/* 8NA7 — original "Числовой маршрут" trainer. */

main.view-number-route > :not(.site-header):not(#number-route-screen) {
  display: none !important;
}

main.view-number-route {
  min-height: 100vh;
  background: #f8fbfc;
}

#number-route-screen {
  --nr-ink: #101720;
  --nr-muted: #647184;
  --nr-line: #dfe7ec;
  --nr-teal: #16b9ae;
  --nr-blue: #367cf5;
  --nr-violet: #7d3ff2;
  --nr-coral: #f15d4a;
  box-sizing: border-box;
  width: 100%;
  color: var(--nr-ink);
  font-family: inherit;
}

body.number-route-play-mode .site-header,
body.number-route-play-mode .install-app-banner {
  display: none !important;
}

.trainer-tile-number-route .number-route-card-art {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 48%, rgba(255,255,255,.2) 0 23%, transparent 24%),
    linear-gradient(135deg, #071a45 0%, #3158e9 48%, #7a35e9 100%);
}

.trainer-tile-number-route .number-route-card-art::before,
.trainer-tile-number-route .number-route-card-art::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 50%;
}

.trainer-tile-number-route .number-route-card-art::before {
  inset: 18% 12%;
  transform: rotate(-11deg);
}

.trainer-tile-number-route .number-route-card-art::after {
  inset: 8% 26%;
  transform: rotate(52deg);
}

.number-route-card-core {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  color: #fff;
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 900;
  letter-spacing: .08em;
  transform: translate(-50%, -50%);
}

.number-route-orbit {
  position: absolute;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 50%;
  background: rgba(255,255,255,.16);
  color: #fff;
  box-shadow: 0 8px 20px rgba(3,9,35,.24);
  backdrop-filter: blur(5px);
}

.number-route-orbit b { font-size: .72rem; }
.number-route-orbit.orbit-a { left: 15%; top: 18%; }
.number-route-orbit.orbit-b { right: 12%; top: 25%; }
.number-route-orbit.orbit-c { left: 28%; bottom: 12%; }

#number-route-screen.number-route-setup {
  min-height: calc(100dvh - 76px);
  background:
    radial-gradient(circle at 38% 14%, rgba(84, 90, 255, .09), transparent 32%),
    linear-gradient(180deg, #fff 0%, #f7faff 100%);
}

#number-route-screen .switch-screen {
  box-sizing: border-box;
  display: grid;
  width: min(1060px, calc(100% - 44px));
  max-width: 1060px;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 410px);
  grid-template-rows: repeat(4, auto) auto;
  gap: 14px 18px;
  align-items: start;
  margin: 0 auto;
  padding: 18px 0 34px;
}

#number-route-screen .switch-hero {
  grid-column: 1;
  grid-row: 1 / span 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(130px, 184px);
  align-items: center;
  gap: 14px;
  min-height: 0;
}

#number-route-screen .switch-hero-copy {
  display: grid;
  gap: 9px;
}

#number-route-screen .switch-kicker {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 8px;
  min-height: 34px;
  border: 1px solid rgba(54,124,245,.18);
  border-radius: 999px;
  background: rgba(255,255,255,.78);
  color: #3158e9;
  padding: 0 13px;
  font-size: .78rem;
  font-weight: 850;
  box-shadow: 0 8px 26px rgba(39,71,153,.08);
}

.number-route-kicker-icon {
  position: relative;
  width: 20px;
  height: 20px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.number-route-kicker-icon::before,
.number-route-kicker-icon::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: currentColor;
}

.number-route-kicker-icon::before { width: 4px; height: 4px; left: 2px; top: 6px; }
.number-route-kicker-icon::after { width: 4px; height: 4px; right: 2px; top: 6px; }

#number-route-screen .switch-hero h1 {
  margin: 0;
  max-width: 430px;
  color: #101720;
  font-size: clamp(2.5rem, 4vw, 3rem);
  line-height: .96;
  letter-spacing: -.035em;
}

#number-route-screen .switch-rainbow {
  display: block;
  width: min(300px, 100%);
  height: 5px;
  border-radius: 999px;
  background: linear-gradient(90deg, #15bbb1, #3b7cf3, #7c3ef1, #f2ad3a);
}

#number-route-screen .switch-hero p {
  max-width: 420px;
  margin: 0;
  color: #506078;
  font-size: .95rem;
  line-height: 1.42;
}

#number-route-screen .switch-brain {
  justify-self: end;
  width: min(180px, 100%);
  max-height: 190px;
}

.number-route-hero-art {
  position: relative;
  aspect-ratio: 1;
  border-radius: 36%;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,.9) 0 13%, transparent 14%),
    radial-gradient(circle at 48% 46%, rgba(65,84,239,.28), transparent 50%),
    linear-gradient(145deg, rgba(255,255,255,.92), rgba(228,230,255,.92));
  box-shadow: 0 24px 60px rgba(69,68,189,.18), inset 0 0 0 1px rgba(92,94,214,.1);
}

.number-route-hero-art::before,
.number-route-hero-art::after {
  content: "";
  position: absolute;
  border: 2px solid rgba(66,88,235,.2);
  border-radius: 50%;
}

.number-route-hero-art::before { inset: 20%; transform: rotate(24deg) scaleX(1.38); }
.number-route-hero-art::after { inset: 15% 28%; transform: rotate(-42deg) scaleX(1.65); }
.number-route-hero-art > strong {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  color: #2432a8;
  font-size: .82rem;
  letter-spacing: .06em;
  transform: translate(-50%, -50%);
}

.number-route-brain-card {
  position: relative;
  display: grid;
  place-items: center;
  overflow: visible;
  background: transparent;
}

.number-route-brain {
  display: block;
  width: 230px;
  max-width: none;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 28px rgba(20, 39, 76, .24));
  transform: translateX(4px);
}

.hero-orbit {
  position: absolute;
  z-index: 4;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #fff;
  color: #fff;
  box-shadow: 0 10px 24px rgba(33,43,130,.22);
}

.hero-orbit b { font-size: .78rem; }
.hero-orbit-a { left: 10%; top: 34%; background: #19b8ae; }
.hero-orbit-b { right: 8%; top: 19%; background: #3b7cf3; }
.hero-orbit-c { right: 21%; bottom: 8%; background: #7c3ef1; }

#number-route-screen .switch-card,
#number-route-screen .switch-about {
  width: 100%;
  min-height: 0;
  margin: 0;
  border: 1px solid rgba(216,226,235,.9);
  border-radius: 8px;
  background: rgba(255,255,255,.94);
  box-shadow: 0 14px 42px rgba(16,19,24,.08);
}

#number-route-screen .switch-card {
  grid-column: 2;
  display: grid;
  gap: 7px;
  min-height: 112px;
  padding: 22px 24px;
}

#number-route-screen .switch-card:nth-of-type(2) { grid-row: 1; }
#number-route-screen .switch-card:nth-of-type(3) { grid-row: 2; }
#number-route-screen .switch-card:nth-of-type(4) { grid-row: 3; }
#number-route-screen .switch-card:nth-of-type(5) { grid-row: 4; }

#number-route-screen .switch-card h2,
#number-route-screen .switch-about h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  color: #111827;
  font-size: .86rem;
  line-height: 1.15;
}

#number-route-screen .switch-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

#number-route-screen .switch-options button {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 44px;
  border: 1px solid #dfe6ec;
  border-radius: 8px;
  background: #fff;
  color: #111827;
  padding: 6px 8px;
  font: inherit;
  cursor: pointer;
  transition: border-color .16s ease, background .16s ease, transform .16s ease, box-shadow .16s ease;
}

#number-route-screen .switch-options button:hover {
  border-color: rgba(22,185,174,.52);
  transform: translateY(-1px);
}

#number-route-screen .switch-options button.selected {
  border-color: #17b6ab;
  background: linear-gradient(145deg, rgba(232,254,251,.9), rgba(244,250,255,.95));
  color: #0d9188;
  box-shadow: 0 8px 20px rgba(22,185,174,.11);
}

#number-route-screen .switch-options-time button span {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  font-size: .96rem;
  white-space: nowrap;
}

#number-route-screen .switch-options-time button span strong { font-size: 1.28rem; }
#number-route-screen .switch-options-mode button strong { font-size: .9rem; white-space: nowrap; }
#number-route-screen .number-route-tempo-options button { align-content: center; gap: 1px; }
#number-route-screen .number-route-tempo-options button small { color: #8190a3; font-size: .59rem; }
#number-route-screen .number-route-tempo-options button.selected small { color: #4daea7; }

#number-route-screen .switch-options button em {
  position: absolute;
  right: -3px;
  top: -6px;
  display: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #18b7ad;
  box-shadow: 0 5px 12px rgba(22,185,174,.22);
}

#number-route-screen .switch-options button.selected em { display: block; }
#number-route-screen .switch-options button em::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 4px;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

#number-route-screen .switch-start {
  grid-column: 2;
  grid-row: 5;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  place-items: center;
  width: 100%;
  min-height: 50px;
  margin: 0;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(100deg, #10c5b7 0%, #347ef7 56%, #7c35ee 100%);
  color: #fff;
  padding: 0 16px;
  font: inherit;
  font-size: 1.08rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 16px 34px rgba(55,93,221,.2);
}

.number-route-start-icon {
  position: relative;
  justify-self: end;
  width: 24px;
  height: 24px;
  margin-right: 10px;
}

.number-route-start-icon::before {
  content: "";
  position: absolute;
  inset: 3px 5px;
  border-radius: 65% 20% 65% 20%;
  background: #fff;
  transform: rotate(45deg);
}

#number-route-screen .switch-start b {
  justify-self: end;
  width: 13px;
  height: 13px;
  margin-right: 18px;
  border: solid #fff;
  border-width: 4px 4px 0 0;
  transform: rotate(45deg);
}

#number-route-screen .switch-about {
  grid-column: 1;
  grid-row: 3 / span 2;
  display: grid;
  gap: 8px;
  padding: 14px 16px;
}

#number-route-screen .switch-about h2 span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 2px solid #6ba4dd;
  border-radius: 50%;
  color: #4d8dce;
  font-family: serif;
  font-size: 1rem;
}

#number-route-screen .switch-about p {
  margin: 0;
  color: #516078;
  font-size: .84rem;
  line-height: 1.4;
}

#number-route-screen .switch-about strong { color: #172033; }

/* Active session mirrors the Code Attention service header. */
#number-route-screen.number-route-countdown {
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 100dvh;
  background: #f8fbfc;
  text-align: center;
}

#number-route-screen.number-route-countdown > span {
  color: #647184;
  font-size: 1rem;
  font-weight: 750;
}

#number-route-screen.number-route-countdown > strong {
  color: #151d2a;
  font-size: clamp(5rem, 15vw, 8rem);
  line-height: 1;
}

#number-route-screen.number-route-countdown > p {
  color: #647184;
  font-weight: 700;
}

#number-route-screen.number-route-play {
  display: grid;
  width: min(390px, 100vw);
  max-width: 390px;
  min-height: 100dvh;
  align-content: start;
  gap: 7px;
  margin: 0 auto;
  padding: 8px 12px 14px;
}

#number-route-screen .play-session,
#number-route-screen .play-round {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding-bottom: 8px;
}

#number-route-screen .play-session > div,
#number-route-screen .play-round > div {
  display: grid;
  gap: 1px;
}

