/* Suguru — Zen Japanese-inspired styles */

/* ---------- themes ---------- */
:root[data-theme="sumi"] {
  --paper-outer: #efe8d9;
  --paper-inner: #f6efdd;
  --paper-speckle: rgba(120, 90, 55, 0.05);
  --ink-border: #262018;
  --ink-given: #1c1710;
  --ink-user: #5a3a2a;
  --ink-note: rgba(40, 32, 20, 0.55);
  --text: #2a241c;
  --text-muted: #6b5f4d;
  --grid-thin: rgba(60, 45, 25, 0.18);
  --accent: #b2472c;      /* vermilion */
  --accent-ink: #8c321f;
  --select-fill: rgba(178, 71, 44, 0.12);
  --select-stroke: #b2472c;
  --match-fill: rgba(178, 71, 44, 0.06);
  --error: #a8261a;
  --wash-a: rgba(178, 130, 70, 0.08);
  --wash-b: rgba(84, 110, 92, 0.09);
  --wash-c: rgba(156, 120, 90, 0.10);
  --wash-d: rgba(100, 90, 70, 0.08);
  --wash-e: rgba(140, 100, 70, 0.06);
  --card-bg: rgba(255, 250, 236, 0.7);
  --card-border: rgba(60, 45, 25, 0.15);
  --btn-bg: #2a241c;
  --btn-fg: #f6efdd;
  --btn-hover: #3d3529;
  --chip-bg: rgba(60, 45, 25, 0.06);
  --chip-on-bg: #2a241c;
  --chip-on-fg: #f6efdd;
  --shadow: 0 1px 0 rgba(60,45,25,0.06), 0 8px 30px rgba(60,45,25,0.08);
}

:root[data-theme="kori"] {
  --paper-outer: #eef1f4;
  --paper-inner: #f8fafb;
  --paper-speckle: rgba(30, 60, 90, 0.03);
  --ink-border: #1e2a38;
  --ink-given: #0f1a28;
  --ink-user: #355072;
  --ink-note: rgba(30, 50, 80, 0.55);
  --text: #1a2636;
  --text-muted: #5e6c7f;
  --grid-thin: rgba(30, 50, 80, 0.15);
  --accent: #2e6f9c;
  --accent-ink: #204f74;
  --select-fill: rgba(46, 111, 156, 0.12);
  --select-stroke: #2e6f9c;
  --match-fill: rgba(46, 111, 156, 0.06);
  --error: #a8261a;
  --wash-a: rgba(46, 111, 156, 0.06);
  --wash-b: rgba(90, 150, 180, 0.07);
  --wash-c: rgba(70, 120, 160, 0.08);
  --wash-d: rgba(120, 140, 170, 0.07);
  --wash-e: rgba(90, 110, 150, 0.06);
  --card-bg: rgba(255, 255, 255, 0.7);
  --card-border: rgba(30, 50, 80, 0.12);
  --btn-bg: #1e2a38;
  --btn-fg: #f8fafb;
  --btn-hover: #2e3d50;
  --chip-bg: rgba(30, 50, 80, 0.05);
  --chip-on-bg: #1e2a38;
  --chip-on-fg: #f8fafb;
  --shadow: 0 1px 0 rgba(30,50,80,0.05), 0 8px 30px rgba(30,50,80,0.08);
}

