:root {
  --bg: #edf1f7;
  --panel: #ffffff;
  --ink: #17233a;
  --muted: #667085;
  --line: #d6deea;
  --primary: #234f91;
  --primary-dark: #173867;
  --gold: #e7b33e;
  --success: #177a45;
  --danger: #b42318;
  --black-side: #1e3558;
  --white-side: #8b3b30;
  --shadow: 0 12px 32px rgba(24, 39, 75, 0.12);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; touch-action: manipulation; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: linear-gradient(180deg, #f8fafc 0, var(--bg) 100%);
  font-family: "Yu Gothic UI", "Yu Gothic", "Hiragino Kaku Gothic ProN", system-ui, sans-serif;
  overscroll-behavior: none;
}
button, select { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }

.app-shell { min-height: 100vh; }
.screen { display: none; }
.screen.active { display: block; }
.hero {
  padding: calc(20px + env(safe-area-inset-top)) 24px 22px;
  color: white;
  background: linear-gradient(135deg, #17233a 0%, #254f86 70%, #2d68a5 100%);
}
.hero h1 { margin: 4px 0 8px; font-size: clamp(1.65rem, 4vw, 2.35rem); }
.hero p { margin: 0; opacity: .9; }
.eyebrow { font-size: .75rem; font-weight: 800; letter-spacing: .16em; }
.home-grid {
  width: min(1100px, calc(100% - 28px));
  margin: 20px auto 40px;
  display: grid;
  grid-template-columns: minmax(280px, 1.1fr) minmax(280px, 1fr);
  gap: 18px;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
}
.start-panel { grid-row: span 2; }
.panel h2 { margin: 0 0 16px; font-size: 1.18rem; }
label { display: grid; gap: 7px; margin-bottom: 16px; font-weight: 700; }
select {
  width: 100%; min-height: 48px; padding: 0 12px;
  border: 1px solid #b9c5d6; border-radius: 11px; background: white;
}
fieldset { border: 0; padding: 0; margin: 0 0 18px; }
legend { margin-bottom: 8px; font-weight: 700; }
.side-choice { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.side-button {
  min-height: 78px; border: 2px solid var(--line); border-radius: 13px;
  background: white; color: var(--ink); display: grid; gap: 3px; place-content: center;
}
.side-button strong { font-size: 1.05rem; }
.side-button span { font-size: .76rem; color: var(--muted); }
.side-button.active { border-color: var(--primary); background: #eef5ff; box-shadow: inset 0 0 0 1px var(--primary); }
.primary-button, .secondary-button, .text-button {
  min-height: 48px; border-radius: 12px; padding: 0 18px; font-weight: 800; cursor: pointer;
}
.primary-button { border: 0; color: white; background: var(--primary); }
.primary-button:active { background: var(--primary-dark); transform: translateY(1px); }
.secondary-button { border: 1px solid #aebbd0; color: var(--ink); background: white; }
.text-button { border: 0; color: var(--muted); background: transparent; }
.start-panel > .primary-button { width: 100%; }
.section-title-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.count-badge { min-width: 30px; padding: 4px 9px; border-radius: 999px; color: white; background: var(--primary); text-align: center; font-weight: 800; }
.subtle { color: var(--muted); font-size: .8rem; }
.list-box { display: grid; gap: 9px; }
.empty-state { color: var(--muted); padding: 18px 4px; }
.list-item {
  width: 100%; border: 1px solid var(--line); border-radius: 11px; background: #f9fbfd;
  padding: 12px; text-align: left; color: var(--ink); display: grid; gap: 3px;
}
.list-item strong { font-size: .92rem; }
.list-item span { color: var(--muted); font-size: .78rem; }

