:root {
  --lab-navy: #0b2741;
  --lab-navy-deep: #061a2c;
  --lab-green: #0b6b3a;
  --lab-green-bright: #168654;
  --lab-green-soft: #e8f2ec;
  --lab-amber: #b97820;
  --lab-ink: #10243a;
  --lab-muted: #5c6b79;
  --lab-line: #dbe3e8;
  --lab-warm: #f8f7f3;
  --lab-white: #fff;
  --lab-shadow: 0 22px 60px rgba(10, 37, 61, 0.12);
  --lab-radius: 20px;
  --lab-serif: "DM Serif Display", Georgia, serif;
  --lab-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--lab-ink);
  background:
    radial-gradient(circle at 85% 5%, rgba(11, 107, 58, 0.07), transparent 25rem),
    var(--lab-warm);
  font-family: var(--lab-sans);
  line-height: 1.5;
}

body.lab-dialog-open {
  overflow: hidden;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input {
  font: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid #efb24f;
  outline-offset: 3px;
}

.lab-skip-link {
  position: fixed;
  z-index: 200;
  top: 10px;
  left: 10px;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 8px;
  color: #fff;
  background: var(--lab-navy);
  font-weight: 800;
}

.lab-skip-link:focus {
  transform: translateY(0);
}

.lab-container {
  width: min(1400px, calc(100% - 48px));
  margin: 0 auto;
}

.lab-header {
  position: sticky;
  z-index: 80;
  top: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  background: rgba(6, 26, 44, 0.97);
  backdrop-filter: blur(18px);
}

.lab-header-row {
  min-height: 84px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.lab-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-family: var(--lab-sans);
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.lab-brand::before {
  content: ">";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: auto;
  margin: 0;
  border-radius: 0;
  color: #35d884;
  font-family: var(--lab-sans);
  font-size: 2rem;
  font-weight: 800;
  line-height: 0.82;
}

.lab-brand strong {
  color: #35d884;
}

.lab-nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 2.4vw, 38px);
}

.lab-nav a {
  position: relative;
  padding: 30px 0 27px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.96rem;
  text-decoration: none;
}

.lab-nav a:hover,
.lab-nav a[aria-current="page"] {
  color: #fff;
}

.lab-nav a[aria-current="page"]::after {
  position: absolute;
  right: 0;
  bottom: 17px;
  left: 0;
  height: 3px;
  border-radius: 999px;
  background: #3da66a;
  content: "";
}

.lab-nav-actions {
  min-width: 188px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.lab-nav-actions .nav-login-link,
.lab-nav-actions .btn,
.lab-nav-actions .user-menu-button {
  color: #fff;
}

.lab-nav-actions .nav-login-link {
  margin-right: 12px;
}

.lab-nav-actions .btn {
  min-height: 42px;
  padding: 9px 15px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 10px;
  color: #fff;
  background: transparent;
  text-decoration: none;
  cursor: pointer;
}

.lab-menu-toggle {
  width: 46px;
  height: 46px;
  display: none;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 12px;
  color: #fff;
  background: transparent;
  cursor: pointer;
}

.lab-main {
  padding: 54px 0 72px;
}

.lab-hero {
  display: grid;
  grid-template-columns: minmax(380px, 0.86fr) minmax(520px, 1.14fr);
  gap: clamp(34px, 5vw, 82px);
  align-items: center;
}

.lab-eyebrow {
  margin: 0 0 18px;
  color: var(--lab-green);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.lab-hero h1 {
  max-width: 680px;
  margin: 0;
  color: var(--lab-navy-deep);
  font-family: var(--lab-serif);
  font-size: clamp(3.55rem, 5.7vw, 6.4rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.96;
}

.lab-hero-copy {
  max-width: 590px;
  margin: 28px 0 0;
  color: #33475a;
  font-size: clamp(1.03rem, 1.5vw, 1.2rem);
  line-height: 1.7;
}

.lab-hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.lab-button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.lab-button:hover {
  transform: translateY(-2px);
}

.lab-button-primary {
  color: #fff;
  background: var(--lab-green);
  box-shadow: 0 13px 28px rgba(11, 107, 58, 0.22);
}

