:root {
  color-scheme: dark;
  --bg: #0a0e14;
  --panel: #101720;
  --panel-bright: #16212d;
  --primary: #00fff2;
  --secondary: #ff3cac;
  --text: #e8f0f5;
  --text-primary: #e8f0f5;
  --text-secondary: #bdc9d3;
  --text-muted: #a5b3bf;
  --text-disabled: #66727e;
  --border-subtle: #46515e;
  --muted: var(--text-muted);
  --danger: #ff4757;
  --success: #4cff8e;
  --locked: #3a4250;
  --hud-height: 76px;
  --game-viewport-height: 100dvh;
  --game-viewport-width: 100vw;
  --game-viewport-offset-top: 0px;
  --game-viewport-offset-left: 0px;
  font-family: "JetBrains Mono", "Share Tech Mono", "Consolas", "Courier New", monospace;
  background: var(--bg);
  color: var(--text);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html,
body {
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
  overflow-y: auto;
  background:
    radial-gradient(circle at 50% 45%, rgb(0 255 242 / 7%), transparent 32%),
    linear-gradient(rgb(255 255 255 / 2%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 2%) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 42px 42px, 42px 42px, auto;
}

#app {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 100vh;
  min-height: 100dvh;
}

body.gameplay-active {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body.gameplay-active #app {
  height: 100%;
  overflow: hidden;
}

body.gameplay-active :is(.game-screen, .boss-screen, .speed-test-screen) {
  position: fixed;
  top: var(--game-viewport-offset-top);
  left: var(--game-viewport-offset-left);
  width: var(--game-viewport-width);
  height: var(--game-viewport-height);
  min-height: 0;
  overflow: hidden;
}

button,
input,
textarea {
  font: inherit;
}

button {
  color: var(--text);
}

.screen {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 100%;
  height: 100dvh;
  min-height: 100svh;
  position: relative;
}

.profile-stats-screen {
  --profile-text-secondary: #d2dbe2;
  --profile-text-muted: #bac6cf;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 24px;
}

.profile-stats-shell {
  position: relative;
  z-index: 1;
  width: min(1120px, 100%);
  min-height: calc(100vh - 48px);
  margin: 0 auto;
  padding: 28px;
  border: 1px solid rgb(0 255 242 / 32%);
  background: rgb(10 14 20 / 95%);
}

.profile-stats-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--locked);
}

.profile-stats-topbar h1,
.profile-tab-panel h2 {
  margin: 5px 0 0;
  color: var(--primary);
  letter-spacing: 0.1em;
}

.profile-tab-panel h3 {
  margin: 28px 0 12px;
  color: var(--profile-text-muted);
  font-size: 12px;
  letter-spacing: 0.13em;
}

.profile-tabs {
  display: flex;
  gap: 4px;
  margin: 16px 0 24px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.profile-tabs button,
.recent-filters button,
.text-action,
.profile-name-edit button {
  padding: 8px 10px;
  border: 0;
  border-bottom: 1px solid var(--locked);
  background: transparent;
  color: var(--profile-text-muted);
  cursor: pointer;
  font-size: 11px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.profile-tabs button.active,
.profile-tabs button:hover,
.recent-filters button.active,
.recent-filters button:hover,
.text-action:hover,
.profile-name-edit button:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.profile-tab-panel {
  padding-bottom: 30px;
}

.profile-player-header {
  margin-bottom: 22px;
}

.profile-player-header span,
.profile-player-header small,
.profile-metric span,
.profile-details > div > span {
  display: block;
  color: var(--profile-text-muted);
  font-size: 10px;
  letter-spacing: 0.13em;
}

.profile-player-header h2 {
  margin: 4px 0;
  color: var(--text);
  font-size: clamp(26px, 4vw, 42px);
}

.profile-metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 12px 0;
  border: 1px solid var(--locked);
  background: transparent;
}

.profile-metric {
  min-width: 0;
  padding: 15px;
  background: var(--panel);
}

.profile-metric strong {
  display: block;
  margin-top: 7px;
  color: var(--primary);
  font-size: 20px;
  overflow-wrap: anywhere;
}

.profile-metric.secondary strong {
  color: var(--text);
  font-size: 17px;
}

.profile-empty {
  margin: 18px 0;
  padding: 16px;
  border-block: 1px solid rgb(129 144 158 / 25%);
  color: var(--profile-text-muted);
  text-align: center;
  letter-spacing: 0.1em;
}

.profile-section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 26px;
}

.profile-section-heading h3 {
  margin: 0;
}

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

.recent-session-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 18px;
  padding: 12px 14px;
  border-left: 2px solid var(--locked);
  background: rgb(16 23 32 / 72%);
}

.recent-session-row div,
.recent-session-row strong,
.recent-session-row span {
  display: block;
  min-width: 0;
}

.recent-session-row time,
.recent-session-row span {
  color: var(--profile-text-secondary);
  font-size: 11px;
}

.recent-session-row strong,
.recent-session-row b {
  margin-top: 4px;
  color: var(--text);
}

.campaign-progress-track {
  height: 6px;
  margin: 18px 0;
  background: var(--locked);
}

.campaign-progress-track span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.profile-grade-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  border: 1px solid var(--locked);
  background: var(--locked);
}

.profile-record-group {
  margin-top: 24px;
}

.typing-word-set-heading {
  margin: 12px 0 18px;
  color: var(--secondary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.profile-record-table {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.profile-record-table article {
  display: grid;
  gap: 7px;
  min-width: 0;
  padding: 13px;
  border: 1px solid var(--locked);
  background: var(--panel);
}

.profile-record-table article > strong {
  color: var(--primary);
}

.profile-record-table span {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--profile-text-muted);
  font-size: 10px;
}

.profile-record-table b {
  color: var(--text);
  text-align: right;
}

.daily-history-list {
  border-block: 1px solid var(--locked);
}

.daily-history-list > div {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 9px 4px;
  border-bottom: 1px solid rgb(58 66 80 / 55%);
}

.daily-history-list strong {
  color: var(--success);
}

.daily-history-list span {
  text-align: right;
}

.recent-filters {
  display: flex;
  gap: 6px;
  margin: 16px 0;
  overflow-x: auto;
}

.profile-details {
  display: grid;
  gap: 1px;
  margin-top: 18px;
  background: var(--locked);
  border: 1px solid var(--locked);
}

.profile-details > div {
  min-width: 0;
  padding: 16px;
  background: var(--panel);
}

.profile-details strong,
.profile-details code {
  display: block;
  margin: 7px 0;
  color: var(--text);
  overflow-wrap: anywhere;
}

.profile-display-name {
  color: var(--primary) !important;
  font-size: 25px;
}

.profile-name-edit {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.profile-name-edit input {
  min-width: min(300px, 100%);
  padding: 10px 12px;
  border: 1px solid var(--primary);
  outline: none;
  background: var(--bg);
  color: var(--text);
}

.profile-name-edit small,
.copy-message {
  width: 100%;
  color: var(--secondary);
}

.profile-privacy {
  margin-top: 20px;
  color: var(--profile-text-muted);
  line-height: 1.6;
}

.global-account {
  margin-top: 28px;
  padding: 18px;
  border-block: 1px solid var(--border-subtle);
  background: rgb(16 23 32 / 72%);
}

.global-account h3 {
  margin: 0 0 14px;
  color: var(--profile-text-muted);
}

.global-account strong {
  display: block;
  color: var(--text-primary);
}

.global-account p {
  color: var(--profile-text-secondary);
  line-height: 1.55;
}

.global-account .arcade-button {
  width: min(360px, 100%);
  margin-top: 4px;
}

.global-account .arcade-button:disabled {
  cursor: default;
  color: var(--text-disabled);
  border-color: var(--border-subtle);
}

.leaderboard-username-form {
  display: grid;
  gap: 10px;
  margin: 16px 0;
}

.leaderboard-username-form input {
  width: min(420px, 100%);
  padding: 11px 12px;
  border: 1px solid var(--border-subtle);
  outline: none;
  background: var(--bg);
  color: var(--text-primary);
}

.leaderboard-username-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 12px rgb(0 255 242 / 15%);
}

.leaderboard-username-feedback {
  min-height: 18px;
  color: var(--profile-text-secondary);
  font-size: 11px;
}

.global-account-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.global-account-actions .arcade-button {
  width: auto;
  min-width: 180px;
}

.leaderboard-public-username {
  margin: 16px 0;
}

.leaderboard-public-username span {
  color: var(--profile-text-muted);
  font-size: 10px;
  letter-spacing: 0.13em;
}

.leaderboard-public-username strong {
  margin-top: 5px;
  color: var(--primary);
  font-size: 22px;
  overflow-wrap: anywhere;
}

.leaderboard-profile-notice {
  color: var(--success) !important;
}

.leaderboard-profile-error,
.leaderboard-cooldown {
  color: var(--secondary) !important;
}

.account-sign-out {
  margin-top: 10px !important;
}

.profile-stats-diagnostics {
  position: fixed;
  z-index: 10;
  right: 12px;
  bottom: 10px;
  max-width: min(900px, 80vw);
  padding: 7px 9px;
  border: 1px solid rgb(255 60 172 / 45%);
  background: rgb(10 14 20 / 94%);
  color: var(--profile-text-muted);
  font-size: 9px;
  overflow-wrap: anywhere;
}

.menu-screen,
.mode-screen,
.results-screen,
.settings-screen,
.leaderboards-screen {
  display: grid;
  place-items: center;
  padding:
    max(32px, env(safe-area-inset-top))
    max(32px, env(safe-area-inset-right))
    max(32px, env(safe-area-inset-bottom))
    max(32px, env(safe-area-inset-left));
}

.leaderboards-screen {
  overflow-y: auto;
}

.leaderboards-panel {
  position: relative;
  z-index: 1;
  width: min(1040px, 96vw);
  min-height: min(760px, calc(100vh - 48px));
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid rgb(0 255 242 / 40%);
  background: rgb(10 14 20 / 95%);
  box-shadow: 0 0 36px rgb(0 255 242 / 10%);
}

.leaderboards-panel h1 {
  margin: 7px 0 20px;
  color: var(--primary);
  letter-spacing: 0.1em;
}

.leaderboard-tabs,
.leaderboard-duration-tabs,
.leaderboard-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.leaderboard-tabs button {
  flex: 1 1 180px;
  padding: 11px 16px;
  border: 1px solid var(--border-subtle);
  background: var(--panel);
  color: var(--text-muted);
  cursor: pointer;
}

