) !important; box-shadow: 0 0 0 2px var(--accent); }

/* ── NODES ── */
.flow-node { position: absolute; cursor: move; user-select: none; }
.flow-node .node-inner { position: relative; width: 100%; }
.flow-node .node-body { background: var(--node-bg); border: 1.5px solid var(--node-border); border-radius: var(--r); padding: 8px 12px; transition: border-color 0.12s, box-shadow 0.12s; min-width: 80px; }
.flow-node.selected .node-body { border-color: var(--node-sel); box-shadow: 0 0 0 2px rgba(91,156,246,0.2); }
.flow-node:hover .node-body { border-color: var(--border2); }
.flow-node .node-type { font-size: 9px; font-family: var(--mono); color: var(--text3); margin-bottom: 3px; text-align: left; }
.flow-node .node-label { font-size: 12px; color: var(--text); line-height: 1.4; word-break: break-all; text-align: center; }
.flow-node .node-label-input { background: transparent; border: none; color: var(--text); font-family: var(--font); font-size: 12px; line-height: 1.4; width: 100%; outline: none; resize: none; min-height: 18px; text-align: center; }
.flow-node .node-sublabel { font-size: 10px; color: var(--text2); margin-top: 2px; font-family: var(--mono); text-align: left; z-index: 15; }
.flow-node .node-sublabel-input { background: transparent; border: none; color: var(--text2); font-family: var(--mono); font-size: 10px; width: 100%; resize: none; text-align: center; }

/* ── Node type styles ── */
.node-start .node-body { border-color: var(--node-start-border); background: var(--node-start-bg); border-radius: 20px; }
.node-start.selected .node-body { border-color: var(--green); }
.node-start .node-type { color: var(--node-start-type); }
.node-end .node-body { border-color: var(--node-end-border); background: var(--node-end-bg); border-radius: 20px; }
.node-end.selected .node-body { border-color: var(--red); }
.node-end .node-type { color: var(--node-end-type); }

/* ── ひし形：縁取り付き固定サイズ ── */
.node-decision .node-inner { position: relative; padding: 0; width: 165px; height: 82.5px; margin: 0 auto; overflow: visible; transition: filter 0.12s; }
.node-decision .node-inner::before { content: ""; position: absolute; inset: 0; clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%); background: var(--node-decision-border); z-index: 1; }
.node-decision .node-body { position: absolute; top: 3px; left: 3px; right: 3px; bottom: 3px; clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%); background: var(--node-decision-bg) !important; border: none !important; border-radius: 0 !important; box-shadow: none !important; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 0 30px; text-align: center; z-index: 2; }
.node-decision.selected .node-inner { filter: drop-shadow(0 0 5px rgba(251,191,36,0.8)); }
.node-decision.selected .node-inner::before { background: var(--amber); }
.node-decision .node-type { color: var(--node-decision-type); position: absolute; top: 20px; left: 40px; transform: none; z-index: 20; pointer-events: none !important; white-space: nowrap; font-size: 9px; font-family: var(--mono); letter-spacing: 0.05em; }
.node-decision .node-label { color: var(--text); font-size: 11px; font-weight: 500; }
.node-decision .node-sublabel { font-size: 9px; color: var(--text2); margin-top: 1px; }
.node-decision .port.top    { top: 0;    left: 50%; }
.node-decision .port.bottom { top: 100%; left: 50%; }
.node-decision .port.left   { top: 50%;  left: 0;   }
.node-decision .port.right  { top: 50%;  left: 100%;}
.node-decision .resize-handle { display: none; }

/* ライトモード（デフォルト） */
:root, .theme-light { --node-decision-bg: #fff8e8; --node-decision-border: #e3c36a; --node-decision-type: #7a6030; }
/* ダークモード */
.theme-dark { --node-decision-bg: #0d0b07; --node-decision-border: #5c4308; --node-decision-type: #8e6a16; }

