:root {
  --lab-night: #07131a;
  --lab-night-soft: #10212a;
  --lab-green: #2ecc71;
  --lab-green-dark: #119a53;
  --lab-coral: #e85d5a;
  --lab-cyan: #5ea7ff;
  --lab-paper: #f7faf8;
  --lab-mist: #eef4ef;
  --lab-white: #ffffff;
  --lab-ink: #10243e;
  --lab-muted: #4d617b;
  --lab-line: #d8e2df;
  --lab-radius: 6px;
  --lab-heading: "Manrope", sans-serif;
  --lab-body: "Source Sans 3", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body.lab-page {
  min-width: 320px;
  margin: 0;
  color: var(--lab-ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(46, 204, 113, 0.08), transparent 28rem),
    linear-gradient(180deg, rgba(16, 36, 62, 0.035), transparent 420px),
    var(--lab-paper);
  font-family: var(--lab-body);
  font-size: 16px;
}

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

.lab-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 74px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
  padding: 0 clamp(16px, 3vw, 34px);
  border-bottom: 1px solid rgba(255,255,255,.12);
  color: var(--lab-white);
  background: rgba(7, 19, 26, 0.94);
  backdrop-filter: blur(14px);
}

.lab-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--lab-white);
  font-family: var(--lab-heading);
  font-size: 1.35rem;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.lab-brand-mark, .lab-brand strong { color: var(--lab-green); }
.lab-brand-mark { font-size: 1.75rem; line-height: .8; }
.lab-wordmark { color: var(--lab-white); }

.lab-menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--lab-radius);
  color: var(--lab-white);
  background: rgba(255,255,255,.06);
  cursor: pointer;
}

.lab-main-nav {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 1.7vw, 22px);
  font-family: var(--lab-heading);
}

.lab-main-nav a {
  color: rgba(255,255,255,.76);
  font-size: .86rem;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.lab-main-nav a:hover,
.lab-main-nav a[aria-current="page"] {
  color: var(--lab-green);
}

.lab-header-actions, .lab-primary-actions, .lab-item-actions, .lab-detail-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lab-button, .lab-icon-link, .lab-icon-button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--lab-radius);
  cursor: pointer;
  font-family: var(--lab-heading);
  font-size: .82rem;
  font-weight: 800;
  text-decoration: none;
}

.lab-button { padding: 9px 14px; }
.lab-button-primary { color: #07291b; background: var(--lab-green); border-color: var(--lab-green); }
.lab-button-secondary { color: var(--lab-ink); background: var(--lab-white); border-color: var(--lab-line); }
.lab-button-dark { color: var(--lab-white); background: var(--lab-night); border-color: var(--lab-night); }
.lab-button:hover, .lab-icon-link:hover, .lab-icon-button:hover { filter: brightness(.96); }

.lab-icon-link, .lab-icon-button {
  width: 40px;
  padding: 0;
  color: var(--lab-muted);
  background: transparent;
  border-color: var(--lab-line);
}

.lab-header .lab-icon-link { display: none; color: var(--lab-white); border-color: rgba(255,255,255,.2); }

.lab-app {
  min-height: calc(100vh - 74px);
  display: grid;
  grid-template-columns: 274px minmax(0, 1fr);
}

.lab-sidebar {
  position: sticky;
  top: 74px;
  height: calc(100vh - 74px);
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 22px 16px 18px;
  overflow-y: auto;
  border-right: 1px solid var(--lab-line);
  background: var(--lab-white);
}

.lab-sidebar-heading, .lab-sidebar-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.lab-sidebar-heading p, .lab-sidebar-label {
  margin: 0;
  color: var(--lab-muted);
  font-family: var(--lab-heading);
  font-size: .7rem;
  font-weight: 800;
  text-transform: uppercase;
}

.lab-nav { display: grid; gap: 3px; margin: 14px 0 24px; }

.lab-nav-item {
  width: 100%;
  min-height: 44px;
  display: grid;
  grid-template-columns: 22px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border: 0;
  border-radius: var(--lab-radius);
  color: var(--lab-muted);
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: var(--lab-heading);
  font-size: .8rem;
  font-weight: 700;
}