.leaderboard-duration-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 10px;
}

.leaderboard-duration-tabs button {
  padding: 8px 14px;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  cursor: pointer;
}

.leaderboard-duration-tabs button.selected {
  border-color: var(--primary);
  color: var(--primary);
}

.leaderboard-auth-prompt {
  margin: 14px 0;
  padding: 14px;
  border: 1px solid rgba(0, 255, 242, 0.3);
  background: rgba(0, 255, 242, 0.05);
  text-align: center;
}

.leaderboard-auth-prompt h2 {
  margin: 0 0 6px;
  font-size: 0.95rem;
}

.leaderboard-auth-prompt p {
  margin: 0 0 10px;
  color: var(--text-muted);
}

.leaderboard-auth-prompt .arcade-button {
  width: auto;
  min-width: 230px;
  min-height: 44px;
}

.leaderboard-tabs button.selected,
.leaderboard-tabs button:hover,
.leaderboard-tabs button:focus-visible {
  border-color: var(--primary);
  color: var(--primary);
  outline: none;
}

.leaderboard-board-meta {
  margin: 14px 0;
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.leaderboard-content {
  min-height: 390px;
}

.leaderboard-status {
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 330px;
  padding: 30px;
  border-block: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  text-align: center;
}

.leaderboard-status strong {
  color: var(--text-primary);
}

.leaderboard-refreshing {
  padding: 7px 0;
  color: var(--primary);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.leaderboard-table {
  border-block: 1px solid var(--border-subtle);
}

.leaderboard-table-head,
.leaderboard-row {
  display: grid;
  grid-template-columns: 70px minmax(180px, 1fr) repeat(3, minmax(90px, 0.55fr));
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
}

.leaderboard-table-head {
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.leaderboard-row {
  border-top: 1px solid rgb(70 81 94 / 60%);
  color: var(--text-secondary);
}

.leaderboard-row.viewer-row {
  border: 1px solid var(--primary);
  box-shadow: inset 4px 0 var(--primary);
}

.leaderboard-rank {
  color: var(--primary);
}

.leaderboard-player {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--text-primary);
}

.leaderboard-player small {
  margin-left: 8px;
  color: var(--primary);
  font-size: 9px;
}

.leaderboard-mobile-metrics {
  display: none;
}

.leaderboard-viewer {
  margin-top: 18px;
  padding: 15px;
  border-left: 2px solid var(--secondary);
  background: rgb(16 23 32 / 74%);
}

.leaderboard-viewer h3 {
  margin: 0 0 8px;
  color: var(--secondary);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.leaderboard-viewer p {
  margin: 5px 0 0;
  color: var(--text-secondary);
}

.leaderboard-actions {
  justify-content: flex-end;
  margin-top: 20px;
}

.leaderboard-actions .arcade-button {
  width: min(240px, 100%);
}

.screen::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgb(255 255 255 / 1.5%),
    rgb(255 255 255 / 1.5%) 1px,
    transparent 1px,
    transparent 4px
  );
  mix-blend-mode: screen;
}

.title-panel,
.mode-panel,
.results-panel,
.settings-panel {
  position: relative;
  z-index: 1;
  width: min(620px, 92vw);
  padding: 42px;
  border: 1px solid rgb(0 255 242 / 45%);
  background: rgb(10 14 20 / 91%);
  box-shadow: 0 0 36px rgb(0 255 242 / 10%), inset 0 0 30px rgb(0 255 242 / 3%);
  text-align: center;
}

.settings-screen {
  align-items: start;
  overflow-y: auto;
}

.settings-panel {
  width: min(920px, 96vw);
  margin-block: auto;
  text-align: left;
}

.settings-panel > h1,
.settings-panel > .eyebrow,
.settings-panel > .footer-hint {
  text-align: center;
}

.settings-account-management {
  margin: 22px 0 28px;
  padding: 18px;
  border: 1px solid rgb(0 255 242 / 28%);
  background: rgb(16 23 32 / 72%);
}

.settings-account-management h2 {
  margin: 0 0 16px;
  color: var(--primary);
  font-size: 16px;
  letter-spacing: 0.1em;
}

.settings-local-profile {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--locked);
}

.settings-local-profile > span {
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.settings-name-edit {
  grid-column: 1 / -1;
}

.settings-account-management .global-account {
  margin-top: 18px;
}

.gameplay-input-dock {
  position: fixed;
  z-index: 80;
  top: calc(var(--game-viewport-offset-top) + var(--game-viewport-height) - max(58px, env(safe-area-inset-bottom)));
  right: calc(var(--game-viewport-offset-left) + max(10px, env(safe-area-inset-right)));
  pointer-events: none;
}

.gameplay-input {
  position: fixed;
  top: calc(var(--game-viewport-offset-top) + var(--game-viewport-height) - max(20px, env(safe-area-inset-bottom)));
  left: calc(var(--game-viewport-offset-left) + max(2px, env(safe-area-inset-left)));
  width: 2px;
  height: 2px;
  padding: 0;
  border: 0;
  opacity: 0.01;
  pointer-events: auto;
  resize: none;
  font-size: 16px;
}

.gameplay-keyboard-trigger {
  display: none;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--primary);
  background: rgb(10 14 20 / 92%);
  color: var(--primary);
  box-shadow: 0 0 12px rgb(0 255 242 / 18%);
  pointer-events: auto;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.gameplay-input-dock.keyboard-ready .gameplay-keyboard-trigger {
  display: none;
}

.screen-back-button,
.gameplay-pause-button,
.gameplay-control-button {
  min-width: 44px;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--border-subtle);
  background: rgb(10 14 20 / 98%);
  color: var(--text);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.screen-back-button:hover,
.screen-back-button:focus-visible,
.gameplay-pause-button:hover,
.gameplay-pause-button:focus-visible,
.gameplay-control-button:hover,
.gameplay-control-button:focus-visible {
  border-color: var(--primary);
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  color: var(--primary);
}

.screen-back-button {
  display: block;
  width: max-content;
  margin-bottom: 14px;
}

.gameplay-pause-button {
  flex: 0 0 auto;
}

.gameplay-control-button kbd {
  margin-left: 5px;
  color: var(--primary);
  font-size: 10px;
}

.tutorial-help-button {
  padding: 7px 10px;
  border: 1px solid var(--border-subtle);
  background: rgb(10 14 20 / 76%);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 10px;
  letter-spacing: 0.1em;
}

.tutorial-help-button:hover,
.tutorial-help-button:focus-visible {
  border-color: var(--primary);
  outline: 2px solid transparent;
  color: var(--primary);
}

.level-tutorial-actions {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 0 24px 10px;
}

.speed-test-stage > .tutorial-help-button {
  position: absolute;
  top: 12px;
  right: 18px;
}

.settings-tutorials {
  margin: 0 0 26px;
  padding: 16px;
  border: 1px solid var(--border-subtle);
  background: rgb(16 23 32 / 72%);
}

.settings-tutorials summary,
.result-metric-help summary {
  color: var(--primary);
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.settings-tutorial-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 14px;
  margin-top: 14px;
}

.settings-tutorial-resets {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--locked);
}

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

.result-metric-help {
  margin: 16px 0;
  padding: 10px 12px;
  border: 1px solid rgb(70 81 94 / 60%);
  color: var(--text-muted);
  text-align: left;
}

.result-metric-help p { margin: 9px 0; font-size: 11px; }
.result-metric-help strong { color: var(--text); }

.onboarding-root {
  position: fixed;
  z-index: 1000;
  inset: 0;
}

.onboarding-backdrop {
  display: grid;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  place-items: center;
  padding:
    max(18px, env(safe-area-inset-top))
    max(18px, env(safe-area-inset-right))
    max(18px, env(safe-area-inset-bottom))
    max(18px, env(safe-area-inset-left));
  overflow: auto;
  background: rgb(3 7 11 / 88%);
  backdrop-filter: blur(6px);
}

.onboarding-dialog {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(280px, 1.1fr);
  grid-template-rows: minmax(0, 1fr) auto;
  width: min(880px, 100%);
  height: min(560px, calc(100dvh - 36px));
  min-height: min(480px, calc(100dvh - 36px));
  max-height: 100%;
  overflow: hidden;
  border: 1px solid rgb(0 255 242 / 48%);
  background: rgb(10 14 20 / 98%);
  box-shadow: 0 0 40px rgb(0 255 242 / 15%);
}

.onboarding-close {
  position: absolute;
  z-index: 2;
  top: 8px;
  right: 10px;
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 25px;
}

.onboarding-visual {
  display: grid;
  min-height: 340px;
  place-items: center;
  overflow: hidden;
  border-left: 1px solid var(--locked);
  background: radial-gradient(circle, rgb(0 255 242 / 12%), transparent 58%);
}

.onboarding-copy {
  min-height: 0;
  align-self: stretch;
  padding: clamp(28px, 5vw, 52px);
  overflow: auto;
}

.leaderboard-notice {
  margin: 12px 0;
  padding: 10px 14px;
  border: 1px solid var(--success);
  background: rgb(76 255 142 / 9%);
  color: var(--success);
  text-align: center;
  letter-spacing: 0.1em;
}
.onboarding-copy h2 { margin: 8px 0 16px; color: var(--primary); letter-spacing: 0.08em; }
.onboarding-copy > p { color: var(--text-secondary); line-height: 1.65; white-space: pre-line; }
.onboarding-helper { display: block; margin-top: 12px; color: var(--text-muted); }

.onboarding-action-dock {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px 18px;
  min-height: 82px;
  padding: 14px clamp(20px, 4vw, 42px);
  border-top: 1px solid var(--locked);
  background: rgb(7 11 17 / 96%);
}

.onboarding-progress { display: flex; gap: 8px; margin: 0; }
.onboarding-progress span { width: 9px; height: 9px; border: 1px solid var(--text-muted); border-radius: 50%; }
.onboarding-progress span.active { border-color: var(--primary); background: var(--primary); box-shadow: 0 0 8px var(--primary); }

.onboarding-actions { display: flex; justify-content: flex-end; gap: 8px; align-items: center; }
.onboarding-actions .arcade-button { width: 100%; }
.onboarding-secondary,
.onboarding-tertiary {
  grid-column: 2;
  justify-self: end;
  min-height: 36px;
  margin: 0;
  padding: 9px;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
}
.onboarding-tertiary { border: 0; color: var(--text-muted); }

.onboarding-navigation-visual {
  display: grid;
  grid-template-columns: repeat(4, 42px);
  gap: 10px;
  align-items: center;
  justify-content: center;
}

