:root {
  --bg: #f4f8f7;
  --bg-alt: #e8f0ef;
  --panel: #ffffff;
  --glass: #ffffff;
  --panel-strong: #ffffff;
  --surface: #f7fbfa;
  --surface-soft: #f3f7f6;
  --surface-hover: #edf6f4;
  --surface-selected: #e6f3f1;
  --overlay-bg: #edf4f2;
  --body-start: #ffffff;
  --kana-mix: #4e6f69;
  --caret-mix: #7fd6ca;
  --thumb-bg: #f8fffd;
  --good-bg: #e5f3ef;
  --mid-bg: #fbf0e3;
  --bad-bg: #f8e9e7;
  --text: #10211f;
  --muted: #55706b;
  --accent: #0a8a79;
  --accent-2: #f28a2f;
  --danger: #b93b2d;
  --border: #cddfdc;
  --shadow: 0 10px 24px rgba(8, 44, 39, 0.08);
}

:root[data-theme="dark"] {
  --bg: #0e1715;
  --bg-alt: #152320;
  --panel: #121d1b;
  --glass: #121d1b;
  --panel-strong: #182522;
  --surface: #182522;
  --surface-soft: #14201d;
  --surface-hover: #1f302c;
  --surface-selected: #173a34;
  --overlay-bg: #0f1a18;
  --body-start: #17231f;
  --kana-mix: #d8e2dc;
  --caret-mix: #8fd8ca;
  --thumb-bg: #20332f;
  --good-bg: #15362f;
  --mid-bg: #3a2a17;
  --bad-bg: #3a1f1b;
  --text: #e7eee9;
  --muted: #91a8a1;
  --accent: #65d2bf;
  --accent-2: #e7a45d;
  --danger: #e07365;
  --border: #2b403b;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.26);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  height: 100dvh;
  overflow: hidden;
}

body {
  margin: 0;
  height: 100dvh;
  overflow: hidden;
  font-family: "SF Pro Text", "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 10% 10%, var(--body-start), var(--bg)) fixed;
}

.bg-shape {
  position: fixed;
  border-radius: 999px;
  display: none;
  z-index: -1;
}

.bg-shape-1 {
  width: 34vw;
  height: 34vw;
  min-width: 280px;
  min-height: 280px;
  right: -8vw;
  top: -10vw;
  background: linear-gradient(120deg, #91d2c9, #f3bf87);
}

.bg-shape-2 {
  width: 30vw;
  height: 30vw;
  min-width: 240px;
  min-height: 240px;
  left: -8vw;
  bottom: -10vw;
  background: linear-gradient(120deg, #b7dfda, #bde9e1);
}

.layout {
  width: 100vw;
  height: 100dvh;
  padding: 3.35rem 1rem 1rem;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.drill-panel {
  width: auto;
  min-width: 0;
  padding: 0.6rem 0.8rem 0.9rem;
  min-height: 100%;
  display: grid;
  grid-template-rows: 1fr;
  gap: 0.6rem;
}

.panel-head {
  max-width: 620px;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--muted) 90%, transparent);
  font-weight: 600;
  font-size: 0.7rem;
  opacity: 0.72;
}

.help-flyout {
  position: relative;
}

.help-icon {
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
  color: color-mix(in srgb, var(--muted) 94%, transparent);
  font-size: 0.8rem;
  cursor: default;
  user-select: none;
  background: var(--surface-soft);
}

.help-card {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  width: min(380px, 80vw);
  padding: 0.55rem 0.62rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(-3px);
  pointer-events: none;
  transition: opacity 140ms ease, transform 140ms ease;
}

.help-flyout:hover .help-card {
  opacity: 1;
  transform: translateY(0);
}

.help-flyout:focus-within .help-card {
  opacity: 1;
  transform: translateY(0);
}

.answer-wrap {
  min-height: 1.1rem;
}

.practice-core {
  width: min(820px, calc(100vw - 2rem));
  margin-inline: auto;
  align-self: start;
  margin-top: clamp(4vh, 8vh, 11vh);
  position: relative;
  display: grid;
  gap: 0.58rem;
}

.answer-text {
  visibility: hidden;
  text-align: center;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.045em;
  font-size: 0.9rem;
}

.practice-core:has(.kana-hit:hover) #answer {
  visibility: visible;
}

body.timed-active .practice-core:has(.kana-hit:hover) #answer {
  visibility: hidden;
}

.kana-wrap {
  min-height: 220px;
  display: grid;
  place-items: center;
  padding: 0.3rem 0.6rem;
}

.kana-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
  max-width: 100%;
  font-size: clamp(5.2rem, 10vw, 8rem);
  line-height: 1;
  letter-spacing: 0.01em;
  text-align: center;
  font-weight: 560;
  color: color-mix(in srgb, var(--text) 82%, var(--kana-mix));
}

.kana-hit {
  display: inline-block;
  line-height: 1;
  pointer-events: auto;
}

#kana-image {
  max-width: 100%;
  width: min(70vw, 280px);
}

.kana-image-seq {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.2rem, 0.9vw, 0.55rem);
  flex-wrap: nowrap;
  max-width: 100%;
}

.kana-image-glyph {
  display: block;
  max-width: min(20vw, 228px);
  height: auto;
}

#stroke {
  max-width: 100%;
  width: min(70vw, 260px);
}

.input-row {
  position: relative;
  width: min(100%, 30rem);
  margin-inline: auto;
}

.typing-line {
  min-height: 2.1rem;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 0;
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 1.22rem;
  letter-spacing: 0.03em;
  color: color-mix(in srgb, var(--text) 92%, transparent);
  user-select: none;
}

#typed-output {
  display: inline-flex;
  gap: 0;
}

.type-char {
  display: inline-block;
}

.type-char.char-in {
  animation: char-rise 180ms cubic-bezier(0.17, 0.84, 0.44, 1);
}

@keyframes char-rise {
  from {
    opacity: 0;
    transform: translateY(5px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.typing-caret {
  display: inline-block;
  color: color-mix(in srgb, var(--accent) 68%, var(--caret-mix));
  margin-left: 0.02rem;
  transform: translateY(0.02rem);
  animation: caret-soft-blink 1.9s ease-in-out infinite;
}

body.tutorial-step-input #typed-output {
  visibility: hidden;
}

@keyframes caret-soft-blink {
  0% { opacity: 0.25; }
  50% { opacity: 0.95; }
  100% { opacity: 0.25; }
}

.input-row input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  border: none;
  background: transparent;
  color: transparent;
  caret-color: transparent;
}

.input-row input:focus {
  outline: none;
}

button {
  border: 1px solid color-mix(in srgb, var(--border) 88%, transparent);
  background: var(--surface);
  color: color-mix(in srgb, var(--text) 90%, transparent);
  border-radius: 999px;
  padding: 0.52rem 0.68rem;
  font-weight: 600;
  font-size: 0.83rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  transform-origin: center;
  transition:
    border-color 120ms ease,
    background-color 120ms ease,
    box-shadow 120ms ease,
    color 120ms ease,
    transform 120ms ease;
}

button:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: var(--surface-hover);
  transform: translateY(-1px);
}

button:not(:disabled):active {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  background: color-mix(in srgb, var(--surface-hover) 72%, var(--accent));
  box-shadow: inset 0 1px 4px color-mix(in srgb, var(--accent) 18%, transparent);
  transform: translateY(1px) scale(0.985);
  transition-duration: 60ms;
}