#number-route-screen .play-session span,
#number-route-screen .play-round span {
  color: #657183;
  font-size: .62rem;
  font-weight: 850;
  letter-spacing: .035em;
  text-transform: uppercase;
}

#number-route-screen .play-session strong,
#number-route-screen .play-round strong {
  color: #111827;
  font-size: .95rem;
  line-height: 1.1;
}

#number-route-screen .play-session > i,
#number-route-screen .play-round > i {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: #e2eaee;
}

#number-route-screen .play-session > i::after,
#number-route-screen .play-round > i::after {
  content: "";
  display: block;
  width: var(--session-progress, var(--round-progress, 100%));
  height: 100%;
  border-radius: inherit;
  background: #17b7ad;
  transition: width .1s linear;
}

#number-route-screen .play-round > i::after {
  width: var(--round-progress, 100%);
  background: linear-gradient(90deg, #17b7ad, #3a7cf4);
}

#number-route-screen .play-history {
  display: grid;
  grid-template-columns: repeat(15, 1fr);
  gap: 4px;
}

#number-route-screen .play-history span {
  height: 8px;
  border-radius: 999px;
  background: #dfe7eb;
}

#number-route-screen .play-history span.hit { background: #18b8ae; }
#number-route-screen .play-history span.miss { background: #f26550; }

.number-route-live-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 2px 0 1px;
}

.number-route-live-stats span {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  color: #718095;
  font-size: .64rem;
  font-weight: 750;
}

.number-route-live-stats strong { color: #182235; font-size: .76rem; }

.number-route-stage {
  display: grid;
  align-content: start;
  min-height: 0;
  border: 1px solid #dfe7ec;
  border-radius: 12px;
  background: #fff;
  padding: 11px;
  box-shadow: 0 12px 30px rgba(20,38,70,.07);
}

.number-route-stage > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.number-route-stage > header span {
  color: #667489;
  font-size: .67rem;
  font-weight: 800;
  text-transform: uppercase;
}

.number-route-stage > header strong {
  overflow: hidden;
  color: #29364a;
  font-size: .7rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.number-route-stage > p {
  margin: 8px 0 6px;
  color: #152034;
  font-size: .92rem;
  font-weight: 900;
  text-align: center;
}

.number-route-watch {
  min-height: 300px;
  background:
    radial-gradient(circle at 50% 52%, rgba(61,96,245,.09), transparent 40%),
    #fff;
}

.number-route-digit {
  position: relative;
  display: grid;
  place-items: center;
  width: 176px;
  height: 176px;
  margin: 10px auto 12px;
  border-radius: 50%;
  background: linear-gradient(145deg, #192d68, #3f62ea 55%, #793ee8);
  color: #fff;
  box-shadow: 0 24px 50px rgba(49,71,186,.27), inset 0 0 0 10px rgba(255,255,255,.08);
}

.number-route-digit::before,
.number-route-digit::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(66,92,231,.18);
  border-radius: 50%;
}

.number-route-digit::before { inset: -13px; }
.number-route-digit::after { inset: -27px; }
.number-route-digit span { font-size: 5.4rem; font-weight: 950; line-height: 1; }

.number-route-segments {
  display: flex;
  justify-content: center;
  gap: 5px;
  min-height: 9px;
}

.number-route-segments i {
  width: 18px;
  height: 6px;
  border-radius: 999px;
  background: #dfe6eb;
}

.number-route-segments i.active { background: #3b6ff0; }

.number-route-input {
  gap: 4px;
}

.number-route-answer-slots {
  display: flex;
  justify-content: center;
  gap: 5px;
  min-height: 44px;
  margin: 2px 0 7px;
}

.number-route-answer-slots span {
  display: grid;
  place-items: center;
  width: min(34px, calc((100% - 45px) / 10));
  height: 40px;
  border: 1px dashed #bac7d3;
  border-radius: 8px;
  background: #f8fafc;
  color: #172033;
  font-size: 1.05rem;
  font-weight: 900;
}

.number-route-answer-slots span.filled {
  border-style: solid;
  border-color: #4b78f1;
  background: #eef3ff;
  color: #3158df;
}

.number-route-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.number-route-keypad button {
  min-height: 47px;
  border: 1px solid #dce4ea;
  border-radius: 9px;
  background: #fff;
  color: #172033;
  font: inherit;
  font-size: 1.16rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 5px 13px rgba(22,38,68,.04);
}

.number-route-keypad button:active { transform: translateY(1px); }
.number-route-keypad button.utility { background: #f2f5f8; color: #657184; }

.number-route-feedback {
  min-height: 260px;
  place-content: center;
  text-align: center;
}

.number-route-feedback.right { border-color: rgba(23,183,173,.5); background: #f0fcfa; }
.number-route-feedback.wrong { border-color: rgba(242,101,80,.42); background: #fff6f3; }
.number-route-feedback-sequence { display: flex; justify-content: center; gap: 7px; margin: 14px 0; }
.number-route-feedback-sequence b {
  display: grid;
  place-items: center;
  width: 38px;
  height: 44px;
  border-radius: 8px;
  background: #fff;
  color: #172033;
  font-size: 1.12rem;
  box-shadow: 0 5px 16px rgba(20,38,70,.09);
}
.number-route-feedback > small { color: #677589; }

body.number-route-paused #number-route-screen.number-route-play::before {
  content: "Пауза";
  position: fixed;
  inset: 0;
  z-index: 110;
  display: grid;
  place-items: center;
  background: rgba(248,251,252,.87);
  color: #182235;
  font-size: 2rem;
  font-weight: 950;
  backdrop-filter: blur(6px);
}

body.number-route-paused .number-route-actions { z-index: 120; }

/* Results keep the same grid, controls and visual hierarchy as Code Attention. */
#number-route-screen.number-route-results {
  width: min(760px, calc(100% - 32px));
  min-height: calc(100dvh - 76px);
  align-content: center;
  margin: 0 auto;
  padding: 28px 0 40px;
}

#number-route-screen.number-route-results h1 {
  margin: 0 0 18px;
  color: #111827;
  font-size: clamp(2rem, 5vw, 3rem);
}

#number-route-screen .results-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

#number-route-screen .results-grid .metric {
  display: grid;
  gap: 7px;
  min-height: 112px;
  align-content: center;
  border: 1px solid #dfe7ec;
  border-radius: 12px;
  background: #fff;
  padding: 18px;
  box-shadow: 0 12px 30px rgba(20,38,70,.06);
}

#number-route-screen .results-grid .metric span { color: #667489; font-size: .78rem; font-weight: 800; }
#number-route-screen .results-grid .metric strong { color: #111827; font-size: 1.28rem; }
#number-route-screen .results-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
#number-route-screen .results-actions button {
  min-height: 52px;
  border-radius: 10px;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}
#number-route-screen .results-actions .setup-start { border: 0; background: linear-gradient(100deg,#14bdb2,#377ff5,#773cf0); color: #fff; }
#number-route-screen .results-actions .secondary { border: 1px solid #dfe7ec; background: #fff; color: #263348; }
#number-route-screen .result-motivation { margin: 14px 0 0; color: #5e6d81; line-height: 1.5; }
#number-route-screen .result-life-motivation {
  margin: 8px 0 0;
  padding: 11px 13px;
  border-left: 3px solid #6d5ce7;
  border-radius: 0 10px 10px 0;
  background: rgba(109,92,231,.07);
  color: #4f5e73;
  font-size: .92rem;
  line-height: 1.5;
}

@media (min-width: 721px) and (max-width: 900px) {
  #number-route-screen .switch-screen {
    width: min(calc(100% - 28px), 820px);
    grid-template-columns: minmax(0, 1fr) minmax(300px, 340px);
    gap: 12px;
  }
  #number-route-screen .switch-hero { grid-template-columns: minmax(0, 1fr) 118px; gap: 12px; }
  #number-route-screen .switch-hero h1 { font-size: 2.35rem; }
  #number-route-screen .switch-hero p { font-size: .86rem; line-height: 1.34; }
  #number-route-screen .switch-brain { max-height: 132px; }
  #number-route-screen .number-route-brain { width: 156px; }
  #number-route-screen .switch-card { min-height: 106px; padding: 20px 22px; }
}

@media (max-width: 720px) {
  main.view-number-route { background: #f8fbfc; }
  #number-route-screen.number-route-setup { min-height: calc(100dvh - 64px); }
  #number-route-screen .switch-screen {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 14px 12px 28px;
  }
  #number-route-screen .switch-hero,
  #number-route-screen .switch-card,
  #number-route-screen .switch-start,
  #number-route-screen .switch-about {
    grid-column: 1;
    grid-row: auto;
  }
  #number-route-screen .switch-hero { order: 1; }
  #number-route-screen .switch-card,
  #number-route-screen .switch-card:nth-of-type(2),
  #number-route-screen .switch-card:nth-of-type(3),
  #number-route-screen .switch-card:nth-of-type(4),
  #number-route-screen .switch-card:nth-of-type(5) { grid-row: auto; order: 2; }
  #number-route-screen .switch-start { order: 3; }
  #number-route-screen .switch-about { order: 4; }
  #number-route-screen .switch-hero {
    grid-template-columns: minmax(0, 1fr) 108px;
    gap: 8px;
    padding: 4px 2px 6px;
    overflow: visible;
  }
  #number-route-screen .switch-hero-copy { min-width: 0; }
  #number-route-screen .switch-kicker { min-height: 30px; padding: 0 10px; font-size: .68rem; }
  #number-route-screen .switch-hero h1 {
    max-width: 250px;
    white-space: normal;
    overflow-wrap: normal;
    font-size: clamp(1.9rem, 9vw, 2.35rem);
  }
  #number-route-screen .switch-hero p { font-size: .8rem; line-height: 1.35; }
  #number-route-screen .switch-brain { width: 108px; max-height: 108px; }
  #number-route-screen .number-route-brain { width: 112px; transform: none; }
  .hero-orbit { width: 23px; height: 23px; }
  .hero-orbit b { font-size: .62rem; }
  #number-route-screen .switch-card { min-height: 92px; gap: 8px; padding: 14px; }
  #number-route-screen .switch-card h2 { font-size: .8rem; }
  #number-route-screen .switch-options button { min-height: 44px; padding: 5px; }
  #number-route-screen .switch-options-time button span { font-size: .76rem; }
  #number-route-screen .switch-options-time button span strong { font-size: 1.05rem; }
  #number-route-screen .switch-options-mode button strong { font-size: .73rem; }
  #number-route-screen .number-route-tempo-options button small { font-size: .52rem; }
  #number-route-screen .switch-start { min-height: 54px; font-size: 1rem; }
  #number-route-screen .switch-about { padding: 13px 14px; }
  #number-route-screen .switch-about p { font-size: .76rem; }

  #number-route-screen.number-route-play {
    width: 100%;
    max-width: none;
    gap: 6px;
    padding: 8px 10px 12px;
  }
  #number-route-screen .play-session,
  #number-route-screen .play-round { padding-bottom: 7px; }
  #number-route-screen .number-route-stage { padding: 9px; }
  .number-route-watch { min-height: 274px; }
  .number-route-digit { width: 154px; height: 154px; margin-top: 8px; }
  .number-route-digit span { font-size: 4.8rem; }
  .number-route-keypad button { min-height: 46px; }
  .number-route-answer-slots span { height: 36px; }