.onboarding-navigation-visual kbd,
.onboarding-navigation-visual strong {
  display: grid;
  min-height: 42px;
  place-items: center;
  border: 1px solid var(--primary);
  background: rgb(0 255 242 / 9%);
  color: var(--primary);
}

.onboarding-navigation-visual strong { grid-column: span 2; color: var(--text); }

.onboarding-approach,
.onboarding-word-stream,
.onboarding-boss-visual,
.onboarding-ranking,
.onboarding-growth,
.onboarding-daily-visual,
.onboarding-local-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  color: var(--text-muted);
}

.demo-word { color: var(--primary); animation: onboarding-approach 2.4s ease-in-out infinite; }
.demo-arrow { color: var(--secondary); }
.demo-core { display: grid; width: 72px; height: 72px; place-items: center; border: 1px solid var(--primary); border-radius: 50%; color: var(--primary); }
.onboarding-word-stream strong { padding-bottom: 5px; border-bottom: 2px solid var(--primary); color: var(--text); font-size: 24px; }
.onboarding-word-stream i,
.onboarding-boss-visual i { color: var(--primary); font-style: normal; }
.onboarding-boss-visual,
.onboarding-daily-visual,
.onboarding-local-visual { flex-direction: column; }
.onboarding-boss-visual strong { padding: 20px; border: 1px solid var(--secondary); font-size: 20px; }
.onboarding-ranking { flex-direction: column; align-items: stretch; width: min(260px, 80%); }
.onboarding-ranking span { padding: 10px; border-bottom: 1px solid var(--locked); }
.onboarding-growth span { align-self: flex-end; width: 54px; border-top: 3px solid var(--secondary); text-align: center; font-size: 10px; }
.onboarding-growth span:nth-child(2) { height: 80px; }
.onboarding-growth span:nth-child(3) { height: 130px; }
.onboarding-daily-visual strong,
.onboarding-local-visual strong { color: var(--primary); font-size: 25px; }
.onboarding-mode-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; width: 80%; }
.onboarding-mode-cards span { padding: 18px 10px; border: 1px solid var(--locked); color: var(--text); }
.onboarding-mode-cards small { display: block; margin-top: 6px; color: var(--primary); }

.onboarding-control-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 16px 0;
}

.onboarding-control-cards > div {
  min-width: 0;
  padding: 9px;
  border: 1px solid var(--locked);
  background: rgb(22 33 45 / 72%);
}

.onboarding-control-cards kbd,
.onboarding-control-cards span {
  display: block;
}

.onboarding-control-cards kbd {
  color: var(--primary);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.onboarding-control-cards span {
  margin-top: 5px;
  color: var(--text-secondary);
  font-size: 10px;
  line-height: 1.35;
}

.contextual-hint {
  position: absolute;
  z-index: 70;
  left: 50%;
  max-width: min(560px, calc(100% - 32px));
  padding: 9px 16px;
  transform: translateX(-50%);
  border-block: 1px solid var(--primary);
  background: rgb(10 14 20 / 91%);
  color: var(--primary);
  pointer-events: none;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.1em;
}
.contextual-hint-top { top: calc(var(--hud-height, 72px) + 12px); }
.contextual-hint-bottom { bottom: max(58px, env(safe-area-inset-bottom)); }
.contextual-hint-hud { top: 12px; }

@keyframes onboarding-approach {
  0% { transform: translateX(-38px); opacity: 0.55; }
  70%, 100% { transform: translateX(10px); opacity: 1; }
}

.mode-panel {
  position: relative;
  z-index: 1;
  width: min(920px, 94vw);
}

.mode-panel h1 {
  margin: 8px 0 24px;
  color: var(--primary);
  letter-spacing: 0.1em;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.mode-card {
  min-height: 168px;
  padding: 20px 14px;
  border: 1px solid var(--locked);
  background: rgb(16 23 32 / 90%);
  color: var(--muted);
  text-align: left;
}

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

.mode-card strong {
  min-height: 44px;
  color: var(--text);
  font-size: 18px;
  text-transform: uppercase;
}

.mode-card span {
  margin-top: 12px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.mode-card small {
  margin-top: 28px;
  color: var(--locked);
  letter-spacing: 0.13em;
}

.mode-card.available {
  cursor: pointer;
}

.mode-card.available small {
  color: var(--success);
}

.mode-card.selected {
  border-color: var(--secondary);
  box-shadow: inset 3px 0 var(--secondary), 0 0 18px rgb(255 60 172 / 14%);
}

.mode-card.available:hover,
.mode-card.available:focus-visible {
  outline: none;
  border-color: var(--primary);
  box-shadow: inset 3px 0 var(--primary), 0 0 18px rgb(0 255 242 / 18%);
}

.mode-card.coming-soon {
  opacity: 0.58;
  color: var(--text-disabled);
}

.mode-menu-action {
  width: min(330px, 100%);
  margin: 18px auto 0;
}

.mode-menu-action .arcade-button {
  width: 100%;
}

.mode-description {
  min-height: 24px;
  margin: 20px 0 0;
  color: var(--muted);
}

.endless-ready-screen,
.endless-results-screen,
.daily-ready-screen,
.daily-results-screen {
  display: grid;
  place-items: center;
  padding: 28px;
}

.endless-results-screen,
.daily-results-screen {
  z-index: 60;
  isolation: isolate;
  pointer-events: auto;
}

.endless-results-panel,
.daily-results-panel,
.endless-results-panel .arcade-button,
.daily-results-panel .arcade-button {
  pointer-events: auto;
}

.daily-ready-panel,
.daily-results-panel {
  position: relative;
  z-index: 1;
  width: min(780px, 94vw);
  padding: 38px;
  border-block: 1px solid rgb(255 60 172 / 45%);
  background: rgb(10 14 20 / 94%);
  text-align: center;
}

.daily-ready-panel h1,
.daily-results-panel h1 {
  margin: 8px 0 18px;
  color: var(--secondary);
  letter-spacing: 0.14em;
}

.daily-date {
  color: var(--primary);
  font-size: 20px;
  letter-spacing: 0.12em;
}

.daily-ready-rules {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin: 22px 0;
  color: var(--muted);
  font-size: 12px;
}

.daily-best {
  display: grid;
  gap: 7px;
  margin: 20px auto 28px;
  padding: 16px;
  border-block: 1px solid var(--locked);
}

.daily-best span,
.daily-best small {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.daily-best strong {
  color: var(--primary);
  font-size: 30px;
}

.daily-screen {
  grid-template-rows: 78px minmax(0, 1fr);
}

.daily-hud {
  z-index: 20;
  display: grid;
  grid-template-columns: auto repeat(4, minmax(0, 1fr));
  align-items: center;
  gap: 20px;
  padding: max(5px, env(safe-area-inset-top)) clamp(12px, 3vw, 42px) 5px;
  border-bottom: 2px solid rgb(255 60 172 / 62%);
  background: rgb(10 14 20 / 99%);
  color: var(--text-secondary);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.daily-hud strong,
.daily-hud b {
  color: var(--primary);
}

.daily-integrity {
  color: var(--danger) !important;
  letter-spacing: 0.28em;
}

.daily-wave-banner {
  position: absolute;
  z-index: 25;
  left: 50%;
  top: 12%;
  transform: translateX(-50%);
  padding: 8px 20px;
  border-block: 1px solid var(--secondary);
  background: rgb(10 14 20 / 90%);
  color: var(--secondary);
  letter-spacing: 0.16em;
}

.daily-wave-banner[hidden] { display: none; }

.daily-record {
  margin: 0 0 14px;
  color: var(--success);
  letter-spacing: 0.13em;
}

.daily-result-headline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--locked);
}

.daily-result-headline > div {
  padding: 18px 12px;
  border-right: 1px solid var(--locked);
}

.daily-result-headline > div:last-child { border-right: 0; }

.daily-result-headline span,
.daily-result-details span {
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.daily-result-headline strong {
  display: block;
  margin-top: 5px;
  color: var(--primary);
  font-size: 28px;
}

.daily-result-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 26px;
  margin: 20px 0 26px;
  text-align: left;
}

.daily-result-details > div {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgb(58 66 80 / 55%);
}

.endless-ready-panel,
.endless-results-panel {
  position: relative;
  z-index: 1;
  width: min(760px, 94vw);
  padding: 38px;
  background: rgb(10 14 20 / 92%);
  text-align: center;
}

.endless-ready-panel {
  border-block: 1px solid rgb(0 255 242 / 38%);
}

.endless-ready-panel h1,
.endless-results-panel h1 {
  margin: 8px 0 24px;
  color: var(--primary);
  letter-spacing: 0.12em;
}

.endless-ready-lead {
  color: var(--text);
  font-size: 18px;
  letter-spacing: 0.12em;
}

.endless-ready-rules {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin: 24px 0 30px;
  color: var(--muted);
  font-size: 13px;
}

.endless-ready-panel .arcade-button {
  width: min(360px, 100%);
}

.endless-screen {
  grid-template-rows: 78px minmax(0, 1fr);
}

.endless-hud {
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1.3fr 1fr 1fr;
  align-items: center;
  gap: 22px;
  padding: max(5px, env(safe-area-inset-top)) clamp(12px, 4vw, 56px) 5px;
  border-bottom: 2px solid rgb(0 255 242 / 52%);
  background: rgb(10 14 20 / 99%);
  color: var(--text-secondary);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.endless-hud strong {
  color: var(--primary);
  font-size: 17px;
}

.endless-integrity {
  color: var(--danger) !important;
  letter-spacing: 0.28em;
}

.endless-stage-banner {
  position: absolute;
  z-index: 25;
  right: clamp(12px, 3vw, 32px);
  top: clamp(12px, 3vw, 28px);
  padding: 8px 18px;
  border: 1px solid var(--secondary);
  background: rgb(10 14 20 / 88%);
  color: var(--secondary);
  font-size: 15px;
  letter-spacing: 0.14em;
  pointer-events: none;
}

.endless-stage-banner[hidden] {
  display: none;
}

.endless-results-panel {
  border-block: 1px solid rgb(0 255 242 / 38%);
}

.endless-result-headline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--locked);
}

.endless-result-headline > div {
  padding: 18px 12px;
  border-right: 1px solid var(--locked);
}

.endless-result-headline > div:last-child {
  border-right: 0;
}

.endless-result-headline span,
.endless-result-details span {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.endless-result-headline strong {
  display: block;
  margin-top: 5px;
  color: var(--primary);
  font-size: 30px;
}