.node-process .node-body { border-color: var(--node-process-border); background: var(--node-process-bg); }
.node-process.selected .node-body { border-color: var(--accent); }
.node-process .node-type { color: var(--node-process-type); }
.node-db .node-body { border-radius: var(--r); border-color: var(--node-db-border); background: var(--node-db-bg); }
.node-db.selected .node-body { border-color: var(--teal); }
.node-db .node-type { color: var(--node-db-type); }
.node-api .node-body { border-color: var(--node-api-border); background: var(--node-api-bg); border-style: dashed; }
.node-api.selected .node-body { border-color: var(--purple); border-style: solid; }
.node-api .node-type { color: var(--node-api-type); }
.node-io .node-body { border-radius: 0; border-color: var(--node-io-border); background: var(--node-io-bg); clip-path: polygon(12px 0%, 100% 0%, calc(100% - 12px) 100%, 0% 100%); padding: 8px 24px; }
.node-io.selected .node-body { border-color: var(--teal); }
.node-io .node-type { color: var(--node-io-type); }
/* ループ開始：上2角を丸く */
.node-loop-start .node-body { background: var(--node-loop-start-bg); border: 1.5px solid var(--node-loop-start-border); border-radius: 16px 16px 0 0; padding: 8px 14px; position: relative; overflow: visible; }
.node-loop-start.selected .node-body { border-color: #60a5fa; box-shadow: 0 0 0 2px rgba(96,165,250,0.2); }
.node-loop-start .node-type { color: var(--node-loop-start-type); }
/* ループ終了：下2角を丸く */
.node-loop-end .node-body { background: var(--node-loop-end-bg); border: 1.5px solid var(--node-loop-end-border); border-radius: 0 0 16px 16px; padding: 8px 14px; position: relative; overflow: visible; }
.node-loop-end.selected .node-body { border-color: #fb923c; box-shadow: 0 0 0 2px rgba(251,146,60,0.2); }
.node-loop-end .node-type { color: var(--node-loop-end-type); }

/* ── Connect ports ── */
.port { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--bg3); border: 1.5px solid var(--border2); cursor: crosshair; opacity: 0; transition: opacity 0.12s, background 0.12s; z-index: 25; transform: translate(-50%, -50%); }
.flow-node:hover .port, .flow-node.selected .port { opacity: 1; }
.port:hover { background: var(--accent); border-color: var(--accent); }
.port.top    { top: 0;    left: 50%; }
.port.bottom { top: 100%; left: 50%; }
.port.left   { top: 50%;  left: 0;   }
.port.right  { top: 50%;  left: 100%;}

/* 接続モード：ポートのヒットエリア拡大 */
.mode-connect .port::before { content: ''; position: absolute; inset: -12px; border-radius: 50%; background: rgba(91,156,246,0.15); border: 1px dashed var(--accent); }
.mode-connect .port { transform: scale(0.8) translate(-62%, -62%); transition: transform 0.2s; }
.mode-connect .port:hover::before { background: rgba(91,156,246,0.4); }

/* Resize handle */
.resize-handle { position: absolute; bottom: -4px; right: -4px; width: 10px; height: 10px; background: var(--border2); border-radius: 2px; cursor: se-resize; opacity: 0; transition: opacity 0.12s; }
.flow-node.selected .resize-handle { opacity: 1; }

/* ── RIGHT PANEL ── */
#right-panel { width: 200px; background: var(--bg2); border-left: 1px solid var(--border); display: flex; flex-direction: column; flex-shrink: 0; overflow-y: auto; touch-action: manipulation; -webkit-user-select: none; user-select: none; }
#right-panel:empty { display: none; }
#right-panel input, #right-panel textarea, #right-panel select { -webkit-user-select: text; user-select: text; touch-action: manipulation; }
.prop-section { padding: 10px; border-bottom: 1px solid var(--border); }
.prop-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.prop-header .panel-label { margin-bottom: 0; }
.panel-close { display: none; width: 32px; height: 32px; border: 1px solid var(--border); border-radius: 8px; background: transparent; color: var(--text2); font-size: 18px; line-height: 1; cursor: pointer; }
.prop-row { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.prop-row:last-child { margin-bottom: 0; }
.prop-label { font-size: 10px; font-family: var(--mono); color: var(--text3); }
.prop-help { font-size: 10px; line-height: 1.5; color: var(--text3); }
.prop-input { background: var(--bg3); border: 1px solid var(--border); border-radius: 4px; color: var(--text); font-family: var(--font); font-size: 12px; padding: 5px 8px; width: 100%; outline: none; transition: border-color 0.12s; }
.prop-input:focus { border-color: var(--border2); }
.prop-select { background: var(--bg3); border: 1px solid var(--border); border-radius: 4px; color: var(--text); font-family: var(--font); font-size: 12px; padding: 5px 8px; width: 100%; outline: none; }
.color-row { display: flex; gap: 5px; flex-wrap: wrap; }
.color-dot { width: 18px; height: 18px; border-radius: 50%; cursor: pointer; border: 2px solid transparent; transition: border-color 0.12s, transform 0.12s, box-shadow 0.12s; }
.color-dot:hover { border-color: var(--text); }
.color-dot.active { border-color: var(--accent) !important; box-shadow: 0 0 0 2px var(--accent), 0 0 0 4px rgba(79,141,245,0.25); transform: scale(1.15); }
.del-btn { width: 100%; padding: 6px; border-radius: var(--r); border: 1px solid #5a2a2a; background: transparent; color: var(--red); font-family: var(--font); font-size: 11px; cursor: pointer; transition: all 0.12s; }
.del-btn:hover { background: #1f0d0d; }
.secondary-btn { width: 100%; padding: 6px; border-radius: var(--r); border: 1px solid var(--border2); background: transparent; color: var(--text2); font-family: var(--font); font-size: 11px; cursor: pointer; }
.secondary-btn:hover { background: var(--bg3); color: var(--text); }