:root[data-theme="yugure"] {
  --paper-outer: #181a2a;
  --paper-inner: #20243a;
  --paper-speckle: rgba(255, 220, 150, 0.03);
  --ink-border: #e8d8a8;
  --ink-given: #f4e8c8;
  --ink-user: #d4b676;
  --ink-note: rgba(244, 232, 200, 0.5);
  --text: #ece4d2;
  --text-muted: #a49e88;
  --grid-thin: rgba(244, 232, 200, 0.15);
  --accent: #c9a24a;
  --accent-ink: #e8c872;
  --select-fill: rgba(201, 162, 74, 0.18);
  --select-stroke: #c9a24a;
  --match-fill: rgba(201, 162, 74, 0.09);
  --error: #e87a5b;
  --wash-a: rgba(201, 162, 74, 0.08);
  --wash-b: rgba(120, 140, 200, 0.10);
  --wash-c: rgba(180, 130, 140, 0.09);
  --wash-d: rgba(150, 120, 170, 0.08);
  --wash-e: rgba(100, 140, 180, 0.10);
  --card-bg: rgba(40, 45, 70, 0.6);
  --card-border: rgba(244, 232, 200, 0.15);
  --btn-bg: #c9a24a;
  --btn-fg: #181a2a;
  --btn-hover: #d4b676;
  --chip-bg: rgba(244, 232, 200, 0.06);
  --chip-on-bg: #c9a24a;
  --chip-on-fg: #181a2a;
  --shadow: 0 1px 0 rgba(0,0,0,0.15), 0 8px 30px rgba(0,0,0,0.35);
}

/* region style: ink hides washes */
:root[data-region-style="ink"] {
  --wash-a: transparent;
  --wash-b: transparent;
  --wash-c: transparent;
  --wash-d: transparent;
  --wash-e: transparent;
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  color: var(--text);
  background: var(--paper-outer);
  background-image:
    radial-gradient(circle at 20% 20%, var(--paper-speckle) 1px, transparent 1.5px),
    radial-gradient(circle at 70% 60%, var(--paper-speckle) 1px, transparent 1.5px),
    radial-gradient(circle at 40% 80%, var(--paper-speckle) 1px, transparent 1.5px);
  background-size: 80px 80px, 120px 120px, 100px 100px;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
.mono { font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace; font-variant-numeric: tabular-nums; }

#root { min-height: 100vh; }
.app { min-height: 100vh; display: flex; flex-direction: column; }

/* ---------- topbar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--card-border);
  position: sticky; top: 0; z-index: 10;
  background: linear-gradient(to bottom, var(--paper-outer) 85%, rgba(0,0,0,0));
  backdrop-filter: blur(4px);
}
.brand { display: flex; align-items: center; gap: 10px; user-select: none; }
.brand-mark {
  font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
  font-size: 26px; color: var(--accent);
  width: 36px; height: 36px; border-radius: 6px;
  display: grid; place-items: center;
  background: var(--accent);
  color: var(--paper-inner);
  box-shadow: 0 1px 0 rgba(0,0,0,0.1);
  font-weight: 500;
}
:root[data-theme="yugure"] .brand-mark { color: var(--btn-fg); }
.brand-name { font-family: 'Shippori Mincho', 'Noto Serif JP', serif; font-size: 22px; letter-spacing: 0.02em; }
.topbar-right { display: flex; align-items: center; gap: 6px; }
.icon-btn {
  width: 36px; height: 36px; border-radius: 6px;
  background: transparent; border: 1px solid var(--card-border);
  color: var(--text); cursor: pointer; font-size: 16px;
  display: grid; place-items: center;
  transition: background 0.15s, border-color 0.15s;
}
.icon-btn:hover { background: var(--chip-bg); border-color: var(--accent); color: var(--accent); }
.lang-select select {
  background: transparent; border: 1px solid var(--card-border); border-radius: 6px;
  padding: 6px 8px; color: var(--text); font: inherit; cursor: pointer;
}
.lang-select select:hover { border-color: var(--accent); }

/* ---------- language picker (topbar) ---------- */
.lang-picker { position: relative; }
.lang-picker-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: 1px solid var(--card-border);
  border-radius: 6px;
  padding: 6px 10px;
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.lang-picker-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--chip-bg);
}
.lang-picker-caret { transition: transform 0.15s; }
.lang-picker[aria-expanded="true"] .lang-picker-caret,
.lang-picker-btn[aria-expanded="true"] .lang-picker-caret { transform: rotate(180deg); }

