:root {
  --blue-900: #063b7a;
  --blue-700: #0878d9;
  --blue-500: #25a8f2;
  --cream: #fffaf0;
  --ink: #09204a;
  --muted: #5c6c86;
  --line: rgba(9, 32, 74, 0.14);
  --green: #55c51f;
  --orange: #ff7a1a;
  --gold: #ffc928;
  --teal: #17b8a6;
  --red: #ef4b3f;
  font-family: Inter, ui-rounded, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), transparent 9rem),
    linear-gradient(180deg, #0f8ef2 0 7rem, #cdefff 7rem 100%);
}

body::before {
  content: "";
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: -1;
  height: 44vh;
  background:
    linear-gradient(160deg, transparent 0 46%, rgba(97, 190, 107, 0.25) 46% 64%, transparent 64%),
    linear-gradient(25deg, transparent 0 58%, rgba(28, 141, 205, 0.16) 58% 72%, transparent 72%),
    linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(150, 221, 240, 0.28));
  pointer-events: none;
}

button {
  font: inherit;
}

.app-shell {
  width: min(1360px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 24px;
}

.top-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  color: white;
  margin-bottom: 22px;
}

.ghost-button[data-action="results"] {
  margin-left: auto;
}

.brand,
.ghost-button,
.profile-chip,
.streak-chip {
  border: 0;
  border-radius: 8px;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.35), 0 8px 20px rgba(0, 54, 118, 0.18);
}

.brand {
  display: grid;
  color: white;
  background: linear-gradient(180deg, #0d73df, #0758bf);
  padding: 10px 18px;
  text-align: left;
  cursor: pointer;
  transform: rotate(-2deg);
  outline: 2px solid rgba(255, 255, 255, 0.12);
}

.brand span {
  color: var(--gold);
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1;
  text-shadow: 0 2px 0 #884f00;
}

.brand strong {
  font-size: 2rem;
  line-height: 1;
  text-shadow: 0 2px 0 #064384;
}

.profile-chip,
.streak-chip,
.ghost-button {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.12));
  color: white;
  padding: 12px 16px;
  font-weight: 800;
}

.profile-chip span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-right: 8px;
  border-radius: 50%;
  background: white;
  color: var(--blue-700);
}

.ghost-button {
  cursor: pointer;
  min-height: 48px;
}

.hidden-input {
  display: none;
}

.home-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.55fr);
  gap: 18px;
}

.welcome-panel,
.map-panel,
.control-panel,
.coverage-panel,
.results-panel,
.weak-panel,
.celebration-panel,
.goal-panel,
.prompt-card,
.stat-tile {
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 12px 28px rgba(15, 84, 144, 0.16);
}

.welcome-panel {
  position: relative;
  display: grid;
  grid-template-columns: 178px minmax(0, 1fr);
  grid-template-rows: auto auto auto;
  align-content: center;
  column-gap: 28px;
  min-height: 414px;
  padding: 34px;
  overflow: hidden;
  background:
    linear-gradient(180deg, #fbfeff, #fffaf0),
    linear-gradient(155deg, transparent 0 46%, rgba(87, 180, 105, 0.18) 46% 63%, transparent 63%),
    linear-gradient(25deg, transparent 0 58%, rgba(27, 129, 197, 0.12) 58% 74%, transparent 74%);
}

.welcome-panel::after {
  content: "";
  position: absolute;
  right: -4%;
  bottom: 0;
  left: 24%;
  height: 34%;
  background:
    linear-gradient(160deg, transparent 0 46%, rgba(62, 164, 106, 0.2) 46% 54%, transparent 54%),
    linear-gradient(20deg, transparent 0 42%, rgba(20, 121, 194, 0.16) 42% 52%, transparent 52%);
  opacity: 0.9;
  pointer-events: none;
}

.mascot-badge {
  grid-row: 1 / 4;
  align-self: center;
  display: grid;
  place-items: center;
  width: 170px;
  height: 170px;
  border: 12px solid #ffe081;
  border-radius: 50%;
  margin: 0;
  background: linear-gradient(180deg, #1687e8, #0e62c4);
  color: white;
  font-size: 5.4rem;
  font-weight: 900;
  box-shadow: 0 14px 0 #0b55a4;
}

.welcome-panel h1 {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: clamp(3rem, 5vw, 4.9rem);
  line-height: 0.98;
}

