:root {
  --bg: #f4f0e8;
  --panel: #fffdf9;
  --panel-2: #f9f5ee;
  --line: #e2dacb;
  --line-strong: #cfc4b0;
  --ink: #2b2620;
  --muted: #7a6f60;
  --accent: #b5472f;
  --accent-ink: #fff;
  --accent-soft: #f6e3dc;
  --ok: #3f7d4e;
  --ok-soft: #e1efe3;
  --warn: #9a6a12;
  --warn-soft: #f7ecd3;
  --danger: #b3261e;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(60, 40, 20, .06), 0 2px 8px rgba(60, 40, 20, .06);
  font-family: system-ui, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.4;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); min-height: 100vh; }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 18px; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
h3 { font-size: 12px; color: var(--muted); margin: 12px 0 6px; }
a { color: inherit; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.spacer { flex: 1; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

button, .button, select, input, textarea {
  font: inherit;
  color: inherit;
}
button, .button {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--panel);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background .12s, border-color .12s;
}
button:hover:not(:disabled), .button:hover { background: var(--panel-2); border-color: var(--muted); }
button:disabled { opacity: .45; cursor: default; }
button:focus-visible, .button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.primary:hover:not(:disabled) { background: #9c3b26; border-color: #9c3b26; }
button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.ghost, .button.ghost { background: transparent; border-color: transparent; }
button.ghost:hover, .button.ghost:hover { background: rgba(0, 0, 0, .05); border-color: transparent; }
.danger-text { color: var(--danger); }
button.small { padding: 3px 8px; font-size: 12px; }
button.icon { padding: 3px 7px; border-color: transparent; background: transparent; color: var(--muted); }
button.icon:hover { color: var(--ink); background: rgba(0, 0, 0, .06); }
button.icon[aria-pressed="true"] { color: var(--accent); background: var(--accent-soft); }

input[type="text"], input[type="search"], input[type="password"], input:not([type]), input[type="number"], select, textarea {
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: #fff; padding: 6px 8px;
}
textarea { width: 100%; resize: vertical; }
input.num { width: 64px; }
input[type="color"] { width: 44px; height: 32px; padding: 2px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: #fff; }
label.check { display: flex; gap: 6px; align-items: center; cursor: pointer; }

/* ---------------------------------------------------------------- top bar */

.topbar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; }
.brand img, .brand-back img { display: block; }
.brand-back { padding-left: 6px; }
.badge {
  font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 999px;
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--line);
}
.badge[data-status="new"] { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.badge[data-status="draft"] { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.badge[data-status="complete"] { background: var(--ok-soft); color: var(--ok); border-color: transparent; }

/* ---------------------------------------------------------------- menus */

details.menu { position: relative; }
details.menu > summary { list-style: none; cursor: pointer; }
details.menu > summary::-webkit-details-marker { display: none; }
.menu-items {
  position: absolute; right: 0; top: calc(100% + 4px); z-index: 20;
  min-width: 200px; padding: 4px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(40, 30, 20, .16);
  display: flex; flex-direction: column;
}
.menu-items button { border: 0; background: transparent; justify-content: flex-start; border-radius: 6px; }
.menu-items button:hover { background: var(--panel-2); }
.menu-items button.danger { background: transparent; color: var(--danger); }
.menu-items button.danger:hover { background: #fbe9e7; }

/* ---------------------------------------------------------------- login */

body.login { display: grid; place-items: center; }
.login-card {
  width: min(360px, calc(100vw - 32px));
  display: flex; flex-direction: column; gap: 10px;
  padding: 28px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; box-shadow: var(--shadow);
}
.login-card h1 { margin-bottom: 8px; text-align: center; }
.login-logo { display: block; margin: 0 auto 4px; }
.login-card button { justify-content: center; padding: 8px; margin-top: 6px; }
.error { color: var(--danger); margin: 0; }

/* ---------------------------------------------------------------- board */

.board {
  display: grid; grid-template-columns: repeat(3, minmax(260px, 1fr));
  gap: 16px; padding: 16px; align-items: start;
}
.column {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px; min-height: 240px;
  transition: border-color .12s, background .12s;
}
.column.drop { border-color: var(--accent); background: var(--accent-soft); }
.column h2 { display: flex; gap: 8px; align-items: baseline; }
.column .count { color: var(--ink); font-weight: 700; }
.column .hint { margin: 4px 0 12px; color: var(--muted); font-size: 12px; }
.cards { display: flex; flex-direction: column; gap: 10px; }
.empty { color: var(--muted); font-size: 13px; margin: 8px 0; }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow); cursor: grab;
  display: grid; grid-template-columns: 112px 1fr;
}
.card.dragging { opacity: .4; }
.card .thumb {
  display: grid; place-items: center; min-height: 112px; padding: 6px; border-radius: 9px 0 0 9px;
  background: repeating-conic-gradient(#efe9df 0 25%, #f7f3ec 0 50%) 0 0 / 16px 16px;
  border-right: 1px solid var(--line);
}
.card .thumb img { max-width: 100%; max-height: 100%; image-rendering: pixelated; display: block; }
.noimg { color: var(--muted); font-size: 12px; }
.card-body { padding: 10px 12px; min-width: 0; position: relative; display: flex; flex-direction: column; gap: 3px; }
.card-title { font-weight: 650; text-decoration: none; padding-right: 28px; }
.card-title:hover { text-decoration: underline; }
.meta { color: var(--muted); font-size: 12px; }
.notes { font-size: 12px; white-space: pre-wrap; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.card .menu { position: absolute; top: 6px; right: 6px; }
.card .menu summary { padding: 0 8px; border-radius: 6px; font-size: 18px; line-height: 24px; color: var(--muted); }
.card .menu summary:hover { background: var(--panel-2); color: var(--ink); }

