* {
  box-sizing: border-box;
}

:root {
  --shell-pad: 14px;
  --content-max-width: 1200px;
  --app-header-height: 84px;
  --section-pad: 14px;
  --bg: #dff8ff;
  --bg-strong: #6cd7ff;
  --card: rgba(255, 255, 255, 0.82);
  --text: #07384c;
  --muted: #2e667d;
  --primary: #00b7d9;
  --primary-strong: #0089ab;
  --success: #16ba78;
  --danger: #ea5577;
  --border: #98dced;
  --nav: rgba(241, 253, 255, 0.9);
  --shadow: 0 20px 44px rgba(0, 112, 143, 0.2);
  --radius: 18px;
  --bg-gradient: radial-gradient(circle at 12% 5%, rgba(153, 255, 250, 0.72), transparent 40%),
    radial-gradient(circle at 92% 4%, rgba(64, 167, 255, 0.58), transparent 34%),
    linear-gradient(162deg, var(--bg) 0%, var(--bg-strong) 100%);
  --spot: radial-gradient(circle at 84% 10%, rgba(255, 255, 255, 0.43), transparent 60%);
  --field-bg: rgba(255, 255, 255, 0.95);
  --field-text: #09374a;
  --tile-bg: rgba(255, 255, 255, 0.92);
  --numpad-bg: rgba(255, 255, 255, 0.92);
  --nav-btn-bg: rgba(255, 255, 255, 0.92);
  --buddy-avatar-corner: 19%;
  --buddy-hero-size: clamp(140px, 44vw, 286px);
  --speech-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.88));
  --speech-tail-bg: rgba(255, 255, 255, 0.93);
  --speech-border: rgba(5, 38, 63, 0.34);
  --control-icon: var(--muted);
  --control-icon-filter: brightness(0) saturate(100%) invert(42%) sepia(10%) saturate(1104%)
    hue-rotate(172deg) brightness(93%) contrast(88%);
}

body[data-style='modern-citrus-blast'] {
  --bg: #fff4db;
  --bg-strong: #ffbf5b;
  --card: rgba(255, 255, 255, 0.84);
  --text: #4a2608;
  --muted: #8c5b20;
  --primary: #ff9a1a;
  --primary-strong: #db6e00;
  --success: #1fbf7e;
  --danger: #ef4e67;
  --border: #f5cd8a;
  --nav: rgba(255, 248, 234, 0.92);
  --shadow: 0 20px 46px rgba(167, 87, 0, 0.2);
  --bg-gradient: radial-gradient(circle at 8% 8%, rgba(255, 233, 120, 0.75), transparent 42%),
    radial-gradient(circle at 88% 8%, rgba(255, 129, 64, 0.62), transparent 40%),
    linear-gradient(158deg, var(--bg) 0%, var(--bg-strong) 100%);
  --spot: radial-gradient(circle at 82% 10%, rgba(255, 255, 255, 0.42), transparent 62%);
  --field-bg: rgba(255, 255, 255, 0.95);
  --field-text: #4b2a0f;
  --tile-bg: rgba(255, 255, 255, 0.93);
  --numpad-bg: rgba(255, 255, 255, 0.93);
  --nav-btn-bg: rgba(255, 255, 255, 0.92);
}

body[data-style='modern-lagoon-pop'] {
  --bg: #dff8ff;
  --bg-strong: #6cd7ff;
  --card: rgba(255, 255, 255, 0.82);
  --text: #07384c;
  --muted: #2e667d;
  --primary: #00b7d9;
  --primary-strong: #0089ab;
  --success: #16ba78;
  --danger: #ea5577;
  --border: #98dced;
  --nav: rgba(241, 253, 255, 0.9);
  --shadow: 0 20px 44px rgba(0, 112, 143, 0.2);
  --bg-gradient: radial-gradient(circle at 12% 5%, rgba(153, 255, 250, 0.72), transparent 40%),
    radial-gradient(circle at 92% 4%, rgba(64, 167, 255, 0.58), transparent 34%),
    linear-gradient(162deg, var(--bg) 0%, var(--bg-strong) 100%);
  --spot: radial-gradient(circle at 84% 10%, rgba(255, 255, 255, 0.43), transparent 60%);
  --field-bg: rgba(255, 255, 255, 0.95);
  --field-text: #09374a;
  --tile-bg: rgba(255, 255, 255, 0.92);
  --numpad-bg: rgba(255, 255, 255, 0.92);
  --nav-btn-bg: rgba(255, 255, 255, 0.92);
}

body[data-style='modern-pink-mint'] {
  --bg: #ffeaf5;
  --bg-strong: #bff5e5;
  --card: rgba(255, 255, 255, 0.85);
  --text: #4b1235;
  --muted: #7a4c68;
  --primary: #ff4fa0;
  --primary-strong: #cf287d;
  --success: #1fbe8c;
  --danger: #e74475;
  --border: #efbfd5;
  --nav: rgba(255, 246, 251, 0.92);
  --shadow: 0 20px 44px rgba(169, 46, 115, 0.18);
  --bg-gradient: radial-gradient(circle at 10% 8%, rgba(255, 130, 196, 0.62), transparent 40%),
    radial-gradient(circle at 90% 6%, rgba(104, 240, 210, 0.58), transparent 38%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg-strong) 100%);
  --spot: radial-gradient(circle at 84% 10%, rgba(255, 255, 255, 0.43), transparent 60%);
  --field-bg: rgba(255, 255, 255, 0.95);
  --field-text: #4a1735;
  --tile-bg: rgba(255, 255, 255, 0.92);
  --numpad-bg: rgba(255, 255, 255, 0.92);
  --nav-btn-bg: rgba(255, 255, 255, 0.92);
}