.next-row {
  display: flex;
  justify-content: center;
  margin-top: 0.62rem;
}

.history-lane {
  height: min(20vh, 160px);
  margin-top: 0.92rem;
  overflow: hidden;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.68), rgba(0, 0, 0, 0));
}

.correct-stream {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.52rem;
  padding-top: 0.62rem;
}

.trail-item {
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  color: color-mix(in srgb, var(--text) 62%, transparent);
  border: none;
  border-radius: 0;
  padding: 0.08rem 0;
  background: transparent;
  backdrop-filter: none;
  opacity: 0.58;
  will-change: transform;
}

.trail-item.outcome-good {
  color: color-mix(in srgb, var(--accent) 58%, var(--text));
}

.trail-item.outcome-bad {
  color: color-mix(in srgb, var(--danger) 56%, var(--text));
}

.trail-item.new {
  animation: trail-item-in 280ms cubic-bezier(0.2, 0.83, 0.34, 1);
}

@keyframes trail-item-in {
  from {
    opacity: 0;
    transform: translateY(-8px) scale(0.98);
  }
  to {
    opacity: 0.58;
    transform: translateY(0) scale(1);
  }
}

.trail-mover {
  position: fixed;
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
  transform-origin: center;
  pointer-events: none;
  z-index: 40;
  opacity: 0.9;
  will-change: transform, opacity, filter;
}

.score-pill {
  border: none;
  background: transparent;
  box-shadow: none;
  padding: 0.18rem 0.2rem;
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--muted) 82%, transparent);
  opacity: 1;
  backdrop-filter: none;
  cursor: pointer;
  user-select: none;
  transform-origin: center;
}

.score-pill:hover {
  background: transparent;
  border: none;
  color: color-mix(in srgb, var(--accent) 72%, transparent);
  transform: translateY(0);
}

.timed-trigger {
  width: 1.7rem;
  height: 1.7rem;
  border: none;
  padding: 0;
  background: transparent;
  box-shadow: none;
  color: color-mix(in srgb, var(--muted) 74%, transparent);
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  transition: color 140ms ease, opacity 140ms ease, transform 140ms ease, width 180ms ease;
}

.timed-trigger:hover {
  border: none;
  background: transparent;
  color: color-mix(in srgb, var(--accent) 72%, transparent);
  transform: translateY(0);
}

.timed-status-pill {
  display: inline-flex;
  min-width: 2.8rem;
  min-height: 1.7rem;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 58%, transparent);
  color: color-mix(in srgb, var(--text) 82%, transparent);
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

.daily-coverage-pill {
  display: inline-flex;
  max-width: min(34vw, 13rem);
  min-height: 1.55rem;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--border));
  border-radius: 999px;
  padding: 0.16rem 0.52rem;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: color-mix(in srgb, var(--muted) 86%, transparent);
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  box-shadow: none;
  cursor: pointer;
  transition: border-color 140ms ease, background-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.daily-coverage-pill:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  background: color-mix(in srgb, var(--accent) 13%, transparent);
  color: color-mix(in srgb, var(--accent) 76%, var(--text));
  transform: translateY(0);
}

.daily-coverage-pill:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 34%, transparent);
  outline-offset: 2px;
}

body.timed-active .timed-trigger {
  width: 2.8rem;
  color: color-mix(in srgb, var(--text) 82%, transparent);
  pointer-events: none;
}

body.timed-active #score,
body.timed-active #settings-trigger,
body.timed-active .app-help {
  opacity: 0;
  pointer-events: none;
}

.app-topbar {
  position: fixed;
  left: 0;
  right: 0;
  top: clamp(1.15rem, 2vw, 1.4rem);
  z-index: 35;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2.4rem;
  padding: 0 clamp(1.25rem, 2.5vw, 1.75rem);
  background: transparent;
  color: color-mix(in srgb, var(--muted) 84%, transparent);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  overflow: visible;
}

.app-topbar-main,
.app-topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.52rem;
  min-width: 0;
}

.app-topbar-main {
  flex: 1;
  overflow: hidden;
}

.app-topbar-actions {
  justify-content: flex-end;
}

.app-brand-link,
.app-topbar-link {
  border: none;
  background: transparent;
  box-shadow: none;
  color: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  text-decoration: none;
}

.app-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  position: relative;
  min-height: 1.85rem;
  padding: 0;
  color: color-mix(in srgb, var(--text) 88%, transparent);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 830;
  letter-spacing: 0.01em;
  isolation: isolate;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.app-brand-link .brand-mark {
  display: inline-grid;
  width: 1.42rem;
  height: 1.42rem;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--border));
  border-radius: 0.48rem;
  background:
    radial-gradient(circle at 28% 24%, color-mix(in srgb, #ffffff 36%, transparent), transparent 42%),
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 84%, #ffffff), color-mix(in srgb, var(--accent-2) 48%, var(--accent)));
  color: #f7fffb;
  box-shadow: 0 0.42rem 1rem color-mix(in srgb, var(--accent) 17%, transparent);
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  font-size: 0.86rem;
  font-weight: 780;
  line-height: 1;
  transform: rotate(-4deg);
  transition: box-shadow 150ms ease, transform 150ms ease;
}

.app-brand-link::after {
  content: "";
  position: absolute;
  left: 1.78rem;
  right: -0.12rem;
  bottom: 0.08rem;
  z-index: -1;
  height: 0.28rem;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--accent) 22%, transparent),
    color-mix(in srgb, var(--accent) 8%, transparent)
  );
  opacity: 0.78;
  transform: scaleX(0.58);
  transform-origin: left center;
  transition: opacity 150ms ease, transform 150ms ease;
}

.app-brand-link .brand-word {
  position: relative;
}

.app-topbar-link {
  padding: 0.22rem 0.24rem;
  cursor: pointer;
  font: inherit;
}

.app-brand-link:hover,
.app-topbar-link:hover {
  border: none;
  background: transparent;
  color: color-mix(in srgb, var(--accent) 74%, var(--text));
  transform: none;
}

.app-brand-link:hover .brand-mark,
.app-brand-link:focus-visible .brand-mark {
  box-shadow: 0 0.5rem 1.1rem color-mix(in srgb, var(--accent) 24%, transparent);
  transform: rotate(-1deg) translateY(-1px);
}

.app-brand-link:hover::after,
.app-brand-link:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.app-brand-link:focus-visible {
  outline: none;
}

.app-icon-button {
  position: relative;
  width: 1.85rem;
  height: 1.85rem;
  display: grid;
  place-items: center;
  border: none;
  border-radius: 999px;
  padding: 0;
  background: transparent;
  box-shadow: none;
  color: color-mix(in srgb, var(--muted) 78%, transparent);
  font-size: 0.92rem;
  line-height: 1;
  cursor: pointer;
  overflow: hidden;
  transition: color 140ms ease, background-color 140ms ease, box-shadow 140ms ease, opacity 140ms ease, transform 140ms ease;
}

.app-icon-button::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  opacity: 0;
  transform: scale(0.58);
  transition: opacity 120ms ease, transform 120ms ease;
  pointer-events: none;
}