/* ---------------------------------------------------------------- editor */

body.editor-page { height: 100vh; display: flex; flex-direction: column; overflow: hidden; }
.title-input { font-size: 16px; font-weight: 650; border-color: transparent !important; background: transparent !important; width: min(360px, 30vw); }
.title-input:hover, .title-input:focus { border-color: var(--line-strong) !important; background: #fff !important; }
.editor { flex: 1; min-height: 0; display: grid; grid-template-columns: 172px 1fr 320px; }

.tools, .side { background: var(--panel); overflow-y: auto; }
.tools { border-right: 1px solid var(--line); padding: 12px; display: flex; flex-direction: column; gap: 18px; }
.side { border-left: 1px solid var(--line); }
.tool-group { display: flex; flex-direction: column; gap: 6px; }
.group-label { font-size: 11px; font-weight: 650; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.tool-group button[data-tool] { justify-content: flex-start; }
.tool-group button[data-tool][aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.ico { width: 18px; text-align: center; font-size: 15px; }
.tool-group .row button { flex: 1; justify-content: center; padding: 6px 0; }

.stage {
  position: relative; overflow: hidden; min-width: 0;
  background: #e7e0d3;
  background-image: radial-gradient(rgba(0, 0, 0, .05) 1px, transparent 1px);
  background-size: 12px 12px;
}
.stage canvas { display: block; touch-action: none; cursor: crosshair; }
.stage canvas[data-tool="pick"] { cursor: copy; }
.stage canvas.can-pan { cursor: grab; }
.stage canvas.panning { cursor: grabbing; }
.hover-info {
  position: absolute; left: 12px; bottom: 12px; pointer-events: none;
  background: rgba(255, 253, 249, .92); border: 1px solid var(--line); border-radius: 6px;
  padding: 3px 8px; font-size: 12px;
}
.hover-info:empty { display: none; }
.loading { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); }

.side section { padding: 14px 16px; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; }
.section-head { display: flex; justify-content: space-between; align-items: center; }
.active-thread { display: flex; gap: 10px; align-items: center; padding: 8px; background: var(--panel-2); border-radius: var(--radius); }

.swatch {
  display: inline-grid; place-items: center; flex: none;
  width: 22px; height: 22px; border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, .25);
  font: bold 13px "Segoe UI Symbol", "DejaVu Sans", "Apple Symbols", sans-serif;
}
.swatch.big { width: 34px; height: 34px; font-size: 18px; }

.palette { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.thread { display: flex; align-items: center; border-radius: 6px; }
.thread:hover { background: var(--panel-2); }
.thread.is-active { background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--accent); }
.pick-thread {
  flex: 1; min-width: 0; border: 0; background: transparent !important; padding: 4px 6px;
  display: grid; grid-template-columns: 22px 44px 1fr auto; gap: 8px; text-align: left;
}
.thread-num { font-weight: 600; font-variant-numeric: tabular-nums; }
.thread-name { overflow: hidden; text-overflow: ellipsis; color: var(--muted); }
.thread-count { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 12px; }

.refs { display: flex; flex-direction: column; gap: 10px; }
.refs figure { margin: 0; }
.refs figcaption { font-size: 12px; color: var(--muted); margin-top: 4px; }
.ref-img { position: relative; display: block; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: #fff; }
.ref-img img { display: block; width: 100%; image-rendering: pixelated; }
.marker { position: absolute; border: 2px solid #e0245e; box-shadow: 0 0 0 1px #fff; border-radius: 2px; pointer-events: none; }

/* ---------------------------------------------------------------- dialogs */

dialog { border: 1px solid var(--line); border-radius: 12px; padding: 0; background: var(--panel); color: var(--ink); box-shadow: 0 20px 60px rgba(40, 30, 20, .3); }
dialog::backdrop { background: rgba(40, 30, 20, .35); }
dialog.confirm { padding: 20px; max-width: 420px; }
dialog.confirm p { margin: 0 0 16px; }
dialog.confirm .row { justify-content: flex-end; }

.picker { width: min(860px, calc(100vw - 48px)); height: min(640px, calc(100vh - 48px)); }
.picker[open] { display: flex; flex-direction: column; }
.picker-head { display: flex; gap: 12px; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.picker-head h2 { text-transform: none; letter-spacing: 0; font-size: 15px; color: var(--ink); white-space: nowrap; }
.picker-head input { flex: 1; }
.picker-grid { overflow-y: auto; padding: 8px 16px 16px; }
.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 4px; }
.swatch-btn {
  border: 1px solid transparent; background: transparent; padding: 4px 6px;
  display: grid; grid-template-columns: 22px 44px 1fr; gap: 6px; text-align: left;
}
.swatch-btn:hover { border-color: var(--line-strong); background: var(--panel-2); }
.swatch-btn.used .thread-num { color: var(--accent); }

/* ---------------------------------------------------------------- toasts */

.toasts { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 8px; z-index: 50; }
.toast { background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; box-shadow: var(--shadow); animation: toast-in .15s ease-out; }
.toast.error { background: var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateY(6px); } }
@media (prefers-reduced-motion: reduce) { .toast { animation: none; } }