/* VTplot Web */

/* 配色: 紙と墨の 2 色に、固定カーソルと ON 表示だけ朱を使う */
:root {
  --desk: #e2e0da;
  --sheet: #ffffff;
  --panel: #f3f2ee;
  --panel-2: #e8e6e0;
  --rule: #bdb9af;
  --rule-2: #dcd9d1;
  --ink: #1c1b18;
  --ink-2: #4a4842;
  --ink-3: #7c7970;
  --signal: #c54a1c;
  --ok: #2d6a2f;
  --ng: #b3261e;
  --ng-weak: #fbeceb;
  --font: "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", Meiryo, system-ui, sans-serif;
  --mono: Consolas, "SFMono-Regular", Menlo, monospace;
  --sidebar-w: 304px;
  --topbar-h: 40px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  font-size: 13px;
  color: var(--ink);
  background: var(--desk);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
button:focus-visible { outline: 2px solid var(--signal); outline-offset: 1px; }
[hidden] { display: none !important; }
.ic { display: block; flex: none; }

/* ── 上部バー ─────────────────────────────────────────────────────────────── */
#topbar {
  height: var(--topbar-h);
  flex: none;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 8px 0 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--rule);
  position: relative;
  z-index: 50;
}
.brand { display: flex; align-items: baseline; gap: 6px; margin-right: 14px; white-space: nowrap; user-select: none; }
.brand-name { font: 700 15px var(--mono); }
.brand-sub { font: 400 11px var(--mono); color: var(--ink-3); letter-spacing: .08em; }
.tb-sep { width: 1px; height: 20px; background: var(--rule); margin: 0 8px; }
.tb-btn, .tb-icon {
  display: inline-flex; align-items: center; gap: 6px;
  height: 28px; padding: 0 9px;
  border: 1px solid transparent; border-radius: 2px;
  background: transparent; color: var(--ink);
  white-space: nowrap;
}
.tb-btn:hover, .tb-icon:hover { background: var(--panel-2); }
.tb-btn.open { background: var(--sheet); border-color: var(--rule); }
.tb-btn .ic, .tb-icon .ic { color: var(--ink-2); }
.tb-btn .chev { color: var(--ink-3); margin-left: -3px; }
.tb-icon { padding: 0 6px; }
.tb-link { display: flex; align-items: center; }
.tb-label { color: var(--ink-3); font-size: 12px; margin-right: 6px; }
/* 連動の ON / OFF は四角いランプで示す */
.tb-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  height: 24px; padding: 0 9px 0 7px;
  border: 1px solid var(--rule); border-radius: 0;
  background: var(--sheet); color: var(--ink-3); font-size: 12px; white-space: nowrap;
}
.tb-toggle + .tb-toggle { margin-left: -1px; }
.tb-toggle::before { content: ""; width: 7px; height: 7px; border: 1px solid var(--ink-3); }
.tb-toggle:hover { background: var(--panel); }
.tb-toggle[aria-pressed="true"] { color: var(--ink); }
.tb-toggle[aria-pressed="true"]::before { background: var(--signal); border-color: var(--signal); }
.tb-spacer { flex: 1; }
.tb-status { color: var(--ink-3); font-size: 12px; white-space: nowrap; margin-right: 8px; }

/* ── 本体 ─────────────────────────────────────────────────────────────────── */
#main { flex: 1; display: flex; min-height: 0; }
#workspace { flex: 1; position: relative; min-width: 0; overflow: hidden; isolation: isolate; background: var(--desk); }

/* ── 初期画面（左上から読む書類の体裁） ────────────────────────────────────────── */
#welcome { position: absolute; inset: 0; overflow: auto; padding: 36px 44px; }
.start { max-width: 660px; }
.start h1 { margin: 0 0 6px; font-size: 20px; font-weight: 700; }
.start-lead { margin: 0 0 16px; color: var(--ink-2); line-height: 1.7; }
.start-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 30px; }
.start-spec { display: grid; grid-template-columns: 7.5em 1fr; margin: 0; border-top: 1px solid var(--ink); }
.start-spec dt, .start-spec dd { margin: 0; padding: 9px 0; border-bottom: 1px solid var(--rule); line-height: 1.7; }
.start-spec dt { color: var(--ink-2); font-size: 12px; font-weight: 700; padding-right: 12px; }
.start-spec code { font: 12px var(--mono); }
.start-spec pre { margin: 0; font: 11.5px/1.65 var(--mono); color: var(--ink-2); overflow-x: auto; }
#welcome .when-data { display: none; }
#welcome.has-data .when-data { display: block; }
#welcome.has-data .when-empty { display: none; }