.lab-nav-item b {
  min-width: 22px;
  color: inherit;
  font-size: .7rem;
  text-align: right;
}

.lab-nav-item:hover { color: var(--lab-ink); background: var(--lab-paper); }
.lab-nav-item.is-active { color: #073f28; background: rgba(49,208,130,.15); }
.lab-nav-item.is-active i { color: var(--lab-green-dark); }

.lab-sidebar-section { min-height: 0; display: flex; flex: 1; flex-direction: column; }
.lab-sidebar-label span:last-child { color: var(--lab-green-dark); }
.lab-recent-list { min-height: 0; display: grid; align-content: start; gap: 5px; margin-top: 10px; }

.lab-recent-item {
  width: 100%;
  min-width: 0;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 9px;
  padding: 9px;
  border: 1px solid transparent;
  border-radius: var(--lab-radius);
  color: var(--lab-ink);
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.lab-recent-item:hover, .lab-recent-item.is-selected { border-color: var(--lab-line); background: var(--lab-paper); }
.lab-recent-item i { color: var(--lab-cyan); margin-top: 3px; }
.lab-recent-item.is-report i { color: var(--lab-coral); }
.lab-recent-item strong, .lab-recent-item span { display: block; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lab-recent-item strong { font-family: var(--lab-heading); font-size: .76rem; }
.lab-recent-item span { margin-top: 2px; color: var(--lab-muted); font-size: .72rem; }

.lab-skeleton { height: 48px; border-radius: var(--lab-radius); background: linear-gradient(90deg, var(--lab-paper), var(--lab-mist), var(--lab-paper)); background-size: 220% 100%; animation: lab-shimmer 1.2s linear infinite; }

.lab-storage-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--lab-line);
  color: var(--lab-muted);
  font-size: .76rem;
}
.lab-storage-note i { color: var(--lab-green-dark); }

.lab-workspace { min-width: 0; padding: 30px clamp(18px, 3vw, 42px) 50px; }

.lab-launchpad {
  position: relative;
  min-height: 430px;
  display: flex;
  align-items: center;
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 8px;
  overflow: hidden;
  color: var(--lab-white);
  isolation: isolate;
  background: #07161b;
  box-shadow: 0 24px 70px rgba(16,40,47,.18);
}

.lab-launchpad::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("/images/lab-hero-rehearsal-desk-v2.png") 64% center / cover no-repeat;
  filter: brightness(1.16) saturate(1.02);
  transform: scale(1.01);
}

.lab-launchpad::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(5,24,29,.94) 0%, rgba(5,24,29,.86) 48%, rgba(5,24,29,.28) 100%);
}

.lab-launchpad-copy { width: min(100%, 820px); min-width: 0; }
.lab-launchpad .lab-kicker { color: var(--lab-green); }
.lab-launchpad h1 {
  max-width: 13ch;
  margin: 10px 0 0;
  color: var(--lab-white);
  font-family: var(--lab-heading);
  font-size: clamp(2.7rem, 5.8vw, 4.8rem);
  line-height: .98;
  letter-spacing: 0;
}
.lab-launchpad-copy > p { max-width: 650px; margin: 16px 0 0; color: rgba(255,255,255,.82); font-size: 1.05rem; line-height: 1.55; }

.lab-practice-modes { max-width: 760px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 24px; }
.lab-practice-modes a {
  min-width: 0;
  min-height: 76px;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 11px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--lab-radius);
  color: var(--lab-white);
  background: rgba(7,30,35,.74);
  text-decoration: none;
  backdrop-filter: blur(10px);
}
.lab-practice-modes a:hover, .lab-practice-modes a:focus-visible { border-color: var(--lab-green); background: rgba(12,53,47,.88); outline: 0; }
.lab-practice-modes i { width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; color: #073b29; background: var(--lab-green); }
.lab-practice-modes span, .lab-practice-modes strong, .lab-practice-modes small { min-width: 0; display: block; }
.lab-practice-modes strong { font-family: var(--lab-heading); font-size: .9rem; line-height: 1.25; }
.lab-practice-modes small { margin-top: 4px; overflow: hidden; color: rgba(255,255,255,.67); font-size: .75rem; text-overflow: ellipsis; white-space: nowrap; }