.welcome-panel h1 span {
  color: #0b63ce;
}

.welcome-panel p {
  position: relative;
  z-index: 1;
  color: var(--muted);
  font-size: 1.2rem;
}

.primary-action {
  position: relative;
  z-index: 1;
  width: min(360px, 100%);
  min-height: 78px;
  border: 0;
  border-radius: 8px;
  margin-top: 16px;
  background: linear-gradient(180deg, #ffe56b, #ffad1f);
  color: #6d3500;
  font-size: 2rem;
  font-weight: 950;
  cursor: pointer;
  box-shadow: 0 8px 0 #d07a00, 0 18px 28px rgba(171, 99, 0, 0.25);
}

.stat-stack {
  display: grid;
  gap: 14px;
  align-content: stretch;
}

.stat-tile {
  display: grid;
  grid-template-columns: 64px 1fr;
  align-items: center;
  gap: 12px;
  min-height: 120px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(247, 253, 255, 0.82));
}

.stat-tile > span {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #e8f7ff;
  font-size: 2rem;
}

.stat-tile strong {
  display: block;
  color: #0c5cc4;
  font-size: 2rem;
}

.stat-tile small {
  color: var(--muted);
  font-weight: 800;
}

.map-panel,
.control-panel,
.coverage-panel,
.results-panel,
.weak-panel {
  padding: 22px;
}

.map-panel {
  grid-column: 1 / -1;
}

.control-panel {
  grid-column: 1;
}

.coverage-panel {
  grid-column: 2;
}

.section-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 16px;
}

.section-title h2 {
  margin: 0;
  color: #075bbd;
}

.section-title span {
  color: var(--muted);
  font-weight: 800;
}

.pack-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
  gap: 14px;
}

.pack-card {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 12px;
  align-items: center;
  min-height: 118px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 251, 241, 0.88));
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(33, 102, 151, 0.08);
}

.pack-card.selected {
  border-color: var(--green);
  background:
    linear-gradient(180deg, rgba(246, 255, 237, 0.96), rgba(231, 255, 218, 0.9));
}

.pack-flag {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-left: 14px;
  border-radius: 8px;
  background: linear-gradient(180deg, #1689ef, #0a66ca);
  color: white;
  font-size: 2.4rem;
  font-weight: 900;
}

.pack-card strong,
.pack-card small {
  display: block;
}

.pack-card strong {
  font-size: 1.3rem;
}

.pack-card small {
  color: var(--muted);
  font-weight: 800;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.segmented button {
  min-height: 56px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  font-weight: 900;
  cursor: pointer;
}

.segmented button.active {
  border-color: #0a72d8;
  background: #eaf7ff;
  color: #0a58bc;
}

.coverage-bar {
  display: flex;
  height: 18px;
  overflow: hidden;
  border-radius: 8px;
  background: #e6ebf0;
}

.coverage-bar span {
  min-width: 2px;
}

.unseen { background: #a8adb5; }
.learning { background: var(--orange); }
.slow { background: var(--gold); }
.fluent { background: var(--green); }
.stable { background: var(--teal); }

.coverage-legend {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 16px;
}

.coverage-legend div {
  min-height: 76px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.75);
}

.coverage-legend strong,
.coverage-legend small {
  display: block;
}

.dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 6px;
}

.drill-layout {
  display: grid;
  grid-template-columns: 260px minmax(320px, 1.06fr) minmax(360px, 1fr);
  grid-template-rows: minmax(560px, 1fr) auto;
  gap: 18px;
  min-height: calc(100vh - 132px);
}

.goal-panel,
.prompt-card {
  min-height: 560px;
  padding: 24px;
}

.goal-ring {
  display: grid;
  place-items: center;
  width: 150px;
  height: 150px;
  border: 14px solid var(--green);
  border-radius: 50%;
  margin: 30px auto;
  color: var(--green);
  font-size: 3rem;
  font-weight: 950;
}

.goal-ring small {
  font-size: 1.2rem;
}

.goal-panel h2,
.goal-panel p {
  text-align: center;
}

.prompt-card {
  position: relative;
  display: grid;
  align-content: center;
  justify-items: center;
  background:
    linear-gradient(180deg, #fffdf6, #f4fff7),
    linear-gradient(155deg, transparent 0 55%, rgba(84, 174, 108, 0.14) 55% 66%, transparent 66%),
    linear-gradient(25deg, transparent 0 58%, rgba(42, 151, 204, 0.1) 58% 72%, transparent 72%);
}