/* ── ボタン・入力 ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 30px; padding: 0 12px;
  border: 1px solid var(--rule); border-radius: 2px;
  background: var(--sheet); color: var(--ink);
  white-space: nowrap;
}
.btn:hover { border-color: var(--ink-3); background: var(--panel); }
.btn:active { background: var(--panel-2); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.primary:hover { background: #3a3833; border-color: #3a3833; }
.btn.danger { color: var(--ng); }
.btn.danger:hover { border-color: var(--ng); background: var(--ng-weak); }
.btn .n { font: 11px var(--mono); color: var(--ink-3); }
.btn-sm { height: 26px; padding: 0 9px; font-size: 12px; }
.icon-btn {
  display: inline-grid; place-items: center; width: 28px; height: 28px; flex: none;
  border: 1px solid transparent; border-radius: 2px; background: transparent; color: var(--ink-2);
}
.icon-btn:hover { background: var(--panel-2); color: var(--ink); }
.icon-btn.danger:hover { color: var(--ng); background: var(--ng-weak); }
.inp {
  width: 100%; min-width: 0; height: 28px; padding: 0 7px;
  border: 1px solid var(--rule); border-radius: 2px; background: var(--sheet);
  outline: none;
}
.inp:hover { border-color: var(--ink-3); }
.inp:focus { border-color: var(--ink); outline: 1px solid var(--ink); outline-offset: -2px; }
textarea.inp { height: auto; padding: 8px; resize: vertical; line-height: 1.55; }
.inp::placeholder { color: #a29e94; }
.inp.bad { border-color: var(--ng); background: var(--ng-weak); outline-color: var(--ng); }
.inp-num { text-align: right; font-family: var(--mono); font-size: 12px; padding: 0 6px; }
.inp-sm { width: 70px; }
.mono { font-family: var(--mono); font-size: 12px; }
select.inp { padding-right: 4px; }
.chk { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; white-space: nowrap; }
.chk input { margin: 0; accent-color: var(--ink); }
.seg { display: inline-flex; border: 1px solid var(--rule); border-radius: 2px; overflow: hidden; flex: none; }
.seg button { border: 0; background: var(--sheet); height: 26px; padding: 0 8px; font: 11.5px var(--mono); color: var(--ink-2); }
.seg button + button { border-left: 1px solid var(--rule); }
.seg button:hover { background: var(--panel); }
.seg button.on { background: var(--ink); color: #fff; }
.row { display: flex; align-items: center; gap: 8px; }
.row.gap { flex-wrap: wrap; gap: 6px; }
.row.between { justify-content: space-between; }
.row.pad { padding: 0 16px; }
.muted { color: var(--ink-3); }
.err { color: var(--ng); }
.hint { margin: 2px 0 0; color: var(--ink-3); font-size: 11px; line-height: 1.6; }
input[type="range"] { flex: 1; accent-color: var(--ink); }
.num { font-family: var(--mono); font-size: 12px; color: var(--ink-2); min-width: 34px; text-align: right; }
input[type="color"].clr { width: 26px; height: 22px; padding: 0; border: 1px solid var(--rule); border-radius: 0; background: none; flex: none; cursor: pointer; }
input[type="color"].clr::-webkit-color-swatch-wrapper { padding: 2px; }
input[type="color"].clr::-webkit-color-swatch { border: none; border-radius: 0; }