/* ── CONN LABELS ── */
.conn-label { position: static; transform: none; background: var(--bg2); border: 1px solid var(--border); border-radius: 4px; padding: 3px 7px; font-size: 10px; color: var(--text2); font-family: var(--mono); cursor: grab; pointer-events: all; white-space: nowrap; user-select: none; touch-action: none; }
.conn-label:hover { border-color: var(--accent); color: var(--text); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 15%, transparent); }
.conn-label:active { cursor: grabbing; }

/* ── MINIMAP ── */
#minimap { position: absolute; bottom: 16px; right: 16px; width: 140px; height: 90px; background: var(--bg2); border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; cursor: pointer; z-index: 50; }
#minimap canvas { width: 100%; height: 100%; }
#minimap-viewport { position: absolute; border: 1px solid var(--accent); border-radius: 2px; background: rgba(91,156,246,0.08); pointer-events: none; }

/* ── STATUS BAR ── */
#statusbar { display: flex; align-items: center; gap: 12px; padding: 0 12px; height: 26px; background: var(--bg2); border-top: 1px solid var(--border); flex-shrink: 0; }
#statusbar span { font-size: 10px; font-family: var(--mono); color: var(--text3); }
#statusbar .status-val { color: var(--text2); }

/* ── MODAL ── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 1000; align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal { background: var(--bg2); border: 1px solid var(--border2); border-radius: 10px; padding: 20px; width: min(420px, 92vw); max-height: 80dvh; overflow-y: auto; }
.modal h3 { font-size: 14px; font-weight: 500; margin-bottom: 14px; color: var(--text); }
.modal-btn-row { display: flex; gap: 8px; margin-top: 16px; justify-content: flex-end; }
.modal-btn { padding: 6px 14px; border-radius: var(--r); border: 1px solid var(--border2); background: transparent; color: var(--text2); font-family: var(--font); font-size: 12px; cursor: pointer; }
.modal-btn.primary { background: var(--accent2); border-color: var(--accent); color: #fff; }
.modal-btn.danger { border-color: color-mix(in srgb, var(--red) 55%, var(--border)); color: var(--red); }
.modal-btn:hover { background: var(--bg3); }
.modal-btn.primary:hover { background: var(--accent); }
.share-url { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--r); padding: 8px 10px; font-family: var(--mono); font-size: 11px; color: var(--text2); width: 100%; min-height: 72px; max-height: 120px; overflow-y: auto; overflow-wrap: anywhere; word-break: break-word; margin-bottom: 8px; }

/* ── TEMPLATE GRID ── */
.tpl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tpl-item { border: 1px solid var(--border); border-radius: var(--r); padding: 10px 8px; cursor: pointer; background: var(--node-bg); transition: all 0.12s; }
.tpl-item:hover { border-color: var(--border2); background: var(--bg3); }
.tpl-item .tpl-name { font-size: 11px; color: var(--text); margin-bottom: 3px; }
.tpl-item .tpl-desc { font-size: 9px; color: var(--text3); font-family: var(--mono); }

/* ── ZOOM CONTROLS ── */
#zoom-controls { position: absolute; bottom: 16px; left: 16px; display: flex; gap: 4px; z-index: 50; }
.zoom-btn { width: 28px; height: 28px; border-radius: var(--r); border: 1px solid var(--border); background: var(--bg2); color: var(--text2); font-size: 16px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.12s; }
.zoom-btn:hover { background: var(--bg3); color: var(--text); }
#zoom-label { display: flex; align-items: center; padding: 0 8px; border-radius: var(--r); border: 1px solid var(--border); background: var(--bg2); font-size: 10px; font-family: var(--mono); color: var(--text3); }

/* ── CONTEXT MENU ── */
#ctx-menu { display: none; position: fixed; background: var(--bg2); border: 1px solid var(--border2); border-radius: var(--r); padding: 4px; z-index: 500; min-width: 150px; box-shadow: var(--shadow); }
#ctx-menu.open { display: block; }
.ctx-item { padding: 6px 10px; border-radius: 4px; cursor: pointer; font-size: 12px; color: var(--text2); display: flex; align-items: center; gap: 8px; }
.ctx-item:hover { background: var(--bg3); color: var(--text); }
.ctx-item.danger { color: var(--red); }
.ctx-item.danger:hover { background: #1f0d0d; }
.ctx-sep { height: 1px; background: var(--border); margin: 3px 0; }