.app-icon-button > * {
  position: relative;
  z-index: 1;
}

.app-icon-button:hover {
  border: none;
  background: color-mix(in srgb, var(--accent) 12%, var(--surface-hover));
  color: color-mix(in srgb, var(--accent) 86%, var(--text));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 28%, var(--border));
  transform: none;
}

.app-icon-button:not(:disabled):active {
  background: color-mix(in srgb, var(--accent) 18%, var(--surface-hover));
  box-shadow: inset 0 1px 5px color-mix(in srgb, var(--accent) 20%, transparent);
  transform: scale(0.92);
}

.app-icon-button:not(:disabled):active::after {
  opacity: 1;
  transform: scale(1);
  transition-duration: 70ms;
}

.app-icon-button:focus,
.app-icon-button:focus-visible {
  outline: none;
}

.app-menu {
  position: relative;
  flex: 0 0 auto;
}

.app-help-trigger[aria-expanded="true"],
.app-menu-trigger[aria-expanded="true"] {
  background: color-mix(in srgb, var(--accent) 12%, var(--surface-hover));
  color: color-mix(in srgb, var(--accent) 86%, var(--text));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 28%, var(--border));
}

.app-menu-bars {
  display: grid;
  gap: 0.18rem;
  width: 0.82rem;
}

.app-menu-bars span {
  display: block;
  width: 100%;
  height: 1px;
  border-radius: 999px;
  background: currentColor;
}

.app-help-icon {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  font-size: 0.86rem;
  font-weight: 760;
  line-height: 1;
}

.app-menu-popover {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 0;
  z-index: 70;
  display: grid;
  gap: 0.55rem;
  width: min(17rem, calc(100vw - 1.7rem));
  max-height: calc(100dvh - 5.4rem);
  overflow-y: auto;
  padding: 0.72rem;
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 96%, transparent);
  color: var(--text);
  box-shadow: var(--shadow);
  letter-spacing: 0;
  text-transform: none;
  backdrop-filter: blur(18px);
  transform-origin: top right;
  animation: app-menu-popover-enter 130ms cubic-bezier(0.18, 0.86, 0.32, 1) both;
  will-change: opacity, transform;
}

@keyframes app-menu-popover-enter {
  from {
    opacity: 0;
    transform: translateY(-0.22rem) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.app-menu-section {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}

.app-menu-section + .app-menu-section {
  padding-top: 0.55rem;
  border-top: 1px solid color-mix(in srgb, var(--border) 58%, transparent);
}

.app-menu-item {
  display: grid;
  width: 100%;
  min-height: 2.1rem;
  align-items: center;
  justify-items: start;
  border: none;
  border-radius: 8px;
  padding: 0.42rem 0.58rem;
  background: transparent;
  color: color-mix(in srgb, var(--text) 88%, transparent);
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 720;
  letter-spacing: 0;
  text-align: left;
  text-decoration: none;
}

.app-menu-item:hover {
  border: none;
  background: color-mix(in srgb, var(--accent) 9%, transparent);
  color: color-mix(in srgb, var(--accent) 84%, var(--text));
  transform: none;
}

.app-menu-help {
  margin: 0;
  padding: 0 0.58rem 0.18rem;
  color: color-mix(in srgb, var(--muted) 88%, transparent);
  font-size: 0.74rem;
  font-weight: 650;
  line-height: 1.45;
}

.app-menu-switch-row {
  display: flex;
  min-height: 2.45rem;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  border-radius: 8px;
  padding: 0.5rem 0.58rem;
  color: color-mix(in srgb, var(--text) 88%, transparent);
  font-size: 0.82rem;
  font-weight: 720;
}

.app-menu-switch-row input {
  position: relative;
  flex: 0 0 auto;
  width: 2.5rem;
  height: 1.38rem;
  margin: 0;
  appearance: none;
  border: 1px solid color-mix(in srgb, var(--border) 86%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-soft) 82%, transparent);
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease;
}

.app-menu-switch-row input::before {
  content: "";
  position: absolute;
  top: 0.18rem;
  left: 0.18rem;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--muted) 88%, transparent);
  transition: background-color 140ms ease, transform 140ms ease;
}

.app-menu-switch-row input:checked {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  background: color-mix(in srgb, var(--accent) 22%, var(--surface-soft));
}

.app-menu-switch-row input:checked::before {
  background: var(--accent);
  transform: translateX(1.1rem);
}

.app-menu-switch-row input:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 34%, transparent);
  outline-offset: 2px;
}

.settings-copy {
  margin: 0.6rem 0 0;
  color: color-mix(in srgb, var(--muted) 88%, transparent);
  font-size: 0.86rem;
  line-height: 1.6;
}

.settings-block > .settings-copy:first-child {
  margin-top: 0;
}

.tutorial-layer {
  position: fixed;
  inset: 0;
  z-index: 95;
  pointer-events: none;
}

.tutorial-hit-shield {
  position: fixed;
  z-index: 0;
  background: transparent;
  pointer-events: auto;
}

.tutorial-spotlight {
  position: fixed;
  z-index: 1;
  border: 1px solid color-mix(in srgb, var(--accent) 70%, var(--border));
  border-radius: 14px;
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent),
    0 12px 30px color-mix(in srgb, #000 14%, transparent);
  pointer-events: none;
  transition: none;
  animation: tutorial-spotlight-heartbeat 1.7s ease-in-out infinite;
}

@keyframes tutorial-spotlight-heartbeat {
  0%,
  100% {
    border-color: color-mix(in srgb, var(--accent) 62%, var(--border));
    box-shadow:
      0 0 0 3px color-mix(in srgb, var(--accent) 10%, transparent),
      0 12px 30px color-mix(in srgb, #000 13%, transparent);
  }
  42% {
    border-color: color-mix(in srgb, var(--accent) 84%, var(--border));
    box-shadow:
      0 0 0 5px color-mix(in srgb, var(--accent) 18%, transparent),
      0 0 22px color-mix(in srgb, var(--accent) 18%, transparent),
      0 14px 34px color-mix(in srgb, #000 15%, transparent);
  }
  58% {
    border-color: color-mix(in srgb, var(--accent) 74%, var(--border));
    box-shadow:
      0 0 0 4px color-mix(in srgb, var(--accent) 14%, transparent),
      0 0 16px color-mix(in srgb, var(--accent) 14%, transparent),
      0 12px 30px color-mix(in srgb, #000 14%, transparent);
  }
}

.tutorial-typing-sample {
  position: fixed;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  color: color-mix(in srgb, var(--text) 92%, transparent);
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 1.22rem;
  letter-spacing: 0.03em;
  line-height: 1;
  pointer-events: none;
}

.tutorial-sample-text {
  animation: tutorial-sample-enter 260ms cubic-bezier(0.17, 0.84, 0.44, 1) both;
}

.tutorial-sample-caret {
  color: color-mix(in srgb, var(--accent) 68%, var(--caret-mix));
  animation: caret-soft-blink 1.9s ease-in-out infinite;
}

@keyframes tutorial-sample-enter {
  from {
    opacity: 0;
    transform: translateY(5px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.tutorial-bubble {
  position: fixed;
  z-index: 3;
  display: grid;
  gap: 0.42rem;
  padding: 0.68rem;
  border: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
  border-radius: 9px;
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 12px 28px color-mix(in srgb, #000 16%, transparent);
  pointer-events: auto;
  transition: none;
  transform-origin: center;
  animation: tutorial-bubble-enter 130ms ease-out both;
  will-change: opacity, transform;
}