/* ── グラフウィンドウ ────────────────────────────────────────────────────────── */
.win {
  position: absolute;
  min-width: 280px; min-height: 180px;
  display: flex; flex-direction: column;
  background: var(--sheet);
  border: 1px solid var(--rule);
}
.win.active { border-color: var(--ink); }
.win.moving, .win.resizing { outline: 1px dashed var(--ink); outline-offset: 3px; }
.win.maximized { left: 0 !important; top: 0 !important; width: 100% !important; height: 100% !important; }
.win.maximized .rz { display: none; }
/* 選択中のウィンドウはタイトルバーを墨にする（右のパネルが編集する対象） */
.win-head {
  height: 28px; flex: none;
  display: flex; align-items: center; gap: 8px;
  padding: 0 3px 0 10px;
  background: var(--panel);
  border-bottom: 1px solid var(--rule-2);
  cursor: grab; user-select: none; touch-action: none;
}
.win.active .win-head { background: var(--ink); border-bottom-color: var(--ink); color: #fff; }
.win.moving .win-head { cursor: grabbing; }
.win-title { font-weight: 700; font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; cursor: text; }
.win-title.auto { color: var(--ink-2); }
.win.active .win-title.auto { color: #fff; }
.win-badge { font: 11px var(--mono); color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.win.active .win-badge { color: #aaa69c; }
.win-badge:empty { display: none; }
.win-title-input { flex: 1; min-width: 60px; height: 22px; padding: 0 6px; border: 1px solid var(--ink); border-radius: 0; background: var(--sheet); color: var(--ink); font-weight: 700; font-size: 12.5px; outline: none; }
.win-tools { margin-left: auto; display: flex; align-items: center; flex: none; opacity: .7; transition: opacity .12s; }
.win:hover .win-tools, .win.active .win-tools { opacity: 1; }
.wbtn { display: grid; place-items: center; width: 26px; height: 22px; border: 0; border-radius: 2px; background: transparent; color: var(--ink-2); }
.wbtn:hover { background: var(--panel-2); color: var(--ink); }
.win.active .wbtn { color: #c9c5bb; }
.win.active .wbtn:hover { background: #3a3833; color: #fff; }
.win .wbtn-close:hover { background: var(--ng); color: #fff; }
.win.nopanel [data-act="panel"] { opacity: .45; }
.win-body { flex: 1; display: flex; min-height: 0; overflow: hidden; container-type: inline-size; }
.plot-host { flex: 1; position: relative; min-width: 0; overflow: hidden; }
.plot { position: absolute; inset: 0; }
.plot-empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--ink-3); pointer-events: none; font-size: 12px; }
.cur-line { position: absolute; left: 0; top: 0; width: 0; border-left: 1px solid rgba(28, 27, 24, .55); pointer-events: none; display: none; z-index: 2; }
.cur-tag {
  position: absolute; left: 0; top: 0; display: none; pointer-events: none; z-index: 3;
  padding: 1px 4px; font: 11px/1.45 var(--mono);
  background: var(--ink); color: #fff; white-space: nowrap;
}