.sound-button {
  position: absolute;
  top: 26px;
  left: 26px;
  width: 62px;
  height: 62px;
  border: 0;
  border-radius: 50%;
  background: var(--gold);
  color: #6d4800;
  font-weight: 900;
}

.prompt-text {
  font-family: "Kaiti SC", "STKaiti", "KaiTi", serif;
  color: #061d47;
  font-size: clamp(7rem, 16vw, 13rem);
  font-weight: 900;
  line-height: 1;
}

.prompt-text.domain-arithmetic {
  font-family: ui-rounded, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(4rem, 11vw, 9rem);
  letter-spacing: 0;
}

.prompt-text.domain-music {
  font-family: ui-rounded, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  max-width: 90%;
  font-size: clamp(2.5rem, 6vw, 5.6rem);
  line-height: 1.05;
}

.staff-prompt {
  display: grid;
  gap: 18px;
  width: min(480px, 90%);
}

.staff-title {
  color: #075bbd;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 950;
  text-align: center;
}

.staff-lines {
  position: relative;
  height: 180px;
}

.staff-lines span {
  position: absolute;
  left: 0;
  right: 0;
  height: 5px;
  border-radius: 999px;
  background: #061d47;
}

.staff-lines span:nth-child(1) { top: 45px; }
.staff-lines span:nth-child(2) { top: 65px; }
.staff-lines span:nth-child(3) { top: 85px; }
.staff-lines span:nth-child(4) { top: 105px; }
.staff-lines span:nth-child(5) { top: 125px; }

.note-head {
  position: absolute;
  left: 50%;
  width: 34px;
  height: 20px;
  border-radius: 50%;
  background: #061d47;
  transform: translate(-50%, -50%) rotate(-18deg);
}

.ledger {
  position: absolute;
  left: calc(50% - 30px);
  width: 60px;
  height: 5px;
  border-radius: 999px;
  background: #061d47;
}

.ledger-above {
  top: 25px;
}

.ledger-below {
  top: 145px;
}

.prompt-card p {
  margin: 20px 0 0;
  color: #8b7b61;
  font-size: 1.8rem;
  font-weight: 900;
}

.feedback-pill {
  margin-top: 24px;
  padding: 14px 26px;
  border-radius: 999px;
  color: white;
  font-size: 1.4rem;
  font-weight: 950;
}

.feedback-pill.good {
  background: var(--green);
}

.feedback-pill.bad {
  background: var(--red);
}

.feedback-detail {
  display: grid;
  gap: 6px;
  justify-items: center;
  max-width: min(420px, 92%);
  margin-top: 14px;
  padding: 12px 16px;
  border: 2px solid rgba(164, 36, 29, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  color: #071f4c;
  text-align: center;
}

.feedback-detail span {
  color: #8b7b61;
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.feedback-detail strong {
  color: #071f4c;
  font-size: clamp(1.15rem, 2vw, 1.7rem);
  line-height: 1.05;
}

.feedback-detail small {
  color: #4d5c70;
  font-size: clamp(0.9rem, 1.4vw, 1.05rem);
  line-height: 1.25;
}

.report-action {
  min-height: 58px;
  margin-top: 18px;
  padding: 0 28px;
  border: 0;
  border-radius: 8px;
  background: #0a72d8;
  color: white;
  font-size: 1.2rem;
  font-weight: 950;
  cursor: pointer;
  box-shadow: 0 6px 0 #064f9c;
}

.answer-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.answer-board button {
  --answer-font-size: clamp(1.4rem, 3vw, 3rem);
  min-height: 0;
  padding: 12px;
  border: 2px solid #ded2bd;
  border-radius: 8px;
  background: linear-gradient(180deg, #fffefb, #fffaf0);
  color: #071f4c;
  font-size: var(--answer-font-size);
  font-weight: 950;
  line-height: 1.08;
  overflow: hidden;
  overflow-wrap: normal;
  word-break: normal;
  cursor: pointer;
  box-shadow: 0 8px 12px rgba(69, 47, 17, 0.13);
}

.answer-board button:disabled {
  cursor: default;
}

.answer-board button:nth-child(7):last-child {
  grid-column: 2;
}

.answer-board button.answer-size-short {
  --answer-font-size: clamp(1.4rem, 3vw, 3rem);
}