.training-screen { min-height: 100vh; }
.training-header {
  position: sticky; top: 0; z-index: 20;
  min-height: calc(60px + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) 12px 0;
  display: grid; grid-template-columns: 48px 1fr 48px; align-items: center;
  background: rgba(23, 35, 58, .97); color: white; box-shadow: 0 3px 16px rgba(0,0,0,.18);
}
.icon-button {
  width: 44px; height: 44px; border: 0; border-radius: 11px; background: rgba(255,255,255,.12); color: white;
  font-size: 1.4rem; font-weight: 700;
}
.bookmark-button.active { color: #ffd967; background: rgba(255,217,103,.18); }
.training-title { min-width: 0; text-align: center; display: grid; }
.training-title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.training-title span { font-size: .78rem; opacity: .8; }
.training-layout {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: 10px 10px calc(24px + env(safe-area-inset-bottom));
  display: grid; gap: 10px;
}
.hand-panel {
  border: 2px solid var(--line); border-radius: 14px; background: white; box-shadow: 0 5px 16px rgba(24,39,75,.08);
  padding: 9px 10px;
}
.opponent-hand { border-color: color-mix(in srgb, var(--white-side) 45%, white); }
.user-hand { border-color: color-mix(in srgb, var(--black-side) 45%, white); }
.hand-heading { display: flex; align-items: center; gap: 8px; margin-bottom: 7px; font-size: .88rem; }
.side-badge { color: white; background: var(--white-side); border-radius: 999px; padding: 3px 9px; font-size: .76rem; }
.side-badge.black { background: var(--black-side); }
.hand-pieces { min-height: 56px; display: flex; align-items: center; flex-wrap: wrap; gap: 5px; }
.hand-empty { color: var(--muted); font-size: .85rem; padding-left: 4px; }
.hand-piece {
  position: relative; width: 49px; height: 53px; border: 1px solid transparent; border-radius: 9px; background: #f7f8fa;
  display: grid; place-items: center; padding: 2px;
}
.hand-piece.interactive { cursor: pointer; border-color: #b8c5d6; }
.hand-piece.selected { border: 3px solid var(--gold); background: #fff8df; }
.hand-piece img { max-width: 92%; max-height: 92%; object-fit: contain; pointer-events: none; }
.piece-count {
  position: absolute; right: -3px; bottom: -3px; min-width: 22px; height: 22px; border-radius: 999px;
  display: grid; place-items: center; color: white; background: #17233a; border: 2px solid white; font-size: .75rem; font-weight: 900;
}
.board-section { display: grid; gap: 8px; }
.coordinate-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 25px;
  grid-template-rows: 24px auto;
  width: min(100%, 670px);
  margin: 0 auto;
}
.file-labels { grid-column: 1; grid-row: 1; display: grid; grid-template-columns: repeat(9, 1fr); align-items: center; text-align: center; font-weight: 800; font-size: clamp(.74rem, 2.5vw, 1rem); }
.rank-labels { grid-column: 2; grid-row: 2; display: grid; grid-template-rows: repeat(9, 1fr); align-items: center; justify-items: center; font-weight: 800; font-size: clamp(.74rem, 2.5vw, 1rem); }
.board {
  grid-column: 1; grid-row: 2;
  position: relative;
  width: 100%; aspect-ratio: 855 / 938;
  display: grid; grid-template-columns: repeat(9, 1fr); grid-template-rows: repeat(9, 1fr);
  background: url('assets/board.png') center / 100% 100% no-repeat;
  box-shadow: 0 6px 16px rgba(55, 35, 5, .18);
  user-select: none; -webkit-user-select: none;
}
.square {
  position: relative; border: 0; background: transparent; padding: 0; min-width: 0; min-height: 0;
  display: grid; place-items: center; touch-action: manipulation;
}
.square::after { content: ''; position: absolute; inset: 4%; border-radius: 6px; pointer-events: none; }
.square.selected::after { border: 4px solid var(--gold); background: rgba(255, 222, 105, .18); }
.square.last-move::after { background: rgba(49, 115, 202, .16); }
.square.answer::after { border: 4px solid var(--success); background: rgba(23, 122, 69, .2); }
.square.wrong::after { border: 4px solid var(--danger); background: rgba(180,35,24,.2); }
.piece-image { width: 90%; height: 92%; object-fit: contain; pointer-events: none; filter: drop-shadow(0 1px 1px rgba(0,0,0,.12)); }
.board.white-view .piece-image, .white-view-piece { transform: rotate(180deg); }
.evaluation-panel {
  min-height: 72px;
  display: grid;
  grid-template-columns: minmax(130px, 1fr) auto;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 2px 14px;
  padding: 10px 14px;
  border: 1px solid #aebbd0;
  border-radius: 13px;
  background: linear-gradient(135deg, #ffffff 0%, #f4f7fb 100%);
  box-shadow: 0 4px 12px rgba(24,39,75,.07);
}
.evaluation-heading { display: grid; gap: 1px; }
.evaluation-heading > span { font-size: .92rem; font-weight: 900; }
.evaluation-heading small { color: var(--muted); font-size: .7rem; }
.evaluation-value {
  grid-column: 2;
  grid-row: 1 / span 2;
  min-width: 92px;
  text-align: right;
  font-size: clamp(1.45rem, 5vw, 2rem);
  line-height: 1;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
}
.evaluation-detail { color: var(--muted); font-size: .74rem; }
.evaluation-panel.positive { border-color: #7facdc; background: linear-gradient(135deg, #f6fbff 0%, #eaf4ff 100%); }
.evaluation-panel.positive .evaluation-value { color: #175ca8; }
.evaluation-panel.negative { border-color: #e1a099; background: linear-gradient(135deg, #fff9f8 0%, #fff0ee 100%); }
.evaluation-panel.negative .evaluation-value { color: #ad2f24; }
.evaluation-panel.even .evaluation-value { color: var(--ink); }
.evaluation-panel.unavailable .evaluation-value { color: #7b8493; font-size: 1.25rem; }

.feedback {
  min-height: 48px; border-radius: 12px; padding: 10px 14px; display: grid; place-items: center;
  text-align: center; font-weight: 800; border: 1px solid var(--line); background: white;
}
.feedback.success { color: var(--success); border-color: #8bd1aa; background: #edf9f2; }
.feedback.error { color: var(--danger); border-color: #e9a39c; background: #fff1ef; }
.feedback.neutral { color: var(--ink); }
.training-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.promotion-dialog { width: min(420px, calc(100% - 30px)); border: 0; border-radius: 18px; padding: 0; box-shadow: 0 20px 60px rgba(0,0,0,.28); }
.promotion-dialog::backdrop { background: rgba(10,18,32,.58); }
.promotion-dialog form { padding: 22px; }
.promotion-dialog h2 { margin: 0 0 8px; }
.promotion-dialog p { margin: 0 0 18px; color: var(--muted); }
.dialog-buttons { display: grid; gap: 8px; }

@media (max-width: 740px) {
  .home-grid { grid-template-columns: 1fr; width: min(100% - 20px, 560px); }
  .start-panel { grid-row: auto; }
}

@media (min-width: 900px) and (orientation: landscape) {
  .training-layout {
    width: min(1180px, calc(100% - 24px));
    grid-template-columns: minmax(170px, 230px) minmax(430px, 650px) minmax(170px, 230px);
    grid-template-rows: auto auto;
    align-items: center;
  }
  .opponent-hand { grid-column: 1; grid-row: 1; align-self: stretch; }
  .board-section { grid-column: 2; grid-row: 1 / span 2; }
  .user-hand { grid-column: 3; grid-row: 1; align-self: stretch; }
  .training-actions { grid-column: 1 / 2; grid-row: 2; align-self: start; grid-template-columns: 1fr; }
  .hand-pieces { align-content: start; }
}