  #number-route-screen.number-route-results {
    width: 100%;
    min-height: calc(100dvh - 64px);
    padding: 22px 12px 30px;
  }
  #number-route-screen .results-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  #number-route-screen .results-grid .metric { min-height: 88px; padding: 13px; }
  #number-route-screen .results-grid .metric strong { font-size: 1.05rem; }
}

@media (max-width: 380px) {
  #number-route-screen .switch-screen { padding-left: 9px; padding-right: 9px; }
  #number-route-screen .switch-hero { grid-template-columns: 1fr 90px; }
  #number-route-screen .switch-brain { width: 90px; max-height: 90px; }
  #number-route-screen .number-route-brain { width: 94px; }
  #number-route-screen .switch-card { padding: 12px 10px; }
  #number-route-screen .switch-options { gap: 5px; }
  #number-route-screen .switch-options-mode button strong { font-size: .67rem; }
  #number-route-screen .number-route-tempo-options button small { display: none; }
  .number-route-watch { min-height: 252px; }
  .number-route-digit { width: 140px; height: 140px; }
}

/* v3: service UI aligned exactly with Color Impulse. */
#number-route-screen.number-route-play.color-advanced-play .play-session.color-play-session,
#number-route-screen.number-route-play.color-advanced-play .play-round.color-play-round {
  position: relative !important;
  display: grid !important;
  gap: 7px !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  padding: 0 !important;
  box-shadow: none !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-session.color-play-session {
  grid-template-columns: 1fr 1fr !important;
  gap: 8px !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-session > div {
  display: grid !important;
  gap: 2px !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-session span,
#number-route-screen.number-route-play.color-advanced-play .play-round span {
  color: var(--muted) !important;
  font-size: .72rem !important;
  font-weight: 900 !important;
  text-transform: uppercase !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-session strong,
#number-route-screen.number-route-play.color-advanced-play .play-round strong {
  color: var(--ink) !important;
  font-size: 1.1rem !important;
  font-weight: 950 !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-round div {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 6px !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-round strong {
  font-size: .94rem !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-session > i,
#number-route-screen.number-route-play.color-advanced-play .play-round > i {
  position: static !important;
  grid-column: 1 / -1 !important;
  display: block !important;
  width: 100% !important;
  height: 9px !important;
  overflow: hidden !important;
  border-radius: 999px !important;
  background: linear-gradient(90deg, var(--teal) var(--session-progress), #e4ebf0 0) !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-round > i {
  background: linear-gradient(90deg, var(--teal) var(--round-progress), #e4ebf0 0) !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-session > i::after,
#number-route-screen.number-route-play.color-advanced-play .play-round > i::after {
  display: none !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-history.color-play-history {
  display: grid !important;
  grid-template-columns: repeat(15, 1fr) !important;
  gap: 5px !important;
  height: auto !important;
  padding: 0 0 2px !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-history.color-play-history span {
  height: 9px !important;
}

#number-route-screen.number-route-results.color-results.trainer-results {
  width: min(720px, calc(100% - 24px)) !important;
  height: calc(100dvh - 76px) !important;
  min-height: 0 !important;
  margin: 0 auto !important;
  overflow-x: hidden !important;
  overflow-y: auto !important;
  align-content: start !important;
  gap: 12px !important;
  padding: 18px 0 14px !important;
}

#number-route-screen.number-route-results.color-results .results-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: 9px !important;
}

#number-route-screen.number-route-results.color-results .results-grid .metric {
  min-height: 0 !important;
  align-content: initial !important;
  gap: initial !important;
  padding: 13px !important;
}

#number-route-screen.number-route-results.color-results .results-grid .metric strong {
  font-size: clamp(1.15rem, 4.8vw, 1.65rem) !important;
  word-break: break-word;
}

#number-route-screen.number-route-results.color-results .results-actions {
  gap: 9px !important;
  margin-top: 0 !important;
}

#number-route-screen.number-route-results.color-results .results-actions button {
  min-height: 50px !important;
}

@media (max-width: 720px) {
  #number-route-screen.number-route-results.color-results.trainer-results {
    height: calc(100dvh - 64px) !important;
    padding: 12px 0 10px !important;
    gap: 9px !important;
  }
  #number-route-screen.number-route-results.color-results h1 { font-size: 2rem !important; }
  #number-route-screen.number-route-results.color-results .results-grid { gap: 8px !important; }
  #number-route-screen.number-route-results.color-results .results-grid .metric { padding: 10px !important; }
  #number-route-screen.number-route-results.color-results .results-grid .metric span { font-size: .66em !important; }
  #number-route-screen.number-route-results.color-results .results-grid .metric strong { margin-top: 5px; font-size: 1.18rem !important; }
  #number-route-screen.number-route-results.color-results .results-actions button { min-height: 48px !important; }
  #number-route-screen .result-life-motivation { margin-top: 5px; padding: 9px 11px; font-size: .82rem; line-height: 1.4; }
}

/* v5: accessible, professional Number Route gameplay. */
#number-route-screen .number-route-brain-card {
  overflow: hidden;
}

#number-route-screen .number-route-brain {
  width: min(174px, 100%);
  max-width: 100%;
  max-height: 178px;
  transform: none;
}

#number-route-screen .switch-hero p,
#number-route-screen .switch-about p {
  font-size: .96rem;
}

#number-route-screen .switch-card h2 {
  font-size: .92rem;
}

#number-route-screen .switch-options-mode button strong {
  font-size: .98rem;
}

#number-route-screen .number-route-tempo-options button small {
  font-size: .68rem;
}

#number-route-screen.number-route-play.color-advanced-play .play-session span,
#number-route-screen.number-route-play.color-advanced-play .play-round span {
  font-size: .8rem !important;
  letter-spacing: .025em !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-session strong {
  font-size: 1.22rem !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-round strong {
  font-size: 1.04rem !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-round div,
#number-route-screen.number-route-play.color-advanced-play .play-round span,
#number-route-screen.number-route-play.color-advanced-play .play-round strong {
  min-width: 0;
  white-space: nowrap !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-session > i,
#number-route-screen.number-route-play.color-advanced-play .play-round > i {
  height: 10px !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-history.color-play-history span {
  height: 10px !important;
}

#number-route-screen .number-route-live-stats {
  gap: 7px;
  padding: 3px 0 2px;
}

#number-route-screen .number-route-live-stats span {
  min-height: 28px;
  border: 1px solid #e3e9ef;
  border-radius: 9px;
  background: #fff;
  color: #5f6d81;
  font-size: .76rem;
  font-weight: 800;
}

#number-route-screen .number-route-live-stats strong {
  color: #152033;
  font-size: .96rem;
}

#number-route-screen .number-route-stage {
  position: relative;
  overflow: hidden;
  align-self: start;
  align-content: start;
  gap: 0;
  border: 1px solid #dbe4ed;
  border-radius: 18px;
  background:
    radial-gradient(circle at 100% 0%, rgba(55, 111, 240, .08), transparent 38%),
    linear-gradient(180deg, #fff 0%, #fbfdff 100%);
  padding: 14px;
  box-shadow: 0 15px 36px rgba(25, 44, 77, .09);
}

#number-route-screen .number-route-stage > header {
  position: relative;
  z-index: 2;
  gap: 10px;
}

#number-route-screen .number-route-stage > header span,
#number-route-screen .number-route-stage > header strong {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border-radius: 999px;
  padding: 0 11px;
  font-size: .78rem;
  font-weight: 900;
  line-height: 1;
}

#number-route-screen .number-route-stage > header span {
  background: #eef4ff;
  color: #345fce;
  letter-spacing: .025em;
}

#number-route-screen .number-route-stage > header strong {
  max-width: 58%;
  background: #f1f5f7;
  color: #45556b;
}

#number-route-screen .number-route-phase-copy {
  display: grid;
  justify-items: center;
  gap: 3px;
  margin: 10px 0 8px;
  text-align: center;
}

#number-route-screen .number-route-phase-copy > span {
  color: #3d70df;
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

#number-route-screen .number-route-phase-copy h2 {
  margin: 0;
  color: #111a2a;
  font-size: 1.28rem;
  font-weight: 950;
  line-height: 1.16;
  letter-spacing: -.015em;
}

#number-route-screen .number-route-phase-copy p {
  margin: 1px 0 0;
  color: #637287;
  font-size: .92rem;
  font-weight: 750;
  line-height: 1.3;
}

#number-route-screen .number-route-watch {
  min-height: 330px;
}

#number-route-screen .number-route-digit {
  position: relative;
  display: grid;
  width: min(240px, calc(100% - 38px));
  height: 188px;
  grid-template-rows: 1fr auto;
  place-items: center;
  align-content: center;
  margin: 2px auto 12px;
  overflow: hidden;
  border: 1px solid rgba(122, 167, 255, .45);
  border-radius: 27px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.1), transparent 42%),
    linear-gradient(150deg, #0f1e38 0%, #1f3f76 54%, #285bb3 100%);
  color: #fff;
  box-shadow:
    0 22px 42px rgba(24, 57, 116, .25),
    inset 0 0 0 7px rgba(255,255,255,.045);
}

#number-route-screen .number-route-digit::before,
#number-route-screen .number-route-digit::after {
  content: "";
  position: absolute;
  border: 0;
  border-radius: 50%;
  pointer-events: none;
}

#number-route-screen .number-route-digit::before {
  inset: auto auto -82px -62px;
  width: 178px;
  height: 178px;
  background: rgba(56, 122, 244, .24);
}

#number-route-screen .number-route-digit::after {
  inset: -72px -54px auto auto;
  width: 154px;
  height: 154px;
  border: 1px solid rgba(149, 190, 255, .19);
}

#number-route-screen .number-route-digit > i {
  position: absolute;
  left: 18px;
  top: 17px;
  width: 42px;
  height: 6px;
  border-radius: 999px;
  background: #5e96ff;
  box-shadow: 0 0 18px rgba(94, 150, 255, .8);
}

#number-route-screen .number-route-digit span {
  position: relative;
  z-index: 1;
  align-self: end;
  font-size: clamp(5.7rem, 24vw, 7rem);
  font-weight: 950;
  line-height: .95;
  letter-spacing: -.04em;
  text-shadow: 0 8px 22px rgba(0, 0, 0, .24);
}

#number-route-screen .number-route-digit small {
  position: relative;
  z-index: 1;
  align-self: start;
  margin-top: 8px;
  color: #dce9ff;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .025em;
}

#number-route-screen .number-route-segments {
  gap: 7px;
  min-height: 10px;
}

#number-route-screen .number-route-segments i {
  width: 25px;
  height: 8px;
  background: #dce5ec;
}

#number-route-screen .number-route-segments i.active {
  background: linear-gradient(90deg, #17b7ad, #3677ed);
  box-shadow: 0 3px 8px rgba(46, 111, 222, .22);
}

#number-route-screen .number-route-input {
  gap: 1px;
}

#number-route-screen .number-route-input .number-route-phase-copy {
  margin: 8px 0 7px;
}

#number-route-screen .number-route-answer-slots {
  gap: 5px;
  min-height: 48px;
  margin: 2px 0 10px;
}