/* 系列パネル */
.spanel { width: 206px; flex: none; display: flex; flex-direction: column; border-left: 1px solid var(--rule-2); background: #fbfaf8; min-height: 0; }
.win.nopanel .spanel { display: none; }
.sp-head { display: flex; align-items: center; justify-content: space-between; gap: 6px; padding: 5px 8px; border-bottom: 1px solid var(--rule-2); flex: none; }
.sp-x { font: 700 11.5px var(--mono); color: var(--ink-3); white-space: nowrap; }
.sp-x.locked { color: var(--signal); }
.sp-x.locked::before { content: "固定 "; font-family: var(--font); font-size: 10.5px; }
.sp-tools { display: flex; gap: 2px; }
.sp-btn { border: 1px solid var(--rule); background: var(--sheet); border-radius: 0; font-size: 10.5px; padding: 1px 5px; color: var(--ink-2); }
.sp-btn:hover { border-color: var(--ink-3); color: var(--ink); }
.sp-list { flex: 1; overflow-y: auto; padding: 2px 0 4px; }
.sp-group { display: flex; justify-content: space-between; align-items: center; gap: 6px; padding: 6px 8px 3px; font-size: 10.5px; font-weight: 700; color: var(--ink-2); cursor: pointer; user-select: none; }
.sp-row + .sp-group { border-top: 1px solid var(--rule-2); margin-top: 4px; }
.sp-group:hover { color: var(--ink); }
.sp-group.off { opacity: .5; }
.sp-gname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sp-gcount { font: 400 11px var(--mono); color: var(--ink-3); }
.sp-row { display: flex; align-items: center; gap: 6px; padding: 3px 8px; cursor: pointer; user-select: none; }
.sp-row:hover { background: var(--panel); }
.sp-row.off .sp-sw, .sp-row.off .sp-name, .sp-row.off .sp-val { opacity: .32; }
.sp-row.off .sp-name { text-decoration: line-through; }
.sp-sw { flex: none; display: grid; place-items: center; }
.sp-name { flex: 1; min-width: 0; font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sp-ax { flex: none; font: 700 9.5px/13px var(--mono); color: var(--ink-2); border: 1px solid var(--rule); padding: 0 2px; }
.sp-val { flex: none; font: 10.5px var(--mono); color: var(--ink); text-align: right; min-width: 56px; }
.sp-input { flex: 1; min-width: 0; height: 20px; font-size: 11.5px; padding: 0 4px; border: 1px solid var(--ink); border-radius: 0; outline: none; }
.sp-empty { padding: 10px; color: var(--ink-3); font-size: 11.5px; }
.sp-profile .sp-name { font-weight: 700; }
/* 小さいウィンドウでは系列パネルを細く、さらに小さければ隠してグラフを優先 */
@container (max-width: 640px) {
  .spanel { width: 162px; }
  .sp-tools { display: none; }
  .sp-name { font-size: 11px; }
  .sp-val { min-width: 50px; font-size: 10.5px; }
}
@container (max-width: 440px) {
  .spanel { display: none; }
}

/* リサイズ用の辺・角 */
.rz { position: absolute; z-index: 5; touch-action: none; }
.rz-n, .rz-s { left: 8px; right: 8px; height: 7px; cursor: ns-resize; }
.rz-n { top: -4px; }
.rz-s { bottom: -4px; }
.rz-e, .rz-w { top: 8px; bottom: 8px; width: 7px; cursor: ew-resize; }
.rz-e { right: -4px; }
.rz-w { left: -4px; }
.rz-ne, .rz-nw, .rz-se, .rz-sw { width: 14px; height: 14px; }
.rz-ne { top: -5px; right: -5px; cursor: nesw-resize; }
.rz-sw { bottom: -5px; left: -5px; cursor: nesw-resize; }
.rz-nw { top: -5px; left: -5px; cursor: nwse-resize; }
.rz-se { bottom: -5px; right: -5px; cursor: nwse-resize; }

/* Plotly の微調整 */
.plot .modebar { top: 2px !important; }
.plot .modebar-btn { padding: 3px 4px !important; }