.endless-result-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 26px;
  margin: 20px 0 26px;
  text-align: left;
}

.endless-result-details > div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px solid rgb(58 66 80 / 55%);
}

.endless-result-details strong {
  text-align: right;
}

.endless-score-breakdown {
  margin: 18px 0 24px;
  padding: 12px 16px;
  border-block: 1px solid var(--border-subtle);
}

.endless-score-breakdown h3 {
  margin: 0 0 8px;
  color: var(--text-secondary);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.endless-score-breakdown > div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 4px 0;
  color: var(--text-muted);
  font-size: 12px;
}

.endless-score-breakdown strong {
  color: var(--text-primary);
}

.endless-score-breakdown .total {
  margin-top: 5px;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}

.endless-score-breakdown .total strong {
  color: var(--primary);
}

.speed-results-screen {
  display: grid;
  place-items: center;
  padding: 28px;
}

.speed-results-panel {
  position: relative;
  z-index: 1;
  width: min(860px, 94vw);
  padding: 36px;
  border: 1px solid rgb(0 255 242 / 42%);
  background: rgb(10 14 20 / 94%);
  box-shadow: 0 0 38px rgb(0 255 242 / 10%);
  text-align: center;
}

.speed-results-panel h1 {
  margin: 8px 0 26px;
  color: var(--primary);
  letter-spacing: 0.12em;
}

.speed-test-screen {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  background:
    radial-gradient(circle at 50% 45%, rgb(0 255 242 / 8%), transparent 40%),
    linear-gradient(135deg, rgb(255 60 172 / 3%), transparent 50%);
}

.speed-test-topbar {
  z-index: 4;
  display: grid;
  min-height: 112px;
  padding-top: max(6px, env(safe-area-inset-top));
  border-bottom: 2px solid rgb(0 255 242 / 52%);
  background: rgb(10 14 20 / 99%);
  box-shadow: 0 8px 24px rgb(0 0 0 / 28%);
}

.speed-test-topbar-primary,
.speed-test-topbar-secondary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 7px clamp(14px, 4vw, 56px);
}

.speed-test-topbar-primary {
  border-bottom: 1px solid rgb(70 81 94 / 68%);
}

.speed-test-mode-title {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  color: var(--text);
  text-align: center;
}

.speed-test-mode-title strong {
  color: var(--primary);
  font-size: 14px;
  letter-spacing: 0.13em;
}

.speed-test-mode-title span {
  color: var(--text-secondary);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.speed-test-top-actions {
  display: flex;
  gap: 8px;
}

.speed-test-config,
.speed-test-controls-wrap,
.speed-test-categories,
.speed-test-values,
.speed-test-hud,
.speed-timer-position {
  display: flex;
  align-items: center;
}

.speed-test-controls-wrap {
  gap: 22px;
  flex-wrap: wrap;
}

.speed-test-word-set {
  color: var(--secondary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  white-space: nowrap;
}

.speed-test-config {
  gap: 18px;
}

.speed-test-categories,
.speed-test-values {
  gap: 12px;
}

.speed-config-divider {
  width: 1px;
  height: 22px;
  background: var(--locked);
}

.speed-config-control {
  min-height: 38px;
  min-width: 46px;
  padding: 8px 10px;
  border: 1px solid var(--border-subtle);
  background: rgb(22 33 45 / 72%);
  color: var(--muted);
  cursor: pointer;
  font-size: 18px;
  letter-spacing: 0.12em;
}

.speed-config-control:hover,
.speed-config-control:focus-visible,
.speed-config-control.active {
  outline: none;
  color: var(--primary);
  border-color: var(--primary);
  text-shadow: 0 0 9px rgb(0 255 242 / 45%);
}

.speed-config-control:disabled {
  cursor: default;
  opacity: 0.42;
}

.speed-test-hud {
  justify-content: flex-end;
  gap: 18px;
  color: var(--text-secondary);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.speed-test-hud strong,
.speed-test-hud b {
  color: var(--primary);
}

.speed-test-hud strong {
  font-size: 34px;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 13px rgb(0 255 242 / 48%);
}

.speed-timer-position {
  gap: 6px;
  color: var(--text-muted);
  font-size: 9px;
  letter-spacing: 0.09em;
}

.speed-timer-position button {
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid var(--border-subtle);
  background: rgb(16 23 32 / 92%);
  color: var(--text-secondary);
  cursor: pointer;
}

.speed-timer-position button.active,
.speed-timer-position button:hover,
.speed-timer-position button:focus-visible {
  border-color: var(--secondary);
  outline: none;
  color: var(--secondary);
  box-shadow: 0 0 10px rgb(255 60 172 / 22%);
}

.speed-test-stage {
  --speed-test-line-height: clamp(34px, 3.64vw, 53px);
  --speed-test-word-viewport-height: min(calc(var(--speed-test-line-height) * 3 + 30px), 42vh);
  --speed-test-center-timer-size: clamp(34px, min(7vw, 8vh), 76px);
  --speed-test-center-timer-half-size: clamp(17px, min(3.5vw, 4vh), 38px);
  z-index: 1;
  position: relative;
  display: block;
  min-height: 0;
  padding: clamp(16px, 3vh, 34px) clamp(20px, 7vw, 110px) max(54px, env(safe-area-inset-bottom));
  overflow: hidden;
}

.speed-test-upper-overlay {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) var(--speed-test-word-viewport-height) minmax(0, 1fr);
  min-width: 0;
  overflow: hidden;
  pointer-events: none;
}

.speed-test-upper-overlay-content {
  position: relative;
  grid-row: 1;
  min-width: 0;
}

.speed-test-prompt-actions {
  position: absolute;
  z-index: 3;
  top: clamp(10px, 2vh, 24px);
  right: clamp(20px, 7vw, 110px);
}

.speed-test-status {
  position: absolute;
  top: calc(50% - var(--speed-test-center-timer-half-size) - clamp(5px, 1vh, 10px));
  left: 50%;
  width: max-content;
  max-width: calc(100% - clamp(48px, 14vw, 220px));
  color: var(--primary);
  font-size: clamp(11px, 1.2vw, 14px);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-align: center;
  text-shadow: 0 0 10px rgb(0 255 242 / 35%);
  transform: translate(-50%, -100%);
  white-space: nowrap;
}

.speed-test-status[hidden] {
  display: block;
  visibility: hidden;
}

.speed-test-word-viewport {
  align-self: center;
  height: var(--speed-test-word-viewport-height);
  overflow: hidden;
  border-block: 1px solid rgb(129 144 158 / 18%);
  scroll-behavior: smooth;
}

.speed-test-word-flow {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 15px 20px;
  padding: 0 10px;
  font-size: clamp(24px, 2.6vw, 38px);
  font-weight: 600;
  line-height: var(--speed-test-line-height);
  font-variant-ligatures: none;
  transform: translateY(0);
  transition: transform 120ms ease;
}

.speed-test-word {
  position: relative;
  display: inline-flex;
  min-height: 1.4em;
  padding: 0;
  border: 0;
  white-space: nowrap;
}

.speed-test-word-current {
  color: var(--text);
}

.speed-test-word-complete {
  opacity: 0.56;
}

.speed-test-word-error {
  text-decoration-color: rgb(255 71 87 / 35%);
}

.speed-test-caret {
  position: relative;
  display: inline-block;
  width: 0;
  height: 1em;
  vertical-align: -0.1em;
}

.speed-test-caret::after {
  content: "";
  position: absolute;
  z-index: 2;
  left: -1px;
  top: -0.05em;
  width: 2px;
  height: 1.1em;
  background: var(--primary);
  box-shadow: 0 0 7px rgb(0 255 242 / 70%);
  animation: speed-caret-blink 900ms ease-in-out infinite alternate;
}

.speed-test-screen.paused .speed-test-caret::after {
  animation-play-state: paused;
}

@keyframes speed-caret-blink {
  to { opacity: 0.35; }
}

.speed-test-char-pending {
  color: var(--text);
}

.speed-test-char-correct {
  color: var(--primary);
}

.speed-test-char-incorrect,
.speed-test-extra {
  color: var(--danger);
  background: rgb(255 71 87 / 12%);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.speed-test-extra {
  display: inline-block;
  max-width: 12ch;
  overflow: hidden;
}

.speed-test-dev {
  position: absolute;
  z-index: 5;
  right: 12px;
  bottom: 10px;
  max-width: min(1000px, 86vw);
  padding: 7px 9px;
  border: 1px solid rgb(255 60 172 / 45%);
  background: rgb(10 14 20 / 94%);
  color: var(--muted);
  font-size: 9px;
  overflow-wrap: anywhere;
  pointer-events: none;
}

.speed-result-headline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-bottom: 14px;
  border-block: 1px solid var(--locked);
}

.speed-result-headline > div {
  padding: 18px 12px;
  border-right: 1px solid var(--locked);
}

.speed-result-headline > div:last-child {
  border-right: 0;
}

.speed-result-headline span,
.speed-result-details span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.speed-result-headline strong {
  display: block;
  margin-top: 5px;
  color: var(--primary);
  font-size: 34px;
}

.speed-records {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 12px 0;
  color: var(--success);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.speed-result-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 26px;
  margin: 18px 0 24px;
  text-align: left;
}

.speed-result-details > div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px solid rgb(58 66 80 / 55%);
}

.speed-result-details strong {
  color: var(--text);
  text-align: right;
}

.eyebrow,
.micro-label {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.brand-logo {
  display: block;
  width: min(72vw, 360px);
  max-width: 100%;
  height: auto;
  margin: 8px auto 1rem;
  object-fit: contain;
  user-select: none;
  pointer-events: none;
  -webkit-user-drag: none;
  filter:
    drop-shadow(0 0 12px rgb(30 238 255 / 20%))
    drop-shadow(0 0 18px rgb(255 0 153 / 12%));
}

.global-submission {
  width: min(100%, 640px);
  margin: 18px auto;
  padding: 14px 16px;
  border: 1px solid rgba(95, 229, 255, 0.28);
  background: rgba(6, 13, 20, 0.72);
  text-align: center;
}

.global-submission p {
  margin: 0 0 12px;
  color: var(--text-muted);
}

.global-submission p span,
.global-submission p strong {
  display: block;
  margin-top: 5px;
}

.global-submission p strong {
  color: var(--primary);
}

.global-submission-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.global-submission-actions .arcade-button {
  width: auto;
  min-width: 210px;
}