.lang-picker-menu {
  position: absolute; top: calc(100% + 6px); right: 0;
  list-style: none; margin: 0; padding: 4px;
  min-width: 170px;
  background: var(--paper-outer);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  z-index: 50;
  animation: fadeIn 0.1s ease;
}
.lang-picker-item {
  display: flex; align-items: baseline; gap: 10px;
  width: 100%;
  background: transparent; border: none;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}
.lang-picker-item:hover { background: var(--chip-bg); color: var(--accent); }
.lang-picker-item.is-active {
  background: var(--chip-on-bg);
  color: var(--chip-on-fg);
}
.lang-picker-item.is-active:hover { background: var(--chip-on-bg); color: var(--chip-on-fg); }
.lang-code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  opacity: 0.7;
  min-width: 22px;
}
.lang-picker-item.is-active .lang-code { opacity: 0.85; }
.lang-name {
  font-family: 'Shippori Mincho', serif;
  font-size: 14px;
}

/* ---------- welcome ---------- */
.welcome { flex: 1; display: grid; place-items: center; padding: 24px 16px 80px; }
.welcome-inner { max-width: 420px; width: 100%; text-align: center; }

.brush-seal {
  display: inline-grid; place-items: center;
  width: 72px; height: 72px; margin: 0 auto 12px;
  font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
  font-size: 40px; color: var(--paper-inner);
  background: var(--accent);
  border-radius: 8px;
  box-shadow: 0 2px 0 rgba(0,0,0,0.08), inset 0 0 0 2px rgba(255,255,255,0.06);
  transform: rotate(-2deg);
}
.brush-seal.small { width: 56px; height: 56px; font-size: 30px; }
.brush-seal.tiny { width: 44px; height: 44px; font-size: 24px; }
:root[data-theme="yugure"] .brush-seal { color: var(--btn-fg); }

.title {
  font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
  font-size: clamp(34px, 8vw, 48px);
  letter-spacing: 0.02em;
  margin: 6px 0 4px;
  font-weight: 500;
}
.tagline {
  font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
  color: var(--text-muted); font-style: italic;
  margin: 0 0 24px; font-size: 15px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 20px;
  text-align: left;
  box-shadow: var(--shadow);
}
.field { margin-bottom: 18px; }
.field > label {
  display: block;
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 10px;
  font-weight: 500;
}

.size-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
.chip {
  background: var(--chip-bg);
  border: 1px solid var(--card-border);
  padding: 10px 6px; border-radius: 6px;
  font: inherit; color: var(--text);
  cursor: pointer; transition: all 0.15s;
  font-family: 'Shippori Mincho', serif; font-size: 15px;
}
.chip:hover { border-color: var(--accent); }
.chip.on { background: var(--chip-on-bg); color: var(--chip-on-fg); border-color: var(--chip-on-bg); }

.custom-size { display: flex; gap: 10px; }
.custom-size label {
  flex: 1; display: flex; flex-direction: column; gap: 4px;
  font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em;
}
.custom-size input {
  background: var(--paper-inner);
  border: 1px solid var(--card-border);
  padding: 8px 10px; border-radius: 6px;
  font: inherit; color: var(--text);
  width: 100%;
}
.custom-size input:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }

.seg { display: flex; background: var(--chip-bg); border-radius: 6px; padding: 3px; gap: 2px; }
.seg-btn {
  flex: 1; padding: 8px 10px; border-radius: 4px;
  background: transparent; border: none; color: var(--text-muted); cursor: pointer;
  font: inherit; font-size: 13px;
  transition: background 0.15s, color 0.15s;
}
.seg-btn:hover { color: var(--text); }
.seg-btn.on { background: var(--chip-on-bg); color: var(--chip-on-fg); }

.primary-btn {
  width: 100%;
  padding: 14px;
  background: var(--btn-bg); color: var(--btn-fg);
  border: none; border-radius: 6px;
  font: inherit; font-size: 15px; font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.15s, transform 0.08s;
}
.primary-btn:hover:not(:disabled) { background: var(--btn-hover); }
.primary-btn:active:not(:disabled) { transform: translateY(1px); }
.primary-btn:disabled { opacity: 0.6; cursor: wait; }
.primary-btn.small { padding: 8px 14px; width: auto; font-size: 13px; }