/* Tree training controls */
.start-panel { grid-row: span 3; }
.step-block {
  position: relative;
  padding-left: 42px;
  margin-bottom: 20px;
}
.step-number {
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #17233a;
  color: white;
  font-weight: 900;
}
.step-block label, .step-block fieldset { margin-bottom: 0; }
.opening-stats {
  margin-top: 7px;
  color: var(--muted);
  font-size: .78rem;
}
.mode-choice { display: grid; gap: 9px; }
.mode-button {
  min-height: 66px;
  width: 100%;
  border: 2px solid var(--line);
  border-radius: 13px;
  background: white;
  color: var(--ink);
  padding: 10px 13px;
  display: grid;
  gap: 3px;
  text-align: left;
}
.mode-button strong { font-size: 1rem; }
.mode-button span { font-size: .76rem; color: var(--muted); }
.mode-button.active {
  border-color: var(--primary);
  background: #eef5ff;
  box-shadow: inset 0 0 0 1px var(--primary);
}
.specified-panel {
  margin: -2px 0 18px 42px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #f7f9fc;
}
.specified-panel[hidden] { display: none; }
.specified-panel input[type="search"] {
  width: 100%;
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid #b9c5d6;
  border-radius: 11px;
  background: white;
}
.specified-summary {
  color: var(--muted);
  font-size: .76rem;
  margin: -5px 0 9px;
}
.leaf-list {
  max-height: 310px;
  overflow: auto;
  display: grid;
  gap: 7px;
  padding-right: 3px;
}
.leaf-option {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
  color: var(--ink);
  padding: 10px;
  text-align: left;
  display: grid;
  gap: 3px;
}
.leaf-option strong { font-size: .84rem; }
.leaf-option span { color: var(--muted); font-size: .72rem; }
.leaf-option.active {
  border: 2px solid var(--primary);
  background: #eef5ff;
}
.start-notice {
  min-height: 34px;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: .8rem;
  display: flex;
  align-items: center;
}
.panel-note { margin: -8px 0 13px; color: var(--muted); font-size: .78rem; line-height: 1.55; }
.muted-badge { background: #687488; }
.list-item-row {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #f9fbfd;
  padding: 10px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}
.list-item-copy { min-width: 0; display: grid; gap: 3px; }
.list-item-copy strong { font-size: .86rem; overflow-wrap: anywhere; }
.list-item-copy span { color: var(--muted); font-size: .74rem; }
.mini-button {
  min-height: 36px;
  border: 1px solid #aebbd0;
  border-radius: 9px;
  background: white;
  color: var(--ink);
  font-weight: 800;
  padding: 0 11px;
}
.completion-panel {
  border: 1px solid #8fb2db;
  border-radius: 14px;
  background: linear-gradient(135deg, #f7fbff, #eaf3ff);
  padding: 14px;
  display: grid;
  gap: 11px;
}
.completion-panel[hidden] { display: none; }
.completion-panel > div:first-child { display: grid; gap: 3px; }
.completion-panel > div:first-child strong { font-size: 1rem; }
.completion-panel > div:first-child span { color: var(--muted); font-size: .8rem; }
.completion-panel small { color: var(--muted); font-size: .7rem; }
.completion-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.danger-outline-button {
  min-height: 48px;
  border: 1px solid #d48880;
  border-radius: 12px;
  background: white;
  color: #9f3027;
  font-weight: 800;
  padding: 0 12px;
}
.danger-outline-button.active {
  border-color: #8895a7;
  color: #4e5b6e;
  background: #f2f4f7;
}

@media (max-width: 740px) {
  .start-panel { grid-row: auto; }
  .specified-panel { margin-left: 0; }
  .completion-actions { grid-template-columns: 1fr; }
}

.data-status {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #cfd7e5;
  background: #f6f8fc;
  font-size: 0.82rem;
}
.data-status strong { color: #17233a; overflow-wrap: anywhere; }
.data-status span { color: #526079; }
.data-status.ready { border-color: #b9ddc4; background: #f0faf3; }
.data-status.ready span { color: #24713b; }
.data-status.pending { border-color: #ead7a2; background: #fff9e9; }
.data-status.pending span { color: #8a6515; }
.bookmark-button:disabled { opacity: 0.45; cursor: not-allowed; }

/* v0.4: training screen fits inside one viewport on PC / Android tablet / iPad */
body.training-active {
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}
body.training-active .app-shell {
  height: 100%;
  min-height: 0;
}
.training-screen.active {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
}
.training-screen .training-header {
  position: relative;
  top: auto;
  min-height: calc(54px + env(safe-area-inset-top));
  height: calc(54px + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) max(8px, env(safe-area-inset-right)) 0 max(8px, env(safe-area-inset-left));
  grid-template-columns: 42px minmax(0, 1fr) 42px;
}
.training-screen .icon-button {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  font-size: 1.25rem;
}
.training-screen .training-title strong { font-size: .94rem; }
.training-screen .training-title span { font-size: .7rem; opacity: .82; }

.training-layout {
  width: 100%;
  height: 100%;
  min-height: 0;
  margin: 0;
  padding: 6px max(7px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(7px, env(safe-area-inset-left));
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(210px, .88fr);
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
  grid-template-areas:
    "moveinfo evaluation"
    "opponent opponent"
    "board board"
    "user user"
    "feedback actions";
  gap: 6px;
  overflow: hidden;
}
.left-rail, .right-rail { display: contents; }
.opponent-hand { grid-area: opponent; }
.move-information { grid-area: moveinfo; }
.board-section { grid-area: board; }
.evaluation-panel { grid-area: evaluation; }
.user-hand { grid-area: user; }
.feedback { grid-area: feedback; }
.training-actions { grid-area: actions; }

.move-information {
  min-width: 0;
  min-height: 62px;
  display: grid;
  grid-template-columns: minmax(108px, .8fr) minmax(145px, 1.2fr);
  align-items: stretch;
  border: 1px solid #aebbd0;
  border-radius: 12px;
  background: linear-gradient(135deg, #ffffff 0%, #f3f7fc 100%);
  box-shadow: 0 3px 10px rgba(24,39,75,.06);
  overflow: hidden;
}
.move-information-item {
  min-width: 0;
  display: grid;
  align-content: center;
  gap: 2px;
  padding: 6px 10px;
}
.move-information-item + .move-information-item { border-left: 1px solid var(--line); }
.information-label {
  color: var(--muted);
  font-size: .64rem;
  font-weight: 800;
  line-height: 1.1;
}
.current-move-line {
  display: flex;
  align-items: baseline;
  gap: 7px;
  white-space: nowrap;
}
.current-move-line strong {
  font-size: clamp(1.15rem, 3.3vw, 1.55rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.current-move-line span {
  color: var(--primary-dark);
  font-size: .76rem;
  font-weight: 900;
}
.last-move-item strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: clamp(1rem, 3.1vw, 1.42rem);
  line-height: 1.1;
  letter-spacing: .02em;
}

.training-screen .hand-panel {
  min-height: 56px;
  border-width: 1px;
  border-radius: 11px;
  padding: 5px 8px;
  box-shadow: 0 2px 8px rgba(24,39,75,.06);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 7px;
  overflow: hidden;
}
.training-screen .hand-heading {
  margin: 0;
  gap: 5px;
  font-size: .76rem;
  white-space: nowrap;
}
.training-screen .hand-heading strong { max-width: 145px; overflow: hidden; text-overflow: ellipsis; }
.training-screen .side-badge { padding: 2px 7px; font-size: .68rem; }
.training-screen .hand-pieces {
  min-height: 42px;
  flex-wrap: nowrap;
  justify-content: flex-start;
  gap: 3px;
  overflow: hidden;
}
.training-screen .hand-piece {
  flex: 0 0 39px;
  width: 39px;
  height: 42px;
  border-radius: 7px;
  padding: 1px;
}
.training-screen .piece-count {
  right: -1px;
  bottom: -1px;
  min-width: 18px;
  height: 18px;
  border-width: 1px;
  font-size: .64rem;
}
.training-screen .hand-empty { font-size: .76rem; }