.lab-button-primary:hover {
  background: #085c32;
}

.lab-button-secondary {
  border-color: var(--lab-green);
  color: var(--lab-green);
  background: transparent;
}

.lab-button-secondary:hover {
  background: var(--lab-green-soft);
}

.lab-button-quiet {
  border-color: var(--lab-line);
  color: var(--lab-ink);
  background: #fff;
}

.lab-private-note {
  margin: 20px 0 0;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--lab-muted);
  font-size: 0.88rem;
}

.lab-session-preview {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(6, 26, 44, 0.14);
  border-radius: 22px;
  color: #fff;
  background: var(--lab-navy-deep);
  box-shadow: var(--lab-shadow);
}

.lab-session-preview::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 14, 25, 0.88) 0%, rgba(4, 14, 25, 0.18) 49%, rgba(4, 14, 25, 0.5) 100%),
    linear-gradient(0deg, rgba(4, 14, 25, 0.78), transparent 55%);
  content: "";
  pointer-events: none;
}

.lab-session-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% center;
}

.lab-recording {
  position: absolute;
  z-index: 2;
  top: 22px;
  left: 22px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  background: rgba(2, 12, 21, 0.62);
  backdrop-filter: blur(12px);
  font-size: 0.82rem;
  font-weight: 750;
}

.lab-rec-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #f25d54;
  box-shadow: 0 0 0 5px rgba(242, 93, 84, 0.12);
}

.lab-objective {
  position: absolute;
  z-index: 2;
  top: 24px;
  right: 22px;
  width: min(245px, 42%);
  padding: 17px 18px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 14px;
  background: rgba(2, 12, 21, 0.68);
  backdrop-filter: blur(14px);
}

.lab-overlay-label {
  display: block;
  margin-bottom: 7px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lab-objective strong {
  display: block;
  color: #f0bd63;
  font-family: var(--lab-serif);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.1;
}

.lab-objective small {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.76);
}

.lab-cue {
  position: absolute;
  z-index: 2;
  bottom: 24px;
  left: 22px;
  width: min(345px, 54%);
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 14px;
  background: rgba(2, 12, 21, 0.7);
  backdrop-filter: blur(14px);
}

.lab-cue p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.45;
}

.lab-confidence {
  position: absolute;
  z-index: 2;
  right: 22px;
  bottom: 24px;
  width: 146px;
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 14px;
  background: rgba(2, 12, 21, 0.7);
  text-align: center;
  backdrop-filter: blur(14px);
}

.lab-confidence-ring {
  width: 84px;
  height: 84px;
  margin: 6px auto 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, #0d2133 57%, transparent 59%),
    conic-gradient(#47a972 0 78%, rgba(255, 255, 255, 0.14) 78% 100%);
  font-family: var(--lab-serif);
  font-size: 1.65rem;
}

.lab-dashboard {
  margin-top: 30px;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(260px, 1fr);
  gap: 16px;
}

.lab-modules {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.lab-module {
  min-height: 248px;
  display: flex;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--lab-line);
  border-radius: 16px;
  color: inherit;
  background: rgba(255, 255, 255, 0.82);
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.lab-module:hover {
  transform: translateY(-3px);
  border-color: rgba(11, 107, 58, 0.45);
  box-shadow: 0 14px 32px rgba(10, 37, 61, 0.09);
}

.lab-module-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.lab-module-icon {
  width: 56px;
  height: 56px;
  flex: 0 0 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--lab-green);
  background: var(--lab-green-soft);
  font-size: 1.35rem;
}

.lab-module-arrow {
  color: var(--lab-green);
  font-size: 1.1rem;
}

.lab-module h2 {
  margin: 19px 0 5px;
  color: var(--lab-navy);
  font-family: var(--lab-serif);
  font-size: 1.55rem;
  font-weight: 400;
}

.lab-module p {
  min-height: 48px;
  margin: 0;
  color: var(--lab-muted);
  font-size: 0.91rem;
}

.lab-progress {
  height: 7px;
  margin-top: auto;
  overflow: hidden;
  border-radius: 999px;
  background: #dfe4e2;
}

.lab-progress span {
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--lab-green);
}