@keyframes tutorial-bubble-enter {
  from {
    opacity: 0;
    transform: scale(0.985);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.tutorial-bubble::before {
  content: "";
  position: absolute;
  left: var(--tutorial-arrow-left, 50%);
  width: 0.62rem;
  height: 0.62rem;
  background: var(--panel);
  border: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
  transform: translateX(-50%) rotate(45deg);
}

.tutorial-bubble.below::before {
  top: -0.35rem;
  border-right: 0;
  border-bottom: 0;
}

.tutorial-bubble.above::before {
  bottom: -0.35rem;
  border-left: 0;
  border-top: 0;
}

.tutorial-bubble.right::before,
.tutorial-bubble.left::before {
  top: var(--tutorial-arrow-top, 50%);
  transform: translateY(-50%) rotate(45deg);
}

.tutorial-bubble.right::before {
  left: -0.35rem;
  border-right: 0;
  border-top: 0;
}

.tutorial-bubble.left::before {
  right: -0.35rem;
  left: auto;
  border-left: 0;
  border-bottom: 0;
}

.tutorial-bubble h2 {
  margin: 0;
  color: color-mix(in srgb, var(--text) 92%, transparent);
  font-size: 0.92rem;
  line-height: 1.2;
}

.tutorial-bubble p {
  margin: 0;
  color: color-mix(in srgb, var(--muted) 90%, transparent);
  font-size: 0.78rem;
  line-height: 1.45;
}

.tutorial-count {
  color: color-mix(in srgb, var(--accent) 82%, var(--muted)) !important;
  font-size: 0.61rem !important;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tutorial-actions {
  display: flex;
  justify-content: space-between;
  gap: 0.42rem;
  margin-top: 0.12rem;
}

.tutorial-actions button {
  min-height: 2.05rem;
  border-radius: 7px;
  padding: 0.42rem 0.56rem;
  border: 1px solid color-mix(in srgb, var(--border) 76%, transparent);
  background: color-mix(in srgb, var(--surface) 84%, transparent);
  color: color-mix(in srgb, var(--text) 86%, transparent);
  cursor: pointer;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 740;
}

.tutorial-actions button:hover {
  background: color-mix(in srgb, var(--accent) 10%, var(--surface-hover));
  color: color-mix(in srgb, var(--accent) 86%, var(--text));
  transform: none;
}

.tutorial-actions .primary-action {
  border-color: color-mix(in srgb, var(--accent) 46%, var(--border));
  background: color-mix(in srgb, var(--accent) 16%, var(--surface));
  color: color-mix(in srgb, var(--accent) 88%, var(--text));
}

.score-flash-good {
  color: color-mix(in srgb, var(--accent) 92%, var(--text)) !important;
}

.score-flash-bad {
  color: color-mix(in srgb, var(--danger) 92%, var(--text)) !important;
}

.app-help .help-card {
  left: auto;
  right: 0;
  top: calc(100% + 0.5rem);
  text-align: left;
}

.notice-banner {
  position: fixed;
  left: 50%;
  top: 1rem;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  max-width: min(680px, calc(100vw - 2rem));
  padding: 0.45rem 0.55rem 0.45rem 0.72rem;
  border: 1px solid color-mix(in srgb, var(--accent-2) 46%, var(--border));
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  color: color-mix(in srgb, var(--text) 86%, transparent);
  box-shadow: var(--shadow);
  font-size: 0.76rem;
  line-height: 1.35;
  transform: translateX(-50%);
  backdrop-filter: blur(14px);
}

.notice-banner button,
.notice-banner a {
  padding: 0.28rem 0.54rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.score-pill.flash-good {
  animation: score-flash-good 340ms cubic-bezier(0.2, 0.82, 0.28, 1);
}

.score-pill.flash-bad {
  animation: score-flash-bad 340ms cubic-bezier(0.2, 0.82, 0.28, 1);
}

@keyframes score-flash-good {
  0% { color: color-mix(in srgb, var(--accent) 92%, var(--text)); transform: scale(1); }
  45% { color: color-mix(in srgb, var(--accent) 96%, #0fb89f); transform: scale(1.12); }
  100% { color: color-mix(in srgb, var(--muted) 82%, transparent); transform: scale(1); }
}

@keyframes score-flash-bad {
  0% { color: color-mix(in srgb, var(--danger) 90%, var(--text)); transform: scale(1); }
  45% { color: color-mix(in srgb, var(--danger) 96%, #da5a4d); transform: scale(1.12); }
  100% { color: color-mix(in srgb, var(--muted) 82%, transparent); transform: scale(1); }
}

.next-link {
  border: none;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
  color: color-mix(in srgb, var(--muted) 72%, transparent);
  opacity: 1;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.18rem 0.22rem;
  transition: opacity 150ms ease, color 150ms ease, transform 150ms ease;
}

.next-link:hover {
  background: transparent;
  transform: translateY(0);
  border: none;
  color: color-mix(in srgb, var(--accent) 72%, transparent);
  opacity: 1;
}

.wrong {
  color: var(--danger);
  font-weight: 700;
}

.settings-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.2rem;
}

.settings-top h2 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted) 86%, transparent);
  font-weight: 600;
}

.settings-close {
  border: none;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  color: color-mix(in srgb, var(--muted) 82%, transparent);
  opacity: 1;
  padding: 0.18rem 0.24rem;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.settings-close:hover {
  color: color-mix(in srgb, var(--accent) 72%, transparent);
  background: transparent;
  border: none;
  transform: translateY(0);
}

.settings-block {
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  padding-top: 0.7rem;
  margin-top: 0.75rem;
  content-visibility: auto;
  contain: layout paint style;
  contain-intrinsic-size: 420px;
}

.settings-block h3 {
  margin: 0.2rem 0 0.6rem;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted) 78%, transparent);
  font-weight: 600;
}

.settings-page.compact-panel {
  width: min(460px, calc(100vw - 2rem));
}

.compact-panel .settings-block {
  contain-intrinsic-size: 180px;
}

.panel-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.25rem;
  margin-top: 0.75rem;
  padding: 0.2rem;
  border: 1px solid color-mix(in srgb, var(--border) 58%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 72%, transparent);
}

.panel-tabs button {
  min-height: 2rem;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: color-mix(in srgb, var(--muted) 86%, transparent);
  cursor: pointer;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 760;
  letter-spacing: 0.04em;
}

.panel-tabs button:hover {
  border: none;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: color-mix(in srgb, var(--accent) 82%, var(--text));
  transform: none;
}

.panel-tabs button[aria-selected="true"] {
  background: color-mix(in srgb, var(--accent) 14%, var(--surface-selected));
  color: color-mix(in srgb, var(--accent) 88%, var(--text));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 26%, transparent);
}

.prompt-order-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.26rem;
  margin-top: 0.65rem;
  border: 1px solid color-mix(in srgb, var(--border) 58%, transparent);
  border-radius: 8px;
  padding: 0.22rem;
  background: color-mix(in srgb, var(--surface) 72%, transparent);
}