#number-route-screen .number-route-answer-slots span {
  width: min(39px, calc((100% - 45px) / 10));
  height: 46px;
  border-width: 2px;
  border-radius: 10px;
  background: #f7f9fc;
  color: #162238;
  font-size: 1.28rem;
}

#number-route-screen .number-route-keypad {
  gap: 8px;
}

#number-route-screen .number-route-keypad button {
  min-height: 57px;
  border-color: #d8e1e9;
  border-radius: 12px;
  background: linear-gradient(180deg, #fff, #f8fafc);
  font-size: 1.42rem;
  box-shadow: 0 7px 16px rgba(25, 44, 77, .07);
}

#number-route-screen .number-route-keypad button:hover,
#number-route-screen .number-route-keypad button:focus-visible {
  border-color: #4f82ed;
  background: #edf4ff;
  color: #245bcd;
  outline: 3px solid rgba(70, 126, 238, .18);
  outline-offset: 1px;
}

#number-route-screen .number-route-keypad button.utility {
  background: #edf2f6;
  color: #536277;
  font-size: 1.18rem;
}

#number-route-screen .number-route-feedback {
  min-height: 285px;
  align-content: center;
}

#number-route-screen .number-route-feedback .number-route-phase-copy h2 {
  font-size: 1.35rem;
}

#number-route-screen .number-route-feedback-sequence {
  flex-wrap: wrap;
  gap: 7px;
  margin: 12px 0;
}

#number-route-screen .number-route-feedback-sequence b {
  width: 43px;
  height: 49px;
  border-radius: 10px;
  font-size: 1.32rem;
}

#number-route-screen .number-route-feedback > small {
  font-size: .9rem;
  font-weight: 750;
}

/* Pause behaves like Color Impulse: controls stay active, play area freezes and dims. */
body.number-route-paused #number-route-screen.number-route-play::before {
  display: none !important;
  content: none !important;
}

body.number-route-paused #number-route-screen .number-route-stage,
body.number-route-paused #number-route-screen .number-route-live-stats {
  filter: saturate(.9) !important;
  opacity: .88 !important;
}

body.number-route-paused #number-route-screen .number-route-stage {
  pointer-events: none;
}

body.number-route-paused #number-route-screen .number-route-digit span {
  opacity: .62;
}

@media (min-width: 721px) and (max-width: 900px) {
  #number-route-screen .switch-brain {
    width: 126px;
    max-height: 132px;
  }

  #number-route-screen .number-route-brain {
    width: 126px;
    max-height: 126px;
  }
}

/* v8: original vintage-film countdown for Number Route only. */
#number-route-screen.number-route-countdown {
  box-sizing: border-box;
  display: grid;
  width: 100%;
  min-height: 100dvh;
  grid-template-rows: minmax(0, 1fr) auto;
  place-items: center;
  align-content: center;
  gap: 14px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 38%, rgba(255, 255, 255, .72), transparent 46%),
    linear-gradient(180deg, #f2eee6 0%, #e6dfd4 100%);
  padding: clamp(14px, 2.5vw, 28px);
}

#number-route-screen .number-route-film-countdown {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  width: min(1040px, calc(100vw - 48px));
  max-height: calc(100dvh - 108px);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(242, 232, 211, .24);
  border-radius: 24px;
  background: #aa9e8d;
  box-shadow:
    0 24px 68px rgba(70, 58, 47, .22),
    inset 0 0 54px rgba(18, 15, 11, .2);
}

#number-route-screen .number-route-film-plate {
  position: absolute;
  inset: -3px;
  z-index: -1;
  width: calc(100% + 6px);
  height: calc(100% + 6px);
  object-fit: cover;
  filter: contrast(1.03) saturate(.72) sepia(.12);
  animation: number-route-film-jitter .9s steps(2, end) infinite;
}

#number-route-screen .number-route-countdown-copy {
  display: grid;
  place-items: center;
  gap: clamp(4px, 1vw, 10px);
  text-align: center;
}

#number-route-screen .number-route-countdown-copy > span {
  min-height: 30px;
  border: 1px solid rgba(35, 31, 25, .18);
  border-radius: 999px;
  background: rgba(245, 236, 220, .54);
  color: #2c2924;
  padding: 6px 14px;
  font-size: clamp(.74rem, 1.4vw, .94rem);
  font-weight: 900;
  letter-spacing: .12em;
  line-height: 1.1;
  text-transform: uppercase;
  backdrop-filter: blur(3px);
}

#number-route-screen .number-route-countdown-copy > strong {
  display: block;
  min-width: 1.05em;
  color: #171612;
  font-family: "Arial Narrow", "Roboto Condensed", Arial, sans-serif;
  font-size: clamp(9rem, 27vw, 19rem);
  font-weight: 700;
  line-height: .78;
  letter-spacing: -.07em;
  text-align: center;
  text-shadow: 0 3px 0 rgba(255, 255, 255, .16), 0 10px 24px rgba(26, 22, 17, .12);
}

#number-route-screen .number-route-countdown-copy > strong.is-changing {
  animation: number-route-countdown-change .34s cubic-bezier(.2, .78, .24, 1);
}

#number-route-screen .number-route-countdown-copy > small {
  color: #292620;
  font-size: clamp(.72rem, 1.3vw, .94rem);
  font-weight: 900;
  letter-spacing: .2em;
  line-height: 1.2;
  text-transform: uppercase;
}

#number-route-screen .number-route-countdown-copy > em {
  min-height: 29px;
  border: 1px solid rgba(37, 33, 28, .16);
  border-radius: 999px;
  background: rgba(244, 237, 225, .62);
  color: #2d2924;
  padding: 6px 13px;
  font-size: clamp(.68rem, 1.1vw, .82rem);
  font-style: normal;
  font-weight: 850;
  letter-spacing: .055em;
  line-height: 1.15;
  text-transform: lowercase;
  backdrop-filter: blur(3px);
}

#number-route-screen.number-route-countdown > .number-route-countdown-meta {
  margin: 0;
  color: #ddd3c2;
  font-size: clamp(.76rem, 1.4vw, .94rem);
  font-weight: 750;
  letter-spacing: .045em;
  line-height: 1.3;
  text-align: center;
}

@keyframes number-route-film-jitter {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1.005); }
  34% { transform: translate3d(.6px, -.4px, 0) scale(1.006); }
  67% { transform: translate3d(-.5px, .5px, 0) scale(1.005); }
}

@keyframes number-route-countdown-change {
  0% { opacity: .25; transform: scale(.88); }
  62% { opacity: 1; transform: scale(1.035); }
  100% { opacity: 1; transform: scale(1); }
}

@media (max-width: 720px) {
  #number-route-screen.number-route-countdown {
    gap: 12px;
    padding: 10px;
  }

  #number-route-screen .number-route-film-countdown {
    width: min(100%, 520px);
    height: min(72dvh, 610px);
    max-height: none;
    aspect-ratio: 4 / 5;
    border-radius: 20px;
  }

  #number-route-screen .number-route-film-plate {
    object-position: 50% 50%;
  }

  #number-route-screen .number-route-countdown-copy > strong {
    font-size: clamp(8.5rem, 45vw, 13rem);
  }

  #number-route-screen .number-route-countdown-copy > small {
    max-width: 88%;
    font-size: .74rem;
  }
}

@media (max-height: 700px) {
  #number-route-screen .number-route-film-countdown {
    height: min(72dvh, 480px);
  }

  #number-route-screen .number-route-countdown-copy > strong {
    font-size: clamp(7.2rem, 34vh, 11rem);
  }
}

/* v10: compact cinematic composition centered as one visual group. */
#number-route-screen.number-route-countdown {
  grid-template-rows: 1fr;
  gap: 0;
  background:
    radial-gradient(circle at 50% 50%, #ffffff 0%, #f5f7fa 46%, #e9eef4 100%);
}

#number-route-screen .number-route-film-countdown {
  width: min(760px, calc(100vw - 40px));
  min-height: 0;
  place-items: center;
}

#number-route-screen .number-route-countdown-copy {
  position: relative;
  width: min(620px, 100%);
  min-height: 0;
  grid-template-rows: repeat(5, auto);
  align-content: center;
  gap: 6px;
  border-top: 1px solid rgba(72, 96, 126, .16);
  border-bottom: 1px solid rgba(72, 96, 126, .16);
  padding: clamp(26px, 4vw, 38px) 0;
}

#number-route-screen .number-route-countdown-copy > .number-route-countdown-kicker {
  font-size: .78rem;
  letter-spacing: .2em;
}

#number-route-screen .number-route-countdown-copy > h1 {
  margin-top: 3px;
  font-size: clamp(2.35rem, 5vw, 3.65rem);
}

#number-route-screen .number-route-countdown-copy > p {
  margin-top: 8px;
  color: #65758a;
  font-size: clamp(1rem, 1.7vw, 1.2rem);
}

#number-route-screen .number-route-countdown-copy > strong {
  align-self: center;
  margin: clamp(9px, 1.8vh, 16px) 0 clamp(13px, 2vh, 20px);
  font-size: clamp(10rem, 24vw, 15rem);
  line-height: .72;
  text-shadow: 0 18px 40px rgba(33, 70, 114, .16);
}

#number-route-screen .number-route-countdown-selection {
  gap: 8px;
}

#number-route-screen .number-route-countdown-selection > b {
  min-height: 62px;
  border-color: rgba(86, 108, 135, .18);
  border-radius: 13px;
  background: rgba(255, 255, 255, .82);
  padding: 9px 11px;
  box-shadow: 0 8px 24px rgba(32, 53, 78, .055);
  backdrop-filter: blur(7px);
}

@media (max-width: 720px) {
  #number-route-screen .number-route-film-countdown {
    width: 100%;
    min-height: 0;
  }

  #number-route-screen .number-route-countdown-copy {
    width: 100%;
    min-height: 0;
    gap: 5px;
    padding: 24px 0;
  }

  #number-route-screen .number-route-countdown-copy > .number-route-countdown-kicker {
    font-size: .7rem;
  }

  #number-route-screen .number-route-countdown-copy > h1 {
    font-size: clamp(2rem, 9.5vw, 2.65rem);
  }

  #number-route-screen .number-route-countdown-copy > p {
    font-size: 1rem;
  }

  #number-route-screen .number-route-countdown-copy > strong {
    margin: 12px 0 16px;
    font-size: clamp(9rem, 45vw, 12rem);
  }

  #number-route-screen .number-route-countdown-selection > b {
    min-height: 60px;
    padding: 8px 5px;
  }
}

@media (max-height: 700px) {
  #number-route-screen .number-route-countdown-copy {
    min-height: 0;
    padding: 16px 0;
  }

  #number-route-screen .number-route-countdown-copy > strong {
    margin: 7px 0 10px;
    font-size: clamp(6.8rem, 30vh, 9rem);
  }

  #number-route-screen .number-route-countdown-selection > b {
    min-height: 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  #number-route-screen .number-route-film-plate,
  #number-route-screen .number-route-countdown-copy > strong.is-changing {
    animation: none !important;
  }
}

/* v12: exact countdown composition of Code Attention, without the route ring. */
#number-route-screen.number-route-countdown {
  box-sizing: border-box;
  display: grid !important;
  min-height: 100dvh;
  place-items: center;
  padding: 4px;
  background: #e8edf2;
}