.subtitle {
  margin: 14px 0 34px;
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.menu-list {
  display: grid;
  gap: 10px;
  width: min(330px, 100%);
  margin: 0 auto;
}

.arcade-button {
  position: relative;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid var(--border-subtle);
  background: rgb(22 33 45 / 96%);
  cursor: pointer;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: 120ms ease;
}

.speed-test-word-region {
  position: absolute;
  z-index: 1;
  top: 50%;
  right: clamp(20px, 7vw, 110px);
  left: clamp(20px, 7vw, 110px);
  transform: translateY(-50%);
}

.speed-test-center-timer {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  text-align: center;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.speed-test-center-timer strong {
  min-width: 6ch;
  font-size: var(--speed-test-center-timer-size);
  line-height: 1;
  text-shadow: 0 0 18px rgb(0 255 242 / 58%);
}

.speed-test-center-timer span {
  position: absolute;
  top: calc(100% + 5px);
  left: 50%;
  color: var(--text-secondary);
  font-size: 13px;
  transform: translateX(-50%);
  white-space: nowrap;
}

.arcade-button.primary,
.arcade-button.account-primary {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgb(0 255 242 / 28%), rgb(0 255 242 / 13%));
  color: #f7ffff;
  box-shadow: 0 0 18px rgb(0 255 242 / 18%);
}

.arcade-button.secondary { border-color: rgb(255 60 172 / 65%); }

.arcade-button:disabled,
.arcade-button[aria-disabled="true"] {
  border-style: dashed;
  opacity: 0.48;
  cursor: not-allowed;
  filter: saturate(0.45);
}

.arcade-button:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

.settings-account-management:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 5px;
}

.pending-result-notice {
  display: grid;
  gap: 8px;
  margin: 14px 0;
  padding: 14px;
  border: 1px solid var(--secondary);
  background: rgb(255 60 172 / 9%);
  color: var(--text-secondary);
}

.pending-result-notice strong { color: var(--secondary); }

.arcade-button:hover,
.arcade-button.selected,
.arcade-button:focus-visible {
  border-color: var(--primary);
  outline: none;
  color: var(--primary);
  box-shadow: 0 0 16px rgb(0 255 242 / 18%), inset 3px 0 var(--primary);
  transform: translateX(3px);
}

.arcade-button.danger:hover,
.arcade-button.danger:focus-visible {
  border-color: var(--danger);
  color: var(--danger);
  box-shadow: 0 0 16px rgb(255 71 87 / 18%), inset 3px 0 var(--danger);
}

.ambient-word {
  position: absolute;
  color: rgb(232 240 245 / 6%);
  font-size: clamp(14px, 2vw, 26px);
  animation: drift 14s linear infinite;
  pointer-events: none;
}

@keyframes drift {
  from { transform: translate(-20px, 20px); }
  50% { transform: translate(20px, -15px); }
  to { transform: translate(-20px, 20px); }
}

.level-screen {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  padding: 28px clamp(20px, 5vw, 72px);
}

.level-screen.dev-enabled {
  grid-template-rows: auto auto auto minmax(0, 1fr);
}

.level-header {
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--locked);
}

.level-header h1 {
  margin: 0;
  color: var(--primary);
  letter-spacing: 0.08em;
}

.level-grid-scroll {
  z-index: 1;
  min-height: 0;
  overflow: auto;
  scrollbar-color: var(--primary) var(--panel);
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 14px;
  width: 100%;
  min-width: 820px;
  padding: 24px 8px 60px;
}

.level-tile {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 7px;
  border: 1px solid var(--primary);
  background: rgb(16 23 32 / 90%);
  cursor: pointer;
  transition: 120ms ease;
}

.level-detail {
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 34px;
  padding: 7px 10px;
  color: var(--muted);
  font-size: 12px;
  border-bottom: 1px solid var(--locked);
}

.level-tile:hover,
.level-tile.selected,
.level-tile:focus-visible {
  outline: none;
  color: var(--primary);
  border-width: 2px;
  box-shadow: 0 0 18px rgb(0 255 242 / 25%);
  transform: translateY(-2px);
}

.level-tile.locked {
  border-color: var(--locked);
  color: var(--locked);
  cursor: not-allowed;
  filter: saturate(0.2);
}

.level-tile.locked.dev-access {
  cursor: pointer;
  filter: saturate(0.45);
}

.level-tile.locked.dev-access:hover,
.level-tile.locked.dev-access.selected,
.level-tile.locked.dev-access:focus-visible {
  border-color: var(--secondary);
  color: var(--secondary);
  box-shadow: 0 0 18px rgb(255 60 172 / 20%);
  transform: translateY(-2px);
}

.level-tile.locked:hover {
  box-shadow: none;
  transform: none;
}

.level-tile.boss {
  border-color: var(--secondary);
}

.level-number {
  font-size: 24px;
  font-weight: 700;
}

.level-grade {
  min-height: 16px;
  color: var(--success);
  font-size: 13px;
}

.boss-mark {
  color: var(--secondary);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.game-screen {
  display: grid;
  grid-template-rows: var(--hud-height) minmax(0, 1fr);
  background: radial-gradient(circle at 50% 50%, rgb(0 255 242 / 8%), transparent 34%);
}

.hud {
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  align-items: center;
  gap: 16px;
  padding: max(5px, env(safe-area-inset-top)) 20px 5px;
  border-bottom: 2px solid rgb(0 255 242 / 52%);
  background: rgb(10 14 20 / 99%);
  color: var(--text-secondary);
  font-size: 14px;
}

.hud-leading,
.boss-hud-leading {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.hud-center {
  text-align: center;
}

.hud-right {
  text-align: right;
}

.hud-value {
  color: var(--primary);
  font-size: 16px;
}

.lives {
  color: var(--danger);
  letter-spacing: 0.35em;
  text-shadow: 0 0 8px var(--danger);
}

.play-area {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  touch-action: manipulation;
}

.play-area.damage-flash::after {
  content: "";
  position: absolute;
  z-index: 30;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 120px 35px rgb(255 71 87 / 58%);
  animation: damage 240ms ease-out forwards;
}

@keyframes damage {
  to { opacity: 0; }
}

.core {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  width: 58px;
  height: 58px;
  transform: translate(-50%, -50%) rotate(45deg);
  border: 2px solid var(--primary);
  background: rgb(0 255 242 / 8%);
  box-shadow: 0 0 15px var(--primary), 0 0 48px rgb(0 255 242 / 30%), inset 0 0 18px rgb(0 255 242 / 35%);
  animation: core-pulse 1.8s ease-in-out infinite;
}

.core::after {
  content: "";
  position: absolute;
  inset: 15px;
  border: 1px solid var(--secondary);
  box-shadow: 0 0 10px var(--secondary);
}

@keyframes core-pulse {
  50% { box-shadow: 0 0 23px var(--primary), 0 0 70px rgb(0 255 242 / 40%), inset 0 0 24px rgb(0 255 242 / 42%); }
}

.word-position {
  position: absolute;
  z-index: 5;
  will-change: transform;
  transition: none;
}

.word-separation {
  will-change: transform;
  transition: none;
}

.word-visual {
  position: relative;
  padding: 5px 8px;
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--text);
  font-size: clamp(22px, 2vw, 30px);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  text-shadow: 0 0 6px rgb(232 240 245 / 32%);
}

.word-visual.active {
  border-color: var(--primary);
  background: rgb(0 255 242 / 8%);
  box-shadow: 0 0 18px rgb(0 255 242 / 22%);
}

.word-visual.candidate {
  border-color: rgb(255 60 172 / 68%);
  background: rgb(255 60 172 / 7%);
  box-shadow: 0 0 14px rgb(255 60 172 / 18%);
}

.word-visual.wrong {
  border-color: var(--danger);
  color: var(--danger);
  animation: wrong 160ms linear;
}

.word-text {
  display: inline-block;
  transition: none;
}

.typed-letter {
  color: var(--primary);
  text-shadow: 0 0 8px var(--primary);
}

@keyframes wrong {
  50% { transform: translateX(4px); filter: brightness(1.6); }
}

.dev-mode-indicator {
  position: fixed;
  z-index: 100;
  top: 10px;
  right: 12px;
  padding: 6px 9px;
  border: 1px solid var(--secondary);
  background: rgb(10 14 20 / 94%);
  color: var(--secondary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  box-shadow: 0 0 14px rgb(255 60 172 / 22%);
}

.dev-session-diagnostics {
  position: fixed;
  z-index: 99;
  left: 12px;
  bottom: 10px;
  max-width: min(920px, 80vw);
  padding: 6px 9px;
  border: 1px solid rgb(255 60 172 / 38%);
  background: rgb(10 14 20 / 94%);
  color: var(--muted);
  font-size: 9px;
  line-height: 1.4;
  overflow-wrap: anywhere;
  pointer-events: none;
}

.dev-runtime-panel {
  position: absolute;
  z-index: 24;
  right: 12px;
  bottom: 12px;
  max-width: min(900px, 80vw);
  padding: 7px 9px;
  border: 1px solid rgb(255 60 172 / 45%);
  background: rgb(10 14 20 / 92%);
  color: var(--muted);
  font-size: 9px;
  line-height: 1.45;
  overflow-wrap: anywhere;
  pointer-events: none;
}

.boss-dev-runtime {
  bottom: 10px;
}

.dev-panel {
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(190px, 0.7fr) minmax(420px, 2fr);
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid rgb(255 60 172 / 35%);
}

.dev-controls {
  display: grid;
  align-content: start;
  gap: 8px;
}

.dev-level-entry {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.dev-level-entry input {
  min-width: 0;
  padding: 9px;
  border: 1px solid var(--secondary);
  outline: none;
  background: var(--panel);
  color: var(--text);
}

.dev-quick-buttons {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

.dev-phrases {
  display: grid;
  gap: 5px;
  margin-top: 10px;
}

.dev-phrases code {
  color: var(--text);
  font-size: 11px;
  white-space: normal;
}

.dev-quick-buttons button,
.dev-level-entry button {
  padding: 8px;
  border: 1px solid var(--locked);
  background: var(--panel);
  cursor: pointer;
}

.dev-quick-buttons button:hover,
.dev-level-entry button:hover {
  border-color: var(--secondary);
  color: var(--secondary);
}

.dev-config {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px 12px;
  margin: 0;
  font-size: 11px;
}

.dev-config div {
  min-width: 0;
}

.dev-config dt {
  color: var(--muted);
}

.dev-config dd {
  margin: 2px 0 0;
  color: var(--secondary);
  overflow-wrap: anywhere;
}