.prompt-order-option {
  display: grid;
  min-height: 3.1rem;
  gap: 0.15rem;
  align-content: center;
  border: none;
  border-radius: 7px;
  padding: 0.48rem 0.62rem;
  background: transparent;
  color: color-mix(in srgb, var(--muted) 86%, transparent);
  text-align: left;
  box-shadow: none;
  cursor: pointer;
}

.prompt-order-option:hover {
  border: none;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: color-mix(in srgb, var(--accent) 82%, var(--text));
  transform: none;
}

.prompt-order-option[aria-pressed="true"] {
  background: color-mix(in srgb, var(--accent) 14%, var(--surface-selected));
  color: color-mix(in srgb, var(--accent) 88%, var(--text));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 26%, transparent);
}

.prompt-order-option strong {
  color: color-mix(in srgb, var(--text) 88%, transparent);
  font-size: 0.78rem;
  font-weight: 780;
}

.prompt-order-option span {
  color: color-mix(in srgb, var(--muted) 82%, transparent);
  font-size: 0.66rem;
  font-weight: 560;
  line-height: 1.3;
}

.prompt-order-option[aria-pressed="true"] strong {
  color: color-mix(in srgb, var(--accent) 88%, var(--text));
}

.prompt-order-option[aria-pressed="true"] span {
  color: color-mix(in srgb, var(--accent) 72%, var(--muted));
}

.support-overview-block {
  border-top: 0;
  margin-top: 0.55rem;
  padding-top: 0.15rem;
}

.panel-feature-list {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.9rem;
}

.panel-feature-list span {
  position: relative;
  padding-left: 0.88rem;
  color: color-mix(in srgb, var(--text) 82%, transparent);
  font-size: 0.78rem;
  font-weight: 650;
}

.panel-feature-list span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.47em;
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 999px;
  background: var(--accent);
}

.panel-actions {
  display: grid;
  gap: 0.7rem;
}

.panel-feature-list + .panel-actions {
  margin-top: 0.95rem;
}

.panel-primary-action,
.panel-secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  text-decoration: none;
}

.panel-primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 2.5rem;
  border: 1px solid color-mix(in srgb, var(--accent) 46%, var(--border));
  background: color-mix(in srgb, var(--accent) 18%, var(--surface));
  color: color-mix(in srgb, var(--accent) 90%, var(--text));
  font-size: 0.82rem;
  font-weight: 780;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.panel-primary-action:hover {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  background: color-mix(in srgb, var(--accent) 24%, var(--surface-selected));
  color: color-mix(in srgb, var(--accent) 94%, var(--text));
  transform: translateY(0);
}

.panel-primary-action:disabled {
  cursor: wait;
  opacity: 0.66;
}

.support-panel-message {
  margin: 0;
  color: color-mix(in srgb, var(--muted) 92%, transparent);
  font-size: 0.75rem;
  font-weight: 620;
  line-height: 1.45;
}

.support-panel-message.error {
  color: var(--danger);
}

.support-legal-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.8rem;
  padding-top: 0.72rem;
  border-top: 1px solid color-mix(in srgb, var(--border) 58%, transparent);
  color: color-mix(in srgb, var(--muted) 78%, transparent);
  font-size: 0.72rem;
  font-weight: 720;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.support-legal-links button {
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  text-transform: inherit;
  letter-spacing: inherit;
  cursor: pointer;
  padding: 0.2rem 0.1rem;
  box-shadow: none;
}

.support-legal-links button:hover,
.support-legal-links button:focus-visible {
  color: color-mix(in srgb, var(--accent) 82%, var(--text));
  background: transparent;
  transform: none;
}

.support-copyright {
  margin: 0.45rem 0 0;
  color: color-mix(in srgb, var(--muted) 88%, transparent);
  font-size: 0.86rem;
  font-weight: 400;
  line-height: 1.6;
  text-align: center;
}

.feedback-form {
  display: grid;
  gap: 0.75rem;
}

.support-feedback-block .feedback-form {
  margin-top: 0.8rem;
}

.feedback-form label {
  display: grid;
  gap: 0.34rem;
  color: color-mix(in srgb, var(--muted) 84%, transparent);
  font-size: 0.72rem;
  font-weight: 740;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.feedback-form select,
.feedback-form textarea,
.feedback-form input {
  width: 100%;
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  color: var(--text);
  font: inherit;
  font-size: 0.86rem;
  letter-spacing: 0;
  outline: none;
  text-transform: none;
}

.feedback-form select {
  min-height: 2.45rem;
  padding: 0 0.7rem;
}

.feedback-form textarea {
  min-height: 8rem;
  padding: 0.68rem 0.75rem;
  resize: vertical;
  line-height: 1.45;
}

.feedback-form select:focus,
.feedback-form textarea:focus,
.feedback-form input:focus {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent);
}

.feedback-form-footer {
  display: grid;
  gap: 0.5rem;
}

.feedback-form-footer span {
  justify-self: end;
  color: color-mix(in srgb, var(--muted) 76%, transparent);
  font-size: 0.7rem;
  font-weight: 680;
}

.feedback-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.data-panel-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0.45rem 0.7rem;
  margin-top: 0.8rem;
}

.panel-secondary-action {
  min-height: 2rem;
  border: none;
  background: transparent;
  box-shadow: none;
  color: color-mix(in srgb, var(--muted) 82%, transparent);
  padding: 0.18rem 0;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.panel-secondary-action:hover {
  border: none;
  background: transparent;
  color: color-mix(in srgb, var(--accent) 78%, var(--text));
  transform: none;
}

.legal-panel-copy h3 {
  margin: 0 0 0.35rem;
}

.data-import-input {
  display: none;
}

.legal-panel-copy {
  margin-top: 0.8rem;
}

.legal-copy-stack {
  display: grid;
  gap: 0.9rem;
}

.legal-copy-stack section {
  display: grid;
  gap: 0.2rem;
}

.legal-effective-date {
  margin-top: 0;
  font-size: 0.78rem;
  font-weight: 680;
}

.setting-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: color-mix(in srgb, var(--text) 88%, transparent);
  font-size: 0.93rem;
  font-weight: 600;
}

.setting-toggle-copy {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
}

.setting-toggle-copy strong {
  color: color-mix(in srgb, var(--text) 90%, transparent);
  font-size: 0.9rem;
  font-weight: 650;
}

.setting-toggle-copy small {
  max-width: 31rem;
  color: color-mix(in srgb, var(--muted) 82%, transparent);
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.4;
}

.kana-option-row {
  margin-bottom: 0.8rem;
  border: 1px solid color-mix(in srgb, var(--border) 58%, transparent);
  border-radius: 8px;
  padding: 0.65rem 0.7rem;
  background: color-mix(in srgb, var(--surface-soft) 72%, transparent);
}

.setting-toggle-row input {
  appearance: none;
  -webkit-appearance: none;
  width: 2.7rem;
  height: 1.45rem;
  position: relative;
  flex: 0 0 auto;
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  border-radius: 999px;
  background: var(--surface-soft);
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease;
}

.setting-toggle-row input::before {
  content: "";
  position: absolute;
  left: 0.18rem;
  top: 50%;
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  background: var(--panel);
  box-shadow: 0 1px 3px rgba(8, 44, 39, 0.16);
  transform: translateY(-50%);
  transition: transform 150ms ease, background-color 150ms ease;
}