#number-route-screen .number-route-countdown-panel {
  box-sizing: border-box;
  width: min(940px, calc(100vw - 8px));
  height: min(990px, calc(100dvh - 8px));
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto;
  align-content: center;
  justify-items: center;
  gap: clamp(22px, 4vh, 44px);
  overflow: hidden;
  padding: clamp(24px, 5vh, 54px) clamp(18px, 5vw, 56px);
  border: 1px solid #edf1f5;
  border-radius: 30px;
  background: #fff;
  box-shadow: 0 18px 54px rgba(43, 63, 88, .08);
  text-align: center;
}

#number-route-screen .number-route-countdown-copy {
  display: grid;
  justify-items: center;
  gap: clamp(7px, 1.2vh, 13px);
  width: max-content;
  max-width: 100%;
}

#number-route-screen .number-route-countdown-copy > span {
  display: grid;
  justify-self: start;
  gap: 5px;
  color: #111827;
  font-weight: 950;
}

#number-route-screen .number-route-countdown-copy > span::after {
  content: "";
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

#number-route-screen .number-route-countdown-copy > h1 {
  margin: 0;
  color: #102642;
  font-size: clamp(3.2rem, 7vw, 5.75rem);
  font-weight: 900;
  line-height: .96;
  letter-spacing: -.055em;
  white-space: nowrap;
}

#number-route-screen .number-route-countdown-copy > img {
  display: block;
  width: clamp(62px, 8vw, 86px);
  height: auto;
  margin-top: 3px;
}

#number-route-screen .number-route-countdown-copy > p {
  margin: 0;
  color: #667b94;
  font-size: clamp(1.15rem, 2.4vw, 1.65rem);
  font-weight: 850;
}

#number-route-screen .number-route-countdown-panel > strong {
  display: block;
  min-width: 1em;
  margin: 0;
  color: #102642;
  font-family: Inter, Arial, sans-serif;
  font-size: clamp(10rem, 24vw, 15rem);
  font-weight: 900;
  line-height: .82;
  letter-spacing: -.07em;
  text-align: center;
  text-shadow: 0 16px 34px rgba(33, 70, 114, .12);
}

#number-route-screen .number-route-countdown-panel > strong.is-changing {
  animation: number-route-attention-countdown-pop .28s cubic-bezier(.2, .78, .24, 1);
}

@keyframes number-route-attention-countdown-pop {
  0% { opacity: .2; transform: scale(.84); }
  70% { opacity: 1; transform: scale(1.04); }
  100% { opacity: 1; transform: scale(1); }
}

@media (max-width: 720px) {
  #number-route-screen.number-route-countdown { padding: 2px; }

  #number-route-screen .number-route-countdown-panel {
    width: calc(100vw - 4px);
    height: calc(100dvh - 4px);
    gap: clamp(20px, 4vh, 34px);
    padding: 24px 14px;
    border-radius: 25px;
  }

  #number-route-screen .number-route-countdown-copy { gap: 6px; }
  #number-route-screen .number-route-countdown-copy > span { font-size: .82rem; }

  #number-route-screen .number-route-countdown-copy > h1 {
    font-size: clamp(2.5rem, 11vw, 3.15rem);
    line-height: 1;
  }

  #number-route-screen .number-route-countdown-copy > img { width: 66px; }
  #number-route-screen .number-route-countdown-copy > p { font-size: 1.12rem; }

  #number-route-screen .number-route-countdown-panel > strong {
    font-size: clamp(9rem, 47vw, 11.5rem);
  }
}

@media (max-height: 700px) {
  #number-route-screen .number-route-countdown-panel {
    gap: 14px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  #number-route-screen .number-route-countdown-copy > h1 { font-size: clamp(2.35rem, 7vh, 3.2rem); }
  #number-route-screen .number-route-countdown-panel > strong { font-size: clamp(7rem, 28vh, 9rem); }
}

@media (prefers-reduced-motion: reduce) {
  #number-route-screen .number-route-countdown-panel > strong.is-changing { animation: none !important; }
}

/* v9: clean countdown — no image, circle or decorative background. */
#number-route-screen.number-route-countdown {
  display: grid;
  min-height: 100dvh;
  place-items: center;
  overflow: hidden;
  background: #f4f7fa;
  padding: clamp(16px, 3vw, 34px);
}

#number-route-screen .number-route-film-countdown {
  display: grid;
  width: min(820px, calc(100vw - 40px));
  height: auto;
  min-height: min(700px, calc(100dvh - 68px));
  max-height: none;
  aspect-ratio: auto;
  place-items: center;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

#number-route-screen .number-route-countdown-copy {
  display: grid;
  width: min(650px, 100%);
  min-height: min(650px, calc(100dvh - 92px));
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
  place-items: center;
  align-content: center;
  gap: 7px;
  padding: clamp(18px, 4vw, 42px) 0;
  text-align: center;
}

#number-route-screen .number-route-countdown-copy > .number-route-countdown-kicker {
  min-height: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #55708f;
  padding: 0;
  font-size: clamp(.82rem, 1.4vw, 1rem);
  font-weight: 900;
  letter-spacing: .16em;
  line-height: 1.2;
  text-transform: uppercase;
  backdrop-filter: none;
}

#number-route-screen .number-route-countdown-copy > h1 {
  margin: 2px 0 0;
  color: #172236;
  font-size: clamp(2.25rem, 5.2vw, 4.2rem);
  font-weight: 950;
  line-height: .98;
  letter-spacing: -.045em;
}

#number-route-screen .number-route-countdown-copy > p {
  margin: 8px 0 0;
  color: #5f6f84;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 850;
  letter-spacing: .015em;
  line-height: 1.25;
}

#number-route-screen .number-route-countdown-copy > strong {
  align-self: center;
  min-width: 1em;
  color: #183252;
  font-family: Inter, Arial, sans-serif;
  font-size: clamp(11rem, 30vw, 20rem);
  font-weight: 900;
  line-height: .82;
  letter-spacing: -.075em;
  text-shadow: 0 16px 34px rgba(33, 70, 114, .14);
}

#number-route-screen .number-route-countdown-selection {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

#number-route-screen .number-route-countdown-selection > b {
  display: grid;
  min-width: 0;
  min-height: 70px;
  align-content: center;
  gap: 4px;
  border: 1px solid #dbe4ed;
  border-radius: 16px;
  background: #fff;
  padding: 11px 12px;
  box-shadow: 0 10px 28px rgba(32, 53, 78, .07);
}

#number-route-screen .number-route-countdown-selection > b > span {
  color: #718096;
  font-size: .7rem;
  font-weight: 850;
  letter-spacing: .08em;
  line-height: 1.15;
  text-transform: uppercase;
}

#number-route-screen .number-route-countdown-selection > b > strong {
  overflow: hidden;
  color: #1d2b40;
  font-size: clamp(.95rem, 1.8vw, 1.18rem);
  font-weight: 900;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 720px) {
  #number-route-screen.number-route-countdown {
    padding: 12px;
  }

  #number-route-screen .number-route-film-countdown {
    width: 100%;
    height: auto;
    min-height: calc(100dvh - 24px);
    aspect-ratio: auto;
    border-radius: 0;
  }

  #number-route-screen .number-route-countdown-copy {
    width: 100%;
    min-height: calc(100dvh - 24px);
    gap: 5px;
    padding: 24px 0 18px;
  }

  #number-route-screen .number-route-countdown-copy > h1 {
    font-size: clamp(2rem, 10vw, 2.8rem);
  }

  #number-route-screen .number-route-countdown-copy > p {
    margin-top: 6px;
    font-size: 1.05rem;
  }

  #number-route-screen .number-route-countdown-copy > strong {
    font-size: clamp(10rem, 52vw, 14rem);
  }

  #number-route-screen .number-route-countdown-selection {
    gap: 6px;
  }

  #number-route-screen .number-route-countdown-selection > b {
    min-height: 66px;
    border-radius: 13px;
    padding: 9px 6px;
  }

  #number-route-screen .number-route-countdown-selection > b > span {
    font-size: .61rem;
    letter-spacing: .045em;
  }

  #number-route-screen .number-route-countdown-selection > b > strong {
    font-size: .86rem;
  }
}

@media (max-height: 700px) {
  #number-route-screen .number-route-countdown-copy {
    min-height: calc(100dvh - 24px);
    padding-top: 12px;
    padding-bottom: 10px;
  }

  #number-route-screen .number-route-countdown-copy > strong {
    font-size: clamp(7rem, 34vh, 10rem);
  }

  #number-route-screen .number-route-countdown-selection > b {
    min-height: 58px;
  }
}

/* v7: targeted web fixes for the answer timer and digit display only. */
#number-route-screen.number-route-play.color-advanced-play .play-round.color-play-round {
  grid-template-columns: minmax(0, 1fr) !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-round.color-play-round > div {
  display: grid !important;
  width: 100% !important;
  grid-template-columns: max-content max-content !important;
  align-items: center !important;
  justify-content: start !important;
  gap: 10px !important;
}

#number-route-screen.number-route-play.color-advanced-play .play-round.color-play-round span,
#number-route-screen.number-route-play.color-advanced-play .play-round.color-play-round strong {
  position: static !important;
  width: auto !important;
  margin: 0 !important;
  line-height: 1.2 !important;
}

#number-route-screen .number-route-watch .number-route-digit {
  width: min(272px, calc(100% - 32px));
  height: 190px;
  grid-template-rows: 1fr auto;
  margin: 2px auto 13px;
  overflow: hidden;
  border: 1px solid #cedbea;
  border-radius: 26px;
  background:
    radial-gradient(circle at 50% 42%, rgba(74, 124, 225, .10), transparent 44%),
    linear-gradient(160deg, #ffffff 0%, #f7faff 58%, #edf3fb 100%);
  color: #14243c;
  box-shadow:
    0 18px 38px rgba(31, 56, 91, .13),
    inset 0 1px 0 rgba(255, 255, 255, .95);
}

#number-route-screen .number-route-watch .number-route-digit::before {
  inset: 10px;
  width: auto;
  height: auto;
  border: 1px solid rgba(91, 126, 178, .14);
  border-radius: 19px;
  background: transparent;
}

#number-route-screen .number-route-watch .number-route-digit::after {
  inset: auto 22px 47px;
  width: auto;
  height: 1px;
  border: 0;
  border-radius: 0;
  background: linear-gradient(90deg, transparent, rgba(76, 116, 176, .18), transparent);
}

#number-route-screen .number-route-watch .number-route-digit > i {
  left: 50%;
  top: 17px;
  width: 54px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, #18b7ad, #4c82ec);
  box-shadow: 0 5px 13px rgba(57, 119, 221, .22);
  transform: translateX(-50%);
}

#number-route-screen .number-route-watch .number-route-digit span {
  align-self: end;
  color: #13233c;
  font-size: clamp(6rem, 25vw, 7.4rem);
  line-height: .86;
  text-shadow: 0 8px 24px rgba(54, 91, 148, .14);
}

#number-route-screen .number-route-watch .number-route-digit small {
  align-self: start;
  min-height: 28px;
  margin: 13px 0 14px;
  border: 1px solid #dbe5f2;
  border-radius: 999px;
  background: rgba(255, 255, 255, .82);
  color: #536985;
  padding: 5px 12px;
  font-size: .76rem;
  font-weight: 850;
  line-height: 1.2;
  letter-spacing: .015em;
}