.link-btn {
  display: block; margin: 16px auto 0;
  background: transparent; border: none; font: inherit;
  color: var(--text-muted); cursor: pointer;
  text-decoration: underline; text-underline-offset: 4px;
  font-size: 14px;
}
.link-btn:hover { color: var(--accent); }

/* ---------- play layout ---------- */
.play-layout {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 16px 16px 40px;
  gap: 16px;
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
}
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
}
.meta-row { display: flex; flex-direction: column; align-items: center; line-height: 1.2; }
.meta-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-muted); }
.meta-val { font-family: 'Shippori Mincho', serif; font-size: 17px; margin-top: 2px; }
.meta-val.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
.meta-actions { display: flex; gap: 8px; margin-left: auto; }
.ghost-btn {
  background: transparent; border: 1px solid var(--card-border);
  color: var(--text); padding: 7px 12px; border-radius: 6px;
  cursor: pointer; font: inherit; font-size: 13px;
  transition: all 0.15s;
}
.ghost-btn:hover { border-color: var(--accent); color: var(--accent); }
.ghost-btn.on { color: var(--accent); border-color: var(--accent); }
.ghost-btn.small { padding: 5px 10px; font-size: 12px; }

.play-main { display: flex; flex-direction: column; gap: 16px; align-items: center; }

.grid-wrap {
  width: 100%;
  max-width: 520px;
  aspect-ratio: var(--grid-aspect, 1);
  position: relative;
}
.suguru-svg {
  width: 100%; height: 100%; display: block;
  background: var(--paper-inner);
  border-radius: 4px;
  box-shadow: var(--shadow);
}
.grid-wrap.completed .suguru-svg { box-shadow: 0 0 0 2px var(--accent), var(--shadow); }

.paused-card {
  width: 100%; max-width: 520px; aspect-ratio: 1;
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 4px;
  display: grid; place-items: center; gap: 16px;
  box-shadow: var(--shadow);
}
.paused-card .primary-btn { width: auto; padding: 10px 22px; }

.complete-banner {
  display: flex; align-items: center; gap: 14px;
  background: var(--card-bg); border: 1px solid var(--accent);
  padding: 12px 16px; border-radius: 8px;
  width: 100%; max-width: 520px;
  box-shadow: 0 0 0 3px var(--select-fill);
}
.complete-banner strong { font-family: 'Shippori Mincho', serif; font-size: 16px; display: block; }
.complete-banner .mono { color: var(--text-muted); font-size: 13px; }
.complete-banner .primary-btn { margin-left: auto; }

/* ---------- numpad ---------- */
.numpad {
  width: 100%; max-width: 520px;
  display: flex; flex-direction: column; gap: 8px;
}
.numpad-row { display: flex; gap: 6px; }
.num-btn {
  flex: 1;
  aspect-ratio: 1;
  max-height: 72px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  cursor: pointer;
  font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
  font-size: clamp(22px, 6vw, 30px);
  color: var(--text);
  transition: all 0.1s;
  display: grid; place-items: center;
}
.num-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.num-btn:active:not(:disabled) { transform: translateY(0); }
.num-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.num-btn.done { opacity: 0.5; }

.numpad-row.small { gap: 6px; }
.util-btn {
  flex: 1;
  padding: 10px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  color: var(--text);
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: all 0.15s;
}
.util-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.util-btn.on {
  background: var(--chip-on-bg); color: var(--chip-on-fg);
  border-color: var(--chip-on-bg);
}
.util-btn .glyph { font-size: 16px; }