.lab-module-meta {
  margin-top: 11px;
  display: flex;
  justify-content: space-between;
  color: var(--lab-muted);
  font-size: 0.79rem;
}

.lab-week {
  padding: 22px;
  border: 1px solid var(--lab-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
}

.lab-week h2 {
  margin: 0;
  color: var(--lab-navy);
  font-family: var(--lab-serif);
  font-size: 1.65rem;
  font-weight: 400;
}

.lab-week-date {
  margin: 3px 0 16px;
  color: var(--lab-muted);
  font-size: 0.78rem;
}

.lab-stat {
  padding: 10px 0;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--lab-line);
  color: var(--lab-muted);
  font-size: 0.87rem;
}

.lab-stat strong {
  color: var(--lab-ink);
}

.lab-days {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 7px;
}

.lab-day {
  text-align: center;
  color: var(--lab-muted);
  font-size: 0.8rem;
}

.lab-day::after {
  width: 17px;
  height: 17px;
  margin: 6px auto 0;
  display: block;
  border: 1px solid #b9c5cb;
  border-radius: 50%;
  content: "";
}

.lab-day.is-active::after {
  border-color: var(--lab-green);
  background: var(--lab-green);
}

.lab-achievements {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) repeat(3, 1fr);
  border: 1px solid var(--lab-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.8);
}

.lab-achievement-intro,
.lab-achievement {
  min-height: 114px;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.lab-achievement + .lab-achievement,
.lab-achievement-intro + .lab-achievement {
  border-left: 1px solid var(--lab-line);
}

.lab-medal {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(185, 120, 32, 0.42);
  border-radius: 50%;
  color: var(--lab-amber);
  background: #fff8e9;
}

.lab-achievement h3,
.lab-achievement-intro h2 {
  margin: 0;
  color: var(--lab-navy);
  font-family: var(--lab-serif);
  font-size: 1.18rem;
  font-weight: 400;
}

.lab-achievement p,
.lab-achievement-intro p {
  margin: 3px 0 0;
  color: var(--lab-muted);
  font-size: 0.76rem;
}

.lab-momentum {
  margin-top: 30px;
  display: grid;
  grid-template-columns: minmax(250px, 1.4fr) repeat(2, minmax(150px, 0.7fr)) minmax(260px, 1.25fr);
  border: 1px solid var(--lab-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 12px 34px rgba(10, 37, 61, 0.06);
}

.lab-level-block,
.lab-momentum-stat,
.lab-daily-card {
  min-height: 112px;
  padding: 20px 22px;
}

.lab-momentum-stat,
.lab-daily-card {
  border-left: 1px solid var(--lab-line);
}

.lab-momentum-label,
.lab-daily-card small {
  color: var(--lab-muted);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lab-level-row {
  margin-top: 9px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.lab-level-row strong {
  color: var(--lab-navy);
  font-family: var(--lab-serif);
  font-size: 1.35rem;
  font-weight: 400;
}

.lab-level-row span {
  color: var(--lab-muted);
  font-size: 0.76rem;
}

.lab-xp-bar {
  height: 7px;
  margin-top: 13px;
  display: block;
  overflow: hidden;
  border-radius: 999px;
  background: #dfe6e3;
}

.lab-xp-bar span {
  height: 100%;
  display: block;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--lab-green), #49aa72);
  transition: width 500ms ease;
}

.lab-momentum-stat {
  display: flex;
  align-items: center;
  gap: 13px;
}

.lab-momentum-stat > i {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--lab-amber);
  background: #fff3df;
}

.lab-momentum-stat span {
  color: var(--lab-muted);
  font-size: 0.8rem;
}

.lab-momentum-stat strong {
  color: var(--lab-navy);
  font-family: var(--lab-serif);
  font-size: 1.45rem;
  font-weight: 400;
}

.lab-momentum-stat small {
  display: block;
  margin-top: 1px;
}

.lab-daily-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 0;
  border-right: 0;
  border-bottom: 0;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(6, 26, 44, 0.98), rgba(11, 69, 63, 0.96));
  text-align: left;
  cursor: pointer;
}

.lab-daily-card small {
  color: rgba(255, 255, 255, 0.6);
}

.lab-daily-card strong {
  display: block;
  margin-top: 5px;
  font-family: var(--lab-serif);
  font-size: 1.25rem;
  font-weight: 400;
}