.training-screen .board-section {
  min-width: 0;
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.training-screen .coordinate-board {
  width: min(100%, 730px, calc((100dvh - 340px) * 0.9115));
  min-width: 0;
  max-height: 100%;
  margin: 0 auto;
  grid-template-columns: minmax(0, 1fr) 21px;
  grid-template-rows: 18px auto;
}
.training-screen .file-labels,
.training-screen .rank-labels { font-size: clamp(.68rem, 2.1vw, .92rem); }
.training-screen .board { box-shadow: 0 3px 10px rgba(55,35,5,.16); }
.training-screen .square::after { inset: 3%; border-radius: 4px; }

.training-screen .evaluation-panel {
  min-width: 0;
  min-height: 62px;
  height: 62px;
  grid-template-columns: minmax(105px, 1fr) auto;
  padding: 6px 9px;
  gap: 1px 8px;
  border-radius: 12px;
  box-shadow: 0 3px 10px rgba(24,39,75,.06);
  overflow: hidden;
}
.training-screen .evaluation-heading > span { font-size: .78rem; }
.training-screen .evaluation-heading small { font-size: .6rem; }
.training-screen .evaluation-value {
  min-width: 72px;
  font-size: clamp(1.2rem, 4vw, 1.7rem);
}
.training-screen .evaluation-detail {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: .62rem;
}
.training-screen .evaluation-panel.unavailable .evaluation-value { font-size: 1rem; }

.training-screen .feedback {
  min-width: 0;
  min-height: 44px;
  height: 44px;
  padding: 5px 9px;
  border-radius: 10px;
  font-size: .76rem;
  line-height: 1.25;
  overflow: hidden;
}
.training-screen .training-actions {
  min-width: 0;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
}
.training-screen .training-actions .secondary-button {
  min-width: 0;
  min-height: 44px;
  height: 44px;
  padding: 0 6px;
  border-radius: 10px;
  font-size: .76rem;
  white-space: nowrap;
}

.training-screen .completion-panel {
  position: fixed;
  z-index: 40;
  left: 50%;
  bottom: max(7px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(700px, calc(100% - 16px));
  padding: 9px 11px;
  gap: 7px;
  border-radius: 12px;
  box-shadow: 0 12px 35px rgba(18,35,60,.26);
  background: rgba(247,251,255,.98);
}
.training-screen .completion-panel > div:first-child { grid-template-columns: auto minmax(0, 1fr); align-items: baseline; gap: 8px; }
.training-screen .completion-panel > div:first-child strong { font-size: .88rem; white-space: nowrap; }
.training-screen .completion-panel > div:first-child span { font-size: .68rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.training-screen .completion-actions { gap: 6px; }
.training-screen .completion-actions button { min-height: 42px; height: 42px; font-size: .72rem; }
.training-screen .completion-panel small { font-size: .6rem; line-height: 1.2; }

@media (max-width: 640px) {
  .training-layout {
    grid-template-columns: minmax(0, 1fr) minmax(170px, .85fr);
  }
  .training-screen .coordinate-board {
    width: min(100%, calc((100dvh - 334px) * 0.9115));
  }
  .training-screen .hand-heading strong { display: none; }
  .training-screen .hand-piece { flex-basis: 36px; width: 36px; height: 39px; }
  .move-information-item { padding-inline: 7px; }
}

@media (min-width: 850px) and (orientation: landscape) {
  .training-layout {
    grid-template-columns: minmax(150px, 205px) minmax(0, 1fr) minmax(175px, 225px);
    grid-template-rows: auto auto minmax(0, 1fr) auto;
    grid-template-areas:
      "opponent board evaluation"
      "moveinfo board user"
      "moveinfo board feedback"
      "moveinfo board actions";
    align-items: stretch;
    gap: 6px;
  }
  .training-screen .coordinate-board {
    width: min(100%, 650px, calc((100dvh - 92px) * 0.9115));
  }
  .training-screen .hand-panel {
    grid-template-columns: 1fr;
    align-content: start;
    gap: 5px;
  }
  .training-screen .hand-heading { white-space: normal; }
  .training-screen .hand-heading strong { max-width: none; }
  .training-screen .hand-pieces {
    flex-wrap: wrap;
    align-content: start;
    overflow: hidden;
  }
  .move-information {
    min-height: 0;
    grid-template-columns: 1fr;
    align-content: start;
  }
  .move-information-item {
    min-height: 72px;
    align-content: center;
    padding: 9px 10px;
  }
  .move-information-item + .move-information-item {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .current-move-line { display: grid; gap: 4px; }
  .current-move-line strong { font-size: 1.45rem; }
  .last-move-item strong { font-size: 1.2rem; white-space: normal; }
  .training-screen .evaluation-panel {
    height: auto;
    min-height: 70px;
  }
  .training-screen .user-hand { min-height: 104px; }
  .training-screen .feedback {
    height: auto;
    min-height: 64px;
    max-height: 100%;
  }
  .training-screen .training-actions {
    grid-template-columns: 1fr;
  }
  .training-screen .training-actions .secondary-button { height: 40px; min-height: 40px; }
}

@media (max-height: 820px) and (orientation: landscape) {
  .training-screen .training-header {
    min-height: calc(50px + env(safe-area-inset-top));
    height: calc(50px + env(safe-area-inset-top));
  }
  .training-screen .coordinate-board {
    width: min(100%, 620px, calc((100dvh - 82px) * 0.9115));
  }
  .training-layout { padding-block: 4px; gap: 4px; }
  .training-screen .hand-piece { flex-basis: 36px; width: 36px; height: 39px; }
}

/* v0.5: HOME tabs — stable layout without cramming content */
.home-screen.active {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
  flex-direction: column;
}
.home-hero {
  flex: 0 0 auto;
  padding: calc(14px + env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) 15px max(18px, env(safe-area-inset-left));
}
.home-hero-inner {
  width: min(1080px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.home-hero h1 {
  margin: 2px 0 4px;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.15;
}
.home-hero p { font-size: .86rem; }
.home-hero .eyebrow { font-size: .66rem; }
.hero-guide {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 12px;
  background: rgba(255,255,255,.09);
  font-size: .72rem;
  white-space: nowrap;
}
.hero-guide span { opacity: .88; }
.hero-guide strong { color: #ffe18b; }