/* ── サイドパネル ──────────────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w); flex: none;
  display: flex; flex-direction: column;
  background: var(--panel);
  border-left: 1px solid var(--rule);
  min-height: 0;
  font-size: 12px;
}
#sidebar .inp { height: 26px; }
body.no-sidebar #sidebar { display: none; }
.sb-tabs { display: flex; padding: 0 8px; border-bottom: 1px solid var(--rule); flex: none; }
.sb-tab { height: 34px; padding: 0 10px; font-size: 12.5px; margin-bottom: -1px; border: 0; border-bottom: 2px solid transparent; background: none; color: var(--ink-3); font-weight: 700; }
.sb-tab:hover { color: var(--ink); }
.sb-tab.on { color: var(--ink); border-bottom-color: var(--ink); }
#sb-body { flex: 1; overflow-y: auto; padding-bottom: 24px; }
/* 編集中のグラフ（選択中ウィンドウのタイトルバーと同じ墨） */
.sb-target { display: flex; align-items: baseline; gap: 8px; padding: 7px 14px; background: var(--ink); color: #fff; min-width: 0; }
.sb-target-l { flex: none; font-size: 10.5px; color: #aaa69c; }
.sb-target-t { font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sb-empty { margin: 16px; color: var(--ink-2); line-height: 1.75; }
.sb-sec { padding: 10px 14px 12px; border-bottom: 1px solid var(--rule-2); display: flex; flex-direction: column; gap: 7px; }
.sb-sec h3 { margin: 0 0 2px; font-size: 11px; font-weight: 700; color: var(--ink-2); letter-spacing: .04em; }
.fld { display: grid; grid-template-columns: 68px 1fr; align-items: center; gap: 8px; }
.fld-l { color: var(--ink-2); font-size: 11.5px; }
.checks { display: flex; flex-direction: column; gap: 5px; padding: 3px 0; }
.checks .chk span { overflow: hidden; text-overflow: ellipsis; }
.axis-row { display: grid; grid-template-columns: 30px 1fr 10px 1fr auto; align-items: center; gap: 5px; }
.axis-name { font: 700 11.5px var(--mono); color: var(--ink-2); }
.dash { color: var(--ink-3); text-align: center; }
.ds-card { display: flex; flex-direction: column; gap: 6px; padding: 10px 0; border-top: 1px solid var(--rule-2); }
.ds-card:first-of-type { border-top: 0; padding-top: 2px; }
.ds-name { font-weight: 700; }
.ds-info { font-size: 11px; color: var(--ink-2); display: flex; flex-direction: column; gap: 4px; }
.ds-kinds { display: flex; flex-wrap: wrap; gap: 4px; }
.tag { font: 10.5px/16px var(--mono); background: var(--sheet); border: 1px solid var(--rule); padding: 0 5px; color: var(--ink-2); }
.ds-series summary { cursor: pointer; font-size: 11px; color: var(--ink-2); user-select: none; }
.ds-series summary:hover { color: var(--ink); }
.ser-list { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; max-height: 300px; overflow-y: auto; }
.ser-row, .ch-row { display: flex; align-items: center; gap: 6px; }
.ser-row .inp, .ch-row .inp { height: 24px; font-size: 11.5px; }
.ser-kind { width: 64px; flex: none; font-size: 11px; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ch-id { width: 58px; flex: none; font: 11.5px var(--mono); color: var(--ink-2); }

/* ── メニュー ─────────────────────────────────────────────────────────────── */
.menu {
  position: fixed; z-index: 1000; min-width: 230px; padding: 4px 0;
  background: var(--sheet); border: 1px solid var(--ink); border-radius: 2px;
}
.menu-item {
  width: 100%; display: flex; align-items: center; gap: 9px;
  height: 28px; padding: 0 12px; border: 0; border-radius: 0; background: none; text-align: left; font-size: 12.5px;
}
.menu-item:hover:not(:disabled) { background: var(--ink); color: #fff; }
.menu-item:disabled { color: var(--ink-3); cursor: default; }
.mi-ic { width: 15px; flex: none; color: var(--ink-2); }
.menu-item:hover:not(:disabled) .mi-ic { color: inherit; }
.mi-l { flex: 1; white-space: nowrap; }
.mi-hint { font: 11px var(--mono); color: var(--ink-3); white-space: nowrap; }
.menu-item:hover:not(:disabled) .mi-hint { color: #c9c5bb; }
.menu-sep { height: 1px; background: var(--rule-2); margin: 4px 0; }
.menu-h { padding: 6px 12px 4px; font-size: 11px; color: var(--ink-3); font-weight: 700; }

/* ── モーダル ─────────────────────────────────────────────────────────────── */
.modal-back {
  position: fixed; inset: 0; z-index: 900; display: grid; place-items: center; padding: 16px;
  background: rgba(28, 27, 24, .34); opacity: 0; transition: opacity .12s;
}
.modal-back.show { opacity: 1; }
.modal {
  max-width: calc(100vw - 32px); max-height: calc(100vh - 32px);
  display: flex; flex-direction: column;
  background: var(--sheet); border: 1px solid var(--ink); border-radius: 2px;
}
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 8px 8px 8px 18px; border-bottom: 1px solid var(--rule-2); }
.modal-head h2 { margin: 0; font-size: 14px; font-weight: 700; }
.modal-body { padding: 14px 18px; overflow: auto; min-height: 0; }
.modal-foot { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-top: 1px solid var(--rule-2); background: var(--panel); }
.modal-foot .spacer { flex: 1; }