.lab-daily-status {
  color: #73d29a;
  font-size: 0.78rem;
  font-weight: 750;
  white-space: nowrap;
}

.lab-philosophy {
  margin-top: 34px;
  padding: clamp(28px, 4vw, 54px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  border-radius: 20px;
  color: #fff;
  background: var(--lab-navy);
}

.lab-philosophy h2 {
  margin: 0;
  font-family: var(--lab-serif);
  font-size: clamp(2rem, 3.5vw, 3.4rem);
  font-weight: 400;
  line-height: 1.05;
}

.lab-philosophy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1rem;
  line-height: 1.75;
}

.lab-mobile-tabs {
  display: none;
}

.lab-dialog {
  width: min(940px, calc(100% - 32px));
  max-height: min(900px, calc(100vh - 24px));
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 22px;
  color: var(--lab-ink);
  background: #fff;
  box-shadow: 0 30px 90px rgba(2, 15, 27, 0.4);
}

.lab-dialog::backdrop {
  background: rgba(3, 17, 29, 0.74);
  backdrop-filter: blur(5px);
}

.lab-dialog-header {
  padding: 24px 26px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  color: #fff;
  background: var(--lab-navy);
}

.lab-dialog-header h2 {
  margin: 3px 0 0;
  font-family: var(--lab-serif);
  font-size: 2rem;
  font-weight: 400;
}

.lab-dialog-progress {
  min-height: 6px;
  margin-top: 12px;
  display: flex;
  gap: 5px;
}

.lab-dialog-progress span {
  width: 38px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
}

.lab-dialog-progress span.is-active,
.lab-dialog-progress span.is-complete {
  background: #62c78b;
}

.lab-dialog-progress span.is-active {
  box-shadow: 0 0 0 3px rgba(98, 199, 139, 0.12);
}

.lab-dialog-kicker {
  margin: 0;
  color: #79c59c;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lab-dialog-close {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  color: #fff;
  background: transparent;
  cursor: pointer;
}

.lab-dialog-body {
  max-height: calc(100vh - 150px);
  padding: 28px;
  overflow-y: auto;
}

.lab-stage {
  min-height: 330px;
  padding: clamp(22px, 4vw, 38px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid var(--lab-line);
  border-radius: 18px;
  background:
    radial-gradient(circle at 90% 10%, rgba(11, 107, 58, 0.1), transparent 17rem),
    #fbfbf8;
}

.lab-stage.is-live {
  min-height: 500px;
  position: relative;
  overflow: hidden;
  border-color: rgba(255, 255, 255, 0.11);
  color: #fff;
  background:
    radial-gradient(circle at 85% 12%, rgba(22, 134, 84, 0.26), transparent 22rem),
    linear-gradient(145deg, #061a2c, #0a263b 62%, #102f39);
}

.lab-stage.is-results {
  background:
    radial-gradient(circle at 50% 0, rgba(11, 107, 58, 0.12), transparent 20rem),
    #fbfbf8;
}

.lab-challenge-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(250px, 0.8fr);
  gap: 26px;
  align-items: stretch;
}

.lab-challenge-copy {
  padding: 4px 0;
}

.lab-challenge-copy h3 {
  max-width: 610px;
}

.lab-scene-meta {
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.lab-chip {
  padding: 7px 10px;
  border: 1px solid var(--lab-line);
  border-radius: 999px;
  color: var(--lab-muted);
  background: #fff;
  font-size: 0.74rem;
  font-weight: 700;
}

.lab-brief {
  margin-top: 22px;
  padding: 17px 18px;
  border-left: 4px solid var(--lab-green);
  border-radius: 0 12px 12px 0;
  color: #2e4356;
  background: var(--lab-green-soft);
}

.lab-brief strong {
  display: block;
  margin-bottom: 4px;
  color: var(--lab-green);
}

.lab-mic-card {
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: 16px;
  color: #fff;
  background: var(--lab-navy);
}

.lab-mic-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  color: #75ce9a;
  background: rgba(255, 255, 255, 0.06);
  font-size: 1.2rem;
}