.setting-toggle-row input:checked {
  border-color: color-mix(in srgb, var(--accent) 62%, var(--border));
  background: color-mix(in srgb, var(--accent) 72%, var(--surface-selected));
}

.setting-toggle-row input:checked::before {
  background: var(--thumb-bg);
  transform: translate(1.28rem, -50%);
}

.setting-toggle-row input:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 34%, transparent);
  outline-offset: 2px;
}

.range-grid {
  display: grid;
  gap: 0.45rem;
}

.range-grid label {
  font-size: 0.93rem;
  color: var(--muted);
}

.range-grid input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 18px;
  background: transparent;
  outline: none;
}

.range-grid input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--accent) 62%, #9be1d7),
    color-mix(in srgb, var(--accent) 35%, #d4efea)
  );
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--border) 65%, transparent);
}

.range-grid input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--thumb-bg);
  border: 1px solid color-mix(in srgb, var(--accent) 58%, var(--border));
  box-shadow: 0 0 0 0 rgba(11, 138, 121, 0);
  margin-top: -5px;
  transition: box-shadow 150ms ease, transform 140ms ease, border-color 140ms ease;
}

.range-grid input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--accent) 62%, #9be1d7),
    color-mix(in srgb, var(--accent) 35%, #d4efea)
  );
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--border) 65%, transparent);
}

.range-grid input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--thumb-bg);
  border: 1px solid color-mix(in srgb, var(--accent) 58%, var(--border));
  box-shadow: 0 0 0 0 rgba(11, 138, 121, 0);
  transition: box-shadow 150ms ease, transform 140ms ease, border-color 140ms ease;
}

.range-grid input[type="range"].thumb-hover::-webkit-slider-thumb {
  box-shadow: 0 0 0 3px rgba(11, 138, 121, 0.14);
}

.range-grid input[type="range"].thumb-hover::-moz-range-thumb {
  box-shadow: 0 0 0 3px rgba(11, 138, 121, 0.14);
}

.range-grid input[type="range"]:active::-webkit-slider-thumb {
  box-shadow: 0 0 0 6px rgba(11, 138, 121, 0.18);
  transform: scale(1.05);
  border-color: color-mix(in srgb, var(--accent) 70%, var(--border));
}

.range-grid input[type="range"]:active::-moz-range-thumb {
  box-shadow: 0 0 0 6px rgba(11, 138, 121, 0.18);
  transform: scale(1.05);
  border-color: color-mix(in srgb, var(--accent) 70%, var(--border));
}

.range-grid input[type="range"]:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 0 0 4px rgba(11, 138, 121, 0.16);
}

.range-grid input[type="range"]:focus-visible::-moz-range-thumb {
  box-shadow: 0 0 0 4px rgba(11, 138, 121, 0.16);
}

.toggle-grid {
  display: grid;
  gap: 0.4rem;
}

.toggle-grid label {
  font-size: 0.93rem;
}

.inline-actions {
  display: flex;
  gap: 0.45rem;
  margin-bottom: 0.5rem;
}

.inline-actions button {
  padding: 0.3rem 0.6rem;
  font-size: 0.85rem;
}

.kana-script-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.kana-script-panel {
  border: 1px solid color-mix(in srgb, var(--border) 56%, transparent);
  border-radius: 12px;
  padding: 0.52rem;
  background: var(--panel);
  contain: layout paint style;
  content-visibility: auto;
  contain-intrinsic-size: 280px;
}

.kana-script-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.kana-script-head h4 {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted) 84%, transparent);
  font-weight: 600;
}

.kana-script-head .inline-actions {
  margin-bottom: 0;
}

.kana-script-head .inline-actions button {
  padding: 0.2rem 0.46rem;
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-color: color-mix(in srgb, var(--border) 64%, transparent);
}

.kana-table {
  display: grid;
  gap: 0.4rem;
}

.kana-row {
  display: grid;
  grid-template-columns: minmax(88px, 104px) 1fr;
  gap: 0.4rem;
  align-items: start;
}

.kana-row-toggle {
  border-radius: 9px;
  padding: 0.34rem 0.44rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: left;
  line-height: 1.12;
  border-color: color-mix(in srgb, var(--border) 66%, transparent);
  background: var(--surface);
  color: color-mix(in srgb, var(--muted) 90%, transparent);
}

.kana-row-toggle[data-state="on"] {
  border-color: color-mix(in srgb, var(--accent) 52%, var(--border));
  color: color-mix(in srgb, var(--accent) 80%, transparent);
  background: var(--surface-selected);
}

.kana-row-toggle[data-state="mixed"] {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  color: color-mix(in srgb, var(--text) 86%, transparent);
  background: var(--surface-hover);
}

.kana-cells {
  display: flex;
  flex-wrap: wrap;
  gap: 0.32rem;
}

.kana-toggle {
  border-radius: 10px;
  padding: 0.27rem 0.38rem 0.24rem;
  min-width: 2.7rem;
  border-color: color-mix(in srgb, var(--border) 66%, transparent);
  background: var(--surface);
  display: grid;
  gap: 0.04rem;
  justify-items: center;
  transition: border-color 110ms ease, background-color 110ms ease, opacity 110ms ease, transform 110ms ease;
}

.kana-toggle[aria-pressed="false"] {
  opacity: 1;
  color: color-mix(in srgb, var(--muted) 70%, transparent);
  background: var(--surface-soft);
}

.kana-toggle[aria-pressed="true"] {
  opacity: 1;
  border-color: color-mix(in srgb, var(--accent) 52%, var(--border));
  background: var(--surface-selected);
}

.kana-toggle:hover {
  transform: translateY(0);
  border-color: color-mix(in srgb, var(--accent) 48%, var(--border));
}

.kana-glyph {
  font-size: 1.04rem;
  line-height: 1;
  color: color-mix(in srgb, var(--text) 90%, transparent);
}

.kana-reading {
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: color-mix(in srgb, var(--muted) 86%, transparent);
}

.chip-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.chip {
  border: 1px solid color-mix(in srgb, var(--border) 58%, transparent);
  border-radius: 11px;
  padding: 0.48rem 0.6rem;
  background: var(--panel);
  contain: layout paint style;
}

.chip label {
  display: flex;
  gap: 0.42rem;
  align-items: start;
  font-size: 0.86rem;
  cursor: pointer;
}

.chip .line-1 {
  font-weight: 600;
  color: color-mix(in srgb, var(--text) 88%, transparent);
}

.chip .line-2 {
  color: color-mix(in srgb, var(--muted) 82%, transparent);
  font-size: 0.78rem;
}

.settings-flyout {
  position: fixed;
  inset: 0;
  z-index: 30;
  pointer-events: none;
}

.settings-flyout.open {
  z-index: 50;
  pointer-events: auto;
}

.settings-flyout.from-timed {
  z-index: 45;
}

.settings-overlay {
  position: fixed;
  inset: 0;
  display: grid;
  align-items: start;
  justify-items: center;
  padding: clamp(3.7rem, 7.5vh, 5.2rem) 1rem 1rem;
  background: var(--overlay-bg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 180ms ease, visibility 180ms ease;
  z-index: 0;
}