body[data-style='modern-pink-midnight'] {
  --bg: #100a1c;
  --bg-strong: #1e2548;
  --card: rgba(24, 18, 42, 0.84);
  --text: #f6edff;
  --muted: #c8b2df;
  --primary: #ff4ec7;
  --primary-strong: #c72496;
  --success: #30cd95;
  --danger: #ff678f;
  --border: #44335e;
  --nav: rgba(16, 11, 28, 0.9);
  --shadow: 0 22px 48px rgba(0, 0, 0, 0.44);
  --bg-gradient: radial-gradient(circle at 10% 10%, rgba(255, 84, 205, 0.34), transparent 36%),
    radial-gradient(circle at 90% 3%, rgba(92, 136, 255, 0.42), transparent 34%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg-strong) 100%);
  --spot: radial-gradient(circle at 84% 8%, rgba(255, 123, 232, 0.2), transparent 62%);
  --field-bg: rgba(23, 18, 42, 0.92);
  --field-text: #f8efff;
  --tile-bg: rgba(23, 18, 42, 0.92);
  --numpad-bg: rgba(23, 18, 42, 0.95);
  --nav-btn-bg: rgba(23, 18, 42, 0.95);
  --speech-bg: linear-gradient(180deg, rgba(38, 28, 66, 0.96), rgba(22, 17, 42, 0.94));
  --speech-tail-bg: rgba(23, 18, 42, 0.95);
  --speech-border: rgba(200, 167, 255, 0.6);
}

html,
body {
  margin: 0;
  height: 100%;
  min-height: 100%;
  overflow: hidden;
  overflow-x: hidden;
  overscroll-behavior: none;
}

body {
  font-family: 'Avenir Next', 'Trebuchet MS', 'Comic Sans MS', sans-serif;
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text);
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: -24% -18% auto auto;
  width: 72vw;
  height: 42vw;
  max-width: 620px;
  max-height: 360px;
  pointer-events: none;
  background: var(--spot);
  z-index: -1;
}

.app-shell {
  width: min(100%, calc(var(--content-max-width) + (var(--shell-pad) * 2)));
  margin-inline: auto;
  height: 100dvh;
  min-height: 100dvh;
  padding: calc(var(--app-header-height) + 12px) var(--shell-pad)
    calc(var(--shell-pad) + env(safe-area-inset-bottom));
  overflow: visible;
}

.app-shell::after {
  content: '';
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(22px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, rgba(0, 0, 0, 0), var(--nav));
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
  z-index: 70;
}

.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  display: block;
  margin-bottom: 0;
  padding: calc(env(safe-area-inset-top) + var(--shell-pad)) var(--shell-pad) 0;
  isolation: isolate;
}

.app-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--nav), rgba(0, 0, 0, 0));
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
  z-index: 0;
}

.header-main-row {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: var(--content-max-width);
  margin-inline: auto;
}

.header-actions {
  grid-column: 3;
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 8px;
  min-width: 0;
}

body.scrolled-under-header .app-header::before {
  opacity: 0.92;
}

body.scrolled-under-footer .app-shell::after {
  opacity: 0.92;
}

.header-start-btn,
.header-close-btn {
  width: 48px;
  min-width: 48px;
  min-height: 48px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border);
  background: var(--nav-btn-bg);
  color: var(--text);
}

.header-start-btn {
  grid-column: 1;
}

.header-start-btn,
#start-session-btn {
  border-color: var(--primary-strong);
  background: linear-gradient(180deg, var(--primary), var(--primary-strong));
  color: #fff;
  box-shadow: 0 10px 22px rgba(6, 27, 54, 0.26), inset 0 1px 0 rgba(255, 255, 255, 0.26);
}

.header-title {
  grid-column: 2;
  min-width: 0;
}

#header-main-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.route-btn.active {
  border-color: var(--primary-strong);
  background: linear-gradient(180deg, var(--primary), var(--primary-strong));
  color: #fff;
  box-shadow: 0 10px 22px rgba(6, 27, 54, 0.26), inset 0 1px 0 rgba(255, 255, 255, 0.26);
}

.eyebrow {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  margin-top: 3px;
  font-size: 1.42rem;
}

h2,
h3 {
  margin-bottom: 8px;
}

.header-close-btn {
  grid-column: 3;
  justify-self: end;
}

.header-start-btn.is-back {
  border-color: var(--border);
  background: var(--nav-btn-bg);
  color: var(--text);
  box-shadow: none;
}

.header-start-btn::before,
.header-close-btn::before {
  content: '';
  width: 20px;
  height: 20px;
  display: block;
  background-color: currentColor;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: 20px 20px;
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: 20px 20px;
}

#header-start-btn:not(.is-back)::before {
  -webkit-mask-image: url('../img/icons/ui/start-math-flat.svg');
  mask-image: url('../img/icons/ui/start-math-flat.svg');
}

#header-start-btn.is-back::before {
  -webkit-mask-image: url('../img/icons/ui/arrow-left-flat.svg');
  mask-image: url('../img/icons/ui/arrow-left-flat.svg');
}

#settings-logout-btn::before {
  -webkit-mask-image: url('../img/icons/ui/logout-flat.svg');
  mask-image: url('../img/icons/ui/logout-flat.svg');
}

#header-manage-users-btn::before {
  -webkit-mask-image: url('../img/icons/ui/gear-flat.svg');
  mask-image: url('../img/icons/ui/gear-flat.svg');
}

#header-manage-users-btn.route-close-mode::before {
  -webkit-mask-image: url('../img/icons/ui/close-flat.svg');
  mask-image: url('../img/icons/ui/close-flat.svg');
}