@media (max-width: 720px) {
  #number-route-screen .number-route-watch .number-route-digit {
    width: min(250px, calc(100% - 26px));
    height: 176px;
  }

  #number-route-screen .number-route-watch .number-route-digit span {
    font-size: clamp(5.6rem, 27vw, 6.8rem);
  }
}

@media (max-width: 380px), (max-height: 700px) {
  #number-route-screen .number-route-watch .number-route-digit {
    width: min(222px, calc(100% - 22px));
    height: 154px;
    margin-bottom: 9px;
  }

  #number-route-screen .number-route-watch .number-route-digit span {
    font-size: 5.1rem;
  }

  #number-route-screen .number-route-watch .number-route-digit small {
    min-height: 25px;
    margin: 9px 0 11px;
    padding: 4px 10px;
    font-size: .68rem;
  }

  #number-route-screen .number-route-watch .number-route-digit::after {
    bottom: 39px;
  }
}

@media (max-width: 720px) {
  #number-route-screen .switch-hero {
    grid-template-columns: minmax(0, 1fr) 116px;
  }

  #number-route-screen .switch-brain {
    width: 116px;
    max-height: 116px;
  }

  #number-route-screen .number-route-brain {
    width: 116px;
    max-height: 116px;
  }

  #number-route-screen .switch-hero p,
  #number-route-screen .switch-about p {
    font-size: .86rem;
  }

  #number-route-screen .switch-card h2 {
    font-size: .86rem;
  }

  #number-route-screen .switch-options-mode button strong {
    font-size: .82rem;
  }

  #number-route-screen .number-route-tempo-options button small {
    font-size: .58rem;
  }

  #number-route-screen.number-route-play {
    gap: 7px;
    padding: 8px 10px 11px;
  }

  #number-route-screen.number-route-play.color-advanced-play .play-session span,
  #number-route-screen.number-route-play.color-advanced-play .play-round span {
    font-size: .75rem !important;
  }

  #number-route-screen.number-route-play.color-advanced-play .play-session strong {
    font-size: 1.16rem !important;
  }

  #number-route-screen .number-route-stage {
    padding: 11px;
  }

  #number-route-screen .number-route-phase-copy h2 {
    font-size: 1.18rem;
  }

  #number-route-screen .number-route-phase-copy p {
    font-size: .86rem;
  }

  #number-route-screen .number-route-watch {
    min-height: 306px;
  }

  #number-route-screen .number-route-digit {
    width: min(230px, calc(100% - 28px));
    height: 176px;
  }

  #number-route-screen .number-route-digit span {
    font-size: clamp(5.5rem, 27vw, 6.7rem);
  }

  #number-route-screen .number-route-answer-slots span {
    height: 43px;
    font-size: 1.2rem;
  }

  #number-route-screen .number-route-keypad {
    gap: 7px;
  }

  #number-route-screen .number-route-keypad button {
    min-height: 54px;
    font-size: 1.34rem;
  }
}

@media (max-width: 380px), (max-height: 700px) {
  #number-route-screen .number-route-stage {
    padding: 9px;
  }

  #number-route-screen .number-route-stage > header span,
  #number-route-screen .number-route-stage > header strong {
    min-height: 27px;
    padding: 0 9px;
    font-size: .72rem;
  }

  #number-route-screen .number-route-phase-copy {
    margin: 6px 0;
  }

  #number-route-screen .number-route-phase-copy > span {
    font-size: .68rem;
  }

  #number-route-screen .number-route-phase-copy h2 {
    font-size: 1.08rem;
  }

  #number-route-screen .number-route-phase-copy p {
    font-size: .79rem;
  }

  #number-route-screen .number-route-watch {
    min-height: 270px;
  }

  #number-route-screen .number-route-digit {
    width: min(210px, calc(100% - 24px));
    height: 150px;
    margin-bottom: 8px;
  }

  #number-route-screen .number-route-digit span {
    font-size: 5rem;
  }

  #number-route-screen .number-route-digit small {
    margin-top: 5px;
    font-size: .7rem;
  }

  #number-route-screen .number-route-live-stats span {
    min-height: 25px;
    font-size: .68rem;
  }

  #number-route-screen .number-route-live-stats strong {
    font-size: .84rem;
  }

  #number-route-screen .number-route-answer-slots {
    min-height: 41px;
    margin-bottom: 7px;
  }

  #number-route-screen .number-route-answer-slots span {
    height: 39px;
    font-size: 1.08rem;
  }

  #number-route-screen .number-route-keypad {
    gap: 5px;
  }

  #number-route-screen .number-route-keypad button {
    min-height: 47px;
    border-radius: 10px;
    font-size: 1.22rem;
  }
}

@media (max-width: 380px) {
  #number-route-screen .switch-hero {
    grid-template-columns: minmax(0, 1fr) 104px;
  }

  #number-route-screen .switch-brain,
  #number-route-screen .number-route-brain {
    width: 104px;
    max-height: 104px;
  }
}

/* v6: mobile hero uses the transparent PNG without a clipped rectangular edge. */
#number-route-screen .number-route-brain-card {
  overflow: visible;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  filter: none !important;
}

@media (max-width: 720px) {
  #number-route-screen .switch-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 122px;
    grid-template-rows: auto auto auto auto;
    align-items: center;
    column-gap: 10px;
    row-gap: 8px;
    padding: 4px 2px 10px;
  }

  #number-route-screen .switch-hero-copy {
    display: contents;
  }

  #number-route-screen .switch-kicker {
    grid-column: 1 / -1;
    grid-row: 1;
    min-height: 28px;
    font-size: .7rem;
  }

  #number-route-screen .switch-hero h1 {
    grid-column: 1 / -1;
    grid-row: 2;
    max-width: none;
    white-space: nowrap;
    overflow: visible;
    font-size: clamp(1.72rem, 8vw, 2.05rem);
    line-height: 1;
    letter-spacing: -.035em;
  }

  #number-route-screen .switch-rainbow {
    grid-column: 1 / -1;
    grid-row: 3;
    width: 100%;
  }

  #number-route-screen .switch-hero p {
    grid-column: 1;
    grid-row: 4;
    align-self: center;
    max-width: none;
    font-size: .87rem;
    line-height: 1.43;
  }

  #number-route-screen .number-route-brain-card {
    grid-column: 2;
    grid-row: 4;
    justify-self: end;
    align-self: center;
    width: 122px;
    max-height: 126px;
  }

  #number-route-screen .number-route-brain {
    width: 122px;
    max-width: 122px;
    max-height: 126px;
    filter: drop-shadow(0 13px 17px rgba(18, 39, 78, .18));
  }
}

@media (max-width: 380px) {
  #number-route-screen .switch-hero {
    grid-template-columns: minmax(0, 1fr) 108px;
    column-gap: 8px;
  }

  #number-route-screen .switch-hero h1 {
    font-size: clamp(1.64rem, 7.8vw, 1.88rem);
  }

  #number-route-screen .switch-hero p {
    font-size: .82rem;
  }

  #number-route-screen .number-route-brain-card,
  #number-route-screen .number-route-brain {
    width: 108px;
    max-width: 108px;
    max-height: 114px;
  }
}

/* v10-final: keep the complete countdown composition centered and compact. */
#number-route-screen.number-route-countdown {
  grid-template-rows: 1fr;
  gap: 0;
  background: radial-gradient(circle at 50% 50%, #fff 0%, #f5f7fa 46%, #e9eef4 100%);
}

#number-route-screen .number-route-film-countdown {
  width: min(760px, calc(100vw - 40px));
  min-height: 0;
}

#number-route-screen .number-route-countdown-copy {
  width: min(620px, 100%);
  min-height: 0;
  grid-template-rows: repeat(5, auto);
  align-content: center;
  gap: 6px;
  border-top: 1px solid rgba(72, 96, 126, .16);
  border-bottom: 1px solid rgba(72, 96, 126, .16);
  padding: clamp(26px, 4vw, 38px) 0;
}

#number-route-screen .number-route-countdown-copy > .number-route-countdown-kicker {
  font-size: .78rem;
  letter-spacing: .2em;
}

#number-route-screen .number-route-countdown-copy > h1 {
  margin-top: 3px;
  font-size: clamp(2.35rem, 5vw, 3.65rem);
}

#number-route-screen .number-route-countdown-copy > p {
  margin-top: 8px;
  color: #65758a;
  font-size: clamp(1rem, 1.7vw, 1.2rem);
}

#number-route-screen .number-route-countdown-copy > strong {
  margin: clamp(9px, 1.8vh, 16px) 0 clamp(13px, 2vh, 20px);
  font-size: clamp(10rem, 24vw, 15rem);
  line-height: .72;
  text-shadow: 0 18px 40px rgba(33, 70, 114, .16);
}

#number-route-screen .number-route-countdown-selection { gap: 8px; }

#number-route-screen .number-route-countdown-selection > b {
  min-height: 62px;
  border-color: rgba(86, 108, 135, .18);
  border-radius: 13px;
  background: rgba(255, 255, 255, .82);
  padding: 9px 11px;
  box-shadow: 0 8px 24px rgba(32, 53, 78, .055);
  backdrop-filter: blur(7px);
}

@media (max-width: 720px) {
  #number-route-screen .number-route-film-countdown {
    width: 100%;
    min-height: 0;
  }

  #number-route-screen .number-route-countdown-copy {
    width: 100%;
    min-height: 0;
    gap: 5px;
    padding: 24px 0;
  }

  #number-route-screen .number-route-countdown-copy > .number-route-countdown-kicker { font-size: .7rem; }
  #number-route-screen .number-route-countdown-copy > h1 { font-size: clamp(2rem, 9.5vw, 2.65rem); }
  #number-route-screen .number-route-countdown-copy > p { font-size: 1rem; }

  #number-route-screen .number-route-countdown-copy > strong {
    margin: 12px 0 16px;
    font-size: clamp(9rem, 45vw, 12rem);
  }

  #number-route-screen .number-route-countdown-selection > b {
    min-height: 60px;
    padding: 8px 5px;
  }
}

@media (max-height: 700px) {
  #number-route-screen .number-route-countdown-copy {
    min-height: 0;
    padding: 16px 0;
  }

  #number-route-screen .number-route-countdown-copy > strong {
    margin: 7px 0 10px;
    font-size: clamp(6.8rem, 30vh, 9rem);
  }

  #number-route-screen .number-route-countdown-selection > b { min-height: 54px; }
}

/* v11-final: faithful countdown layout based on the supplied reference. */
#number-route-screen.number-route-countdown {
  grid-template-rows: 1fr;
  background: #e8edf2;
  padding: 4px;
}

#number-route-screen .number-route-film-countdown {
  box-sizing: border-box;
  width: min(940px, calc(100vw - 8px));
  height: min(990px, calc(100dvh - 8px));
  min-height: 0;
  overflow: hidden;
  border: 1px solid #edf1f5;
  border-radius: 30px;
  background: #fff;
  padding: clamp(22px, 3vh, 38px) clamp(22px, 4vw, 54px);
  box-shadow: 0 18px 54px rgba(43, 63, 88, .08);
}

#number-route-screen .number-route-countdown-copy {
  width: min(820px, 100%);
  min-height: 0;
  grid-template-rows: repeat(6, auto);
  align-content: center;
  gap: clamp(5px, .8vh, 10px);
  border: 0;
  padding: 0;
}

