/* ══════════════════════════════════════════════════
   Quilt Designer — style.css
   ══════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #f2e6ec;    /* purple-1: light pink-lavender */
  --panel-bg:    #ffffff;
  --border:      #d4c2e0;    /* purple-2: light lavender */
  --accent:      #6868c0;    /* blue-3: medium periwinkle */
  --accent-dark: #3535a0;    /* blue-1: dark indigo */
  --text:        #111111;
  --muted:       #5a4a6a;    /* purple-muted */
  --empty-cell:  #ffffff;
  --grid-gap:    #b8d4cc;    /* sage-3: light sage */
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ── Header ─────────────────────────────── */

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  height: 110px;
  background: #1e1c45;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 2px 12px rgba(0,0,0,.5);
  z-index: 10;
  gap: 12px;
}

.header-left  { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.header-right { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; }

.logo { font-size: 1.25rem; }
header h1 { font-size: 1.05rem; font-weight: 700; letter-spacing: .3px; white-space: nowrap; }
.header-logo { height: 100px; width: auto; border-radius: 8px; display: block; }

.header-right button {
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.35);
  color: #fff;
  padding: 4px 9px;
  border-radius: 4px;
  cursor: pointer;
  font-size: .77rem;
  transition: background .15s;
  white-space: nowrap;
}
.header-right button:hover { background: rgba(255,255,255,.32); }
.btn-danger { background: rgba(160,30,30,.45) !important; border-color: rgba(255,120,120,.4) !important; }
.btn-danger:hover { background: rgba(160,30,30,.65) !important; }

/* ── Layout ──────────────────────────────── */

.layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Side Panels ─────────────────────────── */

.panel {
  background: var(--panel-bg);
  overflow-y: auto;
  padding: 12px;
  flex-shrink: 0;
}
.panel-left  { width: 300px; border-right: 1px solid var(--border); }
.panel-right { width: 240px; border-left: 1px solid var(--border); background: #edf6fc; overflow-y: auto; padding: 10px 10px 20px; }

.rp-header {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .9px;
  color: #fff;
  background: #1a1a2e;   /* blue-8: darkest navy */
  padding: 8px 12px;
  border-radius: 8px 8px 0 0;
  margin-bottom: 0;
}

/* ── Center ──────────────────────────────── */

.center {
  flex: 1;
  overflow: hidden;
  display: grid;
  grid-template-areas: "corner rx" "ry canvas";
  grid-template-columns: 28px 1fr;
  grid-template-rows: 28px 1fr;
}

.grid-hint { display: none; }

/* ── Canvas container (holds scroll area + floating zoom bar) ── */
.canvas-container {
  grid-area: canvas;
  position: relative;
  overflow: hidden;
}

/* ── Floating zoom bar ── */
#zoom-bar {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(22, 13, 40, 0.85);
  backdrop-filter: blur(4px);
  padding: 6px 14px;
  border-radius: 20px;
  box-shadow: 0 2px 12px rgba(0,0,0,.35);
  white-space: nowrap;
}
#zoom-bar button {
  width: 22px; height: 22px;
  border: none;
  background: rgba(255,255,255,.15);
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  padding: 0;
}
#zoom-bar button:hover { background: rgba(167,139,250,.5); }
#zoom-bar input[type="range"] {
  width: 120px;
  accent-color: #a78bfa;
  cursor: pointer;
}
#zoom-bar #zoom-label {
  color: #c8b8f0;
  font-size: 12px;
  min-width: 34px;
  text-align: right;
}

.ruler-corner {
  grid-area: corner;
  background: #1e1c45;
  border-right: 1px solid #2a2a78;
  border-bottom: 1px solid #2a2a78;
  z-index: 3;
}
.ruler-x-wrap {
  grid-area: rx;
  overflow: hidden;
  background: #1e1c45;
  border-bottom: 2px solid #2a2a78;
  position: relative; z-index: 2;
}
.ruler-y-wrap {
  grid-area: ry;
  overflow: hidden;
  background: #1e1c45;
  border-right: 2px solid #2a2a78;
  position: relative; z-index: 2;
}
.ruler-x-wrap > div, .ruler-y-wrap > div { position: absolute; top: 0; left: 0; }
.ruler-corner, .ruler-x-wrap, .ruler-y-wrap { display: flex; }