.answer-board button.answer-size-medium {
  --answer-font-size: clamp(1.2rem, 2.55vw, 2.55rem);
}

.answer-board button.answer-size-long {
  --answer-font-size: clamp(1rem, 2.05vw, 2.15rem);
}

.answer-board button.answer-size-xlong {
  --answer-font-size: clamp(0.84rem, 1.65vw, 1.75rem);
}

.answer-label {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 0.18em;
  max-width: 100%;
}

.answer-token {
  white-space: nowrap;
}

.answer-board button.correct {
  border-color: var(--green);
  background: #eaffdf;
  color: #16830c;
}

.answer-board button.wrong {
  border-color: var(--red);
  background: #fff0ed;
  color: #a4241d;
}

.answer-board button.muted {
  opacity: 0.45;
}

.progress-dock {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 240px 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 110px;
  padding: 20px 28px;
  border-radius: 8px;
  background: #0878d9;
  color: white;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.28), 0 12px 24px rgba(0, 74, 146, 0.24);
}

.progress-dock strong,
.progress-dock span {
  display: block;
}

.progress-track {
  height: 18px;
  overflow: hidden;
  border-radius: 999px;
  background: #0563b6;
}

.progress-track span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #9bea38, #55c51f);
}

.timer-pill {
  padding: 14px 22px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.2);
  font-size: 1.4rem;
  font-weight: 950;
}

.results-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.8fr) minmax(500px, 1.2fr);
  gap: 18px;
}

.celebration-panel {
  min-height: 620px;
  padding: 34px;
  text-align: center;
}

.treasure {
  display: grid;
  place-items: center;
  width: 240px;
  height: 240px;
  margin: 40px auto 26px;
  border-radius: 50%;
  background: linear-gradient(180deg, #ffe56b, #ffad1f);
  color: white;
  font-size: 9rem;
  text-shadow: 0 4px 0 #b66a00;
  box-shadow: 0 14px 0 #d07a00;
}

.celebration-panel h1 {
  font-size: clamp(2.5rem, 5vw, 4.6rem);
  margin: 0;
}

.celebration-panel p {
  color: var(--muted);
  font-size: 1.2rem;
}

.results-panel {
  align-self: start;
}

.session-panel,
.matrix-panel {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 12px 28px rgba(15, 84, 144, 0.16);
}

.session-panel {
  grid-column: 2;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.result-card {
  min-height: 148px;
  padding: 18px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
  text-align: center;
}

.result-card span,
.result-card strong,
.result-card small {
  display: block;
}

.result-card span {
  font-size: 2.4rem;
}

.result-card strong {
  font-size: 2.2rem;
}

.result-card small {
  color: var(--muted);
  font-weight: 800;
}

.weak-panel {
  grid-column: 2;
}

.matrix-panel {
  grid-column: 1 / -1;
}

.weak-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.weak-item {
  min-height: 104px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
}

.weak-item strong,
.weak-item span,
.weak-item small {
  display: block;
}

.weak-item strong {
  font-size: 2rem;
}

.weak-item span,
.weak-item small {
  color: var(--muted);
}

.timing-list {
  display: grid;
  gap: 8px;
}

.timing-row {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 10px;
  align-items: center;
  min-height: 48px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-left: 8px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
}

.timing-row.fast {
  border-left-color: var(--green);
}

.timing-row.slow {
  border-left-color: var(--gold);
}

.timing-row.wrong {
  border-left-color: var(--red);
}

.timing-row strong {
  font-size: 1.6rem;
}

.timing-row span,
.timing-row small {
  color: var(--muted);
  font-weight: 800;
}

.matrix-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 14px;
  color: var(--muted);
  font-weight: 800;
}

.matrix-legend span {
  display: inline-flex;
  align-items: center;
}

.knowledge-grid {
  display: grid;
  gap: 6px;
}

.knowledge-grid.character-grid {
  grid-template-columns: repeat(17, minmax(0, 1fr));
}

.knowledge-grid.word-grid {
  grid-template-columns: repeat(auto-fill, minmax(74px, 1fr));
}

.knowledge-grid.generic-grid {
  grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
}

.knowledge-cell {
  display: grid;
  place-items: center;
  min-height: 42px;
  padding: 5px;
  border: 1px solid rgba(9, 32, 74, 0.12);
  border-radius: 8px;
  color: var(--ink);
  font-weight: 900;
  line-height: 1.05;
  text-align: center;
  overflow-wrap: anywhere;
}