.lab-mic-card h4 {
  margin: 16px 0 7px;
  font-family: var(--lab-serif);
  font-size: 1.4rem;
  font-weight: 400;
}

.lab-mic-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.83rem;
  line-height: 1.55;
}

.lab-privacy-proof {
  margin-top: 16px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: #8bd6a9;
  font-size: 0.75rem;
}

.lab-countdown {
  min-height: 440px;
  display: grid;
  place-items: center;
  color: #fff;
  text-align: center;
}

.lab-countdown-number {
  font-family: var(--lab-serif);
  font-size: clamp(7rem, 20vw, 13rem);
  line-height: 1;
  animation: lab-count-pulse 820ms ease both;
}

.lab-countdown p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

@keyframes lab-count-pulse {
  from { opacity: 0; transform: scale(1.25); }
  to { opacity: 1; transform: scale(1); }
}

.lab-take {
  width: 100%;
}

.lab-take-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.lab-take-label,
.lab-live-time,
.lab-combo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.76);
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.76rem;
  font-weight: 750;
}

.lab-take-label i {
  color: #f25d54;
}

.lab-live-time {
  font-variant-numeric: tabular-nums;
}

.lab-scene-lines {
  max-width: 760px;
  margin: clamp(34px, 7vh, 64px) auto 0;
  text-align: center;
}

.lab-scene-lines p {
  margin: 0;
  color: #fff;
  font-family: var(--lab-serif);
  font-size: clamp(1.8rem, 4vw, 3.3rem);
  line-height: 1.17;
}

.lab-scene-lines small {
  max-width: 570px;
  margin: 16px auto 0;
  display: block;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.85rem;
}

.lab-live-footer {
  margin-top: clamp(34px, 7vh, 64px);
  display: grid;
  grid-template-columns: minmax(150px, 0.7fr) minmax(260px, 1.6fr) minmax(150px, 0.7fr);
  gap: 14px;
  align-items: end;
}

.lab-meter-wrap span,
.lab-cue-status span {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.lab-energy-meter {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.lab-energy-meter span {
  width: 8%;
  height: 100%;
  margin: 0;
  display: block;
  border-radius: inherit;
  background: linear-gradient(90deg, #4cc57d, #e6bd63);
  transition: width 90ms linear;
}

.lab-director-note {
  position: relative;
  min-height: 98px;
  padding: 17px 19px 17px 54px;
  display: flex;
  align-items: center;
  border: 1px solid rgba(240, 189, 99, 0.48);
  border-radius: 14px;
  color: #f7e1b9;
  background: rgba(185, 120, 32, 0.13);
  font-family: var(--lab-serif);
  font-size: 1.25rem;
  line-height: 1.25;
  transition: transform 220ms ease, background 220ms ease;
}

.lab-director-note::before {
  position: absolute;
  left: 18px;
  color: #f0bd63;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f130";
}

.lab-director-note.is-new {
  transform: scale(1.02);
  background: rgba(185, 120, 32, 0.24);
}

.lab-cue-button {
  min-height: 58px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 12px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
  cursor: pointer;
}

.lab-cue-button.is-ready {
  border-color: #74d39b;
  color: #fff;
  background: var(--lab-green);
  box-shadow: 0 0 0 5px rgba(116, 211, 155, 0.13);
  animation: lab-cue-glow 900ms ease infinite alternate;
}

.lab-cue-button.is-hit {
  border-color: #74d39b;
  color: #74d39b;
}

@keyframes lab-cue-glow {
  to { box-shadow: 0 0 0 10px rgba(116, 211, 155, 0.03); }
}

.lab-redirect {
  text-align: center;
}

.lab-redirect-mark {
  width: 68px;
  height: 68px;
  margin: 0 auto 19px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--lab-green);
  font-size: 1.45rem;
}

.lab-redirect h3 {
  max-width: 690px;
  margin: 0 auto;
}

.lab-redirect p {
  max-width: 620px;
  margin: 16px auto 0;
}

.lab-take-score {
  margin: 23px auto 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--lab-line);
  border-radius: 999px;
  color: var(--lab-muted);
  background: #fff;
}