.active-user-indicator.route-close-mode .active-user-avatar {
  visibility: hidden;
}

.active-user-indicator.route-close-mode::before {
  content: '';
  position: absolute;
  left: calc(var(--active-user-pad-x) + (var(--active-user-icon-size) - 20px) / 2);
  top: 50%;
  width: 20px;
  height: 20px;
  display: block;
  transform: translateY(-50%);
  background-color: currentColor;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: 20px 20px;
  -webkit-mask-image: url('../img/icons/ui/close-flat.svg');
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: 20px 20px;
  mask-image: url('../img/icons/ui/close-flat.svg');
}

.views {
  position: relative;
  display: grid;
  height: 100%;
  min-height: 0;
  gap: 12px;
  overflow: visible;
}

.view {
  display: none;
  gap: 12px;
  min-height: 0;
  overflow: visible;
}

.view.active {
  display: grid;
  min-height: 0;
  overflow: visible;
  position: relative;
  z-index: 5;
}

.view.leaving {
  display: grid;
  position: absolute;
  inset: 0;
  min-height: 0;
  overflow: visible;
  pointer-events: none;
  z-index: 9;
}

#view-settings.active,
#view-manage-users.active {
  overflow-y: auto;
  overflow-x: hidden;
  margin-left: calc(var(--shell-pad) * -1);
  margin-right: calc(var(--shell-pad) * -1);
  padding: 8px var(--shell-pad) calc(env(safe-area-inset-bottom) + 48px) var(--shell-pad);
  scrollbar-gutter: stable;
}

#view-settings.leaving,
#view-manage-users.leaving {
  margin-left: calc(var(--shell-pad) * -1);
  margin-right: calc(var(--shell-pad) * -1);
  padding: 8px var(--shell-pad) calc(env(safe-area-inset-bottom) + 48px) var(--shell-pad);
}

#view-auth.active {
  align-content: center;
}

#view-loading.active {
  align-content: center;
}

#view-start.active {
  grid-template-rows: minmax(0, 1fr);
}

.route-enter-from-top {
  animation: route-in-from-top 0.26s cubic-bezier(0.22, 0.86, 0.3, 1) both;
}

.route-enter-from-bottom {
  animation: route-in-from-bottom 0.26s cubic-bezier(0.22, 0.86, 0.3, 1) both;
}

.route-enter-from-right {
  animation: route-in-from-right 0.28s cubic-bezier(0.22, 0.86, 0.3, 1) both;
}

.route-enter-from-left {
  animation: route-in-from-left 0.28s cubic-bezier(0.22, 0.86, 0.3, 1) both;
}

.route-enter-from-top,
.route-enter-from-bottom,
.route-enter-from-right,
.route-enter-from-left {
  position: relative;
  z-index: 12;
}

.view.leaving.route-leave-to-top {
  animation: route-out-to-top 0.26s cubic-bezier(0.3, 0.14, 0.36, 1) both;
}

.view.leaving.route-leave-to-bottom {
  animation: route-out-to-bottom 0.26s cubic-bezier(0.3, 0.14, 0.36, 1) both;
}

.view.leaving.route-leave-to-left {
  animation: route-out-to-left 0.28s cubic-bezier(0.3, 0.14, 0.36, 1) both;
}

.view.leaving.route-leave-to-right {
  animation: route-out-to-right 0.28s cubic-bezier(0.3, 0.14, 0.36, 1) both;
}

@keyframes route-in-from-top {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes route-in-from-bottom {
  from {
    opacity: 0;
    transform: translateY(100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes route-out-to-top {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-100%);
  }
}

@keyframes route-out-to-bottom {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(100%);
  }
}

@keyframes route-in-from-right {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes route-in-from-left {
  from {
    opacity: 0;
    transform: translateX(-100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes route-out-to-left {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-100%);
  }
}

@keyframes route-out-to-right {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

#view-start > .start-users-section {
  height: 100%;
  min-height: 0;
  overflow: visible;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.auth-card {
  width: 100%;
  max-width: 460px;
  justify-self: center;
}

.loading-card {
  width: 100%;
  max-width: 420px;
  justify-self: center;
  justify-items: center;
  text-align: center;
  gap: 12px;
}

.loading-spinner {
  width: 46px;
  height: 46px;
  border: 4px solid var(--border);
  border-top-color: var(--primary-strong);
  border-radius: 50%;
  animation: loading-spin 0.85s linear infinite;
}

@keyframes loading-spin {
  to {
    transform: rotate(360deg);
  }
}

.auth-form {
  display: grid;
  gap: 10px;
}

/* Keep login/register panel height stable so tabs do not jump vertically. */
#auth-login-form,
#auth-register-form {
  min-height: 336px;
  align-content: start;
}

/* Segmented tab styling for login/register auth mode switching. */
.auth-mode-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin: 10px 0 14px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(180deg, var(--field-bg), var(--tile-bg));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32);
}

.auth-mode-btn {
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  letter-spacing: 0.01em;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease,
    transform 0.12s ease;
}

.auth-mode-btn.active {
  background: linear-gradient(180deg, var(--primary), var(--primary-strong));
  color: #fff;
  border-color: var(--primary-strong);
  box-shadow: 0 8px 14px rgba(0, 0, 0, 0.16);
}

.auth-mode-btn:hover,
.auth-mode-btn:focus-visible {
  color: var(--text);
  background: var(--tile-bg);
}

.auth-mode-btn.active:hover,
.auth-mode-btn.active:focus-visible {
  color: #fff;
  background: linear-gradient(180deg, var(--primary), var(--primary-strong));
}