.grid-scroll {
  overflow: auto;
  background: #ffffff;
  position: absolute;
  inset: 0;
}
  max-width: 100%;
}

/* ── Quilt grid ───────────────────────────── */

#quilt-grid {
  display: grid;
  gap: 1px;
  background: var(--grid-gap);
  border: 2px solid #6080b0;
  border-radius: 2px;
  user-select: none;
  cursor: crosshair;
  box-shadow: 0 4px 18px rgba(0,0,0,.22);
  position: relative;   /* needed for overlay positioning */
}

.qc {
  background: var(--empty-cell);
}
.qc:hover { filter: brightness(.85); }

/* ── Sections ────────────────────────────── */

.section {
  margin-bottom: 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(100,80,160,.08);
}

.section .section-body {
  padding: 10px 12px 12px;
}

/* Tinted background per section */
.section:nth-child(1) { background: #f2e6ec; }  /* purple-1 */
.section:nth-child(2) { background: #edf8f3; }  /* sage-5 */
.section:nth-child(3) { background: #edf6fc; }  /* blue-6 */
.section:nth-child(4) { background: #d8cce4; }  /* purple-2 slightly deeper */

.sec-title {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .9px;
  color: #ffffff;
  padding: 8px 12px 7px;
  border-bottom: 1px solid rgba(255,255,255,.15);
  margin-bottom: 0;
  background: #1e1c45;   /* purple-5: dark navy */
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}
.sec-chevron {
  font-size: .85rem;
  margin-left: auto;
  padding-left: 6px;
  transition: transform .18s;
  display: inline-block;
}
.section.collapsed .sec-chevron { transform: rotate(-90deg); }
.section.collapsed .section-body { display: none; }

/* ── Sub-heading (Sashing & Border Colors) ── */
.sub-heading {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .7px;
  color: #fff;
  background: #2a2a78;   /* blue-2: deeper indigo */
  margin: 10px -12px 8px;
  padding: 5px 12px;
  border-radius: 0;
}

/* ── Color grid in Fabrics ── */
.color-grid { display: grid; gap: 5px; }
.color-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: #111;
}
.color-row-lbl { flex: 1; }
.btn-photo-sm {
  background: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  font-size: .8rem;
  padding: 1px 4px;
  line-height: 1;
  flex-shrink: 0;
}
.btn-photo-sm:hover { background: #ede8fb; }
.btn-photo-sm.has-image { border-color: var(--accent); }

.btn-add-fabric-inline {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 6px;
  background: none;
  border: 1px dashed var(--border);
  border-radius: 5px;
  color: var(--accent);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
}
.btn-add-fabric-inline:hover { background: #f3eeff; border-color: var(--accent); }
.color-row input[type="color"] {
  width: 32px; height: 22px;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  padding: 1px;
  background: none;
}

/* ── Quilt Calculator internal layout ─────── */
.qs-calc-heading {
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .7px;
  color: #fff;
  background: #2a2a78;   /* blue-2 */
  margin: 8px -12px 8px;
  padding: 5px 12px;
}
.calc-line-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  margin-top: 8px;
  padding: 4px 0;
}
.calc-line-lbl { color: #111; flex-shrink: 0; }
.calc-line-row select { margin-left: auto; }
.calc-check-lbl { font-size: .82rem; color: #111; display: flex; align-items: center; gap: 4px; white-space: nowrap; }
.calc-hint { font-size: .68rem; color: #16a34a; font-style: italic; margin-left: 2px; white-space: nowrap; }
.calc-sash-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: .82rem;
  padding: 4px 0 2px 10px;
}
.calc-border-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  margin-top: 5px;
}
.calc-border-line .calc-check-lbl { flex: 1; }
.calc-border-size {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  font-size: .75rem;
  position: relative;
}
.calc-border-size.border-opts-disabled { cursor: help; }
.calc-border-size.border-opts-disabled::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 6px);
  right: 0;
  background: #1a1528;
  color: #fff;
  font-size: .7rem;
  padding: 4px 9px;
  border-radius: 5px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity .15s;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.calc-border-size.border-opts-disabled:hover::after { opacity: 1; }
.calc-sash-inline {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-left: auto;
}
.calc-sash-sub {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 20px;
  margin-top: 3px;
  font-size: .82rem;
}
#calc-result { display: none; }
#size-calc-body { padding-top: 6px; }
.calc-result {
  margin-top: 8px;
  padding: 8px 10px;
  background: #edf8f3;   /* sage-5 */
  border: 4px solid #628c78;  /* sage-1 */
  border-radius: 5px;
  font-size: .82rem;
  line-height: 1.9;
}
.calc-result-row { display: flex; justify-content: space-between; align-items: baseline; gap: 6px; }
.calc-result-row span:first-child { color: #333; }
.calc-result-row span:last-child  { font-weight: 500; white-space: nowrap; }
.calc-sep { border: none; border-top: 1px solid #628c78; margin: 4px 0; }
.calc-result-row.calc-target { font-weight: 700; font-size: .88rem; border-top: 2px solid #628c78; margin-top: 4px; padding-top: 5px; }
.calc-diff-good { color: #16a34a; }
.calc-diff-warn { color: #d97706; }