.burst {
  position: absolute;
  z-index: 8;
  width: 12px;
  height: 12px;
  border: 2px solid var(--primary);
  transform: translate(-50%, -50%) rotate(45deg);
  pointer-events: none;
  animation: burst 320ms ease-out forwards;
}

@keyframes burst {
  to { opacity: 0; width: 74px; height: 74px; }
}

.pause-overlay {
  position: absolute;
  z-index: 50;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgb(5 8 12 / 78%);
  backdrop-filter: blur(3px);
}

.pause-panel {
  width: min(380px, 90vw);
  padding: 32px;
  border: 1px solid var(--primary);
  background: var(--bg);
  text-align: center;
  box-shadow: 0 0 40px rgb(0 255 242 / 18%);
}

.pause-panel h2 {
  margin-top: 0;
  color: var(--primary);
  letter-spacing: 0.18em;
}

.grade {
  margin: 8px 0 16px;
  color: var(--primary);
  font-size: clamp(80px, 18vw, 150px);
  line-height: 0.8;
  text-shadow: 0 0 14px currentColor, 0 0 42px currentColor;
}

.grade.fail {
  color: var(--danger);
  font-size: clamp(60px, 12vw, 110px);
}

.grade.grade-s { color: var(--success); }
.grade.grade-a { color: var(--primary); }
.grade.grade-b { color: var(--secondary); }
.grade.grade-c { color: var(--text); }
.grade.grade-d { color: var(--danger); }

.boss-screen {
  display: grid;
  grid-template-rows: 92px minmax(0, 1fr);
  background:
    radial-gradient(circle at 50% 48%, rgb(255 60 172 / 12%), transparent 36%),
    linear-gradient(135deg, rgb(255 60 172 / 4%), transparent 45%);
}

.boss-hud {
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  gap: 18px;
  padding: max(5px, env(safe-area-inset-top)) 20px 5px;
  border-bottom: 2px solid rgb(255 60 172 / 68%);
  background: rgb(10 14 20 / 99%);
  color: var(--text-secondary);
  font-size: 14px;
}

.boss-hud-value {
  color: var(--secondary);
}

.boss-hud-right {
  text-align: right;
}

.boss-timer-wrap {
  text-align: center;
}

.boss-timer {
  display: block;
  color: var(--primary);
  font-size: 34px;
  line-height: 1;
  text-shadow: 0 0 12px rgb(0 255 242 / 55%);
}

.boss-timer.warning {
  color: var(--secondary);
  text-shadow: 0 0 12px rgb(255 60 172 / 55%);
}

.boss-timer.danger {
  color: var(--danger);
  animation: timer-warning 500ms ease-in-out infinite alternate;
}

@keyframes timer-warning {
  to { transform: scale(1.07); text-shadow: 0 0 20px var(--danger); }
}

.boss-arena {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 0;
  padding: 40px;
  overflow: auto;
}

.boss-arena::before,
.boss-arena::after {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  border-color: rgb(255 60 172 / 32%);
  pointer-events: none;
}

.boss-arena::before {
  top: 34px;
  left: 34px;
  border-top: 1px solid;
  border-left: 1px solid;
}

.boss-arena::after {
  right: 34px;
  bottom: 34px;
  border-right: 1px solid;
  border-bottom: 1px solid;
}

.boss-intro {
  color: var(--secondary);
  font-size: clamp(38px, 7vw, 88px);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-align: center;
  text-shadow: 0 0 18px rgb(255 60 172 / 75%);
  animation: boss-intro-pulse 450ms ease-out;
}

.boss-intro strong,
.boss-intro span,
.boss-intro p,
.boss-intro small {
  display: block;
}

.boss-intro span {
  margin-top: 18px;
  color: var(--secondary);
  font-size: clamp(18px, 2.6vw, 30px);
  letter-spacing: 0.14em;
}

.boss-intro p {
  margin: 12px 0 0;
  color: var(--text);
  font-size: clamp(12px, 1.8vw, 20px);
  letter-spacing: 0.12em;
  text-shadow: none;
}

.boss-intro small {
  margin-top: 12px;
  color: var(--danger);
  font-size: 13px;
  letter-spacing: 0.18em;
}

@keyframes boss-intro-pulse {
  from { opacity: 0; transform: scale(0.92); }
}

.boss-phrase-frame {
  width: min(1000px, 88vw);
  padding: clamp(26px, 4vw, 52px);
  border: 1px solid var(--secondary);
  background: rgb(10 14 20 / 88%);
  box-shadow: 0 0 36px rgb(255 60 172 / 15%), inset 0 0 36px rgb(255 60 172 / 4%);
  text-align: center;
}

.boss-phrase-frame.hidden {
  display: none;
}

.boss-phrase-frame.transition {
  border-color: var(--success);
  box-shadow: 0 0 38px rgb(76 255 142 / 24%);
}

.boss-phrase-frame.wrong {
  animation: boss-wrong 160ms linear;
}

@keyframes boss-wrong {
  50% {
    border-color: var(--danger);
    box-shadow: 0 0 42px rgb(255 71 87 / 38%);
    filter: brightness(1.3);
  }
}

.boss-phrase {
  width: 100%;
  max-width: 920px;
  min-height: 5em;
  margin: 0 auto;
  font-weight: 700;
  line-height: 1.2;
  font-variant-ligatures: none;
  text-align: center;
  overflow: visible;
}

.boss-phrase-size-normal {
  font-size: clamp(28px, 3.5vw, 50px);
}

.boss-phrase-size-dense {
  font-size: clamp(25px, 3vw, 42px);
}

.boss-phrase-size-extreme {
  font-size: clamp(20px, 2.25vw, 32px);
}

.boss-word-group {
  display: inline-flex;
  white-space: nowrap;
}

.boss-wrap-opportunity {
  display: inline;
}

.boss-char {
  position: relative;
  display: inline-block;
  width: 1ch;
  min-width: 1ch;
  height: 1.2em;
  padding: 0;
  margin: 0;
  border: 0;
  color: var(--text);
  font: inherit;
  font-variant-ligatures: none;
  letter-spacing: inherit;
  text-align: center;
  vertical-align: baseline;
}

.boss-space {
  color: transparent;
}

.boss-typed {
  color: var(--primary);
  text-shadow: 0 0 9px rgb(0 255 242 / 75%);
}

.boss-current {
  color: var(--text);
  background: rgb(0 255 242 / 10%);
  animation: boss-caret 700ms ease-in-out infinite alternate;
}

.boss-current::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--primary);
  box-shadow: 0 0 7px var(--primary);
}

@keyframes boss-caret {
  to { background: rgb(0 255 242 / 24%); }
}

.boss-remaining {
  color: var(--text);
}

.boss-progress {
  height: 4px;
  margin: 32px auto 16px;
  background: var(--locked);
}

.boss-progress div {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  box-shadow: 0 0 10px var(--primary);
  transition: width 80ms linear;
}

.boss-instruction {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 28px 0;
  background: var(--locked);
  border: 1px solid var(--locked);
}

.stat {
  padding: 14px;
  background: var(--panel);
}

.stat strong {
  display: block;
  margin-top: 5px;
  color: var(--primary);
  font-size: 20px;
}

.settings-list {
  display: grid;
  gap: 12px;
  margin: 28px 0;
  text-align: left;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 54px;
  padding: 10px 14px;
  border: 1px solid var(--locked);
  background: var(--panel);
}

.setting-row.selected {
  border-color: var(--primary);
  box-shadow: inset 3px 0 var(--primary);
}

.toggle {
  min-width: 76px;
  padding: 8px 10px;
  border: 1px solid var(--locked);
  background: var(--bg);
  cursor: pointer;
}

.toggle.on {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 12px rgb(0 255 242 / 15%);
}

.footer-hint {
  margin-top: 24px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 760px) {
  :root { --mobile-screen-gutter: 12px; }

  .menu-screen,
  .mode-screen,
  .results-screen,
  .settings-screen,
  .endless-ready-screen,
  .endless-results-screen,
  .daily-ready-screen,
  .daily-results-screen,
  .speed-results-screen,
  .level-screen {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding-left: max(var(--mobile-screen-gutter), env(safe-area-inset-left));
    padding-right: max(var(--mobile-screen-gutter), env(safe-area-inset-right));
  }

  .title-panel,
  .mode-panel,
  .results-panel,
  .settings-panel,
  .endless-ready-panel,
  .endless-results-panel,
  .daily-ready-panel,
  .daily-results-panel,
  .speed-results-panel,
  .leaderboards-panel,
  .profile-stats-shell,
  .onboarding-dialog {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    margin-inline: auto;
  }

  :is(
    .title-panel,
    .mode-panel,
    .results-panel,
    .settings-panel,
    .leaderboards-panel,
    .profile-stats-shell,
    .endless-ready-panel,
    .endless-results-panel,
    .daily-ready-panel,
    .daily-results-panel,
    .speed-results-panel
  ) > * {
    max-width: 100%;
    min-width: 0;
  }

  .title-panel {
    padding: 24px 18px;
  }

  .arcade-button:hover,
  .arcade-button.selected,
  .arcade-button:focus-visible {
    transform: none;
  }

  .brand-logo {
    width: min(68vw, 300px);
    margin-bottom: 0.5rem;
  }

  .title-panel .subtitle {
    margin: 8px 0 20px;
  }

  .leaderboards-screen {
    display: block;
    padding: 0;
  }

  .leaderboards-panel {
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    padding:
      max(16px, env(safe-area-inset-top))
      max(var(--mobile-screen-gutter), env(safe-area-inset-right))
      max(40px, env(safe-area-inset-bottom))
      max(var(--mobile-screen-gutter), env(safe-area-inset-left));
    border: 0;
  }

  .leaderboard-table-head {
    display: none;
  }

  .leaderboard-row {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 5px 10px;
  }

  .leaderboard-row > span:not(.leaderboard-player) {
    display: none;
  }

  .leaderboard-mobile-metrics {
    display: block;
    grid-column: 2;
    color: var(--text-muted);
    overflow-wrap: anywhere;
  }

  .leaderboard-actions .arcade-button {
    flex: 1 1 130px;
    min-width: 0;
  }

  .leaderboard-tabs button {
    flex: 1 1 calc(50% - 4px);
    min-width: 0;
    padding: 10px 6px;
    font-size: 10px;
  }