.lab-launchpad-trust { position: absolute; right: 20px; bottom: 18px; z-index: 1; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.lab-launchpad-trust span { display: inline-flex; align-items: center; gap: 6px; padding: 6px 9px; border: 1px solid rgba(255,255,255,.16); border-radius: var(--lab-radius); color: rgba(255,255,255,.78); background: rgba(5,24,29,.66); font-size: .72rem; font-weight: 700; }
.lab-launchpad-trust i { color: var(--lab-green); }

.lab-now-grid { min-width: 0; display: grid; grid-template-columns: minmax(300px,.85fr) minmax(420px,1.15fr); gap: 16px; margin: 16px 0 28px; }
.lab-continue-card { min-width: 0; padding: 24px; border: 1px solid var(--lab-line); border-left: 4px solid var(--lab-green); border-radius: var(--lab-radius); background: var(--lab-white); }
.lab-continue-card h2, .lab-section-heading h2 { margin: 5px 0 0; color: var(--lab-ink); font-family: var(--lab-heading); letter-spacing: 0; }
.lab-continue-card h2 { font-size: 1.45rem; line-height: 1.18; }
.lab-continue-card > p { margin: 8px 0 0; color: var(--lab-muted); line-height: 1.5; }
.lab-continue-note { min-height: 58px; display: grid; grid-template-columns: 28px minmax(0,1fr); gap: 9px; align-items: start; margin: 17px 0; padding: 12px; color: #29463d; background: var(--lab-paper); line-height: 1.45; }
.lab-continue-note i { width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; color: var(--lab-green-dark); }

.lab-featured-rooms { min-width: 0; }
.lab-section-heading { min-width: 0; display: flex; align-items: end; justify-content: space-between; gap: 14px; margin: 1px 0 10px; }
.lab-section-heading h2 { font-size: 1.2rem; }
.lab-text-button { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 6px; padding: 7px 0; border: 0; color: var(--lab-green-dark); background: transparent; cursor: pointer; font-size: .78rem; font-weight: 800; }
.lab-featured-list { display: grid; gap: 7px; }
.lab-featured-room { min-width: 0; display: grid; grid-template-columns: 42px minmax(0,1fr) auto; gap: 11px; align-items: center; padding: 12px 14px; border: 1px solid var(--lab-line); border-radius: var(--lab-radius); color: var(--lab-ink); background: var(--lab-white); text-decoration: none; }
.lab-featured-room:hover, .lab-featured-room:focus-visible { border-color: rgba(8,115,69,.45); background: #f9fcfa; outline: 0; }
.lab-featured-room > span:nth-child(2), .lab-featured-room small, .lab-featured-room strong, .lab-featured-room em { min-width: 0; display: block; }
.lab-featured-room small { color: var(--lab-green-dark); font-size: .72rem; font-style: normal; font-weight: 800; text-transform: uppercase; }
.lab-featured-room strong { margin-top: 1px; font-family: var(--lab-heading); font-size: .9rem; }
.lab-featured-room em { margin-top: 3px; overflow: hidden; color: var(--lab-muted); font-size: .74rem; font-style: normal; text-overflow: ellipsis; white-space: nowrap; }
.lab-featured-room > i { color: var(--lab-green-dark); }

.is-lab-authenticated .lab-footer { display: none; }

.lab-welcome {
  position: relative;
  min-height: clamp(330px, 36vw, 470px);
  display: flex;
  align-items: center;
  padding: clamp(28px, 5vw, 62px);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 8px;
  overflow: hidden;
  color: var(--lab-white);
  isolation: isolate;
  background: #07161b;
  box-shadow: 0 24px 70px rgba(16, 40, 47, .2);
}

.lab-welcome::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url("/images/lab-hero-rehearsal-desk-v2.png") 58% center / cover no-repeat;
  filter: brightness(1.28) saturate(1.08);
  transform: scale(1.01);
}

.lab-welcome::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(7, 22, 27, .82) 0%, rgba(7, 22, 27, .58) 35%, rgba(7, 22, 27, .05) 76%),
    linear-gradient(180deg, rgba(7, 22, 27, 0) 58%, rgba(7, 22, 27, .24) 100%);
  pointer-events: none;
}