.sec-action {
  background: none;
  border: none;
  color: rgba(255,255,255,.8);
  cursor: pointer;
  font-size: .75rem;
  font-weight: 700;
  padding: 0;
  text-transform: none;
  letter-spacing: 0;
}
.sec-action:hover { color: #fff; text-decoration: underline; }

/* ── Form fields ─────────────────────────── */

.field {
  margin-bottom: 7px;
}
.field label {
  display: block;
  font-size: .82rem;
  color: #111;
  font-weight: 500;
  margin-bottom: 3px;
}
.field input[type="number"],
.field select {
  width: 100%;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: .88rem;
  background: #fff;
  color: #111;
}
/* Remove spinner arrows from all number inputs */
input[type="number"] {
  -moz-appearance: textfield;
}
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.field input[type="number"]:focus,
.field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

/* ── Settings 2-column grid ──────────────── */

.settings-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 6px;
}
.settings-row > .field { margin-bottom: 0; }
.settings-stack > .field { margin-bottom: 5px; }
.settings-stack > .field:last-child { margin-bottom: 0; }

.field-group {
  margin-bottom: 8px;
}
.field-group-label {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .7px;
  color: var(--accent);
  margin-bottom: 5px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--border);
}
.field-group .settings-row { margin-bottom: 0; }
.settings-row-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.settings-row-3 > .field { margin-bottom: 0; }

.inp-unit-row {
  display: flex;
  align-items: center;
  gap: 4px;
}
.inp-unit-row input[type="number"] { flex: 1; min-width: 0; }
.inp-unit { font-size: 12px; color: var(--muted); flex-shrink: 0; }

#block-warn { margin-top: 8px; display: none; }
.block-warn-msg {
  font-size: 11.5px;
  line-height: 1.5;
  color: #92400e;
  background: #fef3c7;
  border: 1px solid #f59e0b;
  border-left: 3px solid #f59e0b;
  border-radius: 4px;
  padding: 5px 8px;
  margin-bottom: 4px;
}
.block-warn-compact {
  font-size: 10.5px;
  padding: 3px 7px;
  line-height: 1.4;
}
.block-warn-msg:last-child { margin-bottom: 0; }
.block-warn-tip { color: #78350f; font-weight: 600; }
.block-info-msg {
  color: #1e40af !important;
  background: #eff6ff !important;
  border-color: #3b82f6 !important;
  border-left-color: #3b82f6 !important;
}
.block-info-msg .block-warn-tip { color: #1d4ed8; }
.block-info-msg .block-warn-fix { color: #1e40af; border-top-color: rgba(59,130,246,.3); }
.block-warn-fix {
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px solid rgba(245,158,11,.3);
  font-size: 11px;
  color: #92400e;
  font-style: italic;
  line-height: 1.5;
}

.btn-primary {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 7px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s;
}
.btn-primary:hover { background: var(--accent-dark); }

/* ── Fabric palette items ────────────────── */

.fabric-item {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 5px;
  border-radius: 5px;
  margin-bottom: 3px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color .1s, background .1s;
}
.fabric-item:hover  { background: #ede8fb; }
.fabric-item.active {
  border-color: var(--accent);
  background: rgba(124,58,237,.08);
}