.auth-mode-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.auth-mode-btn:active {
  transform: translateY(1px);
}

.auth-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.auth-link-btn {
  min-height: 0;
  width: fit-content;
  padding: 0;
  margin-top: 2px;
  border: 0;
  background: transparent;
  color: var(--primary-strong);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 700;
}

.auth-link-btn:hover,
.auth-link-btn:focus-visible {
  color: var(--primary);
}

.auth-remember-switch {
  align-items: center;
}

#auth-feedback {
  min-height: 1.15em;
}

.auth-flow-message {
  font-size: clamp(0.98rem, 3.9vw, 1.06rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  margin: 2px 0 10px;
}

.account-password-form {
  display: grid;
  gap: 10px;
  margin-bottom: 8px;
}

.account-profile-form {
  display: grid;
  gap: 10px;
  margin-bottom: 8px;
}

.start-users-section {
  flex: 1 1 auto;
  min-height: 0;
}

.start-selected-user {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: var(--tile-bg);
}

.start-buddy-wrap {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  position: relative;
  isolation: isolate;
}

.start-buddy-wrap::before,
.start-buddy-wrap::after,
.session-illustration::before,
.session-illustration::after {
  position: absolute;
  z-index: -1;
  pointer-events: none;
  font-size: clamp(1.22rem, 4.8vw, 2rem);
  line-height: 1;
  opacity: 0.8;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.18));
  animation: scene-float 3.2s ease-in-out infinite;
}

.start-buddy-wrap::before,
.session-illustration::before {
  content: attr(data-scene-left);
  left: clamp(2px, 1.4vw, 10px);
  top: 8%;
}

.start-buddy-wrap::after,
.session-illustration::after {
  content: attr(data-scene-right);
  right: clamp(2px, 1.4vw, 10px);
  bottom: 12%;
  animation-delay: 0.55s;
}

.start-selected-user-header,
.start-buddy-speech,
.start-selected-user .start-selection-grid,
.session-illustration-line,
.session-illustration-avatar-wrap,
.session-illustration-action {
  position: relative;
  z-index: 1;
}

.start-selected-user-header {
  display: grid;
  justify-items: center;
  gap: 6px;
}

.start-selected-user img {
  width: var(--buddy-hero-size);
  height: var(--buddy-hero-size);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--buddy-avatar-corner);
  border: 2px solid var(--border);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* In race mode, shrink the selected buddy on the start page to free room for race participants. */
#view-start .start-selected-user.is-race-mode #start-selected-user-avatar {
  width: clamp(112px, 36vw, 220px);
  height: clamp(112px, 36vw, 220px);
}

/* On smaller phones, reduce the race start buddy a bit more to save vertical space. */
@media (max-width: 480px) {
  #view-start .start-selected-user.is-race-mode #start-selected-user-avatar {
    width: clamp(92px, 31vw, 168px);
    height: clamp(92px, 31vw, 168px);
  }
}

#start-selected-user-avatar {
  animation: start-buddy-excited 2.45s ease-in-out infinite;
}

.start-selected-user-copy {
  min-width: 0;
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 2px;
}

#view-start .start-selected-user-copy {
  display: none;
}

.start-selected-user-name {
  margin: 0;
  font-size: clamp(1.08rem, 4.4vw, 1.4rem);
  line-height: 1.15;
  font-weight: 800;
  color: var(--text);
}

.start-selected-user-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.start-selected-user.is-empty {
  opacity: 0.9;
}

.buddy-speech {
  position: relative;
  margin: 0;
  padding: 10px 12px;
  border: 2px solid var(--speech-border);
  border-radius: 16px;
  background: var(--speech-bg);
  color: var(--text);
  font-family: 'Comic Sans MS', 'Marker Felt', 'Avenir Next', sans-serif;
  font-size: clamp(0.9rem, 3.4vw, 1rem);
  font-weight: 700;
  line-height: 1.34;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
}

.buddy-speech::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 28px;
  width: 14px;
  height: 14px;
  background: var(--speech-tail-bg);
  border-right: 2px solid var(--speech-border);
  border-bottom: 2px solid var(--speech-border);
  transform: rotate(45deg);
}

.start-buddy-speech {
  margin-top: 0;
  margin-bottom: 0;
}

.start-race-preview {
  width: 100%;
  display: grid;
  justify-items: center;
  gap: 8px;
}

.start-race-preview-title {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--muted);
  text-align: center;
}

.start-race-preview-list {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 7px;
}

.start-race-preview-item {
  min-width: 0;
  display: grid;
  justify-items: center;
  align-content: start;
  gap: 4px;
}

.start-race-preview-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--field-bg);
  box-shadow: 0 5px 12px rgba(0, 0, 0, 0.2);
  display: inline-grid;
  place-items: center;
  overflow: hidden;
}

.start-race-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 0;
  box-shadow: none;
}

.start-race-preview-name {
  max-width: 100%;
  margin: 0;
  font-size: 0.66rem;
  font-weight: 800;
  color: var(--text);
  text-align: center;
  line-height: 1.14;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.race-wheel-slot img,
.race-podium-slot img {
  will-change: transform;
  animation: race-avatar-idle 2.55s ease-in-out infinite;
  animation-delay: var(--avatar-float-delay, 0s);
}

.race-track-token img {
  transform: translateY(0) scale(1);
}

.race-track-token.is-active img,
.race-track-token.is-finished img {
  will-change: transform;
  animation: race-avatar-idle 2.3s ease-in-out infinite;
  animation-delay: var(--avatar-float-delay, 0s);
}

.start-race-preview-item img {
  will-change: transform;
  animation: race-avatar-excited 1.18s ease-in-out infinite;
  animation-delay: var(--avatar-float-delay, 0s);
}