.lab-welcome-copy {
  position: relative;
  z-index: 1;
  width: min(100%, 610px);
  min-width: 0;
}

.lab-kicker { color: var(--lab-green-dark); font-family: var(--lab-heading); font-size: .7rem; font-weight: 800; text-transform: uppercase; }
.lab-welcome .lab-kicker { color: var(--lab-green); }
.lab-kicker b {
  margin-left: 9px;
  padding: 3px 7px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  color: rgba(255,255,255,.74);
  font-size: .72rem;
}
.lab-welcome h1, .lab-toolbar h2 { margin: 4px 0 5px; color: var(--lab-ink); font-family: var(--lab-heading); letter-spacing: 0; }
.lab-welcome h1 {
  max-width: 11ch;
  margin-top: 10px;
  color: var(--lab-white);
  font-size: clamp(2.7rem, 7vw, 5.4rem);
  line-height: .94;
  letter-spacing: -0.02em;
}
.lab-welcome p {
  max-width: 600px;
  margin: 18px 0 0;
  color: rgba(255,255,255,.82);
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  line-height: 1.55;
}
.lab-primary-actions {
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-top: 26px;
}

.lab-hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 22px;
}

.lab-hero-points span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  color: rgba(255,255,255,.82);
  background: rgba(255,255,255,.06);
  font-family: var(--lab-heading);
  font-size: .75rem;
  font-weight: 800;
}

.lab-hero-points i { color: var(--lab-green); }

.lab-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 18px 0 26px;
  border: 1px solid var(--lab-line);
  border-radius: var(--lab-radius);
  background: var(--lab-white);
}

.lab-metrics > div { min-width: 0; padding: 15px 18px; border-right: 1px solid var(--lab-line); }
.lab-metrics > div:last-child { border-right: 0; }
.lab-metrics span, .lab-metrics strong { display: block; }
.lab-metrics span { color: var(--lab-muted); font-size: .76rem; }
.lab-metrics strong { margin-top: 2px; overflow: hidden; color: var(--lab-ink); font-family: var(--lab-heading); font-size: 1.25rem; text-overflow: ellipsis; white-space: nowrap; }
.lab-metrics > div:last-child strong { font-size: .9rem; }

.lab-return-loop {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: -8px 0 24px;
}

.lab-return-loop article {
  min-width: 0;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 13px;
  border: 1px solid var(--lab-line);
  border-radius: var(--lab-radius);
  background:
    linear-gradient(135deg, rgba(49,208,130,.11), rgba(25,143,155,.07)),
    var(--lab-white);
}

.lab-return-loop i {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #073f28;
  background: rgba(49,208,130,.16);
}

.lab-return-loop strong,
.lab-return-loop span {
  display: block;
  min-width: 0;
}

.lab-return-loop strong {
  color: var(--lab-ink);
  font-family: var(--lab-heading);
  font-size: .86rem;
}

.lab-return-loop span {
  margin-top: 2px;
  color: var(--lab-muted);
  font-size: .78rem;
  line-height: 1.35;
}

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

.lab-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 14px; }
.lab-toolbar h2 { font-size: 1.35rem; }

.lab-search {
  width: min(100%, 310px);
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 12px;
  border: 1px solid var(--lab-line);
  border-radius: var(--lab-radius);
  color: var(--lab-muted);
  background: var(--lab-white);
}
.lab-search:focus-within { border-color: var(--lab-green-dark); box-shadow: 0 0 0 3px rgba(49,208,130,.14); }
.lab-search input { width: 100%; min-width: 0; border: 0; outline: 0; color: var(--lab-ink); background: transparent; }

.lab-content-grid { min-width: 0; display: grid; grid-template-columns: minmax(360px, .9fr) minmax(420px, 1.1fr); gap: 16px; align-items: start; }
.lab-collection, .lab-detail { min-width: 0; border: 1px solid var(--lab-line); border-radius: var(--lab-radius); background: var(--lab-white); }
.lab-collection { display: grid; align-content: start; overflow: hidden; }
.lab-detail { position: sticky; top: 84px; min-height: 440px; max-height: calc(100vh - 104px); overflow-y: auto; }