.fab-swatch {
  width: 20px; height: 20px;
  border-radius: 3px;
  border: 1px solid rgba(0,0,0,.18);
  flex-shrink: 0;
  cursor: pointer;
}

.fab-name {
  flex: 1; min-width: 0;
  border: none; background: transparent;
  font-size: .8rem; color: var(--text);
  cursor: pointer;
  padding: 1px 3px;
  border-radius: 2px;
}
.fab-name:focus {
  outline: 1px solid var(--accent);
  background: #fff;
  cursor: text;
}

input[type="color"].fab-color {
  width: 22px; height: 20px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  background: none;
  flex-shrink: 0;
}

.btn-del {
  background: none; border: none;
  color: #c8b098; cursor: pointer;
  font-size: .9rem; line-height: 1;
  padding: 0 2px; flex-shrink: 0;
}
.btn-del:hover { color: #c04040; }

.btn-photo {
  background: none; border: none;
  cursor: pointer; font-size: .82rem;
  line-height: 1; padding: 0 2px;
  flex-shrink: 0; opacity: .45;
  transition: opacity .15s;
}
.btn-photo:hover { opacity: 1; }
.btn-photo.has-image {
  opacity: 1;
  color: var(--accent);
  filter: drop-shadow(0 0 2px rgba(124,58,237,.4));
}

/* ── Tools ───────────────────────────────── */

.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
}

.tool {
  padding: 6px 4px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: #fff;
  cursor: pointer;
  font-size: .77rem;
  color: var(--text);
  text-align: center;
  transition: all .12s;
}
.tool:hover  { background: #ede8fb; border-color: var(--accent); }
.tool.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.zoom-field { margin-top: 10px; }
.zoom-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.zoom-row input[type="range"] {
  flex: 1;
}
#zoom-label {
  font-size: .74rem;
  color: var(--muted);
  width: 32px;
  flex-shrink: 0;
}

/* ── Calculations ────────────────────────── */

.calc-card {
  margin-bottom: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(100,80,160,.07);
  background: #fff;
}
.calc-card:first-of-type { border-radius: 0 0 8px 8px; }

.calc-label {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .7px;
  color: #fff;
  background: #2a2a78;   /* blue-2: deeper indigo */
  padding: 6px 10px;
  margin-bottom: 0;
}

.calc-val {
  font-size: 1rem;
  font-weight: 700;
  color: #111;
  line-height: 1.3;
  padding: 8px 10px 2px;
}

.calc-sub {
  font-size: .82rem;
  color: #333;
  padding: 2px 10px;
}

.calc-note {
  font-size: .73rem;
  color: #555;
  font-style: italic;
  padding: 1px 10px 8px;
}

/* Fabric yardage rows */
.rp-rows { padding: 6px 10px 8px; }
.rp-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  font-size: .82rem;
  line-height: 1.9;
  color: #111;
}
.fp-reminder {
  font-size: .75rem;
  color: #1e1c45;
  background: #e8dcf4;   /* purple-2 light lavender */
  border: 1px solid #a89ac4;  /* purple-3 medium periwinkle */
  border-left: 3px solid #a89ac4;
  border-radius: 4px;
  padding: 7px 10px;
  margin-bottom: 8px;
  font-weight: 500;
}
.fp-item { margin-bottom: 8px; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.fp-item.fp-unused { opacity: .6; }
.fp-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  padding: 7px 9px;
  background: #f5f0fc;
  cursor: pointer;
  font-size: .82rem;
  font-weight: 600;
  color: #111;
}
.fp-header:hover { background: #ede8f8; }
.fp-swatch { width: 18px; height: 18px; border-radius: 3px; border: 1px solid rgba(0,0,0,.15); flex-shrink: 0; background-size: cover; }
.fp-name   { flex: 1; }
.fp-yds    { font-weight: 700; color: #2a2a78; }
.fp-yds.fp-warn { color: #c0392b; }
.fp-warn-bar {
  width: 100%;
  font-size: .72rem;
  font-weight: 600;
  color: #c0392b;
  background: #fff5f5;
  border: 1.5px solid #c0392b;
  border-radius: 3px;
  padding: 2px 8px;
  margin-top: 2px;
  box-sizing: border-box;
}
.fp-section-sep {
  font-size: .67rem;
  font-weight: 700;
  color: #888;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 8px 0 3px;
  border-top: 1px solid var(--border);
  margin-top: 4px;
}
.fp-chev   { font-size: .75rem; color: #888; margin-left: 4px; }
.fp-settings { padding: 7px 10px 8px; background: #fff; border-top: 1px solid var(--border); }
.fp-set-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: .78rem;
  margin-bottom: 5px;
}
.fp-set-row:last-child { margin-bottom: 0; }
.fp-lbl { min-width: 55px; color: #444; font-weight: 500; }
.fp-select { flex: 1; font-size: .72rem; padding: 2px 4px; border: 1px solid var(--border); border-radius: 4px; text-align: right; text-align-last: right; }
.fp-w-inp  { width: 50px; padding: 3px 5px; border: 1px solid var(--border); border-radius: 4px; font-size: .78rem; }
.fp-unit-sel { font-size: .72rem; padding: 2px 4px; border: 1px solid var(--border); border-radius: 4px; background: #fff; color: #444; }
.fp-piece-size {
  font-size: .78rem;
  font-weight: 600;
  color: #2a2a78;
  background: #eef4ff;
  border: 1px solid #d4c2e0;
  border-radius: 4px;
  padding: 3px 8px;
  margin-top: 4px;
  text-align: center;
}