.lab-take-score strong {
  color: var(--lab-green);
  font-size: 1.2rem;
}

.lab-round-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--lab-muted);
  font-size: 0.75rem;
  font-weight: 750;
  text-transform: uppercase;
}

.lab-round-timer {
  height: 6px;
  margin: 12px 0 26px;
  overflow: hidden;
  border-radius: 999px;
  background: #e1e6e4;
}

.lab-round-timer span {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--lab-green);
  transform-origin: left;
}

.lab-scenario {
  max-width: 730px;
}

.lab-scenario h3 {
  font-size: clamp(1.65rem, 3.4vw, 2.45rem);
}

.lab-choice {
  position: relative;
  padding-right: 54px;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.lab-choice::after {
  position: absolute;
  top: 50%;
  right: 17px;
  transform: translateY(-50%);
  color: #91a0aa;
  font-size: 0.74rem;
  content: attr(data-key);
}

.lab-choice:active {
  transform: scale(0.99);
}

.lab-combo {
  border-color: rgba(185, 120, 32, 0.3);
  color: var(--lab-amber);
  background: #fff8e9;
}

.lab-branch-meters {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.lab-branch-meter {
  padding: 11px;
  border: 1px solid var(--lab-line);
  border-radius: 10px;
  color: var(--lab-muted);
  background: #fff;
  font-size: 0.72rem;
}

.lab-branch-meter span {
  height: 5px;
  margin-top: 7px;
  display: block;
  overflow: hidden;
  border-radius: 999px;
  background: #e0e5e3;
}

.lab-branch-meter i {
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--lab-green);
  transition: width 300ms ease;
}

.lab-results {
  text-align: center;
}

.lab-score-ring {
  width: 154px;
  height: 154px;
  margin: 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--lab-navy);
  background:
    radial-gradient(circle, #fbfbf8 58%, transparent 60%),
    conic-gradient(var(--lab-green) var(--score-angle, 0deg), #dfe5e2 0);
}

.lab-score-ring strong {
  display: block;
  font-family: var(--lab-serif);
  font-size: 3.2rem;
  font-weight: 400;
  line-height: 0.9;
}

.lab-score-ring small {
  color: var(--lab-muted);
  font-size: 0.68rem;
  text-transform: uppercase;
}

.lab-results h3 {
  margin-top: 22px;
  font-size: 2.25rem;
}

.lab-results-subtitle {
  max-width: 610px;
  margin: 9px auto 0;
  color: var(--lab-muted);
}

.lab-metrics-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.lab-metric {
  padding: 15px 10px;
  border: 1px solid var(--lab-line);
  border-radius: 12px;
  background: #fff;
}

.lab-metric strong {
  display: block;
  color: var(--lab-navy);
  font-family: var(--lab-serif);
  font-size: 1.55rem;
  font-weight: 400;
}

.lab-metric span {
  color: var(--lab-muted);
  font-size: 0.72rem;
}

.lab-xp-award {
  margin: 20px auto 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  color: #8a5610;
  background: #fff1d8;
  font-weight: 800;
}

.lab-best-banner {
  margin-top: 14px;
  color: var(--lab-green);
  font-weight: 800;
}

.lab-score-disclaimer {
  max-width: 650px;
  margin: 17px auto 0;
  color: var(--lab-muted);
  font-size: 0.72rem;
}

.lab-stage-label {
  margin: 0 0 9px;
  color: var(--lab-green);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lab-stage h3 {
  margin: 0;
  color: var(--lab-navy);
  font-family: var(--lab-serif);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.08;
}

.lab-stage-copy {
  margin: 16px 0 0;
  color: var(--lab-muted);
  line-height: 1.7;
}

.lab-timer {
  margin: 22px 0 0;
  color: var(--lab-navy);
  font-family: var(--lab-serif);
  font-size: 2.7rem;
  font-variant-numeric: tabular-nums;
}

.lab-exercise-options {
  margin-top: 23px;
  display: grid;
  gap: 10px;
}

.lab-choice {
  width: 100%;
  min-height: 56px;
  padding: 13px 16px;
  border: 1px solid var(--lab-line);
  border-radius: 12px;
  color: var(--lab-ink);
  background: #fff;
  text-align: left;
  cursor: pointer;
}