.character-grid .knowledge-cell {
  aspect-ratio: 1;
  font-size: clamp(1rem, 2vw, 1.6rem);
}

.word-grid .knowledge-cell {
  min-height: 52px;
  font-size: 0.95rem;
}

.generic-grid .knowledge-cell {
  min-height: 54px;
  font-size: 1rem;
}

.knowledge-cell.unseen {
  background: #eef1f5;
  color: #7b8491;
}

.knowledge-cell.learning {
  background: #fff0e5;
  color: #bf4300;
}

.knowledge-cell.slow {
  background: #fff8d7;
  color: #8c6400;
}

.knowledge-cell.fluentToday,
.dot.fluentToday {
  background: #ddffd2;
  color: #14780d;
}

.knowledge-cell.stableFluent,
.dot.stableFluent {
  background: #d8fbf6;
  color: #087f73;
}

@media (max-width: 1100px) {
  body {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.14), transparent 7rem),
      linear-gradient(180deg, #0f8ef2 0 5.7rem, #cdefff 5.7rem 100%);
  }

  .app-shell {
    padding: 14px;
  }

  .top-bar {
    gap: 10px;
    margin-bottom: 14px;
  }

  .brand {
    padding: 7px 14px;
  }

  .brand span {
    font-size: 1.15rem;
  }

  .brand strong {
    font-size: 1.65rem;
  }

  .profile-chip,
  .streak-chip,
  .ghost-button {
    padding: 9px 12px;
  }

  .home-grid {
    grid-template-columns: 1fr;
  }

  .welcome-panel {
    grid-template-columns: 132px minmax(0, 1fr);
    min-height: 320px;
    padding: 26px;
  }

  .mascot-badge {
    width: 120px;
    height: 120px;
    border-width: 10px;
    margin-bottom: 22px;
    font-size: 4rem;
  }

  .welcome-panel h1 {
    font-size: clamp(2.6rem, 6vw, 4rem);
  }

  .map-panel {
    grid-column: 1 / -1;
  }

  .stat-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-content: start;
  }

  .stat-tile {
    grid-template-columns: 54px 1fr;
    min-height: 96px;
    padding: 14px;
  }

  .stat-tile > span {
    width: 52px;
    height: 52px;
  }

  .control-panel,
  .coverage-panel {
    grid-column: 1 / -1;
  }

  .drill-layout {
    grid-template-columns: 170px minmax(260px, 1fr) minmax(260px, 0.9fr);
    grid-template-rows: 740px auto;
    gap: 14px;
    min-height: auto;
  }

  .goal-panel,
  .prompt-card {
    min-height: 740px;
    padding: 18px;
  }

  .goal-ring {
    width: 118px;
    height: 118px;
    border-width: 11px;
    margin: 28px auto 24px;
    font-size: 2.6rem;
  }

  .goal-panel h2 {
    font-size: 1.45rem;
  }

  .goal-panel p {
    font-size: 0.95rem;
  }

  .prompt-text {
    font-size: clamp(6rem, 18vw, 10rem);
  }

  .prompt-card p {
    font-size: 1.5rem;
  }

  .sound-button {
    width: 52px;
    height: 52px;
    top: 18px;
    left: 18px;
  }

  .answer-board {
    gap: 10px;
  }

  .answer-board button {
    min-height: 132px;
    font-size: var(--answer-font-size);
  }

  .progress-dock {
    min-height: 82px;
    padding: 16px 22px;
    grid-template-columns: 210px 1fr auto;
    gap: 18px;
    align-self: start;
  }

  .results-layout {
    grid-template-columns: 310px minmax(0, 1fr);
  }

  .celebration-panel {
    min-height: 440px;
  }

  .treasure {
    width: 190px;
    height: 190px;
    font-size: 7rem;
  }

  .result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  body {
    background:
      linear-gradient(180deg, #128bf0 0 13rem, #dff5ff 13rem 100%);
  }

  .app-shell {
    padding: 10px;
  }

  .top-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .ghost-button[data-action="results"] {
    margin-left: 0;
  }

  .brand {
    grid-column: 1 / -1;
    width: max-content;
    max-width: 100%;
    padding: 6px 13px;
  }

  .brand span {
    font-size: 1rem;
  }

  .brand strong {
    font-size: 1.35rem;
  }

  .profile-chip,
  .streak-chip,
  .ghost-button {
    min-height: 40px;
    padding: 8px 10px;
    font-size: 0.88rem;
  }