.tbl { width: 100%; border-collapse: collapse; font-size: 12px; }
.tbl th { text-align: left; font-weight: 700; color: var(--ink); background: var(--panel); padding: 6px 8px; border-bottom: 1px solid var(--ink); white-space: nowrap; position: sticky; top: 0; }
.tbl td { padding: 6px 8px; border-bottom: 1px solid var(--rule-2); font-variant-numeric: tabular-nums; }
.tbl td.ok { color: var(--ok); font-weight: 700; }
.tbl td.ng { color: var(--ng); font-weight: 700; }
.tbl-compact td, .tbl-compact th { padding: 3px 6px; }
.tbl-wrap { max-height: 56vh; overflow: auto; border: 1px solid var(--rule); }
.res-note { margin: 0 0 10px; color: var(--ink-2); line-height: 1.65; white-space: pre-line; }

.pf { display: flex; flex-direction: column; gap: 12px; }
.pf-tabs { align-self: flex-start; }
.pf-tabs button { height: 28px; padding: 0 14px; font: 12px var(--font); }
.pf p { margin: 0; line-height: 1.6; }
.pf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pf-left { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.pf-left textarea { width: 100%; }
.pf-preview { min-height: 120px; font-size: 12px; }
.pf-sum { margin-top: 8px !important; font-weight: 700; }
.tol { color: var(--ink-2); }
.tol .sep { color: var(--ink-3); margin: 0 4px; }

.pk-list { display: flex; flex-direction: column; border-top: 1px solid var(--ink); }
.pk { padding: 9px 0 10px; border-bottom: 1px solid var(--rule-2); }
.pk-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pk-no { color: #fff; font: 700 11px/17px var(--mono); padding: 0 6px; }
.pk-score { margin-left: auto; font: 11.5px var(--mono); color: var(--ink-2); }
.pk ul { margin: 6px 0 0; padding-left: 18px; color: var(--ink-2); font-size: 12px; line-height: 1.7; }
.pk li.ok { color: var(--ok); }
.pk li.ok::marker { content: "✓ "; }
.pk li.ng { color: var(--ink-3); }
.pk li.ng::marker { content: "× "; }

.help h4 { margin: 16px 0 6px; padding-bottom: 4px; font-size: 13px; border-bottom: 1px solid var(--rule-2); }
.help h4:first-child { margin-top: 0; }
.kv { width: 100%; border-collapse: collapse; font-size: 12px; }
.kv th { text-align: left; vertical-align: top; width: 120px; padding: 4px 10px 4px 0; color: var(--ink-2); font-weight: 700; white-space: nowrap; }
.kv td { padding: 4px 0; line-height: 1.6; }

/* ── ドロップ・通知 ────────────────────────────────────────────────────────── */
#drop-overlay {
  position: fixed; inset: 0; z-index: 2000; display: none; place-items: center; pointer-events: none;
  background: rgba(243, 242, 238, .9); outline: 2px dashed var(--ink); outline-offset: -12px;
}
#drop-overlay.show { display: grid; }
#drop-overlay div { font-size: 16px; font-weight: 700; text-align: center; line-height: 1.8; }
#drop-overlay small { font-weight: 400; color: var(--ink-2); font-size: 12px; }
#toasts { position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%); z-index: 3000; display: flex; flex-direction: column; align-items: center; gap: 6px; pointer-events: none; }
.toast {
  max-width: min(640px, calc(100vw - 32px)); padding: 8px 14px 8px 10px;
  border-left: 4px solid var(--ink-3); background: var(--ink); color: #fff; font-size: 12.5px; line-height: 1.5;
  opacity: 0; transform: translateY(4px); transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: none; }
.toast.ok { border-left-color: #74b377; }
.toast.warn { border-left-color: #d9a12b; }
.toast.err { border-left-color: #e5685c; }

/* ── 狭い画面 ─────────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .tb-btn .tb-text, .tb-label { display: none; }
  .tb-status { display: none; }
}
@media (max-width: 860px) {
  #sidebar { position: absolute; right: 0; top: var(--topbar-h); bottom: 0; z-index: 40; border-left-color: var(--ink); }
  .pf-grid { grid-template-columns: 1fr; }
}