#number-route-screen .number-route-countdown-copy > .number-route-countdown-kicker {
  color: #667b94;
  font-size: clamp(.9rem, 1.6vw, 1.2rem);
  font-weight: 850;
  letter-spacing: .18em;
}

#number-route-screen .number-route-countdown-copy > h1 {
  margin: 4px 0 0;
  color: #102642;
  font-size: clamp(3rem, 6.4vw, 5.55rem);
  line-height: .94;
  letter-spacing: -.055em;
}

#number-route-screen .number-route-countdown-divider {
  display: block;
  width: clamp(62px, 8vw, 86px);
  height: auto;
  margin: 5px auto 0;
}

#number-route-screen .number-route-countdown-copy > p {
  margin: 2px 0 0;
  color: #667b94;
  font-size: clamp(1.15rem, 2.4vw, 1.65rem);
  font-weight: 850;
}

#number-route-screen .number-route-countdown-ring {
  position: relative;
  display: grid;
  place-items: center;
  width: min(410px, 45vh, 54vw);
  aspect-ratio: 1;
  margin: clamp(2px, .8vh, 8px) auto;
}

#number-route-screen .number-route-countdown-ring > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

#number-route-screen .number-route-countdown-ring > strong {
  position: relative;
  z-index: 1;
  display: block;
  min-width: 1em;
  margin: 0;
  color: #102642;
  font-family: Inter, Arial, sans-serif;
  font-size: clamp(10rem, 24vw, 15rem);
  font-weight: 900;
  line-height: .82;
  letter-spacing: -.07em;
  text-align: center;
  text-shadow: 0 16px 34px rgba(33, 70, 114, .12);
}

#number-route-screen .number-route-countdown-ring > strong.is-changing {
  animation: number-route-countdown-change .34s cubic-bezier(.2, .78, .24, 1);
}

#number-route-screen .number-route-countdown-selection {
  width: 100%;
  gap: clamp(8px, 1.6vw, 18px);
  margin-top: clamp(5px, 1vh, 12px);
}

#number-route-screen .number-route-countdown-selection > b {
  min-height: clamp(120px, 17vh, 154px);
  gap: 6px;
  border: 1px solid #eef1f4;
  border-radius: 24px;
  background: #fff;
  padding: 14px 12px;
  box-shadow: 0 13px 34px rgba(28, 51, 78, .075);
  backdrop-filter: none;
}

#number-route-screen .number-route-countdown-selection > b > img {
  display: block;
  width: clamp(50px, 7vw, 66px);
  height: clamp(50px, 7vw, 66px);
  margin: 0 auto 2px;
  border-radius: 50%;
  object-fit: cover;
}

#number-route-screen .number-route-countdown-selection > b > span {
  color: #667b94;
  font-size: clamp(.7rem, 1.2vw, .88rem);
  letter-spacing: .075em;
}

#number-route-screen .number-route-countdown-selection > b > strong {
  color: #102642;
  font-size: clamp(1rem, 2vw, 1.32rem);
}

@media (max-width: 720px) {
  #number-route-screen.number-route-countdown { padding: 2px; }

  #number-route-screen .number-route-film-countdown {
    width: calc(100vw - 4px);
    height: calc(100dvh - 4px);
    min-height: 0;
    border-radius: 25px;
    padding: clamp(16px, 3.2vh, 27px) 14px;
  }

  #number-route-screen .number-route-countdown-copy {
    width: 100%;
    min-height: 0;
    gap: 4px;
    padding: 0;
  }

  #number-route-screen .number-route-countdown-copy > .number-route-countdown-kicker {
    font-size: .82rem;
  }

  #number-route-screen .number-route-countdown-copy > h1 {
    max-width: 100%;
    font-size: clamp(1.92rem, 8.65vw, 2.35rem);
    line-height: 1;
    letter-spacing: -.06em;
    white-space: nowrap;
  }

  #number-route-screen .number-route-countdown-divider {
    width: 66px;
    margin-top: 3px;
  }

  #number-route-screen .number-route-countdown-copy > p {
    font-size: 1.12rem;
  }

  #number-route-screen .number-route-countdown-ring {
    width: min(300px, 72vw, 36vh);
    margin: 4px auto;
  }

  #number-route-screen .number-route-countdown-ring > strong {
    font-size: clamp(8.5rem, 42vw, 11rem);
  }

  #number-route-screen .number-route-countdown-selection {
    gap: 6px;
    margin-top: 5px;
  }

  #number-route-screen .number-route-countdown-selection > b {
    min-height: clamp(112px, 16vh, 136px);
    gap: 4px;
    border-radius: 18px;
    padding: 10px 5px;
  }

  #number-route-screen .number-route-countdown-selection > b > img {
    width: 50px;
    height: 50px;
  }

  #number-route-screen .number-route-countdown-selection > b > span {
    font-size: .62rem;
    letter-spacing: .045em;
  }

  #number-route-screen .number-route-countdown-selection > b > strong {
    font-size: .9rem;
  }
}

@media (max-height: 700px) {
  #number-route-screen .number-route-film-countdown { padding-top: 10px; padding-bottom: 10px; }
  #number-route-screen .number-route-countdown-copy > h1 { font-size: clamp(2rem, 7vh, 2.8rem); }
  #number-route-screen .number-route-countdown-ring { width: min(260px, 34vh); }
  #number-route-screen .number-route-countdown-ring > strong { font-size: clamp(7rem, 28vh, 9rem); }
  #number-route-screen .number-route-countdown-selection > b { min-height: 98px; }
  #number-route-screen .number-route-countdown-selection > b > img { width: 42px; height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  #number-route-screen .number-route-countdown-ring > strong.is-changing { animation: none !important; }
}

/* v12: minimal centered countdown with synchronized circular progress. */
#number-route-screen .number-route-countdown-copy {
  height: 100%;
  grid-template-rows: repeat(5, auto);
  align-content: center;
  gap: clamp(6px, 1vh, 12px);
}

#number-route-screen .number-route-countdown-ring {
  margin: clamp(10px, 1.8vh, 18px) auto 0;
}

#number-route-screen .number-route-countdown-progress {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  transform: rotate(-90deg);
}

#number-route-screen .number-route-countdown-progress circle {
  fill: none;
  stroke: #2582ef;
  stroke-width: 2.3;
  stroke-linecap: round;
  stroke-dasharray: 100;
  stroke-dashoffset: 0;
  filter: drop-shadow(0 2px 4px rgba(37, 130, 239, .22));
  transition: stroke-dashoffset .72s cubic-bezier(.4, 0, .2, 1);
}

#number-route-screen .number-route-countdown-ring > strong {
  z-index: 2;
}

#number-route-screen .number-route-countdown-ring > img {
  opacity: 0;
}

#number-route-screen .number-route-countdown-ring::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 14%;
  border: 1px solid #e1e9f2;
  border-radius: 50%;
  box-shadow: 0 0 0 10px rgba(239, 244, 249, .3), 0 12px 32px rgba(31, 67, 108, .055);
}

@media (max-width: 720px) {
  #number-route-screen .number-route-countdown-copy {
    height: 100%;
    gap: 5px;
  }

  #number-route-screen .number-route-countdown-ring {
    width: min(320px, 78vw, 40vh);
    margin-top: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  #number-route-screen .number-route-countdown-progress circle { transition: none; }
}

/* v13: final overrides keep the shared Code Attention proportions after legacy route rules. */
#number-route-screen .number-route-countdown-copy {
  height: auto;
  grid-template-rows: none;
  align-content: normal;
  gap: clamp(7px, 1.2vh, 13px);
}

#number-route-screen .number-route-countdown-copy > h1 {
  margin: 0;
  color: #102642;
  font-size: clamp(3.2rem, 7vw, 5.75rem);
  font-weight: 900;
  line-height: .96;
  letter-spacing: -.055em;
  white-space: nowrap;
}

@media (max-width: 720px) {
  #number-route-screen .number-route-countdown-copy {
    height: auto;
    grid-template-rows: none;
    gap: 6px;
  }

  #number-route-screen .number-route-countdown-copy > h1 {
    font-size: clamp(2.5rem, 11vw, 3.15rem);
    line-height: 1;
  }
}

@media (max-height: 700px) {
  #number-route-screen .number-route-countdown-copy { height: auto; }
  #number-route-screen .number-route-countdown-copy > h1 { font-size: clamp(2.35rem, 7vh, 3.2rem); }
}

/* v14: the countdown kicker is an exact copy of Code Attention. */
#number-route-screen .number-route-countdown-copy > span {
  display: grid;
  justify-self: start;
  gap: 5px;
  min-height: auto;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #111827;
  padding: 0;
  font-size: clamp(.9rem, 1.6vw, 1.2rem);
  font-weight: 950;
  letter-spacing: .18em;
  line-height: normal;
  text-transform: uppercase;
  backdrop-filter: none;
}

#number-route-screen .number-route-countdown-copy > span::after {
  content: "";
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  opacity: 1;
}

/* v15: the active number card follows the Counting Sprint problem card. */
#number-route-screen .number-route-stage.arithmetic-problem-card {
  box-sizing: border-box;
  width: 100%;
  min-height: 214px;
  border: 1px solid rgba(23,182,166,.22);
  border-radius: 8px;
  background: radial-gradient(circle at 78% 20%,rgba(246,178,61,.18),transparent 32%),linear-gradient(180deg,#fff,#f5fffd);
  box-shadow: 0 14px 42px rgba(16,19,24,.08);
  padding: 16px;
}

#number-route-screen .number-route-stage.arithmetic-problem-card > header {
  width: 100%;
}

#number-route-screen .number-route-stage.arithmetic-problem-card .number-route-phase-copy {
  margin: 0;
  gap: 6px;
}

#number-route-screen .number-route-stage.arithmetic-problem-card .number-route-phase-copy h2 {
  color: #111827;
  font-size: clamp(1.25rem, 4.8vw, 1.85rem);
  font-weight: 950;
}

#number-route-screen .number-route-stage.arithmetic-problem-card .number-route-phase-copy p {
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
  font-weight: 850;
}

#number-route-screen .number-route-watch {
  min-height: 244px;
}

#number-route-screen .number-route-watch .number-route-digit {
  width: 138px;
  height: 116px;
  margin: 0 auto 2px;
  border: 0;
  border-radius: 16px;
  background: transparent;
  color: #111827;
  box-shadow: none;
}

#number-route-screen .number-route-watch .number-route-digit::before,
#number-route-screen .number-route-watch .number-route-digit::after,
#number-route-screen .number-route-watch .number-route-digit > i,
#number-route-screen .number-route-watch .number-route-digit small {
  display: none;
}

#number-route-screen .number-route-watch .number-route-digit span {
  color: #111827;
  font-size: clamp(5rem, 20vw, 7rem);
  line-height: .9;
  text-shadow: none;
}

#number-route-screen .number-route-watch .number-route-segments {
  min-height: 7px;
}

#number-route-screen .number-route-watch .number-route-segments i {
  height: 5px;
  background: #dbe4ea;
}

#number-route-screen .number-route-watch .number-route-segments i.active {
  background: #17b6a6;
}

#number-route-screen .number-route-input {
  min-height: 244px;
}

#number-route-screen .number-route-feedback {
  min-height: 244px;
  align-content: center;
}