.stats-overlay {
  position: fixed;
  inset: 0;
  display: grid;
  align-items: start;
  justify-items: center;
  padding: clamp(3.7rem, 7.5vh, 5.2rem) 1rem 1rem;
  background: var(--overlay-bg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 180ms ease, visibility 180ms ease;
  z-index: 35;
}

.timed-overlay {
  z-index: 36;
}

.timed-page:has(.timed-setup:not([hidden])) {
  width: min(620px, 94vw);
}

.settings-page {
  width: min(1040px, calc(100vw - 2rem));
  max-height: calc(100dvh - clamp(4.4rem, 9vh, 6rem));
  overflow: auto;
  padding: 0.9rem 0.95rem 1rem;
  border: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
  box-shadow: var(--shadow);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  transform: translateY(-8px) scale(0.985);
  transition: opacity 180ms ease, transform 180ms ease;
  will-change: transform, opacity;
  contain: layout paint style;
}

.stats-page {
  width: min(1040px, calc(100vw - 2rem));
  max-height: calc(100dvh - clamp(4.4rem, 9vh, 6rem));
  overflow: auto;
  padding: 0.9rem 0.95rem 1rem;
  border: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
  box-shadow: var(--shadow);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  transform: translateY(-8px) scale(0.985);
  transition: opacity 180ms ease, transform 180ms ease;
  will-change: transform, opacity;
  contain: layout paint style;
}

.settings-flyout.open .settings-overlay {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.settings-flyout.open .settings-page {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.stats-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.stats-overlay.open .stats-page {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.timed-view[hidden],
.timed-result-actions button[hidden] {
  display: none;
}

.timed-setup {
  min-height: min(52vh, 440px);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 1.35rem;
  padding: clamp(1.5rem, 5vh, 3.2rem) clamp(0.75rem, 4vw, 2.4rem);
  text-align: center;
}

.timed-intro {
  max-width: 510px;
}

.timed-kicker {
  margin: 0 0 0.45rem;
  color: color-mix(in srgb, var(--accent) 72%, transparent);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.timed-intro h3 {
  margin: 0;
  color: color-mix(in srgb, var(--text) 88%, transparent);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 560;
  letter-spacing: -0.025em;
}

.timed-intro p:last-child {
  margin: 0.7rem auto 0;
  color: color-mix(in srgb, var(--muted) 82%, transparent);
  font-size: 0.8rem;
  line-height: 1.55;
}

.timed-duration {
  display: flex;
  gap: 0.22rem;
  padding: 0.2rem;
  border: 1px solid color-mix(in srgb, var(--border) 64%, transparent);
  border-radius: 999px;
  background: var(--surface-soft);
}

.timed-duration button {
  min-width: 4.3rem;
  border: none;
  background: transparent;
  box-shadow: none;
  color: color-mix(in srgb, var(--muted) 82%, transparent);
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 0.76rem;
}

.timed-duration button:hover {
  border: none;
  background: var(--surface-hover);
  transform: translateY(0);
}

.timed-duration button[aria-pressed="true"] {
  background: var(--panel);
  color: color-mix(in srgb, var(--accent) 78%, var(--text));
  box-shadow: 0 1px 4px rgba(8, 44, 39, 0.09);
}

.timed-settings-summary {
  margin: -0.35rem 0 0;
  color: color-mix(in srgb, var(--muted) 72%, transparent);
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 0.68rem;
}

.timed-setup-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.timed-primary {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  padding: 0.55rem 1.15rem;
  background: var(--surface-selected);
  color: color-mix(in srgb, var(--accent) 82%, var(--text));
  box-shadow: none;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.timed-primary:hover {
  border-color: color-mix(in srgb, var(--accent) 70%, var(--border));
  background: color-mix(in srgb, var(--surface-selected) 82%, var(--accent));
}

.timed-result-hero {
  min-height: 12rem;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.1rem;
  padding: 1rem 0;
}

.timed-kpm {
  color: color-mix(in srgb, var(--text) 86%, transparent);
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: clamp(3.5rem, 9vw, 6rem);
  font-weight: 450;
  letter-spacing: -0.08em;
  line-height: 1;
}

.timed-kpm-label {
  color: color-mix(in srgb, var(--accent) 66%, var(--muted));
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.timed-result-date {
  margin-top: 0.4rem;
  color: color-mix(in srgb, var(--muted) 68%, transparent);
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 0.64rem;
}

.timed-result-config {
  color: color-mix(in srgb, var(--muted) 74%, transparent);
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 0.68rem;
}

.timed-result-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.9rem;
}

.stats-danger-action {
  color: color-mix(in srgb, var(--danger) 68%, var(--muted));
}

.stats-danger-action:hover {
  color: var(--danger);
}

.stats-tabs {
  width: fit-content;
  display: flex;
  gap: 0.18rem;
  margin-top: 0.7rem;
  padding: 0.18rem;
  border: 1px solid color-mix(in srgb, var(--border) 64%, transparent);
  border-radius: 999px;
  background: var(--surface-soft);
}

.stats-tab {
  border: none;
  border-radius: 999px;
  padding: 0.3rem 0.62rem;
  background: transparent;
  color: color-mix(in srgb, var(--muted) 86%, transparent);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: none;
  transition: color 120ms ease, background-color 120ms ease;
}

.stats-tab:hover {
  border: none;
  background: var(--surface-hover);
  transform: translateY(0);
}

.stats-tab[aria-pressed="true"] {
  background: var(--panel);
  color: color-mix(in srgb, var(--accent) 78%, var(--text));
  box-shadow: 0 1px 4px rgba(8, 44, 39, 0.09);
}

.stats-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 0.6rem;
  margin-top: 0.8rem;
}

.stats-detail-head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 0.72rem;
  flex-wrap: wrap;
}

.stats-detail-title {
  flex: 1;
  font-size: 0.76rem;
  color: color-mix(in srgb, var(--muted) 84%, transparent);
}

.stats-metric {
  border: 1px solid color-mix(in srgb, var(--border) 58%, transparent);
  border-radius: 10px;
  padding: 0.55rem 0.6rem;
  background: var(--surface);
  display: grid;
  gap: 0.12rem;
}

.stats-value {
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 1rem;
  color: color-mix(in srgb, var(--text) 88%, transparent);
}

.stats-label {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted) 78%, transparent);
}

.stats-row-label {
  cursor: default;
}

.stats-row-label:hover {
  border-color: color-mix(in srgb, var(--border) 66%, transparent);
  background: var(--surface);
  color: color-mix(in srgb, var(--muted) 90%, transparent);
}

.stats-kana-tile {
  border: 1px solid color-mix(in srgb, var(--border) 66%, transparent);
  border-radius: 10px;
  padding: 0.27rem 0.38rem 0.24rem;
  min-width: 3.15rem;
  background: var(--surface-soft);
  display: grid;
  gap: 0.04rem;
  justify-items: center;
}

.stats-kana-tile[data-band="good"] {
  border-color: color-mix(in srgb, var(--accent) 46%, var(--border));
  background: var(--good-bg);
}

.stats-kana-tile[data-band="mid"] {
  border-color: color-mix(in srgb, var(--accent-2) 42%, var(--border));
  background: var(--mid-bg);
}

.stats-kana-tile[data-band="bad"] {
  border-color: color-mix(in srgb, var(--danger) 40%, var(--border));
  background: var(--bad-bg);
}