.race-track-token.is-active img {
  animation-duration: 1.95s;
}

/* Start page settings summary sits below avatar/name row to keep a vertical flow. */
.start-selected-user .start-selection-grid {
  margin-top: auto;
  padding-top: 8px;
}

.start-buddy-speech strong {
  font-weight: 900;
  color: var(--primary-strong);
}

#start-session-btn {
  margin-top: auto;
  flex-shrink: 0;
}

#view-learn.active {
  grid-template-rows: minmax(0, 1fr) auto;
  align-content: start;
}

#view-learn > .card:first-child {
  height: 100%;
  min-height: 0;
  overflow: visible;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.learn-abort-btn {
  width: 48px;
  min-width: 48px;
  min-height: 48px;
  padding: 0;
  border: 1px solid var(--border);
  display: inline-grid;
  place-items: center;
  justify-self: end;
  align-self: center;
  background: var(--nav-btn-bg);
  color: var(--text);
  box-shadow: none;
  appearance: none;
  -webkit-appearance: none;
}

.learn-abort-btn::before {
  content: '';
  width: 20px;
  height: 20px;
  display: block;
  background-color: currentColor;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: 20px 20px;
  -webkit-mask-image: url('../img/icons/ui/stop-flat.svg');
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: 20px 20px;
  mask-image: url('../img/icons/ui/stop-flat.svg');
}

#view-learn > .card:first-child .numpad {
  margin-top: auto;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  padding: var(--section-pad);
  display: grid;
  gap: 10px;
}

.result-card-encourage {
  border-color: #f0b365;
  background: linear-gradient(180deg, rgba(255, 196, 112, 0.2), var(--card));
}

.badge {
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
  padding: 8px 10px;
  font-size: 0.86rem;
}

.active-user-indicator {
  --active-user-icon-size: 30px;
  --active-user-pad-x: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: auto;
  min-width: 0;
  max-width: min(42vw, 190px);
  padding-inline: var(--active-user-pad-x);
  border: 1px solid var(--border);
  background: var(--nav-btn-bg);
  color: var(--text);
  box-shadow: none;
  cursor: pointer;
  white-space: nowrap;
  border-radius: 12px;
  position: relative;
}

.is-settings-route .active-user-indicator {
  max-width: min(42vw, 190px);
}

.active-user-avatar {
  width: var(--active-user-icon-size);
  height: var(--active-user-icon-size);
  border-radius: 50%;
  border: 2px solid var(--border);
  object-fit: cover;
  flex: 0 0 auto;
}

#active-user-label {
  overflow: hidden;
  text-overflow: clip;
}

label,
.label {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

input,
select,
button {
  font: inherit;
}

button,
[role='button'],
a[href],
input[type='button'],
input[type='submit'],
input[type='reset'],
input[type='checkbox'],
input[type='radio'],
select,
label.switch,
label.switch * {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled {
  cursor: not-allowed;
}

.touch {
  min-height: 48px;
  border-radius: 12px;
}

input,
select {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--border);
  background: var(--field-bg);
  padding: 10px 12px;
  color: var(--field-text);
}

.level-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 4px;
}

.level-option {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--field-bg);
  color: var(--text);
  font-weight: 700;
}

.level-option-custom {
  grid-column: 1 / -1;
}

.level-option input[type='checkbox'] {
  width: 20px;
  height: 20px;
  min-width: 20px;
  margin: 0;
  accent-color: var(--primary-strong);
}

#user-default-level-custom-wrap {
  margin-top: 8px;
}

.level-custom-wrap {
  grid-column: 1 / -1;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--field-bg);
  padding: 8px 10px;
}

.level-custom-wrap.single-input-mode {
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0;
}

.level-custom-wrap:not(.hidden) {
  display: grid;
  gap: 6px;
}

.task-settings-layout {
  display: grid;
  gap: 10px;
}

.session-mode-wrap {
  display: grid;
  gap: 6px;
  margin-bottom: 8px;
}

#session-race-fields:not(.hidden) {
  display: grid;
  gap: 6px;
}

.task-settings-topic-field,
.task-settings-level-field {
  min-width: 0;
}

.field-invalid {
  border-color: var(--danger) !important;
  background: rgba(244, 95, 119, 0.16) !important;
}

.field-validation {
  margin-top: 6px;
  font-size: 0.8rem;
  line-height: 1.35;
  color: var(--danger);
  font-weight: 700;
}

select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 40px;
  background-image: linear-gradient(45deg, transparent 50%, var(--control-icon) 50%),
    linear-gradient(135deg, var(--control-icon) 50%, transparent 50%);
  background-position: calc(100% - 20px) calc(50% - 1px), calc(100% - 14px) calc(50% - 1px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

select::-ms-expand {
  display: none;
}

input[type='date'] {
  position: relative;
  min-width: 0;
  max-width: 100%;
  padding-right: 38px;
}

input[type='date']::-webkit-calendar-picker-indicator {
  position: absolute;
  right: 14px;
  width: 18px;
  height: 18px;
  margin: 0;
  padding: 0;
  cursor: pointer;
  opacity: 0.96;
  filter: var(--control-icon-filter);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.grid-2 > * {
  min-width: 0;
}

#view-manage-users .grid-2 {
  grid-template-columns: 1fr;
}

#view-manage-users .grid-2 > * {
  min-width: 0;
  overflow: hidden;
}

#view-manage-users #user-birthdate {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  -webkit-appearance: none;
  appearance: none;
  line-height: 1.2;
}