.fab-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: .82rem;
  line-height: 1.9;
  color: #111;
}
.rp-row-lbl { color: #333; font-weight: 600; }
.rp-row-val { font-weight: 600; text-align: right; }
.rp-note {
  font-size: .7rem;
  color: #666;
  font-style: italic;
  margin: -2px 0 4px;
}

.fab-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}
.fab-row-swatch {
  width: 18px; height: 18px;
  border-radius: 3px;
  border: 1px solid rgba(0,0,0,.15);
  flex-shrink: 0;
  background-size: cover;
}
.calc-sub-swatch {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 2px;
  border: 1px solid rgba(0,0,0,.15);
  margin-right: 4px;
  vertical-align: middle;
  background-size: cover;
}
.fab-row-info { flex: 1; min-width: 0; }
.fab-row-name {
  font-size: .78rem; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.fab-row-cnt {
  font-size: .67rem;
  color: var(--muted);
}
.fab-row-yds {
  font-size: .86rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  white-space: nowrap;
}
.fab-row.unused .fab-row-yds {
  color: var(--muted);
  font-weight: 400;
}

/* ── Toast ───────────────────────────────── */

#toast {
  position: fixed;
  bottom: 20px; left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: rgba(40,22,8,.92);
  color: #fff;
  padding: 7px 18px;
  border-radius: 20px;
  font-size: .83rem;
  opacity: 0;
  pointer-events: none;
  z-index: 9999;
  transition: opacity .2s, transform .2s;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Print ───────────────────────────────── */

.print-header { display: none; }

@media print {
  body { overflow: visible; height: auto; }

  header,
  .panel-left,
  .center,
  .grid-hint { display: none !important; }

  .layout { display: block; }

  .panel-right {
    width: 100% !important;
    border: none !important;
    padding: 0 !important;
    overflow: visible !important;
  }

  .print-header {
    display: block;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid #ccc;
  }
  .print-header h2 { font-size: 1.2rem; }
  .print-header p  { font-size: .85rem; color: #666; margin-top: 3px; }

  .calc-card { page-break-inside: avoid; }
  .calc-val  { font-size: 1.1rem; }
}

/* ── Sashing & Borders panel ─────────────── */

.field-check { margin-bottom: 5px; }
.field-check label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: .8rem;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}
.field-check input[type="checkbox"] {
  width: 14px; height: 14px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
  margin: 0;
}

.color-pick-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.color-pick-row input[type="color"] {
  width: 34px; height: 26px;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  padding: 1px;
  flex-shrink: 0;
}
.color-pick-label {
  font-size: .7rem;
  color: var(--muted);
}

.field-note {
  font-size: .71rem;
  color: var(--muted);
  font-style: italic;
}