.stats-tile-detail {
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 0.56rem;
  letter-spacing: 0.02em;
  color: color-mix(in srgb, var(--muted) 82%, transparent);
}

.stats-history {
  margin-top: 0.8rem;
}

.stats-summary[hidden],
.stats-map-block[hidden],
.stats-history[hidden],
.stats-detail-head[hidden],
.stats-metric[hidden] {
  display: none;
}

.stats-history-list {
  display: grid;
  gap: 0.42rem;
}

.stats-history-row {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(150px, 0.7fr) 1fr;
  align-items: center;
  gap: 0.8rem;
  padding: 0.62rem 0.68rem;
  border: 1px solid color-mix(in srgb, var(--border) 62%, transparent);
  border-radius: 8px;
  background: var(--surface);
  color: inherit;
  text-align: left;
  box-shadow: none;
  transition: border-color 120ms ease, background-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
}

.stats-history-row:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  background: var(--surface-hover);
  transform: translateY(0);
}

.stats-history-row:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 44%, transparent);
  outline-offset: 2px;
}

.stats-history-date {
  font-size: 0.78rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--text) 86%, transparent);
}

.stats-history-details {
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  font-size: 0.68rem;
  color: color-mix(in srgb, var(--muted) 86%, transparent);
}

.daily-history-row {
  cursor: default;
}

.daily-history-row:hover {
  border-color: color-mix(in srgb, var(--border) 62%, transparent);
  background: var(--surface);
}

.daily-history-copy {
  display: grid;
  justify-items: end;
  gap: 0.28rem;
  text-align: right;
}

.daily-history-copy strong {
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  color: color-mix(in srgb, var(--accent) 74%, var(--text));
  font-size: 0.78rem;
  font-weight: 780;
}

.daily-history-copy span {
  font-family: "SF Mono", "Menlo", "Monaco", "Cascadia Mono", "Consolas", monospace;
  color: color-mix(in srgb, var(--muted) 86%, transparent);
  font-size: 0.68rem;
  line-height: 1.35;
}

.stats-history-empty {
  margin: 1.4rem 0;
  text-align: center;
  color: color-mix(in srgb, var(--muted) 76%, transparent);
  font-size: 0.82rem;
}

.app-brand-link:not(:disabled):active {
  border: none;
  background: transparent;
  box-shadow: none;
  transform: none;
}

.app-brand-link:active .brand-mark {
  box-shadow: 0 0.22rem 0.55rem color-mix(in srgb, var(--accent) 15%, transparent);
  transform: rotate(-2deg) translateY(1px) scale(0.95);
  transition-duration: 60ms;
}

.app-brand-link:active::after {
  opacity: 0.9;
  transform: scaleX(0.86);
  transition-duration: 60ms;
}

.score-pill:active,
.timed-trigger:active,
.next-link:not(:disabled):active,
.settings-close:not(:disabled):active {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
  color: color-mix(in srgb, var(--accent) 82%, var(--text));
  transform: translateY(1px) scale(0.96);
  transition-duration: 60ms;
}

.next-link:not(:disabled):active,
.settings-close:not(:disabled):active {
  border: none;
  outline: none;
}

.stats-danger-action:not(:disabled):active {
  border: none;
  background: transparent;
  box-shadow: none;
  color: color-mix(in srgb, var(--danger) 88%, var(--text));
  text-shadow: 0 0 10px color-mix(in srgb, var(--danger) 18%, transparent);
  transform: translateY(1px) scale(0.96);
  transition-duration: 60ms;
}

.app-menu-item:not(:disabled):active,
.stats-history-row:not(:disabled):active {
  background: color-mix(in srgb, var(--accent) 13%, var(--surface-hover));
  box-shadow: inset 0 1px 4px color-mix(in srgb, var(--accent) 16%, transparent);
  transform: translateY(1px) scale(0.992);
  transition-duration: 60ms;
}

.panel-primary-action:not(:disabled):active,
.tutorial-actions button:not(:disabled):active,
.timed-primary:not(:disabled):active,
.notice-banner button:not(:disabled):active {
  box-shadow: inset 0 1px 4px color-mix(in srgb, var(--accent) 18%, transparent);
  transform: translateY(1px) scale(0.975);
  transition-duration: 60ms;
}

.panel-primary-action:not(:disabled):active,
.tutorial-actions .primary-action:not(:disabled):active,
.timed-primary:not(:disabled):active {
  background: color-mix(in srgb, var(--accent) 24%, var(--surface-selected));
  color: color-mix(in srgb, var(--accent) 94%, var(--text));
}

.panel-secondary-action:not(:disabled):active {
  color: color-mix(in srgb, var(--accent) 82%, var(--text));
  transform: translateY(1px) scale(0.97);
  transition-duration: 60ms;
}

.timed-duration button:not(:disabled):active {
  background: color-mix(in srgb, var(--accent) 14%, var(--surface-hover));
  box-shadow: inset 0 1px 4px color-mix(in srgb, var(--accent) 15%, transparent);
  transform: scale(0.96);
  transition-duration: 60ms;
}

.kana-row-toggle:not(:disabled):active,
.kana-toggle:not(:disabled):active {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--border));
  background: color-mix(in srgb, var(--surface-selected) 76%, var(--accent));
  box-shadow: inset 0 1px 4px color-mix(in srgb, var(--accent) 14%, transparent);
  transform: translateY(1px) scale(0.98);
  transition-duration: 60ms;
}

.notice-banner a:active {
  transform: translateY(1px) scale(0.985);
}

@media (prefers-reduced-motion: reduce) {
  button,
  .app-brand-link::after,
  .app-brand-link .brand-mark,
  .app-icon-button::after,
  .app-menu-popover,
  .stats-history-row,
  .kana-toggle,
  .next-link,
  .timed-trigger {
    transition-duration: 1ms;
    animation-duration: 1ms;
  }
}

@media (max-width: 980px) {
  .layout {
    padding: 3.2rem 0.6rem 0.6rem;
  }
}

@media (max-width: 640px) {
  .app-topbar {
    top: 0.8rem;
    padding: 0 0.85rem;
    gap: 0.5rem;
  }

  .app-topbar-main {
    flex: 0 1 auto;
  }

  .app-topbar-actions {
    gap: 0.26rem;
    overflow: visible;
  }

  .daily-coverage-pill {
    max-width: 38vw;
    padding-inline: 0.42rem;
    font-size: 0.58rem;
  }

  .app-topbar-actions::-webkit-scrollbar {
    display: none;
  }

  .app-topbar-link {
    padding-inline: 0.2rem;
  }

  .notice-banner {
    top: 3.6rem;
    border-radius: 14px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .layout {
    padding: 3.35rem 0.6rem 0.6rem;
  }

  .drill-panel {
    padding: 1rem;
  }

  .kana-script-grid {
    grid-template-columns: 1fr;
  }

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

  .kana-row-toggle {
    text-align: center;
  }

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

  .prompt-order-options {
    grid-template-columns: 1fr;
  }

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

  .stats-history-row {
    grid-template-columns: 1fr;
    gap: 0.18rem;
  }

  .daily-history-copy {
    justify-items: start;
    text-align: left;
  }

  .stats-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .score-pill {
    font-size: 0.68rem;
  }
}