  .leaderboards-panel h1,
  .profile-stats-topbar h1,
  .settings-panel > h1 {
    max-width: 100%;
    font-size: clamp(21px, 7vw, 28px);
    overflow-wrap: anywhere;
  }

  .profile-stats-screen {
    padding: 0;
  }

  .profile-stats-shell {
    min-height: 100vh;
    min-height: 100dvh;
    padding:
      max(16px, env(safe-area-inset-top))
      max(var(--mobile-screen-gutter), env(safe-area-inset-right))
      max(40px, env(safe-area-inset-bottom))
      max(var(--mobile-screen-gutter), env(safe-area-inset-left));
    border: 0;
  }

  .profile-stats-topbar {
    align-items: flex-start;
  }

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

  .profile-record-table {
    grid-template-columns: 1fr;
  }

  .recent-session-row {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .profile-grade-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .mode-screen {
    align-items: start;
    overflow-y: auto;
  }

  .mode-panel {
    padding: 14px;
    text-align: left;
  }

  .mode-panel .screen-back-button {
    margin-bottom: 8px;
  }

  .mode-panel h1 {
    margin: 3px 0 12px;
    font-size: 24px;
  }

  .mode-panel .eyebrow {
    font-size: 10px;
    letter-spacing: 0.14em;
  }

  .mode-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    max-height: none;
    overflow: visible;
  }

  .mode-card {
    min-width: 0;
    min-height: 104px;
    padding: 12px 10px;
  }

  .mode-card strong {
    min-height: 0;
    font-size: 14px;
    line-height: 1.15;
  }

  .mode-card span {
    margin-top: 6px;
    font-size: 9px;
    letter-spacing: 0.06em;
  }

  .mode-card small {
    margin-top: 10px;
    font-size: 9px;
    letter-spacing: 0.08em;
  }

  .mode-description {
    min-height: 0;
    margin-top: 10px;
    font-size: 11px;
  }

  .mode-menu-action {
    margin-top: 10px;
  }

  .mode-panel .footer-hint {
    margin-top: 10px;
    font-size: 9px;
  }

  .endless-ready-rules {
    flex-direction: column;
    gap: 8px;
  }

  .endless-hud {
    grid-template-columns: auto repeat(3, minmax(0, 1fr));
    gap: 5px;
    min-height: 76px;
    padding-inline: 8px;
    font-size: 10px;
  }

  .endless-screen {
    grid-template-rows: 76px minmax(0, 1fr);
  }

  .endless-result-headline,
  .endless-result-details,
  .daily-result-headline,
  .daily-result-details {
    grid-template-columns: 1fr;
  }

  .daily-ready-rules { flex-direction: column; gap: 7px; }
  .daily-hud {
    grid-template-columns: auto repeat(4, minmax(0, 1fr));
    gap: 4px;
    min-height: 76px;
    padding-inline: 8px;
    font-size: 9px;
  }
  .daily-screen { grid-template-rows: 76px minmax(0, 1fr); }

  .speed-result-headline,
  .speed-result-details {
    grid-template-columns: 1fr;
  }

  .speed-results-panel {
    max-height: 86vh;
    overflow: auto;
  }

  .speed-test-topbar {
    min-height: 148px;
  }

  .speed-test-topbar-primary,
  .speed-test-topbar-secondary {
    gap: 8px;
    padding-inline: 10px;
  }

  .speed-test-topbar-secondary {
    align-items: flex-start;
    flex-direction: column;
  }

  .speed-test-mode-title {
    align-items: center;
    flex-direction: column;
    gap: 2px;
  }

  .speed-test-top-actions {
    gap: 5px;
  }

  .speed-test-top-actions kbd {
    display: none;
  }

  .speed-test-stage {
    --speed-test-line-height: clamp(32px, 9vw, 40px);
    --speed-test-word-viewport-height: calc(var(--speed-test-line-height) * 2 + 20px);
    min-width: 0;
    padding: 10px max(12px, env(safe-area-inset-right)) max(52px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  }

  .speed-test-word-region {
    right: max(12px, env(safe-area-inset-right));
    left: max(12px, env(safe-area-inset-left));
  }

  .speed-test-prompt-actions {
    right: max(12px, env(safe-area-inset-right));
  }

  .speed-test-word-viewport {
    align-self: start;
    width: 100%;
    min-width: 0;
    height: calc(var(--speed-test-line-height) * 2 + 20px);
    max-height: 100%;
    margin-top: 6px;
  }

  .speed-test-word-flow {
    gap: 10px 12px;
    padding-inline: 4px;
    font-size: clamp(20px, 5.8vw, 26px);
  }

  .speed-test-config,
  .speed-test-controls-wrap,
  .speed-test-hud {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .hud {
    grid-template-columns: 1fr 1fr;
    min-height: 76px;
    padding: max(5px, env(safe-area-inset-top)) 10px 5px;
    font-size: 10px;
  }

  .game-screen { --hud-height: 76px; }

  .hud-leading,
  .boss-hud-leading {
    gap: 8px;
  }

  .boss-screen {
    grid-template-rows: 84px minmax(0, 1fr);
  }

  .boss-hud {
    grid-template-columns: 1.25fr 0.65fr 1fr;
    gap: 5px;
    min-height: 84px;
    padding-inline: 8px;
    font-size: 10px;
  }

  .boss-timer { font-size: 24px; }
  .boss-arena { padding: 12px 8px max(52px, env(safe-area-inset-bottom)); }

  .word-visual {
    padding: 2px 4px;
    font-size: clamp(13px, 4vw, 17px);
    text-shadow: 0 0 3px rgb(232 240 245 / 24%);
  }

  .word-visual.active,
  .word-visual.candidate {
    box-shadow: 0 0 8px rgb(0 255 242 / 14%);
  }

  .core {
    width: 34px;
    height: 34px;
    border-width: 1px;
    box-shadow: 0 0 8px var(--primary), 0 0 22px rgb(0 255 242 / 22%), inset 0 0 8px rgb(0 255 242 / 24%);
    animation: none;
  }

  .core::after {
    inset: 9px;
    box-shadow: 0 0 5px var(--secondary);
  }

  .boss-phrase-frame {
    width: calc(100% - 8px);
    padding: 16px 10px;
  }

  .boss-phrase-size-normal { font-size: clamp(20px, 5.8vw, 28px); }
  .boss-phrase-size-dense { font-size: clamp(18px, 5.2vw, 25px); }
  .boss-phrase-size-extreme { font-size: clamp(16px, 4.6vw, 22px); }

  .boss-intro { font-size: clamp(24px, 8vw, 36px); }
  .boss-intro span { margin-top: 8px; font-size: clamp(14px, 4.5vw, 20px); }
  .boss-intro p { margin-top: 7px; font-size: 10px; }
  .boss-intro small { margin-top: 7px; font-size: 10px; }
  .endless-hud strong { font-size: 12px; }
  .hud-value { font-size: 12px; }

  .hud-center {
    display: none;
  }

  .settings-panel {
    width: 100%;
    padding: 22px 14px;
  }

  .settings-local-profile {
    grid-template-columns: 1fr;
  }

  .settings-account-management .global-account-actions,
  .settings-account-management .profile-name-edit {
    flex-wrap: wrap;
  }

  .settings-tutorial-grid { grid-template-columns: 1fr; }
  .onboarding-dialog {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) minmax(150px, 0.55fr) auto;
    height: min(680px, calc(100dvh - (var(--mobile-screen-gutter) * 2)));
    min-height: 0;
  }
  .onboarding-copy { grid-row: 1; padding: 24px 18px; }
  .onboarding-visual { grid-row: 2; min-height: 150px; border-left: 0; border-top: 1px solid var(--locked); }
  .onboarding-action-dock { grid-row: 3; grid-template-columns: 1fr; padding: 12px 18px; }
  .onboarding-actions { flex-wrap: wrap; }
  .onboarding-progress { justify-content: flex-end; }
  .onboarding-secondary,
  .onboarding-tertiary { grid-column: 1; }
  .onboarding-control-cards { grid-template-columns: 1fr; }

  .onboarding-backdrop {
    padding:
      max(var(--mobile-screen-gutter), env(safe-area-inset-top))
      max(var(--mobile-screen-gutter), env(safe-area-inset-right))
      max(var(--mobile-screen-gutter), env(safe-area-inset-bottom))
      max(var(--mobile-screen-gutter), env(safe-area-inset-left));
  }

  .level-screen {
    padding-top: max(14px, env(safe-area-inset-top));
    padding-bottom: max(18px, env(safe-area-inset-bottom));
  }

  .level-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    min-width: 0;
    gap: 8px;
    padding: 14px 0 36px;
  }

}

@media (hover: none), (pointer: coarse) {
  .gameplay-keyboard-trigger { display: block; }
}

@media (pointer: coarse) and (max-height: 700px) {
  .speed-test-stage {
    --speed-test-word-viewport-height: min(calc(var(--speed-test-line-height) * 2 + 20px), 100%);
  }

  .speed-test-word-viewport {
    align-self: start;
    height: min(calc(var(--speed-test-line-height) * 2 + 20px), 100%);
  }
}

body.gameplay-viewport-short .speed-test-topbar {
  min-height: 88px;
  padding-top: max(3px, env(safe-area-inset-top));
}

body.gameplay-viewport-short .speed-test-topbar-primary,
body.gameplay-viewport-short .speed-test-topbar-secondary {
  min-height: 42px;
  padding-block: 3px;
}

body.gameplay-viewport-short .speed-test-mode-title span,
body.gameplay-viewport-short .speed-test-word-set,
body.gameplay-viewport-short .speed-test-controls-wrap {
  display: none;
}

body.gameplay-viewport-short .speed-test-stage {
  --speed-test-line-height: clamp(30px, 8vh, 40px);
  --speed-test-word-viewport-height: min(calc(var(--speed-test-line-height) * 2 + 20px), 100%);
  --speed-test-center-timer-size: clamp(30px, 8vh, 40px);
  --speed-test-center-timer-half-size: clamp(15px, 4vh, 20px);
  padding: 4px 14px max(46px, env(safe-area-inset-bottom));
}

body.gameplay-viewport-short .speed-test-word-region {
  right: 14px;
  left: 14px;
}

body.gameplay-viewport-short .speed-test-prompt-actions {
  top: 4px;
  right: 14px;
}

body.gameplay-viewport-short .speed-test-word-viewport {
  height: min(calc(var(--speed-test-line-height) * 2 + 20px), 100%);
}