.home-workspace {
  width: min(1080px, calc(100% - 24px));
  flex: 1 1 auto;
  min-height: 0;
  margin: 12px auto 18px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 10px;
}
.home-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(255,255,255,.78);
  box-shadow: 0 5px 16px rgba(24,39,75,.07);
  backdrop-filter: blur(10px);
}
.home-tab {
  position: relative;
  min-width: 0;
  min-height: 48px;
  border: 0;
  border-radius: 11px;
  color: #526079;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 6px 10px;
  font-weight: 800;
  cursor: pointer;
}
.home-tab:hover { background: #f0f4fa; }
.home-tab.active {
  color: white;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  box-shadow: 0 5px 12px rgba(35,79,145,.22);
}
.tab-icon { font-size: 1rem; line-height: 1; }
.tab-count {
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  color: white;
  background: #315f9f;
  border: 1px solid rgba(255,255,255,.8);
  font-size: .68rem;
  font-variant-numeric: tabular-nums;
}
.home-tab.active .tab-count { color: var(--primary-dark); background: white; }
.warning-count { background: #b35c18; }
.muted-count { background: #687488; }

.home-tab-stage { min-height: 0; }
.home-tab-panel { min-height: 0; }
.home-tab-panel[hidden] { display: none !important; }
.home-tab-panel.active { display: block; animation: home-tab-in .14s ease-out; }
@keyframes home-tab-in { from { opacity: .45; transform: translateY(3px); } to { opacity: 1; transform: none; } }

.settings-panel,
.collection-panel {
  padding: 16px 18px;
  border-radius: 16px;
}
.home-panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 11px;
  margin-bottom: 13px;
  border-bottom: 1px solid #e2e7ef;
}
.home-panel-heading h2 { margin: 1px 0 0; font-size: 1.12rem; }
.home-panel-heading > p {
  max-width: 530px;
  margin: 2px 0 0;
  color: var(--muted);
  font-size: .76rem;
  line-height: 1.55;
  text-align: right;
}
.panel-kicker {
  margin: 0;
  color: var(--primary);
  font-size: .62rem;
  font-weight: 900;
  letter-spacing: .13em;
}

.settings-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr);
  gap: 12px 18px;
}
.settings-panel .step-block {
  margin: 0;
  padding-left: 38px;
}
.settings-panel .step-number {
  width: 28px;
  height: 28px;
  font-size: .82rem;
}
.settings-panel label { margin-bottom: 0; font-size: .88rem; }
.settings-panel select { min-height: 44px; }
.settings-panel fieldset { margin-bottom: 0; }
.settings-panel legend { font-size: .88rem; }
.settings-panel .side-button {
  min-height: 68px;
  padding: 7px;
}
.settings-panel .mode-step { grid-column: 1 / -1; }
.settings-panel .mode-choice {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.settings-panel .mode-button {
  min-height: 61px;
  padding: 9px 11px;
}
.settings-panel .mode-button strong { font-size: .94rem; }
.settings-panel .mode-button span { line-height: 1.35; }
.settings-panel .data-status {
  padding: 7px 9px;
  margin-top: 6px;
  font-size: .72rem;
  line-height: 1.3;
}
.settings-panel .opening-stats { font-size: .72rem; }

.settings-panel .specified-panel {
  margin: 13px 0 0;
  padding: 11px;
  display: grid;
  grid-template-columns: minmax(220px, .38fr) minmax(0, 1fr);
  gap: 11px;
}
.settings-panel .specified-panel[hidden] { display: none; }
.specified-tools { min-width: 0; }
.specified-tools label { margin-bottom: 9px; }
.settings-panel .leaf-list {
  max-height: min(270px, 31dvh);
  min-height: 108px;
  align-content: start;
}
.settings-action-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 280px);
  gap: 13px;
  align-items: center;
  margin-top: 13px;
  padding-top: 12px;
  border-top: 1px solid #e2e7ef;
}
.settings-action-row .start-notice { min-height: 0; margin: 0; line-height: 1.45; }
.start-training-button { width: 100%; min-height: 50px; }

.collection-panel {
  min-height: min(560px, calc(100dvh - 200px));
  display: grid;
  grid-template-rows: auto minmax(250px, 1fr);
}
.home-list-scroll {
  max-height: calc(100dvh - 300px);
  min-height: 250px;
  overflow: auto;
  align-content: start;
  padding: 2px 5px 4px 1px;
  overscroll-behavior: contain;
}
.home-list-scroll.empty-state {
  display: grid;
  place-items: center;
  text-align: center;
  padding: 34px 12px;
  border: 1px dashed #c9d2df;
  border-radius: 12px;
  background: #f8fafc;
}
.home-list-scroll .list-item,
.home-list-scroll .list-item-row { background: white; }
.home-list-scroll .list-item:hover,
.home-list-scroll .list-item-row:hover { border-color: #9fb4d2; background: #f5f9ff; }

@media (max-width: 760px) {
  .home-hero-inner { display: block; }
  .hero-guide { display: none; }
  .home-workspace { width: min(100% - 14px, 620px); margin-top: 8px; }
  .home-tabs { gap: 3px; padding: 4px; }
  .home-tab { min-height: 48px; gap: 4px; padding: 5px 3px; }
  .home-tab strong { font-size: .72rem; }
  .tab-icon { font-size: .88rem; }
  .tab-count { min-width: 19px; height: 19px; padding-inline: 4px; font-size: .61rem; }
  .home-panel-heading { display: block; }
  .home-panel-heading > p { margin-top: 6px; text-align: left; }
  .settings-grid { grid-template-columns: 1fr; }
  .settings-panel .mode-step { grid-column: auto; }
  .settings-panel .mode-choice { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .settings-panel .mode-button { min-height: 68px; padding-inline: 7px; }
  .settings-panel .mode-button span { font-size: .66rem; }
  .settings-panel .specified-panel { grid-template-columns: 1fr; }
  .settings-panel .leaf-list { max-height: 240px; }
  .settings-action-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .home-tab strong { font-size: .66rem; }
  .tab-icon { display: none; }
  .settings-panel, .collection-panel { padding: 13px 12px; }
  .settings-panel .mode-choice { grid-template-columns: 1fr; }
  .settings-panel .mode-button { min-height: 54px; }
  .collection-panel { min-height: auto; }
  .home-list-scroll { min-height: 260px; max-height: none; overflow: visible; }
}

@media (min-width: 850px) and (max-height: 820px) and (orientation: landscape) {
  .home-hero { padding-top: calc(9px + env(safe-area-inset-top)); padding-bottom: 9px; }
  .home-hero h1 { font-size: 1.35rem; }
  .home-hero p { font-size: .74rem; }
  .home-workspace { margin-top: 8px; margin-bottom: 9px; gap: 7px; }
  .home-tab { min-height: 42px; }
  .settings-panel, .collection-panel { padding: 12px 15px; }
  .home-panel-heading { padding-bottom: 7px; margin-bottom: 9px; }
  .settings-grid { gap: 8px 14px; }
  .settings-panel .side-button { min-height: 60px; }
  .settings-panel .mode-button { min-height: 54px; }
  .settings-action-row { margin-top: 8px; padding-top: 8px; }
  .collection-panel { min-height: calc(100dvh - 164px); }
  .home-list-scroll { max-height: calc(100dvh - 255px); }
}