.lab-item {
  width: 100%;
  min-width: 0;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 16px;
  border: 0;
  border-bottom: 1px solid var(--lab-line);
  color: var(--lab-ink);
  background: transparent;
  cursor: pointer;
  text-align: left;
}
.lab-item:last-child { border-bottom: 0; }
.lab-item:hover { background: var(--lab-paper); }
.lab-item.is-selected { background: rgba(49,208,130,.1); box-shadow: inset 3px 0 var(--lab-green); }
.lab-item-icon, .lab-partner-avatar, .lab-auth-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--lab-cyan);
  background: rgba(25,143,155,.11);
  border-radius: 50%;
}
.lab-item-icon { width: 42px; height: 42px; }
.lab-item.is-report .lab-item-icon { color: #a23f34; background: rgba(239,118,102,.13); }
.lab-item-main { min-width: 0; }
.lab-item-top { display: flex; justify-content: space-between; gap: 12px; }
.lab-item h3 { min-width: 0; margin: 0; overflow: hidden; font-family: var(--lab-heading); font-size: .9rem; text-overflow: ellipsis; white-space: nowrap; }
.lab-item time { flex: 0 0 auto; color: var(--lab-muted); font-size: .72rem; }
.lab-item p { margin: 5px 0 0; color: var(--lab-muted); font-size: .84rem; line-height: 1.45; }
.lab-item-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.lab-tag { padding: 3px 6px; border-radius: 3px; color: var(--lab-green-dark); background: rgba(49,208,130,.12); font-size: .72rem; font-weight: 700; }
.lab-tag.is-neutral { color: var(--lab-muted); background: var(--lab-mist); }
.lab-item-chevron { margin-top: 12px; color: #91a3a8; }

.lab-empty, .lab-loading-state, .lab-detail-empty, .lab-error-state { min-height: 300px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 9px; padding: 30px; color: var(--lab-muted); text-align: center; }
.lab-empty i, .lab-loading-state i, .lab-detail-empty > i, .lab-error-state i { color: var(--lab-cyan); font-size: 1.4rem; }
.lab-empty h3, .lab-detail-empty h3, .lab-error-state h3 { margin: 5px 0 0; color: var(--lab-ink); font-family: var(--lab-heading); font-size: 1rem; }
.lab-empty p, .lab-detail-empty p, .lab-error-state p { max-width: 370px; margin: 0; line-height: 1.5; }

.lab-detail-header { padding: 20px; border-bottom: 1px solid var(--lab-line); }
.lab-detail-heading { display: flex; gap: 13px; align-items: start; }
.lab-detail-heading .lab-item-icon { flex: 0 0 42px; }
.lab-detail h2 { margin: 2px 0 4px; color: var(--lab-ink); font-family: var(--lab-heading); font-size: 1.15rem; letter-spacing: 0; }
.lab-detail-subtitle { margin: 0; color: var(--lab-muted); font-size: .82rem; }
.lab-detail-actions { margin-top: 16px; flex-wrap: wrap; }
.lab-detail-body { padding: 20px; }
.lab-detail-section + .lab-detail-section { margin-top: 22px; padding-top: 19px; border-top: 1px solid var(--lab-line); }
.lab-detail-section h3 { margin: 0 0 11px; color: var(--lab-ink); font-family: var(--lab-heading); font-size: .85rem; }
.lab-direction { padding: 13px 14px; border-left: 3px solid var(--lab-green); color: var(--lab-ink); background: var(--lab-paper); line-height: 1.55; }

.lab-transcript { display: grid; gap: 10px; }
.lab-message { max-width: 88%; padding: 11px 13px; border-radius: var(--lab-radius); background: var(--lab-paper); }
.lab-message.is-actor { margin-left: auto; color: #073c27; background: rgba(49,208,130,.13); }
.lab-message strong { display: block; margin-bottom: 3px; color: var(--lab-muted); font-family: var(--lab-heading); font-size: .72rem; text-transform: uppercase; }
.lab-message p { margin: 0; line-height: 1.5; white-space: pre-wrap; }