/* ---------- controls ---------- */
.controls-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  width: 100%; max-width: 520px;
}
.ctl-btn {
  padding: 10px 6px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  cursor: pointer;
  font: inherit; font-size: 12px;
  color: var(--text);
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  transition: all 0.15s;
}
.ctl-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.ctl-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.ctl-btn .glyph { font-size: 16px; line-height: 1; }
.ctl-btn.accent { background: var(--btn-bg); color: var(--btn-fg); border-color: var(--btn-bg); }
.ctl-btn.accent:hover:not(:disabled) { background: var(--btn-hover); color: var(--btn-fg); }

/* ---------- modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(20, 15, 10, 0.45);
  display: grid; place-items: center;
  z-index: 100;
  padding: 20px;
  animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; } }
.modal {
  background: var(--paper-outer);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  width: 100%; max-height: 85vh;
  display: flex; flex-direction: column;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
  overflow: hidden;
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--card-border);
}
.modal-head h3 {
  margin: 0;
  font-family: 'Shippori Mincho', serif;
  font-size: 20px; font-weight: 500;
}
.modal-body { padding: 20px; overflow-y: auto; }

/* Confirm/alert dialog — compact variant used by confirmAsync/notify */
.confirm-modal { max-width: 420px; }
.confirm-modal .modal-body { padding: 24px 24px 20px; }
.confirm-message {
  font-family: 'Shippori Mincho', serif;
  font-size: 16px;
  color: var(--text);
  margin: 0 0 20px;
  line-height: 1.5;
}
.confirm-actions {
  display: flex; justify-content: flex-end; gap: 10px;
}

/* Glossary modal — list of techniques with descriptions */
.glossary-list { margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.glossary-item {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
}
.glossary-item.is-current {
  border-color: var(--accent);
  background: var(--select-fill);
}
.glossary-item dt {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  font-size: 15px;
  color: var(--text);
  margin: 0 0 4px;
}
.glossary-item dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-muted);
}

/* Clickable meta-row variant (for the grade link to glossary) */
.meta-row-btn {
  all: unset;
  display: flex; flex-direction: column; align-items: center; line-height: 1.2;
  cursor: pointer;
  border-radius: 6px;
  padding: 2px 4px;
  transition: background 0.15s;
}
.meta-row-btn:hover { background: var(--select-fill); }
.meta-val-link { text-decoration: underline dotted; text-underline-offset: 3px; }
.prose { font-size: 15px; line-height: 1.65; color: var(--text); margin: 0 0 14px; }
.prose.muted { color: var(--text-muted); font-size: 13px; }
.prose.small { font-size: 12px; }
.rule-example { display: grid; place-items: center; margin: 16px 0 20px; }
.mini-demo { width: 180px; height: 180px; }

/* ---------- list / history ---------- */
.tab-row { display: flex; gap: 2px; border-bottom: 1px solid var(--card-border); margin-bottom: 16px; }
.tab {
  padding: 10px 14px;
  background: transparent; border: none; cursor: pointer;
  font: inherit; color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab.on { color: var(--accent); border-bottom-color: var(--accent); }

.list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.list-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
}
.list-mini { flex-shrink: 0; width: 64px; height: 64px; }
.list-meta { flex: 1; min-width: 0; }
.list-title { font-family: 'Shippori Mincho', serif; font-size: 15px; }
.list-sub { font-size: 12px; color: var(--text-muted); }
.list-actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

.stats-table { width: 100%; border-collapse: collapse; }
.stats-table th, .stats-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--card-border); }
.stats-table th { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); font-weight: 500; }

/* ---------- tweaks panel ---------- */
.tweaks-panel {
  position: fixed; right: 14px; bottom: 14px;
  width: 280px;
  background: var(--paper-outer);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
  z-index: 50;
  overflow: hidden;
}
.tweaks-head {
  padding: 12px 14px;
  border-bottom: 1px solid var(--card-border);
  font-family: 'Shippori Mincho', serif; font-size: 14px;
  display: flex; align-items: center; gap: 8px;
}
.tweaks-body { padding: 14px; display: flex; flex-direction: column; gap: 14px; }
.tweak label {
  display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-muted); margin-bottom: 6px;
}