/* Keep HOME list entries compact even when the panel has spare vertical space. */
.home-list-scroll {
  grid-auto-rows: max-content;
  align-content: start;
}
.home-list-scroll > .list-item,
.home-list-scroll > .list-item-row {
  align-self: start;
  min-height: 64px;
}

/* v0.6: final usability polish before importing production KIF files */
.opening-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 8px;
  color: var(--ink);
}
.opening-summary-item {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid #cfd7e5;
  border-radius: 999px;
  background: #f7f9fc;
  font-size: .73rem;
}
.opening-summary-item strong { font-size: .78rem; }
.opening-summary-item.ready {
  border-color: #b9ddc4;
  background: #f0faf3;
  color: #24713b;
}
.opening-summary-item.pending {
  border-color: #d8dee8;
  background: #f6f7f9;
  color: #667184;
}
.opening-details {
  margin-top: 7px;
  border-top: 1px solid #e3e8f0;
  padding-top: 6px;
}
.opening-details summary {
  width: max-content;
  color: #526079;
  font-size: .72rem;
  font-weight: 800;
  cursor: pointer;
  user-select: none;
}
.opening-details[open] summary { margin-bottom: 7px; }
.opening-details .data-status {
  margin-top: 0;
  padding: 9px 10px;
}
.opening-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px 10px;
  margin: 0;
}
.opening-detail-grid > div { min-width: 0; }
.opening-detail-grid dt {
  color: #677286;
  font-size: .65rem;
  font-weight: 800;
}
.opening-detail-grid dd {
  margin: 2px 0 0;
  color: var(--ink);
  font-size: .73rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.actionable-list-item {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 72px;
}
.actionable-list-item .list-item-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}
.actionable-list-item .list-item-copy strong { font-size: .9rem; }
.actionable-list-item .list-item-copy span { color: var(--muted); font-size: .76rem; }
.actionable-list-item .list-item-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 38px;
  padding: 0 11px;
  border: 1px solid #9eb5d3;
  border-radius: 9px;
  background: #eef5ff;
  color: #1c5da9;
  font-size: .75rem;
  font-weight: 900;
  white-space: nowrap;
}
.actionable-list-item .list-item-cta b {
  color: inherit;
  font-size: 1.15rem;
  line-height: 1;
}
.actionable-list-item .review-cta {
  border-color: #d8b671;
  background: #fff8e8;
  color: #8a6515;
}
.actionable-list-item:hover .list-item-cta,
.actionable-list-item:focus-visible .list-item-cta {
  border-color: currentColor;
  background: white;
}

.empty-state-content {
  display: grid;
  justify-items: center;
  gap: 7px;
  max-width: 430px;
}
.empty-state-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: #edf2f8;
  color: #607089;
  font-size: 1.2rem;
  font-weight: 900;
}
.empty-state-content strong {
  color: #35435a;
  font-size: .93rem;
}
.empty-state-content > span:last-child {
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.55;
}

.evaluation-panel.unavailable {
  grid-template-columns: 1fr;
  grid-template-rows: auto auto auto;
  gap: 2px;
  border-color: #d5dbe5;
  background: #f7f8fa;
  box-shadow: none;
}
.evaluation-panel.unavailable .evaluation-heading,
.evaluation-panel.unavailable .evaluation-detail,
.evaluation-panel.unavailable .evaluation-value {
  grid-column: 1;
  grid-row: auto;
}
.evaluation-panel.unavailable .evaluation-value {
  min-width: 0;
  text-align: left;
  color: #667184;
  font-size: .82rem;
  line-height: 1.25;
  font-weight: 900;
}
.evaluation-panel.unavailable .evaluation-detail {
  color: #7b8493;
  font-size: .67rem;
}

.answer-button {
  border-color: #d3d9e2;
  background: #f7f8fa;
  color: #697386;
  font-weight: 700;
}
.answer-button:hover,
.answer-button:focus-visible {
  border-color: #9da9ba;
  background: white;
  color: #3e4b60;
}

.confirmation-dialog {
  width: min(420px, calc(100% - 30px));
  border: 0;
  border-radius: 18px;
  padding: 0;
  box-shadow: 0 20px 60px rgba(0,0,0,.28);
}
.confirmation-dialog::backdrop { background: rgba(10,18,32,.58); }
.confirmation-dialog form { padding: 22px; }
.confirmation-dialog h2 { margin: 0 0 8px; font-size: 1.15rem; }
.confirmation-dialog p { margin: 0 0 18px; color: var(--muted); line-height: 1.5; }
.two-column-dialog-buttons { grid-template-columns: 1fr 1fr; }

@media (max-width: 620px) {
  .opening-detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .actionable-list-item { grid-template-columns: 1fr; }
  .actionable-list-item .list-item-cta { width: 100%; }
}

/* Keep the unavailable evaluation message readable inside the compact training header row. */
.training-screen .evaluation-panel.unavailable {
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-content: center;
  gap: 2px 8px;
}
.training-screen .evaluation-panel.unavailable .evaluation-heading {
  grid-column: 1;
  grid-row: 1;
}
.training-screen .evaluation-panel.unavailable .evaluation-heading small { display: none; }
.training-screen .evaluation-panel.unavailable .evaluation-value {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  text-align: right;
  font-size: .78rem;
  white-space: nowrap;
}
.training-screen .evaluation-panel.unavailable .evaluation-detail {
  grid-column: 1 / -1;
  grid-row: 2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: .61rem;
}