.lab-choice:hover {
  border-color: var(--lab-green);
  background: var(--lab-green-soft);
}

.lab-choice.is-correct {
  border-color: var(--lab-green);
  color: #074c2a;
  background: var(--lab-green-soft);
}

.lab-choice.is-wrong {
  border-color: #ba645d;
  background: #fff1ef;
}

.lab-feedback {
  min-height: 25px;
  margin: 16px 0 0;
  color: var(--lab-muted);
  font-size: 0.94rem;
}

.lab-dialog-actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.lab-live-region {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (max-width: 1120px) {
  .lab-header-row {
    gap: 18px;
  }

  .lab-nav {
    gap: 16px;
  }

  .lab-nav-actions {
    min-width: 160px;
  }

  .lab-hero {
    grid-template-columns: 1fr 1.08fr;
    gap: 32px;
  }

  .lab-session-preview {
    min-height: 470px;
  }

  .lab-dashboard {
    grid-template-columns: 1fr;
  }

  .lab-momentum {
    grid-template-columns: 1.2fr repeat(2, 0.8fr);
  }

  .lab-daily-card {
    grid-column: 1 / -1;
    border-top: 1px solid var(--lab-line);
    border-left: 0;
  }

  .lab-week {
    display: grid;
    grid-template-columns: 1.2fr repeat(4, 1fr);
    gap: 18px;
    align-items: center;
  }

  .lab-week-date {
    margin-bottom: 0;
  }

  .lab-stat {
    border: 0;
  }

  .lab-days {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .lab-container {
    width: min(100% - 32px, 760px);
  }

  .lab-header-row {
    min-height: 72px;
  }

  .lab-brand {
    font-size: 2rem;
  }

  .lab-nav,
  .lab-nav-actions {
    display: none;
  }

  .lab-menu-toggle {
    margin-left: auto;
    display: grid;
  }

  .lab-nav.is-open {
    position: absolute;
    top: 72px;
    right: 0;
    left: 0;
    display: grid;
    padding: 12px 20px 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--lab-navy-deep);
  }

  .lab-nav.is-open a {
    padding: 13px 4px;
  }

  .lab-nav a[aria-current="page"]::after {
    right: auto;
    bottom: 5px;
    width: 42px;
  }

  .lab-main {
    padding: 38px 0 96px;
  }

  .lab-hero {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .lab-hero h1 {
    max-width: 680px;
    font-size: clamp(3.45rem, 12vw, 5.4rem);
  }

  .lab-hero-copy {
    max-width: 680px;
  }

  .lab-session-preview {
    min-height: 570px;
  }

  .lab-session-image {
    object-position: 65% center;
  }

  .lab-modules {
    grid-template-columns: 1fr;
  }

  .lab-momentum {
    grid-template-columns: 1fr 1fr;
  }

  .lab-level-block {
    grid-column: 1 / -1;
  }

  .lab-momentum-stat:first-of-type {
    border-left: 0;
  }

  .lab-challenge-intro {
    grid-template-columns: 1fr;
  }

  .lab-mic-card {
    min-height: 210px;
  }

  .lab-module {
    min-height: 190px;
  }

  .lab-module p {
    min-height: 0;
  }

  .lab-achievements {
    grid-template-columns: 1fr 1fr;
  }

  .lab-achievement + .lab-achievement,
  .lab-achievement-intro + .lab-achievement {
    border-left: 0;
  }

  .lab-achievement:nth-child(even) {
    border-left: 1px solid var(--lab-line);
  }

  .lab-achievement:nth-child(n + 3) {
    border-top: 1px solid var(--lab-line);
  }

  .lab-philosophy {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 620px) {
  .lab-container {
    width: min(100% - 24px, 520px);
  }

  .lab-main {
    padding-top: 30px;
  }

  .lab-eyebrow {
    margin-bottom: 14px;
    font-size: 0.72rem;
  }

  .lab-hero h1 {
    font-size: clamp(3rem, 15vw, 4.35rem);
  }

  .lab-hero-copy {
    margin-top: 20px;
    font-size: 1rem;
  }

  .lab-hero-actions {
    display: grid;
  }

  .lab-button {
    width: 100%;
  }

  .lab-private-note {
    align-items: flex-start;
  }

  .lab-session-preview {
    min-height: 620px;
    border-radius: 18px;
  }

  .lab-session-preview::after {
    background:
      linear-gradient(0deg, rgba(4, 14, 25, 0.94) 0%, rgba(4, 14, 25, 0.16) 74%),
      linear-gradient(90deg, rgba(4, 14, 25, 0.3), transparent);
  }