/* ---------- print ---------- */
.print-root { min-height: 100vh; background: var(--paper-outer); }
.print-setup { padding: 24px 16px; max-width: 540px; margin: 0 auto; }
.print-progress {
  margin-top: 12px;
  display: flex; align-items: center; gap: 10px;
}
.print-progress-bar {
  flex: 1; height: 6px;
  background: var(--ink-3); border-radius: 999px;
  overflow: hidden;
}
.print-progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s ease;
}
.print-progress-label { white-space: nowrap; font-variant-numeric: tabular-nums; }
.print-sheet {
  max-width: 900px; margin: 0 auto;
  padding: 24px 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  background: white;
  color: #111;
}
.print-puzzle {
  background: white;
  border: 1px solid #e5e5e5;
  padding: 12px;
  break-inside: avoid;
}
.print-head {
  display: flex; justify-content: space-between;
  font-family: 'Shippori Mincho', serif; font-size: 14px;
  color: #111; margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid #eee;
}
.print-grid { width: 100%; height: auto; display: block; }
.print-empty { text-align: center; padding: 60px 0; }

.solutions-page {
  max-width: 900px;
  margin: 40px auto 0;
  padding: 30px 16px 24px;
  border-top: 2px dashed #ccc;
  break-before: page;
  page-break-before: always;
  background: white;
  color: #111;
}
.solutions-page h2 {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500; margin: 0 0 20px;
  color: #111;
}
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.print-puzzle.small { padding: 8px; }
.print-puzzle.small .print-head { font-size: 11px; }

.row { display: flex; gap: 8px; align-items: center; }
.row .primary-btn { flex: 1; }
.muted { color: var(--text-muted); }

@media print {
  body { background: white; }
  .noprint { display: none !important; }
  .topbar, .tweaks-panel { display: none !important; }
  .print-sheet { padding: 0; grid-template-columns: 1fr 1fr; }
  .print-puzzle { border: none; padding: 8px; }
  .solutions-page { break-before: page; page-break-before: always; border-top: none; margin-top: 0; padding-top: 0; }
}

/* ---------- responsive ---------- */
@media (min-width: 780px) {
  .play-layout {
    max-width: 880px;
    flex-direction: row;
    align-items: flex-start;
    gap: 24px;
    padding: 28px 24px 60px;
  }
  .meta {
    flex-direction: column;
    align-items: stretch;
    width: 220px;
    gap: 18px;
    position: sticky;
    top: 90px;
    padding: 18px;
  }
  .meta-row { flex-direction: row; justify-content: space-between; align-items: baseline; gap: 12px; }
  .meta-row .meta-val { text-align: right; }
  .meta-row-btn { flex-direction: row; justify-content: space-between; align-items: baseline; gap: 12px; }
  .meta-row-btn .meta-val { text-align: right; }
  .meta-actions { margin: 0; }
  .play-main { flex: 1; min-width: 0; }
  .grid-wrap { max-width: 560px; margin: 0 auto; }
  .numpad, .controls-row, .complete-banner { max-width: 560px; margin-left: auto; margin-right: auto; }
}

@media (max-width: 380px) {
  .controls-row { grid-template-columns: repeat(4, 1fr); }
  .ctl-btn { font-size: 11px; padding: 8px 4px; }
  .num-btn { font-size: 22px; }
}