body.gameplay-viewport-short .play-area { min-height: 0; }

body.gameplay-viewport-short .game-screen {
  --hud-height: 62px;
}

body.gameplay-viewport-short .hud,
body.gameplay-viewport-short .daily-hud,
body.gameplay-viewport-short .endless-hud,
body.gameplay-viewport-short .boss-hud {
  min-height: 62px;
  padding-block: max(3px, env(safe-area-inset-top)) 3px;
}

body.gameplay-viewport-short .daily-screen,
body.gameplay-viewport-short .endless-screen,
body.gameplay-viewport-short .boss-screen {
  grid-template-rows: 62px minmax(0, 1fr);
}

body.gameplay-viewport-short .daily-hud {
  grid-template-columns: auto repeat(4, minmax(0, 1fr));
  gap: 4px;
  font-size: 9px;
}

body.gameplay-viewport-short .endless-hud {
  grid-template-columns: auto repeat(3, minmax(0, 1fr));
  gap: 5px;
  font-size: 10px;
}

body.gameplay-viewport-short .boss-hud {
  gap: 5px;
  font-size: 10px;
}

body.gameplay-viewport-short .boss-hud-right {
  font-size: 9px;
}

body.gameplay-viewport-short .boss-arena {
  padding: 8px 12px max(46px, env(safe-area-inset-bottom));
}

body.gameplay-viewport-short .boss-phrase-frame {
  padding: 14px;
}

body.gameplay-viewport-short .boss-progress {
  margin-block: 12px 8px;
}

body.gameplay-viewport-short .word-visual {
  padding: 2px 4px;
  font-size: clamp(13px, 4vh, 17px);
  text-shadow: 0 0 3px rgb(232 240 245 / 24%);
}

body.gameplay-viewport-short .core {
  width: 34px;
  height: 34px;
  border-width: 1px;
  box-shadow: 0 0 8px var(--primary), 0 0 22px rgb(0 255 242 / 22%), inset 0 0 8px rgb(0 255 242 / 24%);
  animation: none;
}

body.gameplay-viewport-short .core::after {
  inset: 9px;
  box-shadow: 0 0 5px var(--secondary);
}

body.gameplay-viewport-short .boss-phrase-size-normal { font-size: clamp(20px, 6vh, 28px); }
body.gameplay-viewport-short .boss-phrase-size-dense { font-size: clamp(18px, 5.4vh, 25px); }
body.gameplay-viewport-short .boss-phrase-size-extreme { font-size: clamp(16px, 4.8vh, 22px); }

@media (orientation: portrait) and (max-width: 760px) {
  .speed-test-stage { padding: 10px 14px 56px; }
  .speed-test-word-viewport { height: calc(var(--speed-test-line-height) * 2 + 20px); }
  .play-area { min-height: 42vh; }
}

@media (orientation: landscape) and (max-height: 520px) {
  .gameplay-keyboard-trigger { min-height: 44px; padding: 6px 9px; }
  .speed-test-stage { padding: 6px 14px 48px; }
  .speed-test-word-viewport { height: min(calc(var(--speed-test-line-height) * 2 + 20px), 100%); }
  .onboarding-dialog {
    grid-template-columns: minmax(260px, 1fr) minmax(300px, 1fr);
    grid-template-rows: minmax(0, 1fr) auto;
    height: calc(100dvh - 24px);
  }
  .onboarding-copy { grid-row: 1; grid-column: 1; }
  .onboarding-visual { grid-row: 1; grid-column: 2; min-height: 0; border-top: 0; border-left: 1px solid var(--locked); }
  .onboarding-action-dock { grid-row: 2; grid-column: 1 / -1; grid-template-columns: 1fr auto; }
  .onboarding-copy { padding: 18px 22px; }
  .onboarding-progress { justify-content: flex-start; }
  .onboarding-secondary,
  .onboarding-tertiary { grid-column: 2; }
}

@media (max-height: 760px) {
  .menu-screen {
    padding: 12px;
  }

  .title-panel {
    padding-block: 18px;
  }

  .brand-logo {
    width: min(56vw, 260px);
    margin-block: 4px 0.4rem;
  }

  .title-panel .subtitle {
    margin: 6px 0 14px;
  }

  .title-panel .footer-hint {
    margin-top: 12px;
  }
}

.practice-lab-screen {
  align-items: flex-start;
  min-height: 100dvh;
  padding: clamp(20px, 4vw, 56px);
  overflow: visible;
}

.practice-lab-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.practice-lab-header,
.practice-lab-section-heading,
.practice-lab-card-footer,
.practice-lab-header-actions {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.practice-lab-header {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-subtle);
}

.practice-lab-header h1,
.practice-lab-detail h1 {
  margin: 7px 0 10px;
  color: var(--primary);
  font-size: clamp(34px, 6vw, 64px);
  line-height: 0.98;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.practice-lab-screen [data-practice-heading]:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 5px;
}

.practice-lab-header p,
.practice-lab-section-heading p {
  max-width: 700px;
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.practice-lab-preview,
.practice-lab-status {
  display: inline-flex;
  padding: 5px 8px;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.practice-lab-help,
.practice-lab-text-button,
.practice-lab-feature-card button,
.practice-lab-detail button {
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--primary);
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  font: inherit;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.practice-lab-help:hover,
.practice-lab-help:focus-visible,
.practice-lab-text-button:hover,
.practice-lab-text-button:focus-visible,
.practice-lab-feature-card button:not(:disabled):hover,
.practice-lab-feature-card button:not(:disabled):focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  background: rgb(0 255 242 / 8%);
}

.practice-lab-screen button:disabled {
  border-color: var(--locked);
  color: var(--text-disabled);
  cursor: not-allowed;
}

.practice-lab-feature-grid,
.practice-lab-empty-grid,
.practice-lab-analysis-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.practice-lab-feature-card,
.practice-lab-empty-grid article,
.practice-lab-experiment-card,
.practice-lab-analysis-grid button,
.practice-lab-empty-state,
.practice-lab-detail dl {
  border: 1px solid var(--border-subtle);
  background: rgb(16 23 32 / 92%);
  box-shadow: inset 3px 0 rgb(0 255 242 / 28%);
}

.practice-lab-feature-card {
  min-height: 285px;
  padding: clamp(20px, 3vw, 32px);
}

.practice-lab-feature-card h2,
.practice-lab-section-heading h2,
.practice-lab-empty-grid h2,
.practice-lab-empty-state h2 {
  margin: 8px 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.practice-lab-feature-card p,
.practice-lab-empty-grid p,
.practice-lab-experiment-card p,
.practice-lab-detail p,
.practice-lab-analysis-grid span {
  color: var(--text-secondary);
  line-height: 1.55;
}

.practice-lab-feature-card ul {
  padding-left: 20px;
  color: var(--text-muted);
  line-height: 1.8;
}

.practice-lab-feature-card button {
  margin-top: 12px;
}

.practice-lab-empty-grid article {
  padding: 20px;
  box-shadow: inset 3px 0 rgb(255 60 172 / 30%);
}

.practice-lab-analysis,
.practice-lab-catalog {
  margin-top: 48px;
}

.practice-lab-analysis-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.practice-lab-analysis-grid button {
  min-height: 112px;
  padding: 18px;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.practice-lab-analysis-grid strong,
.practice-lab-analysis-grid span {
  display: block;
}

.practice-lab-analysis-grid span {
  margin-top: 9px;
  font-size: 11px;
}

.practice-lab-category {
  margin-top: 30px;
}

.practice-lab-category > h3 {
  color: var(--secondary);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.practice-lab-experiment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.practice-lab-experiment-card {
  display: flex;
  flex-direction: column;
  min-height: 230px;
  padding: 18px;
}

.practice-lab-experiment-card h3 {
  margin: 14px 0 0;
  color: var(--text);
  text-transform: uppercase;
}

.practice-lab-experiment-card p {
  flex: 1;
  margin-bottom: 18px;
  font-size: 12px;
}

.practice-lab-card-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-muted);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.practice-lab-card-footer {
  align-items: center;
}

.practice-lab-text-button {
  min-height: 36px;
  padding: 7px 9px;
}

.practice-lab-accent-precision { box-shadow: inset 3px 0 rgb(255 60 172 / 50%); }
.practice-lab-accent-speed { box-shadow: inset 3px 0 rgb(255 71 87 / 55%); }
.practice-lab-accent-fluency { box-shadow: inset 3px 0 rgb(76 255 142 / 42%); }
.practice-lab-accent-real-world { box-shadow: inset 3px 0 rgb(255 193 77 / 48%); }
.practice-lab-accent-custom { box-shadow: inset 3px 0 rgb(154 120 255 / 48%); }

.practice-lab-detail {
  width: min(820px, 100%);
  margin: clamp(20px, 6vh, 72px) auto 0;
}

.practice-lab-lead {
  font-size: clamp(16px, 2vw, 20px);
}

.practice-lab-detail dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0;
  background: var(--border-subtle);
}

.practice-lab-detail dl div {
  padding: 16px;
  background: var(--panel);
}

.practice-lab-detail dt {
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.practice-lab-detail dd {
  margin: 7px 0 0;
  color: var(--text);
}

.practice-lab-notice,
.practice-lab-empty-state {
  margin: 22px 0;
  padding: 20px;
  color: var(--text-secondary);
}

.practice-lab-future-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 0;
  list-style: none;
}

.practice-lab-future-list li {
  padding: 12px;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

@media (max-width: 900px) {
  .practice-lab-experiment-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .practice-lab-screen { padding: 16px; }
  .practice-lab-header,
  .practice-lab-section-heading { flex-direction: column; }
  .practice-lab-header-actions { width: 100%; align-items: center; }
  .practice-lab-feature-grid,
  .practice-lab-empty-grid,
  .practice-lab-analysis-grid,
  .practice-lab-experiment-grid,
  .practice-lab-detail dl,
  .practice-lab-future-list { grid-template-columns: 1fr; }
  .practice-lab-feature-card { min-height: 0; }
  .practice-lab-experiment-card { min-height: 205px; }
  .practice-lab-card-footer { align-items: center; }
}

@media (orientation: landscape) and (max-height: 520px) {
  .practice-lab-screen { padding-block: 12px; }
  .practice-lab-header h1 { font-size: 34px; }
  .practice-lab-feature-card { min-height: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .speed-test-caret::after {
    animation: none;
  }
  .demo-word { animation: none; transform: none; opacity: 1; }
}

@media (max-width: 980px) {
  .dev-panel {
    grid-template-columns: 1fr;
  }
}