#size-preset-info { white-space: pre-line; }
.preset-summary {
  font-size: .72rem;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 3px;
}
.preset-ok  { color: #16a34a; font-weight: 600; }
.preset-adj { color: #d97706; font-size: .7rem; }
.preset-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: .7rem;
  margin-bottom: 3px;
}
.preset-q { color: var(--muted); }
.preset-line { font-size: .71rem; color: var(--muted); margin-bottom: 2px; }
.preset-line b { color: var(--text); font-weight: 600; }
.preset-yn {
  margin-top: 5px;
  font-size: .71rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.btn-yn {
  padding: 2px 10px;
  border-radius: 4px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-size: .7rem;
  cursor: pointer;
}
.btn-yn:hover { background: var(--accent-dark); }
.btn-yn-no  { background: transparent; color: var(--muted); border-color: var(--border); }
.btn-yn-no:hover { background: #f0eaf9; }

/* ── Quilt Settings section ─────────────────────────── */
.qs-prompt {
  font-size: .84rem;
  color: #333;
  margin: 0 0 8px;
  font-style: italic;
}
.qs-select {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-size: .82rem;
  background: #fff;
  color: var(--text);
  cursor: pointer;
  margin-bottom: 10px;
}
.qs-info { margin-top: 4px; }
.qs-info-line {
  font-size: .84rem;
  line-height: 1.7;
  color: #111;
}
.qs-info-line b { font-weight: 600; }
.qs-info-line em { color: var(--accent-dark); font-style: italic; }
.qs-info-note {
  font-size: .78rem;
  color: #333;
  margin: 6px 0 4px;
  font-style: italic;
  line-height: 1.5;
}
.qs-info-note.qs-ok { color: #2a5c48; font-style: normal; font-weight: 500; }
.qs-bullet { color: #628c78; font-weight: 700; font-size: .9rem; flex-shrink: 0; line-height: 1.4; }
.qs-recommend-box {
  background: #edf8f3;   /* sage-5 */
  border: 1px solid #8cb0a0; /* sage-2 */
  border-radius: 5px;
  padding: 7px 10px;
  font-size: .78rem;
  color: #2a5c48;
  font-style: italic;
  line-height: 1.5;
  margin: 6px 0 4px;
}
.qs-partial-note {
  background: #eff6ff;
  border: 1px solid #93c5fd;
  border-radius: 4px;
  padding: 5px 9px;
  font-size: .75rem;
  color: #1e40af;
  margin: 4px 0;
}
.qs-bullets {
  margin: 4px 0 8px 16px;
  padding: 0;
  font-size: .82rem;
  line-height: 2;
  color: #111;
}
.qs-bullets.qs-tight {
  line-height: 1.6;
  margin: 5px 0 8px 14px;
}
.qs-bullets.qs-tight li { margin-bottom: 1px; }
.qs-bullets li b { font-weight: 600; }
.qs-apply-row {
  margin-top: 8px;
}
.qs-apply-row .qs-apply-q {
  display: block;
  font-size: .78rem;
  color: #333;
  margin-bottom: 5px;
}
.btn-qs-apply {
  display: block;
  width: 100%;
  padding: 7px 14px;
  border-radius: 5px;
  border: none;
  background: #3535a0;  /* blue-1: dark indigo */
  color: #fff;
  font-size: .84rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
}
.btn-qs-apply:hover { background: #2a2a78; }
.qs-footer {
  font-size: .68rem;
  color: var(--muted);
  margin: 8px 0 4px;
  font-style: italic;
  line-height: 1.5;
}
.qs-calc-link {
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
}

.btn-show-opts {
  font-size: .7rem;
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
}
.btn-show-opts:hover { background: #ede8fb; }

.sash-opts-disabled {
  opacity: .4;
  pointer-events: none;
}

/* ── Border groups (outer / inner) ──────────── */

.border-group {
  background: #f4f0fc;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
}
.border-opts { padding-top: 6px; }
.border-opts-disabled {
  opacity: .4;
  pointer-events: none;
}
.border-num {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: var(--muted);
  min-width: 44px;
  flex-shrink: 0;
  padding-top: 14px;
}
.border-fields {
  flex: 1;
  min-width: 0;
  display: flex;
  gap: 6px;
}
.border-field-w { flex: 1; }
.border-field-c { flex-shrink: 0; }
.border-field-w label,
.border-field-c label {
  display: block;
  font-size: .66rem;
  color: var(--muted);
  margin-bottom: 2px;
}
.border-field-w input[type="number"] {
  width: 100%;
  padding: 4px 5px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: .82rem;
  background: #fff;
  color: var(--text);
}
.border-field-c input[type="color"] {
  width: 34px; height: 28px;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  padding: 1px;
}