.lab-score-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.lab-score { padding: 11px; border: 1px solid var(--lab-line); border-radius: var(--lab-radius); background: var(--lab-paper); }
.lab-score span, .lab-score strong { display: block; }
.lab-score span { overflow: hidden; color: var(--lab-muted); font-size: .7rem; text-overflow: ellipsis; white-space: nowrap; }
.lab-score strong { margin-top: 3px; color: var(--lab-cyan); font-family: var(--lab-heading); font-size: 1.2rem; }
.lab-tips { margin: 0; padding-left: 18px; color: var(--lab-muted); }
.lab-tips li + li { margin-top: 7px; }

.lab-partner-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--lab-line); }
.lab-partner {
  min-width: 0;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 18px;
  background: var(--lab-white);
}
.lab-partner-avatar { width: 44px; height: 44px; color: #073f28; background: rgba(49,208,130,.16); font-family: var(--lab-heading); font-size: .8rem; font-weight: 800; }
.lab-partner-main { min-width: 0; }
.lab-partner h3 { margin: 0; font-family: var(--lab-heading); font-size: .9rem; }
.lab-partner p { min-height: 42px; margin: 5px 0 12px; color: var(--lab-muted); font-size: .8rem; line-height: 1.4; }
.lab-partner .lab-button { min-height: 34px; padding: 7px 10px; }

.lab-auth-state {
  min-height: calc(100vh - 74px);
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--lab-paper);
}
.lab-auth-state[hidden] { display: none; }
.lab-auth-state > div { max-width: 520px; padding: 40px; border: 1px solid var(--lab-line); border-radius: var(--lab-radius); background: var(--lab-white); text-align: center; }
.lab-auth-icon { width: 48px; height: 48px; margin-bottom: 16px; color: var(--lab-green-dark); background: rgba(49,208,130,.14); }
.lab-auth-state h1 { margin: 8px 0; font-family: var(--lab-heading); font-size: 1.7rem; letter-spacing: 0; }
.lab-auth-state p { margin: 0 0 22px; color: var(--lab-muted); line-height: 1.6; }

.lab-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(16px, 3vw, 34px);
  border-top: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.72);
  background: var(--lab-night);
}

.lab-footer p {
  max-width: 520px;
  margin: 8px 0 0;
}

.lab-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

.lab-footer a {
  color: inherit;
  font-family: var(--lab-heading);
  font-size: .84rem;
  font-weight: 800;
  text-decoration: none;
}

.lab-footer a:hover { color: var(--lab-green); }

@keyframes lab-shimmer { to { background-position: -220% 0; } }

@media (max-width: 1120px) {
  .lab-header { grid-template-columns: auto minmax(0, 1fr) auto; gap: 14px; }
  .lab-main-nav { gap: 12px; }
  .lab-main-nav a { font-size: .78rem; }
  .lab-app { grid-template-columns: 238px minmax(0, 1fr); }
  .lab-content-grid { grid-template-columns: minmax(320px, .85fr) minmax(380px, 1.15fr); }
}

@media (max-width: 880px) {
  .lab-header { grid-template-columns: auto minmax(0, 1fr) auto; padding: 0 15px; }
  .lab-menu-toggle { grid-column: 3; display: grid; justify-self: end; order: 3; }
  .lab-main-nav {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    display: none;
    grid-template-columns: 1fr;
    gap: 2px;
    padding: 10px 15px 16px;
    border-bottom: 1px solid rgba(255,255,255,.12);
    background: rgba(9, 26, 31, .98);
  }
  .lab-main-nav.is-open { display: grid; }
  .lab-main-nav a {
    min-height: 42px;
    display: flex;
    align-items: center;
    padding: 0 10px;
    border-radius: var(--lab-radius);
    font-size: .92rem;
  }
  .lab-main-nav a:hover,
  .lab-main-nav a[aria-current="page"] {
    background: rgba(49,208,130,.12);
  }
  .lab-header-actions .lab-button { display: none; }
  .lab-header .lab-icon-link { display: inline-flex; }
  .lab-app { display: block; }
  .lab-sidebar { display: none; }
  .lab-workspace { padding: 18px 15px 40px; }
  .lab-now-grid { grid-template-columns: 1fr; }
  .lab-mobile-tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 18px; border: 1px solid var(--lab-line); border-radius: var(--lab-radius); overflow: hidden; background: var(--lab-white); }
  .lab-mobile-tabs button { min-width: 0; min-height: 42px; padding: 7px 4px; border: 0; border-right: 1px solid var(--lab-line); color: var(--lab-muted); background: transparent; font-family: var(--lab-heading); font-size: .72rem; font-weight: 800; }
  .lab-mobile-tabs button:last-child { border-right: 0; }
  .lab-mobile-tabs button.is-active { color: #073f28; background: rgba(49,208,130,.15); }
  .lab-content-grid { grid-template-columns: 1fr; }
  .lab-detail { position: static; min-height: 320px; max-height: none; }
}