/* v0.9.2 Companion move-based straight-line growth */
.companion-card {
  width: min(100% - 28px, 1120px);
  margin: 12px auto 0;
  padding: 12px 16px;
  display: grid;
  grid-template-columns: 138px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  border: 1px solid rgba(196, 164, 83, .45);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(255,255,255,.98), rgba(239,246,255,.96));
  box-shadow: 0 12px 30px rgba(31, 51, 84, .12);
}
.companion-visual {
  height: 124px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: radial-gradient(circle at 50% 35%, #fff 0, #eef6ff 64%, #dbe9f8 100%);
  overflow: hidden;
}
.companion-visual img { width: 118px; height: 118px; object-fit: contain; }
.companion-copy { min-width: 0; }
.companion-copy h2 { margin: 1px 0 2px; font-size: 1.45rem; color: #192a45; }
.companion-copy p { margin: 0; color: var(--muted); }
.companion-timer { display: block; margin-top: 7px; color: #315b8e; font-size: .92rem; }
.companion-stats { display: block; margin-top: 3px; color: #5c6b80; font-size: .82rem; }
.catalog-button { min-width: 112px; }
.catalog-dialog {
  width: min(92vw, 620px); max-height: min(84vh, 760px); padding: 0;
  border: 0; border-radius: 20px; box-shadow: 0 28px 80px rgba(9, 20, 40, .35);
}
.catalog-dialog::backdrop { background: rgba(10,18,32,.62); }
.catalog-dialog form { padding: 20px; }
.catalog-dialog-heading { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.catalog-dialog-heading h2 { margin: 2px 0 4px; }
.catalog-dialog-heading p { margin: 0; color: var(--muted); }
.catalog-dialog-heading .icon-button { flex: 0 0 auto; background: #eef2f7; color: #22344e; border: 1px solid #d7dee8; }
.catalog-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 16px 0; max-height: 58vh; overflow: auto; padding-right: 2px; }
.catalog-route-card { padding: 12px; border: 1px solid #dfe4eb; border-radius: 14px; background: white; }
.catalog-route-card.obtained { border-color: rgba(196, 164, 83, .48); }
.catalog-route-card.unknown { background: #f3f5f8; color: #798395; }
.catalog-route-heading { display: grid; grid-template-columns: 52px minmax(0, 1fr) auto; gap: 8px; align-items: center; }
.catalog-route-heading > span, .catalog-route-heading em, .catalog-route-meta { color: #67758a; font-size: .78rem; }
.catalog-route-heading strong { display: block; color: #20324c; font-size: .94rem; }
.catalog-route-card.unknown .catalog-route-heading strong { color: #798395; }
.catalog-route-heading small { display: block; margin-top: 2px; color: #7b8798; font-size: .72rem; }
.catalog-route-heading em { font-style: normal; font-weight: 800; }
.catalog-form-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; margin-top: 10px; }
.catalog-form { min-width: 0; padding: 7px 4px; border-radius: 9px; text-align: center; background: #f5f7fa; border: 1px solid #e5e9ef; }
.catalog-form span { display: block; color: #7a8799; font-size: .66rem; }
.catalog-form strong { display: block; margin-top: 2px; color: #334c6d; font-size: .72rem; white-space: nowrap; }
.catalog-form.unknown strong { color: #929ba8; font-size: .9rem; }
.catalog-form-thumb,
.catalog-form-unknown {
  width: min(56px, 100%);
  aspect-ratio: 1;
  margin: 4px auto 2px;
  border-radius: 8px;
  display: grid;
  place-items: center;
}
.catalog-form-thumb { position: relative; overflow: hidden; background: #fff; }
.catalog-form-thumb img { width: 100%; height: 100%; object-fit: contain; display: block; }
.catalog-form-image-fallback { display: none !important; font-size: .58rem !important; color: #7c8797 !important; }
.catalog-form-thumb.image-error img { display: none; }
.catalog-form-thumb.image-error .catalog-form-image-fallback { display: grid !important; place-items: center; width: 100%; height: 100%; }
.catalog-form-unknown { background: #eef1f5; color: #9099a7; font-weight: 800; font-size: 1.15rem; }
.catalog-route-meta { display: flex; justify-content: space-between; gap: 8px; margin-top: 9px; }
.catalog-route-meta time { color: #65758c; }

.attempt-guide-wrap { margin-top: 2px; }
.attempt-guide {
  display: block; padding: 8px 10px; border-radius: 10px; background: #eef4fb;
  color: #435a77; font-size: .76rem; line-height: 1.35;
}
.feedback.guided { background: #fff4cf; border-color: #e6b93c; color: #725400; }
.square.guided-source::after,
.square.guided-target::after { content: ''; position: absolute; inset: 3px; pointer-events: none; border-radius: 5px; z-index: 4; }
.square.guided-source::after { border: 4px solid #f3a51f; box-shadow: 0 0 12px rgba(243,165,31,.9), inset 0 0 12px rgba(255,211,105,.55); }
.square.guided-target::after { border: 4px solid #27a9e8; background: rgba(39,169,232,.22); box-shadow: 0 0 14px rgba(39,169,232,.88); }
.hand-piece.guided-source { outline: 4px solid #f3a51f; box-shadow: 0 0 15px rgba(243,165,31,.72); }

@media (max-width: 720px) {
  .companion-card {
    width: min(100% - 14px, 620px); margin-top: 8px; padding: 9px 10px;
    grid-template-columns: 92px minmax(0, 1fr) auto; gap: 9px; border-radius: 16px;
  }
  .companion-visual { height: 88px; border-radius: 13px; }
  .companion-visual img { width: 84px; height: 84px; }
  .companion-copy h2 { font-size: 1.05rem; }
  .companion-copy .panel-kicker { display: none; }
  .companion-stage, .companion-copy p { font-size: .72rem; }
  .companion-timer { margin-top: 3px; font-size: .73rem; }
  .companion-stats { font-size: .66rem; line-height: 1.25; }
  .catalog-button { min-width: 68px; padding: 8px 7px; font-size: .72rem; }
  .catalog-list { grid-template-columns: 1fr; max-height: 62vh; }
  .catalog-route-card { padding: 10px; }
  .catalog-route-heading { grid-template-columns: 46px minmax(0,1fr) auto; gap: 6px; }
  .catalog-form { padding: 6px 3px; }
  .catalog-form span { font-size: .61rem; }
  .catalog-form strong { font-size: .66rem; }
  .catalog-form-thumb, .catalog-form-unknown { width: min(50px, 100%); }
}

@media (max-width: 430px) {
  .companion-card { grid-template-columns: 78px minmax(0,1fr); }
  .companion-visual { height: 76px; }
  .companion-visual img { width: 72px; height: 72px; }
  .catalog-button { grid-column: 1 / -1; width: 100%; }
}
.training-screen .training-actions { grid-template-columns: 1fr; }

/* v0.9.11: quieter companion progress + stable training layout + larger hands */
.companion-progress { margin-top: 7px; display: grid; gap: 6px; }
.companion-progress .companion-timer { margin-top: 0; }
.companion-progress-track {
  width: min(100%, 430px);
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #dbe5f1;
  box-shadow: inset 0 1px 2px rgba(24, 39, 75, .12);
}
.companion-progress-fill {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #6e9fd2, #315b8e);
  transition: width .2s ease;
}