/* ── Border/sashing visual wrapper ──────── */

#border-wrap {
  display: inline-block;
  line-height: 0;
  width: max-content;
}
.border-layer {
  display: inline-block;
  line-height: 0;
  width: max-content;
}

/* ── HST tool sub-panel ──────────────────── */

#hst-opts {
  margin-top: 8px;
  padding: 8px;
  background: #f0ecfc;
  border: 1px solid var(--border);
  border-radius: 5px;
}
.hst-sub-label {
  font-size: .66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--muted);
  margin-bottom: 5px;
  margin-top: 8px;
}
.hst-sub-label:first-child { margin-top: 0; }
.hst-dir-hint {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-style: italic;
}
.hst-fab-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 4px;
}
.hst-fab-swatch {
  width: 24px; height: 24px;
  border-radius: 3px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color .1s;
}
.hst-fab-swatch:hover { filter: brightness(.85); }
.hst-fab-swatch.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.hst-dir-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.hst-dir {
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  transition: border-color .12s, box-shadow .12s;
  background-size: 100% 100% !important;
}
.hst-dir:hover  { border-color: var(--accent); filter: brightness(.88); }
.hst-dir.active { border: 2px solid var(--accent); box-shadow: 0 0 0 1px var(--accent); }

.hst-size-row {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 4px;
}
.hst-size-row input[type="number"] {
  width: 44px;
  padding: 4px 5px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: .82rem;
  background: #fff;
  color: var(--text);
  text-align: center;
}
.hst-size-x, .hst-size-unit {
  font-size: .78rem;
  color: var(--muted);
  flex-shrink: 0;
}

.hst-fab-legend {
  font-weight: 400; text-transform: none; letter-spacing: 0;
  font-size: .66rem; color: var(--muted);
  margin-left: 5px;
  display: inline-flex; align-items: center; gap: 3px;
}
.hst-leg-sw {
  display: inline-block;
  width: 11px; height: 11px;
  border-radius: 2px;
  border: 1px solid rgba(0,0,0,.2);
  flex-shrink: 0;
}

/* ── Block pattern tool ──────────────────── */

.pattern-type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  margin-bottom: 5px;
}
.pattern-btn {
  height: 30px;
  border: 1.5px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  background-color: #f0ecfc;
  transition: border-color .12s;
}
.pattern-btn:hover { border-color: var(--accent); filter: brightness(.9); }
.pattern-btn.active {
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.pattern-type-name {
  font-size: .72rem;
  color: var(--muted);
  text-align: center;
  font-style: italic;
  margin-bottom: 5px;
}
.pattern-fab-row {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 4px;
}
.pattern-fab-lbl {
  font-size: .72rem;
  font-weight: 700;
  color: var(--muted);
  min-width: 14px;
  flex-shrink: 0;
}
.pat-fab-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}
.pat-fab-sw {
  width: 20px; height: 20px;
  border-radius: 2px;
  border: 2px solid transparent;
  cursor: pointer;
  flex-shrink: 0;
}
.pat-fab-sw:hover { filter: brightness(.85); }
.pat-fab-sw.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

/* ── Object select/move overlay ─────────── */

.obj-sel {
  position: absolute;
  border: 2px solid var(--accent);
  background: rgba(124,58,237,.12);
  box-shadow: 0 0 0 1px rgba(124,58,237,.4);
  border-radius: 2px;
  pointer-events: none;
}
.obj-preview {
  position: absolute;
  border: 2px dashed #a78bfa;
  background: rgba(124,58,237,.07);
  border-radius: 2px;
  pointer-events: none;
  animation: dash-march .6s linear infinite;
}
@keyframes dash-march {
  to { border-dash-offset: -12px; }
}