  .lab-session-image {
    height: 55%;
    object-position: 66% center;
  }

  .lab-recording {
    top: 16px;
    left: 16px;
  }

  .lab-objective,
  .lab-cue,
  .lab-confidence {
    right: 16px;
    left: 16px;
    width: auto;
  }

  .lab-objective {
    top: auto;
    bottom: 196px;
  }

  .lab-objective strong {
    font-size: 1.3rem;
  }

  .lab-cue {
    bottom: 86px;
  }

  .lab-confidence {
    bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
  }

  .lab-confidence-ring {
    width: 56px;
    height: 56px;
    margin: 0;
    font-size: 1.15rem;
  }

  .lab-dashboard {
    margin-top: 18px;
  }

  .lab-momentum {
    margin-top: 18px;
    grid-template-columns: 1fr;
  }

  .lab-level-block,
  .lab-momentum-stat,
  .lab-daily-card {
    min-height: 96px;
  }

  .lab-momentum-stat,
  .lab-daily-card {
    border-top: 1px solid var(--lab-line);
    border-left: 0;
  }

  .lab-daily-card {
    grid-column: auto;
  }

  .lab-module {
    min-height: 196px;
    padding: 20px;
  }

  .lab-week {
    display: block;
  }

  .lab-stat {
    border-bottom: 1px solid var(--lab-line);
  }

  .lab-achievements {
    grid-template-columns: 1fr;
  }

  .lab-achievement,
  .lab-achievement-intro {
    min-height: 96px;
  }

  .lab-achievement:nth-child(even) {
    border-left: 0;
  }

  .lab-achievement + .lab-achievement,
  .lab-achievement-intro + .lab-achievement {
    border-top: 1px solid var(--lab-line);
  }

  .lab-philosophy {
    margin-top: 20px;
    padding: 28px 22px;
  }

  .lab-mobile-tabs {
    position: fixed;
    z-index: 70;
    right: 0;
    bottom: 0;
    left: 0;
    min-height: 70px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(6, 26, 44, 0.98);
    backdrop-filter: blur(16px);
  }

  .lab-mobile-tabs a,
  .lab-mobile-tabs button {
    display: grid;
    place-items: center;
    align-content: center;
    gap: 4px;
    border: 0;
    color: rgba(255, 255, 255, 0.66);
    background: transparent;
    font-size: 0.8rem;
    text-decoration: none;
  }

  .lab-mobile-tabs i {
    font-size: 1.08rem;
  }

  .lab-mobile-tabs .is-active {
    color: #64c98d;
  }

  .lab-dialog {
    width: 100%;
    max-width: none;
    max-height: 96vh;
    margin: auto 0 0;
    border-radius: 22px 22px 0 0;
  }

  .lab-dialog-body {
    max-height: calc(96vh - 104px);
    padding: 18px;
  }

  .lab-stage.is-live {
    min-height: 520px;
    padding: 19px;
  }

  .lab-live-footer {
    grid-template-columns: 1fr;
    margin-top: 30px;
  }

  .lab-director-note {
    grid-row: 1;
  }

  .lab-cue-button {
    min-height: 62px;
  }

  .lab-scene-lines {
    margin-top: 34px;
  }

  .lab-scene-lines p {
    font-size: clamp(1.5rem, 7.8vw, 2.1rem);
  }

  .lab-metrics-grid {
    grid-template-columns: 1fr 1fr;
  }

  .lab-branch-meters {
    grid-template-columns: 1fr;
  }

  .lab-dialog-header {
    padding: 20px;
  }

  .lab-dialog-header h2 {
    font-size: 1.65rem;
  }

  .lab-dialog-actions {
    display: grid;
    position: sticky;
    z-index: 4;
    bottom: -18px;
    padding: 12px 0 4px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0), #fff 18%);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}