/* The guide gets an explicit grid row. Auto-placement plus a temporarily empty
   guide caused the board row to gain/lose height during the opponent reply. */
.training-layout {
  grid-template-rows: auto auto minmax(0, 1fr) auto auto auto;
  grid-template-areas:
    "moveinfo evaluation"
    "opponent opponent"
    "board board"
    "user user"
    "feedback actions"
    "guide guide";
}
.attempt-guide-wrap { grid-area: guide; margin-top: 0; min-width: 0; }
.attempt-guide { min-height: 32px; box-sizing: border-box; }

/* Make captured pieces readable without making the hand rows bulky. */
.training-screen .hand-panel {
  min-height: 58px;
  border-width: 2px;
  padding: 4px 8px;
}
.training-screen .opponent-hand {
  border-color: #b7c2d1;
  background: #fbfcfe;
}
.training-screen .user-hand {
  border-color: #7c9dc6;
  background: #f5f9ff;
  box-shadow: 0 3px 10px rgba(45, 88, 140, .11);
}
.training-screen .hand-heading { font-size: .79rem; font-weight: 800; }
.training-screen .hand-pieces { min-height: 48px; gap: 4px; }
.training-screen .hand-piece {
  flex-basis: 46px;
  width: 46px;
  height: 49px;
  border-radius: 8px;
}
.training-screen .hand-piece img { max-width: 98%; max-height: 98%; }
.training-screen .piece-count {
  min-width: 20px;
  height: 20px;
  font-size: .7rem;
}

/* Landscape: opponent hand directly above the board, own hand directly below.
   Move/evaluation/feedback stay in side rails so the relationship is obvious. */
@media (min-width: 850px) and (orientation: landscape) {
  .training-layout {
    grid-template-columns: minmax(165px, 195px) minmax(0, 1fr) minmax(175px, 210px);
    grid-template-rows: auto minmax(0, 1fr) auto;
    grid-template-areas:
      "moveinfo opponent evaluation"
      "moveinfo board feedback"
      "guide user actions";
    align-items: stretch;
    gap: 6px;
  }
  .training-screen .hand-panel {
    grid-template-columns: auto minmax(0, 1fr);
    align-content: center;
    align-items: center;
    gap: 7px;
    min-height: 56px;
    overflow: hidden;
  }
  .training-screen .hand-heading { white-space: nowrap; margin: 0; }
  .training-screen .hand-heading strong { max-width: 170px; }
  .training-screen .hand-pieces {
    min-height: 48px;
    flex-wrap: nowrap;
    align-content: center;
    overflow: hidden;
  }
  .training-screen .coordinate-board {
    width: min(100%, 610px, calc(21px + (100dvh - 202px) * 0.9115));
  }
  .move-information { min-height: 0; }
  .training-screen .evaluation-panel { height: 100%; min-height: 56px; }
  .training-screen .feedback { height: 100%; min-height: 64px; max-height: 100%; }
  .training-screen .training-actions { align-self: stretch; }
  .training-screen .training-actions .secondary-button { height: 100%; min-height: 44px; }
  .attempt-guide-wrap { align-self: stretch; }
  .attempt-guide { height: 100%; min-height: 44px; display: grid; align-items: center; }
}

@media (max-width: 640px) {
  .training-screen .hand-piece { flex-basis: 43px; width: 43px; height: 46px; }
  .training-screen .hand-panel { min-height: 55px; }
  .training-screen .hand-pieces { min-height: 45px; }
}

@media (max-width: 720px) {
  .companion-progress { margin-top: 4px; gap: 4px; }
  .companion-progress-track { height: 8px; }
}

/* v0.9.14: player profiles / cross-device server persistence */
.hero-actions { display: grid; justify-items: end; gap: 10px; }
.player-chip {
  border: 1px solid rgba(255,255,255,.45);
  background: rgba(255,255,255,.12);
  color: #fff;
  border-radius: 999px;
  padding: 9px 14px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  backdrop-filter: blur(8px);
}
.player-chip:hover { background: rgba(255,255,255,.2); }
.player-dialog {
  width: min(92vw, 560px);
  border: 0;
  padding: 0;
  border-radius: 20px;
  box-shadow: 0 24px 70px rgba(17, 31, 52, .28);
  color: #17233a;
}
.player-dialog::backdrop { background: rgba(13, 24, 42, .55); backdrop-filter: blur(3px); }
.player-dialog-body { padding: 22px; display: grid; gap: 16px; }
.player-dialog-heading { display: flex; gap: 14px; justify-content: space-between; align-items: flex-start; }
.player-dialog-heading h2 { margin: 2px 0 6px; }
.player-dialog-heading p:last-child { margin: 0; color: #5a687b; line-height: 1.55; }
.player-list { display: grid; gap: 8px; max-height: 280px; overflow: auto; }
.player-choice {
  width: 100%;
  border: 1px solid #cfd9e7;
  background: #f8fbff;
  border-radius: 14px;
  padding: 12px 14px;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  color: #17233a;
}
.player-choice:hover { border-color: #6d91bd; background: #f1f7ff; }
.player-choice.active { border-color: #315b8e; background: #eaf3ff; }
.player-choice strong { font-size: 1.02rem; }
.player-choice span { color: #65748a; font-size: .82rem; }
.player-empty { margin: 0; padding: 14px; border-radius: 12px; background: #f5f7fa; color: #687487; }
.player-add-form { border-top: 1px solid #e1e7ef; padding-top: 14px; display: grid; gap: 8px; }
.player-add-form label { font-weight: 800; }
.player-add-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.player-add-row input { min-width: 0; border: 1px solid #c5d0df; border-radius: 10px; padding: 11px 12px; font: inherit; }
.player-message { min-height: 1.2em; margin: 0; color: #66748a; font-size: .86rem; }
.player-message.error { color: #a43a3a; }
.player-note { margin: 0; color: #718096; font-size: .8rem; line-height: 1.5; }
@media (max-width: 720px) {
  .hero-actions { justify-items: stretch; }
  .player-chip { justify-self: end; }
  .player-add-row { grid-template-columns: 1fr; }
  .player-choice { align-items: flex-start; flex-direction: column; gap: 3px; }
}

.app-version{display:inline-block;margin-left:.55rem;padding:.12rem .42rem;border:1px solid rgba(255,255,255,.4);border-radius:999px;font-size:.72em;font-weight:700;letter-spacing:.04em;vertical-align:middle}