/* ── Standard sizes reference table ─────── */

.size-ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .78rem;
  margin-top: 4px;
}
.size-ref-table td {
  padding: 3px 0;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.size-ref-table tr:last-child td { border-bottom: none; }
.size-ref-table td:first-child {
  color: var(--muted);
  width: 55%;
}
.size-ref-table td:last-child {
  text-align: right;
  font-weight: 600;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

/* ── Block Editor Modal ──────────────────── */

.be-overlay {
  position: fixed; inset: 0;
  background: rgba(10,5,20,.78);
  display: flex; align-items: center; justify-content: center;
  z-index: 9000;
  backdrop-filter: blur(3px);
}
.be-modal {
  background: var(--panel-bg);
  border-radius: 10px;
  box-shadow: 0 10px 50px rgba(0,0,0,.55);
  display: flex; flex-direction: column;
  max-height: 92vh; max-width: 95vw;
  overflow: hidden; min-width: 520px;
}
.be-header {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px;
  background: #1e1c45; color: #fff; flex-shrink: 0;
}
.be-title { font-size: .95rem; font-weight: 700; flex: 1; }
.be-label { font-size: .71rem; color: rgba(255,255,255,.55); }
.be-subgrid-btns { display: flex; align-items: center; gap: 3px; }
.be-sz {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff; padding: 3px 8px;
  border-radius: 4px; cursor: pointer; font-size: .74rem;
  transition: background .12s;
}
.be-sz:hover  { background: rgba(255,255,255,.24); }
.be-sz.active { background: var(--accent); border-color: var(--accent); }
.be-close {
  background: none; border: none; color: rgba(255,255,255,.5);
  font-size: 1rem; cursor: pointer; padding: 2px 4px; line-height: 1;
}
.be-close:hover { color: #fff; }
.be-body { display: flex; flex: 1; overflow: hidden; }
.be-sidebar {
  width: 148px; flex-shrink: 0;
  padding: 11px; border-right: 1px solid var(--border);
  overflow-y: auto; background: var(--bg);
}
.be-sec {
  font-size: .64rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .8px;
  color: var(--accent);
  margin-bottom: 5px; padding-bottom: 2px;
  border-bottom: 1px solid var(--border);
}
.be-fab-list { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 2px; }
.be-fab-sw {
  width: 26px; height: 26px; border-radius: 4px;
  border: 2px solid transparent; cursor: pointer;
  transition: border-color .1s;
}
.be-fab-sw:hover { filter: brightness(.85); }
.be-fab-sw.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.be-tools { display: flex; flex-direction: column; gap: 4px; }
.be-tool {
  padding: 5px 8px; border: 1px solid var(--border);
  border-radius: 4px; background: #fff;
  cursor: pointer; font-size: .77rem; color: var(--text);
  text-align: left; transition: all .12s;
}
.be-tool:hover  { background: #ede8fb; border-color: var(--accent); }
.be-tool.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.be-hst-dirs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
}
.be-hst-dir {
  height: 26px; border: 1.5px solid var(--border);
  border-radius: 3px; cursor: pointer;
  background-size: 100% 100% !important;
  transition: border-color .1s;
}
.be-hst-dir:hover  { border-color: var(--accent); filter: brightness(.9); }
.be-hst-dir.active { border: 2px solid var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.be-canvas-area {
  flex: 1; overflow: auto; padding: 20px;
  display: flex; align-items: center; justify-content: center;
  background: #eceaf3;
  background-image: radial-gradient(circle, #c8c2da 1px, transparent 1px);
  background-size: 20px 20px;
}
.be-grid {
  display: grid; gap: 1px;
  background: var(--grid-gap);
  border: 2px solid var(--grid-gap);
  border-radius: 3px; user-select: none; cursor: crosshair;
  box-shadow: 0 4px 20px rgba(0,0,0,.28);
}
.be-cell { cursor: crosshair; }
.be-cell:hover { filter: brightness(.82); }
.be-footer {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.be-hint { flex: 1; font-size: .69rem; color: var(--muted); font-style: italic; }
.be-btn-cancel {
  padding: 6px 14px; border: 1px solid var(--border);
  border-radius: 4px; background: #fff;
  color: var(--text); cursor: pointer; font-size: .84rem;
}
.be-btn-cancel:hover { background: #ede8fb; border-color: var(--accent); }