@media (max-width: 640px) {
  .lab-header { min-height: 66px; }
  .lab-main-nav { top: 66px; }
  .lab-brand { font-size: 1.15rem; }
  .lab-launchpad { min-height: 0; align-items: stretch; padding: 26px 18px 74px; }
  .lab-launchpad::before { background-position: 60% center; filter: brightness(1.08) saturate(1.02); }
  .lab-launchpad::after { background: linear-gradient(180deg, rgba(5,24,29,.88) 0%, rgba(5,24,29,.78) 62%, rgba(5,24,29,.9) 100%); }
  .lab-launchpad h1 { max-width: 11ch; font-size: clamp(2.45rem, 12vw, 3.25rem); line-height: 1; }
  .lab-launchpad-copy > p { font-size: .96rem; }
  .lab-practice-modes { grid-template-columns: 1fr; margin-top: 20px; }
  .lab-practice-modes a { min-height: 68px; padding: 10px 12px; }
  .lab-launchpad-trust { right: auto; bottom: 17px; left: 18px; justify-content: flex-start; }
  .lab-now-grid { margin: 14px 0 24px; }
  .lab-continue-card { padding: 20px 18px; }
  .lab-section-heading { align-items: start; }
  .lab-section-heading h2 { max-width: 13ch; }
  .lab-featured-room { padding: 11px 12px; }
  .lab-featured-room em { max-width: 220px; }
  .lab-welcome {
    min-height: 430px;
    align-items: flex-end;
    padding: 28px 18px;
  }
  .lab-welcome::before {
    background-position: 56% center;
    filter: brightness(1.36) saturate(1.08);
  }
  .lab-welcome::after {
    background: linear-gradient(180deg, rgba(7, 22, 27, .02) 0%, rgba(7, 22, 27, .38) 42%, rgba(7, 22, 27, .82) 100%);
  }
  .lab-welcome h1 { max-width: 8ch; font-size: clamp(2.5rem, 16vw, 4.2rem); }
  .lab-welcome p { font-size: 1rem; }
  .lab-primary-actions { justify-content: stretch; }
  .lab-primary-actions .lab-button { flex: 1 1 145px; }
  .lab-hero-points { gap: 7px; }
  .lab-hero-points span { font-size: .7rem; }
  .lab-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lab-metrics > div:nth-child(2) { border-right: 0; }
  .lab-metrics > div:nth-child(-n+2) { border-bottom: 1px solid var(--lab-line); }
  .lab-toolbar { align-items: stretch; flex-direction: column; }
  .lab-search { width: 100%; }
  .lab-return-loop { grid-template-columns: 1fr; margin-top: -10px; }
  .lab-item { grid-template-columns: 38px minmax(0, 1fr); padding: 14px 12px; }
  .lab-item-icon { width: 38px; height: 38px; }
  .lab-item-chevron { display: none; }
  .lab-partner-grid { grid-template-columns: 1fr; }
  .lab-score-row { grid-template-columns: 1fr; }
  .lab-auth-state > div { padding: 28px 20px; }
  .lab-footer { display: grid; }
  .lab-footer nav { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .lab-skeleton { animation: none; }
}
.lab-confirmation {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px auto 0;
  padding: 13px 16px;
  max-width: 1180px;
  border: 1px solid rgba(32, 199, 122, 0.35);
  border-radius: 6px;
  background: #eafaf2;
  color: #123b2c;
}

.lab-confirmation[hidden] { display: none; }
.lab-confirmation > i { color: #168b53; }
.lab-confirmation span { flex: 1; }
.lab-confirmation button {
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  min-width: 36px;
  min-height: 36px;
}