/* ── TOOLTIP ── */
[data-tip] { position: relative; }
[data-tip]::after { content: attr(data-tip); position: fixed; margin-top: 32px; background: var(--bg3); border: 1px solid var(--border2); color: var(--text2); font-size: 10px; font-family: var(--mono); padding: 3px 7px; border-radius: 4px; white-space: nowrap; pointer-events: none; opacity: 0; transition: opacity 0.12s; z-index: 9999; transform: translateX(-25%); }
[data-tip]:hover::after { opacity: 1; }

/* ── SELECTION BOX ── */
#sel-box { display: none; position: absolute; border: 1px dashed var(--accent); background: rgba(91,156,246,0.05); pointer-events: none; }

/* ── SCROLLBARS ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* ── NOTIFICATION ── */
#notif { position: fixed; bottom: 40px; left: 50%; transform: translateX(-50%); background: var(--bg3); border: 1px solid var(--border2); border-radius: var(--r); padding: 7px 14px; font-size: 12px; color: var(--text); z-index: 2000; opacity: 0; transition: opacity 0.2s; pointer-events: none; white-space: nowrap; }
#notif.show { opacity: 1; }

/* ── MOBILE FAB ── */
#mobile-toolbar { display: none; }

.mobile-bottom-row {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: var(--safe-bottom);
  display: flex;
  gap: 8px;
  z-index: 300;
}

.mobile-fab {
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border2);
  background: color-mix(in srgb, var(--bg2) 95%, transparent);
  box-shadow: 0 2px 16px var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 14px;
  font-family: var(--font);
  font-size: 12px;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s;
}
.mobile-fab:active { opacity: 0.7; transform: scale(0.96); }
.mobile-fab svg { width: 16px; height: 16px; flex-shrink: 0; }
.mobile-fab.icon-only { width: 44px; padding: 0; }
.mobile-fab.primary { background: var(--accent2); border-color: var(--accent); color: #fff; }
.mobile-fab.connect-active { border-color: var(--accent); color: var(--accent); background: rgba(91,156,246,0.15); }

/* ── MOBILE BREAKPOINT ── */
@media (max-width: 900px) {
  #toolbar    { display: none; }
  #statusbar  { display: none; }
  #left-panel { display: none; }

  /* モバイルではデフォルトでポートを非表示 */
  .flow-node:hover .port,
  .flow-node.selected .port { opacity: 0; }
  /* 接続モード時のみ表示 */
  .mode-connect .flow-node:hover .port,
  .mode-connect .flow-node.selected .port,
  .mode-connect .port { opacity: 1; }

  /* PC用入力欄を非表示 */
  .pc-only-input { display: none !important; }

  #right-panel {
    position: fixed;
    left: 8px;
    right: 8px;
    top: auto;
    bottom: calc(var(--safe-bottom) + 60px);
    width: auto;
    max-height: min(52dvh, 420px);
    border-radius: 16px;
    z-index: 330;
    background: color-mix(in srgb, var(--bg2) 95%, transparent);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border2);
    touch-action: manipulation;
  }
  #right-panel * { touch-action: manipulation; }
  .panel-close { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
  #right-panel input, #right-panel textarea, #right-panel select {
    -webkit-user-select: text; user-select: text; touch-action: manipulation;
  }

  #zoom-controls { bottom: calc(var(--safe-bottom) + 50px); left: 12px; z-index: 290; }
  #minimap { width: 110px; height: 70px; bottom: calc(var(--safe-bottom) + 50px); }

  /* モバイル版ダイアグラム名入力 */
  #diagram-name-mobile {
    width: 100%;
    padding: 10px;
    font-size: 16px !important;
    border: 1px solid var(--border2);
    border-radius: 6px;
    background: var(--bg2);
    color: var(--text);
    box-sizing: border-box;
    display: block;
    margin: 10px 0;
    touch-action: manipulation;
    -webkit-user-select: text;
    user-select: text;
    outline: none;
  }

  .prop-input,
  .prop-select,
  .node-label-input,
  .node-sublabel-input {
    font-size: 16px !important;
    transform: scale(0.875);
    transform-origin: left top;
    width: 122%;
  }

  #mobile-toolbar { display: block; }
  #mobile-toolbar button { pointer-events: auto; }
}

/* ── MOBILE NODE MENU（左スライドイン） ── */
#mobile-node-menu {
  display: block;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 500;
}
#mobile-node-menu.open { opacity: 1; pointer-events: auto; }
#mobile-node-menu .modal {
  position: absolute;
  top: 0; bottom: 0; left: 0;
  margin: 0;
  width: min(180px, 78vw);
  padding: 14px;
  padding-bottom: 40px;
  overflow-y: auto;
  border-radius: 0 16px 16px 0;
  transform: translateX(-100%);
  transition: transform 0.25s;
}
#mobile-node-menu.open .modal { transform: translateX(0); }
#mobile-node-grid { gap: 2px; }
#mobile-node-grid .palette-item { padding: 6px 4px; }