#view-manage-users #user-birthdate::-webkit-date-and-time-value,
#view-manage-users #user-birthdate::-webkit-datetime-edit,
#view-manage-users #user-birthdate::-webkit-datetime-edit-fields-wrapper {
  min-width: 0;
  overflow: hidden;
  max-width: 100%;
  display: block;
}

@media (max-width: 370px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.btn {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-weight: 700;
  padding: 10px 12px;
}

.btn-primary {
  border-color: var(--primary-strong);
  background: linear-gradient(180deg, var(--primary), var(--primary-strong));
  color: #fff;
}

.btn-danger {
  border-color: #da4d58;
  background: linear-gradient(180deg, #f35f6e, #da4d58);
  color: #fff;
}

.btn-danger-secondary {
  border-color: #e6a3ab;
  background: rgba(243, 95, 110, 0.16);
  color: #b43445;
}

.hint {
  color: var(--muted);
  font-size: 0.85rem;
}

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

.user-tile {
  border: 1px solid var(--border);
  background: var(--tile-bg);
  color: var(--text);
  padding: 10px;
  border-radius: 14px;
  min-height: 84px;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 10px;
  align-items: center;
  text-align: left;
}

.user-tile img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  object-fit: cover;
}

.user-tile-name {
  font-weight: 800;
  line-height: 1.2;
}

.user-tile-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.user-tile.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(47, 159, 255, 0.2);
  background: rgba(47, 159, 255, 0.09);
}

@media (max-width: 370px) {
  .user-tiles {
    grid-template-columns: 1fr;
  }
}

.start-selection-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.start-selection-item {
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 8px;
}

.start-selection-item p:last-child {
  margin-top: 3px;
  font-weight: 700;
}

/* Keep long mixed level labels readable on the start card without growing the layout too much. */
#start-info-level {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  overflow-wrap: anywhere;
  line-height: 1.2;
}

.learn-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 8px;
}

.learn-stats > div {
  background: rgba(79, 166, 255, 0.09);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px;
}

.progress-wrap {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: rgba(56, 124, 182, 0.2);
  overflow: hidden;
}

.race-panel {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--tile-bg);
  padding: 10px;
  display: grid;
  gap: 8px;
}

.race-track-legend {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.race-track-list {
  display: block;
}

.race-track-stack-shell {
  display: grid;
  gap: 8px;
}

.race-track-stack-lane {
  position: relative;
  min-height: 80px;
  overflow: visible;
}

.race-track-stack-lane::before {
  content: '';
  position: absolute;
  left: 8px;
  right: 8px;
  top: 29px;
  height: 4px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: linear-gradient(90deg, rgba(58, 131, 198, 0.24), rgba(58, 131, 198, 0.08));
  z-index: 1;
}

.race-track-token {
  --same-offset-x: 0px;
  position: absolute;
  top: 29px;
  left: 0%;
  transform: translate(calc(-50% + var(--same-offset-x)), -50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16);
  transition: left 0.28s ease, transform 0.22s ease;
}

.race-track-token img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.race-track-token.is-active {
  transform: translate(calc(-50% + var(--same-offset-x)), -50%) scale(1.5);
  border-color: var(--accent);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.24), 0 0 0 2px rgba(88, 160, 255, 0.28);
}

.race-track-token.is-finished {
  border-color: rgba(245, 191, 74, 0.9);
}

.race-track-token.is-just-finished {
  animation: race-finish-bounce 0.92s ease-out;
}

.race-track-token-rank {
  position: absolute;
  right: -6px;
  bottom: -5px;
  min-width: 16px;
  height: 16px;
  padding: 0 3px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 0.65rem;
  font-weight: 800;
  display: grid;
  place-items: center;
}

.race-finish-inline {
  position: absolute;
  left: 50%;
  top: 56px;
  transform: translateX(-50%);
  min-height: 20px;
  line-height: 1.15;
  font-size: 0.84rem;
  font-weight: 800;
  color: var(--text);
  text-align: center;
  max-width: calc(100% - 8px);
  padding: 0 4px;
  transition: left 0.24s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
}

.race-finish-inline.has-target {
  left: var(--target-left-px, 50%);
}

.race-dice-btn {
  position: fixed;
  inset: 0;
  /* Keep the wheel overlay above header/actions on all pages. */
  z-index: 1200;
  border: 0;
  margin: 0;
  padding: 14px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 17, 34, 0.52);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.race-dice-dialog {
  width: min(86vw, 360px);
  padding: 14px 12px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--card);
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 10px;
  box-shadow: 0 20px 42px rgba(0, 0, 0, 0.35);
}

.race-dice-btn.is-rolling .race-dice-dialog {
  animation: race-dice-roll-shake 0.68s ease-in-out;
}

.race-dice-title {
  font-weight: 800;
  color: var(--text);
}

.race-wheel-scene {
  --wheel-size: min(62vw, 244px);
  width: var(--wheel-size);
  height: var(--wheel-size);
  display: grid;
  place-items: center;
  position: relative;
}

.race-wheel-pointer {
  position: absolute;
  top: -7px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 11px solid transparent;
  border-right: 11px solid transparent;
  border-top: 18px solid #f7c24a;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.35));
  z-index: 4;
}

.race-wheel {
  width: var(--wheel-size);
  height: var(--wheel-size);
  position: relative;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.72));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.26), 0 10px 24px rgba(0, 0, 0, 0.24);
  transition: transform 0.68s cubic-bezier(0.2, 0.9, 0.22, 1);
  overflow: hidden;
}

.race-wheel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: repeating-conic-gradient(
    from -30deg,
    rgba(79, 166, 255, 0.16) 0deg,
    rgba(79, 166, 255, 0.16) 60deg,
    rgba(79, 166, 255, 0.05) 60deg,
    rgba(79, 166, 255, 0.05) 120deg
  );
}