  .profile-chip span {
    width: 28px;
    height: 28px;
  }

  .view-drill .top-bar {
    grid-template-columns: auto 1fr 1fr;
  }

  .view-drill .brand {
    grid-column: auto;
  }

  .view-drill .profile-chip,
  .view-drill .ghost-button[data-action="export"],
  .view-drill .ghost-button[data-action="import"],
  .view-drill .ghost-button[data-action="reset"] {
    display: none;
  }

  .home-grid,
  .results-layout,
  .drill-layout {
    grid-template-columns: 1fr;
  }

  .segmented,
  .pack-row,
  .result-grid,
  .coverage-legend,
  .weak-list {
    grid-template-columns: 1fr;
  }

  .welcome-panel {
    display: grid;
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 20px;
    overflow: hidden;
  }

  .mascot-badge {
    grid-row: auto;
    width: 92px;
    height: 92px;
    border-width: 8px;
    margin: 0 auto 18px;
    font-size: 3rem;
    box-shadow: 0 9px 0 #0b55a4;
  }

  .welcome-panel h1 {
    font-size: clamp(1.8rem, 9vw, 2.4rem);
    line-height: 1.02;
    overflow-wrap: anywhere;
  }

  .welcome-panel p {
    font-size: 1rem;
  }

  .primary-action {
    min-height: 58px;
    font-size: 1.45rem;
  }

  .stat-tile {
    min-height: 80px;
  }

  .stat-stack {
    grid-template-columns: 1fr;
  }

  .pack-card {
    min-height: 92px;
  }

  .map-panel,
  .control-panel,
  .coverage-panel,
  .results-panel,
  .weak-panel,
  .session-panel,
  .matrix-panel {
    padding: 16px;
  }

  .drill-layout {
    gap: 10px;
    grid-template-rows: auto;
  }

  .goal-panel {
    display: grid;
    grid-template-columns: 82px 1fr;
    align-items: center;
    min-height: 96px;
    padding: 12px;
  }

  .goal-ring {
    width: 72px;
    height: 72px;
    border-width: 7px;
    margin: 0;
    font-size: 2rem;
  }

  .goal-ring small {
    font-size: 0.8rem;
  }

  .goal-panel h2,
  .goal-panel p {
    margin: 2px 0;
    text-align: left;
  }

  .goal-panel h2 {
    font-size: 1.15rem;
  }

  .goal-panel p {
    font-size: 0.82rem;
  }

  .prompt-card {
    min-height: 214px;
    padding: 18px 12px 14px;
  }

  .sound-button {
    width: 44px;
    height: 44px;
    top: 14px;
    left: 14px;
  }

  .prompt-text {
    font-size: clamp(5rem, 25vw, 7rem);
  }

  .prompt-text.domain-arithmetic {
    font-size: clamp(3rem, 17vw, 4.8rem);
  }

  .prompt-text.domain-music {
    font-size: clamp(1.9rem, 10vw, 3rem);
  }

  .prompt-card p {
    margin-top: 8px;
    font-size: 1.3rem;
  }

  .answer-board {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .answer-board button {
    min-height: 70px;
    padding: 8px;
    font-size: var(--answer-font-size);
  }

  .progress-dock {
    grid-template-columns: 1fr auto;
    min-height: 70px;
    padding: 12px;
    gap: 10px;
  }

  .progress-track {
    grid-column: 1 / -1;
    order: 3;
  }

  .timer-pill {
    padding: 10px 12px;
    font-size: 1rem;
  }

  .celebration-panel {
    min-height: auto;
    padding: 20px;
  }

  .treasure {
    width: 130px;
    height: 130px;
    margin: 14px auto 18px;
    font-size: 5rem;
  }

  .celebration-panel h1 {
    font-size: clamp(2rem, 9vw, 2.7rem);
  }

  .results-panel,
  .session-panel,
  .weak-panel {
    grid-column: auto;
  }

  .result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .result-card {
    min-height: 110px;
    padding: 12px 8px;
  }

  .result-card span {
    font-size: 1.7rem;
  }

  .result-card strong {
    font-size: 1.8rem;
  }

  .timing-row {
    grid-template-columns: 1fr;
  }

  .knowledge-grid.character-grid {
    grid-template-columns: repeat(10, minmax(0, 1fr));
  }
}