#number-route-screen .number-route-feedback.right {
  background: #d9fbe8;
  border-color: #12a85a;
  animation: switching-correct-flash .42s ease-out both;
}

#number-route-screen .number-route-feedback.wrong {
  background: #ffe6e1;
  border-color: #ef3f2c;
  animation: switching-wrong-flash .42s ease-out both;
}

#number-route-screen .number-route-feedback-sequence b {
  border: 1px solid rgba(17,24,39,.08);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 6px 18px rgba(16,19,24,.06);
}

@media (max-width: 720px) {
  #number-route-screen .number-route-stage.arithmetic-problem-card {
    min-height: 208px;
    padding: 14px;
  }

  #number-route-screen .number-route-watch,
  #number-route-screen .number-route-input,
  #number-route-screen .number-route-feedback {
    min-height: 226px;
  }

  #number-route-screen .number-route-watch .number-route-digit {
    width: 122px;
    height: 98px;
  }

  #number-route-screen .number-route-watch .number-route-digit span {
    font-size: 5.25rem;
  }
}

@media (max-width: 380px), (max-height: 700px) {
  #number-route-screen .number-route-watch,
  #number-route-screen .number-route-input,
  #number-route-screen .number-route-feedback {
    min-height: 204px;
  }

  #number-route-screen .number-route-watch .number-route-digit {
    width: 108px;
    height: 82px;
  }

  #number-route-screen .number-route-watch .number-route-digit span {
    font-size: 4.7rem;
  }
}

/* v16: the memorisation state uses the same compact problem-card rhythm. */
#number-route-screen .number-route-watch {
  min-height: 214px;
  align-content: center;
}

#number-route-screen .number-route-watch > header {
  display: none;
}

#number-route-screen .number-route-watch .number-route-phase-copy {
  gap: 4px;
}

#number-route-screen .number-route-watch .number-route-phase-copy h2 {
  font-size: clamp(1.15rem, 4vw, 1.55rem);
}

#number-route-screen .number-route-watch .number-route-phase-copy p {
  font-size: .82rem;
}

#number-route-screen .number-route-watch .number-route-digit {
  width: 112px;
  height: 86px;
}

#number-route-screen .number-route-watch .number-route-digit span {
  font-size: clamp(4.5rem, 16vw, 5.5rem);
}

@media (max-width: 720px) {
  #number-route-screen .number-route-watch {
    min-height: 208px;
  }

  #number-route-screen .number-route-watch .number-route-digit {
    width: 104px;
    height: 78px;
  }

  #number-route-screen .number-route-watch .number-route-digit span {
    font-size: 4.7rem;
  }
}

@media (max-width: 380px), (max-height: 700px) {
  #number-route-screen .number-route-watch {
    min-height: 198px;
  }

  #number-route-screen .number-route-watch .number-route-digit {
    width: 96px;
    height: 72px;
  }

  #number-route-screen .number-route-watch .number-route-digit span {
    font-size: 4.25rem;
  }
}

/* v17: make the two active states readable and give the input controls the full card width. */
#number-route-screen .number-route-watch .number-route-phase-copy > span {
  display: none;
}

#number-route-screen .number-route-watch .number-route-phase-copy h2 {
  font-size: clamp(1.8rem, 6vw, 2.1rem);
  line-height: 1.05;
}

#number-route-screen .number-route-watch .number-route-phase-copy p {
  font-size: 1rem;
  font-weight: 950;
  line-height: 1.2;
}

#number-route-screen .number-route-watch .number-route-digit {
  width: 120px;
  height: 92px;
}

#number-route-screen .number-route-watch .number-route-digit span {
  font-size: clamp(5.25rem, 18vw, 6rem);
}

#number-route-screen .number-route-input {
  justify-items: stretch;
}

#number-route-screen .number-route-input > header,
#number-route-screen .number-route-input .number-route-phase-copy,
#number-route-screen .number-route-input .number-route-answer-slots,
#number-route-screen .number-route-input .number-route-keypad {
  width: 100%;
}

#number-route-screen .number-route-input .number-route-phase-copy {
  margin: 8px 0 9px;
}

#number-route-screen .number-route-answer-slots {
  max-width: 560px;
  gap: 8px;
  min-height: 54px;
  margin: 2px auto 12px;
}

#number-route-screen .number-route-answer-slots span {
  flex: 1 1 0;
  width: auto;
  max-width: 72px;
  height: 52px;
  border-radius: 12px;
  font-size: 1.45rem;
}

#number-route-screen .number-route-keypad {
  max-width: 560px;
  gap: 10px;
  margin: 0 auto;
}

#number-route-screen .number-route-keypad button {
  min-height: 64px;
  border-radius: 14px;
  font-size: 1.55rem;
}

#number-route-screen .number-route-keypad button.utility {
  font-size: 1.25rem;
}

@media (min-width: 560px) {
  body.number-route-play-mode.color-play-mode:has(#number-route-screen .number-route-input) #number-route-screen.number-route-play.color-advanced-play.color-play {
    width: 560px !important;
    max-width: calc(100% - 24px) !important;
  }
}

@media (max-width: 720px) {
  #number-route-screen .number-route-watch .number-route-digit {
    width: 112px;
    height: 88px;
  }

  #number-route-screen .number-route-watch .number-route-digit span {
    font-size: 5.35rem;
  }

  #number-route-screen .number-route-keypad button {
    min-height: 60px;
  }
}

@media (max-width: 380px), (max-height: 700px) {
  #number-route-screen .number-route-answer-slots {
    gap: 6px;
    margin-bottom: 9px;
  }

  #number-route-screen .number-route-answer-slots span {
    height: 46px;
    font-size: 1.25rem;
  }

  #number-route-screen .number-route-keypad {
    gap: 7px;
  }

  #number-route-screen .number-route-keypad button {
    min-height: 54px;
    border-radius: 12px;
    font-size: 1.35rem;
  }
}

/* v18: the memorisation card is square and evenly spaced on mobile. */
@media (max-width: 720px) {
  #number-route-screen .number-route-watch {
    aspect-ratio: 1 / 1;
    height: auto;
    min-height: 0;
    align-content: space-evenly;
  }
}

/* v19: fill the square memorisation card more confidently on mobile. */
@media (max-width: 720px) {
  #number-route-screen .number-route-watch .number-route-phase-copy h2 {
    font-size: clamp(2rem, 7vw, 2.3rem);
    line-height: 1.04;
  }

  #number-route-screen .number-route-watch .number-route-phase-copy p {
    font-size: 1.08rem;
    line-height: 1.2;
  }

  #number-route-screen .number-route-watch .number-route-digit {
    width: 132px;
    height: 120px;
  }

  #number-route-screen .number-route-watch .number-route-digit span {
    font-size: clamp(6.2rem, 21vw, 7.25rem);
  }

  #number-route-screen .number-route-watch .number-route-segments {
    gap: 6px;
  }

  #number-route-screen .number-route-watch .number-route-segments i {
    width: 22px;
    height: 8px;
  }
}

/* v20: equalise input spacing and make mobile feedback square and balanced. */
@media (max-width: 720px) {
  #number-route-screen .number-route-input {
    gap: 10px;
  }

  #number-route-screen .number-route-input .number-route-phase-copy,
  #number-route-screen .number-route-input .number-route-answer-slots,
  #number-route-screen .number-route-input .number-route-keypad {
    margin-top: 0;
    margin-bottom: 0;
  }

  #number-route-screen .number-route-feedback {
    aspect-ratio: 1 / 1;
    height: auto;
    min-height: 0;
    gap: 0;
    align-content: space-evenly;
    justify-items: center;
  }

  #number-route-screen .number-route-feedback > header,
  #number-route-screen .number-route-feedback .number-route-phase-copy,
  #number-route-screen .number-route-feedback .number-route-feedback-sequence,
  #number-route-screen .number-route-feedback > small {
    width: 100%;
    margin-top: 0;
    margin-bottom: 0;
  }
}

/* v21: match Code Attention setup sizing and countdown proportions. */
@media (min-width: 721px) {
  body:has(#number-route-screen.number-route-setup) .site-header,
  body:has(#number-route-screen.number-route-setup) .install-app-banner {
    display: none !important;
  }

  #number-route-screen.number-route-setup {
    min-height: 100dvh;
  }

  #number-route-screen .switch-hero h1 {
    max-width: 100%;
    font-size: 2.75rem;
    line-height: 1;
    white-space: nowrap;
  }

  #number-route-screen .switch-hero p {
    max-width: 410px;
    font-size: 1.05rem;
    line-height: 1.42;
  }
}

@media (max-width: 720px) {
  #number-route-screen .switch-screen {
    display: block;
    width: 100%;
    padding: 10px 14px 20px;
  }

  #number-route-screen .switch-hero {
    grid-template-columns: minmax(0, 1fr) 122px;
    grid-template-rows: auto auto auto;
    width: 100%;
    margin: 0 0 8px;
    padding: 4px 2px 10px;
  }

  #number-route-screen .switch-kicker {
    display: none;
  }

  #number-route-screen .switch-hero h1 {
    grid-column: 1 / -1;
    grid-row: 1;
    max-width: none;
    margin: 0;
    overflow: visible;
    font-size: clamp(1.72rem, 8vw, 2.05rem);
    line-height: 1;
    letter-spacing: -.035em;
    white-space: nowrap;
  }

  #number-route-screen .switch-rainbow {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    height: 4px;
  }

  #number-route-screen .switch-hero p {
    grid-column: 1;
    grid-row: 3;
    align-self: center;
    max-width: none;
    margin: 0;
    font-size: .97rem;
    line-height: 1.43;
  }

  #number-route-screen .number-route-brain-card {
    grid-column: 2;
    grid-row: 3;
    align-self: center;
    justify-self: end;
    width: 122px;
    max-height: 126px;
    margin: 0;
  }

  #number-route-screen .number-route-brain {
    width: 122px;
    max-width: 122px;
    max-height: 126px;
  }

  #number-route-screen .switch-card {
    width: 100%;
    min-height: 92px;
    gap: 8px;
    margin: 0 0 10px;
    padding: 10px;
  }

  #number-route-screen .switch-options button {
    min-height: 46px;
    padding: 4px;
  }

  #number-route-screen .switch-start {
    width: 100%;
    min-height: 52px;
    margin: 0 0 10px;
    gap: 12px;
    padding: 1px 6px;
    font-size: 1.18rem;
  }

  #number-route-screen .number-route-start-icon {
    width: 26px;
    height: 26px;
  }

  #number-route-screen .switch-about {
    width: 100%;
    gap: 8px;
    margin: 0;
    padding: 12px;
  }

  #number-route-screen .number-route-countdown-copy > h1 {
    max-width: 100%;
    font-size: clamp(1.85rem, 8.6vw, 2.1rem);
    line-height: 1;
    letter-spacing: -.055em;
    white-space: nowrap;
  }
}

@media (max-width: 380px) {
  #number-route-screen .switch-hero {
    grid-template-columns: minmax(0, 1fr) 108px;
    column-gap: 8px;
  }

  #number-route-screen .number-route-brain-card,
  #number-route-screen .number-route-brain {
    width: 108px;
    max-width: 108px;
    max-height: 114px;
  }

  #number-route-screen .number-route-countdown-copy > h1 {
    font-size: clamp(1.72rem, 8.25vw, 1.95rem);
  }
}