.race-wheel::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #f7c24a;
  border: 2px solid rgba(0, 0, 0, 0.22);
  transform: translate(-50%, -50%);
  z-index: 3;
}

.race-wheel-slot {
  --wheel-slot-size: clamp(38px, 10vw, 50px);
  --slot-x: 50;
  --slot-y: 50;
  position: absolute;
  width: var(--wheel-slot-size);
  height: var(--wheel-slot-size);
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--field-bg);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  left: calc(var(--slot-x) * 1%);
  top: calc(var(--slot-y) * 1%);
  transform: translate(-50%, -50%);
  z-index: 2;
}

.race-wheel-slot.is-finished {
  opacity: 0.6;
}

.race-wheel-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.race-dice-finished-badge {
  position: absolute;
  right: 4px;
  bottom: 4px;
  font-size: 0.8rem;
  line-height: 1;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.38));
}

.race-dice-result {
  min-height: 1.1rem;
  font-size: 0.88rem;
  font-weight: 800;
  text-align: center;
  color: var(--text);
}

.race-podium {
  width: 100%;
  margin-top: 0;
  display: grid;
  justify-items: center;
  gap: 10px;
}

.race-podium-title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--text);
  text-align: center;
}

.race-podium-line {
  width: min(92%, 560px);
  margin: 0;
}

.race-podium-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  align-items: end;
  width: min(100%, 560px);
}

.race-podium-slot {
  border: 1px solid var(--border);
  border-radius: 12px 12px 8px 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.7));
  display: grid;
  justify-items: center;
  align-content: end;
  padding: 8px 6px 9px;
  gap: 4px;
  animation: finish-podium-bob 2.3s ease-in-out infinite;
  animation-delay: var(--podium-delay, 0s);
}

.race-podium-slot[data-place='1'] {
  min-height: 130px;
}

.race-podium-slot[data-place='2'] {
  min-height: 112px;
}

.race-podium-slot[data-place='3'] {
  min-height: 98px;
}

.race-podium-slot img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  object-fit: cover;
  background: var(--field-bg);
}

.race-podium-name {
  margin: 0;
  font-weight: 800;
  font-size: 0.76rem;
  color: var(--text);
  text-align: center;
  line-height: 1.18;
}

.race-podium-place {
  margin: 0;
  font-weight: 800;
  font-size: 0.78rem;
  color: var(--muted);
}

.race-podium-action {
  margin: 0;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--muted);
  text-align: center;
}

#progress-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #2ec06f, #62d69b);
  transition: width 0.2s linear;
}

.question-box {
  min-height: clamp(62px, 16vh, 94px);
  flex: 1 1 auto;
  display: grid;
  align-content: center;
  border-radius: 14px;
  border: 2px dashed var(--border);
  padding: 10px;
}

.race-active-buddy {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 8px;
  align-items: center;
  padding: 6px 8px;
  margin-bottom: 6px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--field-bg);
}

.race-active-buddy img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  object-fit: cover;
  background: var(--card);
}

.race-active-buddy p {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text);
}

.question-box.session-finished {
  min-height: clamp(250px, 44vh, 360px);
  border-style: solid;
  border-width: 1px;
  background: transparent;
  justify-items: center;
  align-content: center;
  overflow: visible;
}

.question-box.session-finished .session-illustration,
.question-box.session-finished .race-podium {
  animation: finish-entrance 0.42s ease-out both;
}

.question-box.session-finished .buddy-speech {
  animation: finish-speech-pulse 2.1s ease-in-out infinite;
}

.question-box.session-finished #question-prompt {
  margin-top: 0;
}

.session-illustration {
  width: 100%;
  display: grid;
  justify-items: center;
  gap: 12px;
  text-align: center;
  position: relative;
  isolation: isolate;
}

.session-illustration-avatar-wrap {
  width: var(--buddy-hero-size);
  height: var(--buddy-hero-size);
  padding: 0;
  border-radius: var(--buddy-avatar-corner);
  border: 0;
  background: transparent;
  box-shadow: none;
  position: relative;
  animation: avatar-bob 2.8s ease-in-out infinite;
}

.session-illustration-avatar-wrap img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--buddy-avatar-corner);
  border: 2px solid var(--border);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.session-illustration-badge {
  position: absolute;
  z-index: 2;
  right: -12px;
  bottom: -12px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--card);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 14px rgba(0, 0, 0, 0.24);
  font-size: 1.35rem;
}

.session-illustration-avatar-wrap::before,
.session-illustration-avatar-wrap::after {
  position: absolute;
  z-index: 0;
  pointer-events: none;
  font-size: 1.45rem;
  animation: action-spark 1.6s ease-in-out infinite;
}

.session-illustration-avatar-wrap::before {
  content: attr(data-action);
  left: -10px;
  top: -12px;
}

.session-illustration-avatar-wrap::after {
  content: '💨';
  right: -12px;
  top: 14px;
  animation-delay: 0.45s;
}

.session-illustration-action {
  margin: 0;
  max-width: 34ch;
  font-weight: 800;
  color: var(--text);
  font-size: clamp(1.02rem, 3.8vw, 1.2rem);
}

.session-illustration-line {
  margin: 0;
  max-width: 36ch;
  font-weight: 700;
  color: var(--text);
  font-size: clamp(0.92rem, 3.4vw, 1.05rem);
}

.buddy-speech--center {
  text-align: center;
  max-width: min(92%, 38ch);
}

.buddy-speech--center::after {
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
}

.session-illustration-avatar-wrap[data-tier='retry'] {
  animation-duration: 3.2s;
}