/* ---------- Kotoba loader ---------- */
.kotoba-overlay {
  position: fixed; inset: 0; z-index: 50;
  background: var(--paper-outer);
  display: grid; place-items: center;
  padding: 18px;
  animation: fadeIn 0.25s ease;
}
.kotoba-card {
  width: 100%; max-width: 440px;
  background: var(--paper-inner);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 22px 22px 18px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.18), 0 2px 0 rgba(0,0,0,0.04);
  position: relative;
  overflow: hidden;
}
.kotoba-card::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, var(--paper-speckle) 1px, transparent 1.5px),
    radial-gradient(circle at 70% 80%, var(--paper-speckle) 1px, transparent 1.5px);
  background-size: 60px 60px, 80px 80px;
  pointer-events: none;
  opacity: 0.7;
}
.kotoba-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
}
.kotoba-label {
  display: flex; align-items: center; gap: 8px;
  font-family: 'Shippori Mincho', serif;
  text-transform: none;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text);
}
.kanji-dot {
  font-family: 'Shippori Mincho', serif;
  width: 24px; height: 24px; border-radius: 4px;
  background: var(--accent); color: var(--paper-inner);
  display: grid; place-items: center;
  font-size: 14px;
}
.kotoba-prog {
  display: flex; align-items: center; gap: 8px;
}
.kotoba-gen { font-style: italic; text-transform: none; letter-spacing: 0; }
.kotoba-dots { display: inline-flex; gap: 3px; }
.kotoba-dots .kd {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent);
  opacity: 0.3;
  animation: kotobaPulse 1.2s ease-in-out infinite;
}
.kotoba-dots .kd-0 { animation-delay: 0s; }
.kotoba-dots .kd-1 { animation-delay: 0.2s; }
.kotoba-dots .kd-2 { animation-delay: 0.4s; }
@keyframes kotobaPulse {
  0%, 100% { opacity: 0.25; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.15); }
}

/* Batch progress (shown only when generating >1 puzzle, e.g. print pack) */
.kotoba-batch {
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px solid var(--ink-3);
  border-radius: 8px;
  background: var(--paper-outer);
}
.kotoba-batch-label {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.kotoba-batch-count {
  font-variant-numeric: tabular-nums;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}
.kotoba-batch-bar {
  height: 5px;
  background: var(--ink-3);
  border-radius: 999px;
  overflow: hidden;
}
.kotoba-batch-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.35s ease;
}

.kotoba-word {
  text-align: center;
  padding: 22px 8px 16px;
  position: relative;
  animation: kotobaIn 0.35s ease;
}
@keyframes kotobaIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.kotoba-jp {
  font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
  font-size: 72px;
  line-height: 1;
  color: var(--ink-given);
  letter-spacing: 0.02em;
  font-weight: 500;
}
.kotoba-kana {
  margin-top: 10px;
  font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
  font-size: 18px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
.kotoba-romaji {
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
  letter-spacing: 0.05em;
}

.kotoba-prompt {
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 4px 0 10px;
  position: relative;
}

.kotoba-choices {
  display: flex; flex-direction: column; gap: 8px;
  position: relative;
}
.kotoba-choice {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  padding: 13px 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
}
.kotoba-choice:hover:not(:disabled) {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.kotoba-choice:disabled { cursor: default; }
.kotoba-choice.correct {
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent) 12%, var(--paper-inner));
  color: var(--accent-ink);
}
.kotoba-choice.wrong {
  border-color: color-mix(in oklab, var(--ink-given) 30%, transparent);
  background: color-mix(in oklab, var(--ink-given) 6%, var(--paper-inner));
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}
.kotoba-choice.faded { opacity: 0.5; }
.kc-mark {
  font-size: 16px;
  margin-left: 10px;
}

.kotoba-feedback {
  margin-top: 12px;
  font-size: 13px;
  font-style: italic;
  text-align: center;
  color: var(--text-muted);
  animation: kotobaIn 0.25s ease;
}
.kotoba-feedback.ok { color: var(--accent); }

.kotoba-foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--card-border);
  font-size: 12px;
  color: var(--text-muted);
  position: relative;
}
.kotoba-stats { display: flex; align-items: center; gap: 14px; }
.kotoba-stats b { color: var(--text); font-weight: 500; }
.kotoba-stats .streak {
  color: var(--accent);
}
.kotoba-skip {
  padding: 6px 12px;
  font-size: 12px;
}

@media (max-width: 500px) {
  .kotoba-card { padding: 18px 16px 14px; }
  .kotoba-jp { font-size: 60px; }
  .kotoba-choice { padding: 12px 14px; font-size: 14px; }
}