@keyframes avatar-bob {
  0% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-4px) rotate(-1.2deg);
  }
  100% {
    transform: translateY(0) rotate(0deg);
  }
}

@keyframes start-buddy-excited {
  0% {
    transform: translateY(0) rotate(0deg) scale(1);
  }
  30% {
    transform: translateY(-3px) rotate(-1deg) scale(1.03);
  }
  60% {
    transform: translateY(-1px) rotate(1deg) scale(1.01);
  }
  100% {
    transform: translateY(0) rotate(0deg) scale(1);
  }
}

@keyframes race-avatar-idle {
  0% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-2px) scale(1.03);
  }
  100% {
    transform: translateY(0) scale(1);
  }
}

@keyframes race-avatar-excited {
  0% {
    transform: translateY(0) rotate(0deg) scale(1);
  }
  25% {
    transform: translateY(-3px) rotate(-2deg) scale(1.04);
  }
  50% {
    transform: translateY(-1px) rotate(2deg) scale(1.02);
  }
  75% {
    transform: translateY(-3px) rotate(-1deg) scale(1.04);
  }
  100% {
    transform: translateY(0) rotate(0deg) scale(1);
  }
}

@keyframes finish-entrance {
  0% {
    opacity: 0;
    transform: translateY(6px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes finish-speech-pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.015);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes finish-podium-bob {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
  100% {
    transform: translateY(0);
  }
}

@keyframes race-dice-roll-shake {
  0% {
    transform: translateX(0) rotate(0deg);
  }
  18% {
    transform: translateX(-2px) rotate(-2deg);
  }
  36% {
    transform: translateX(2px) rotate(2deg);
  }
  54% {
    transform: translateX(-1px) rotate(-1deg);
  }
  72% {
    transform: translateX(1px) rotate(1deg);
  }
  100% {
    transform: translateX(0) rotate(0deg);
  }
}

@keyframes race-finish-bounce {
  0% {
    transform: translate(calc(-50% + var(--same-offset-x)), -50%) scale(1);
  }
  30% {
    transform: translate(calc(-50% + var(--same-offset-x)), -62%) scale(1.12);
  }
  60% {
    transform: translate(calc(-50% + var(--same-offset-x)), -46%) scale(0.98);
  }
  100% {
    transform: translate(calc(-50% + var(--same-offset-x)), -50%) scale(1);
  }
}

@keyframes action-spark {
  0% {
    transform: translateY(0) scale(0.94);
    opacity: 0.85;
  }
  50% {
    transform: translateY(-5px) scale(1.1);
    opacity: 1;
  }
  100% {
    transform: translateY(0) scale(0.94);
    opacity: 0.85;
  }
}

@keyframes scene-float {
  0% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-4px) rotate(-3deg);
  }
  100% {
    transform: translateY(0) rotate(0deg);
  }
}

#question-prompt {
  font-size: clamp(1.6rem, 8.4vw, 2.6rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0.01em;
  margin-top: 4px;
}

.question-mark-accent {
  color: var(--danger);
  font-size: 1.08em;
  font-weight: 900;
}

.answer {
  font-size: 1.5rem;
  text-align: center;
  font-weight: 800;
}

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

.numpad button {
  border: 1px solid var(--border);
  background: var(--numpad-bg);
  color: var(--text);
  font-size: 1.16rem;
  font-weight: 800;
}

.numpad-submit {
  grid-column: 1 / -1;
  background: var(--success) !important;
  color: #fff !important;
  border-color: #25a95f !important;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.94rem;
  color: var(--text);
}

.switch input {
  width: 20px;
  height: 20px;
}

.progress-output {
  display: grid;
  gap: 8px;
}

.settings-intertitle {
  font-size: 1.42rem;
  font-weight: 800;
  margin: 14px 4px 2px;
}

.settings-new-user-btn {
  margin-top: 0;
}

.progress-section {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03);
}

.progress-section-summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  gap: 4px;
  padding: 10px;
  border-radius: 12px;
}

.progress-section-summary::-webkit-details-marker {
  display: none;
}

.progress-section-title {
  font-weight: 800;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.progress-section-title::before {
  content: '▸';
  color: var(--primary);
  font-size: 0.95rem;
  transform: translateY(-1px);
}

.progress-section[open] .progress-section-title::before {
  content: '▾';
}

.progress-section-kpi {
  font-size: 0.8rem;
  color: var(--muted);
}

.progress-item {
  border-top: 1px dashed var(--border);
  padding: 8px 10px 10px;
  display: grid;
  gap: 6px;
}

.progress-level-grid {
  display: grid;
  gap: 8px;
  margin-top: 4px;
}

.progress-level {
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 8px;
  display: grid;
  gap: 6px;
  background: rgba(47, 159, 255, 0.06);
}

.progress-level-title {
  font-size: 0.95rem;
}

.progress-item ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 2px;
}

.progress-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--muted);
}

.sparkline {
  display: block;
  width: 100%;
  height: 124px;
}

.chart-axis {
  stroke: var(--muted);
  stroke-width: 1;
}

.chart-grid {
  stroke: var(--border);
  stroke-width: 1;
  stroke-dasharray: 3 3;
}

.chart-axis-label,
.chart-tick {
  fill: var(--muted);
  font-size: 10px;
}

.chart-line-errors {
  stroke: #2f9fff;
  stroke-width: 2.5;
}

.chart-line-answer {
  stroke: #ff8a3d;
  stroke-width: 2.5;
}

.chart-legend-text {
  fill: var(--muted);
  font-size: 10px;
}

#confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  width: 100vw;
  height: 100dvh;
  z-index: 120;
}

.hidden {
  display: none;
}