:root {
  --ink: #0a1514;
  --ink-soft: #52615e;
  --mist: #effaf7;
  --paper: rgba(255, 255, 255, .82);
  --white: #fff;
  --aqua: #48e0cd;
  --aqua-dark: #087f73;
  --line: rgba(10, 21, 20, .13);
  --danger: #d95c50;
  --amber: #d8a733;
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow: 0 30px 90px rgba(29, 72, 66, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--mist);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
button { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }

.ambient {
  position: fixed;
  pointer-events: none;
  z-index: -1;
  border-radius: 50%;
  filter: blur(18px);
  opacity: .64;
}
.ambient-one { width: 48vw; height: 48vw; right: -13vw; top: -22vw; background: radial-gradient(circle, #62ebd9 0, rgba(98,235,217,0) 70%); }
.ambient-two { width: 36vw; height: 36vw; left: 10vw; bottom: -25vw; background: radial-gradient(circle, #b5f5eb 0, rgba(181,245,235,0) 70%); }

.wordmark {
  color: var(--ink);
  font: 700 42px/1 Georgia, "Times New Roman", serif;
  letter-spacing: -3px;
  text-decoration: none;
}
.eyebrow {
  margin: 0 0 18px;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .2em;
  text-transform: uppercase;
}

/* Private entrance */
.auth-shell {
  width: min(1260px, calc(100% - 48px));
  min-height: 100vh;
  margin: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(380px, .82fr);
  align-items: center;
  gap: clamp(56px, 9vw, 150px);
  padding: 52px 0;
}
.auth-brand h1 {
  margin: 42px 0 28px;
  max-width: 740px;
  font: 500 clamp(58px, 7.2vw, 108px)/.9 Georgia, "Times New Roman", serif;
  letter-spacing: -.075em;
}
.auth-brand .eyebrow { margin-top: 18px; }
.auth-intro { max-width: 590px; color: var(--ink-soft); font-size: 19px; line-height: 1.65; }
.auth-proof { display: flex; gap: 28px; margin-top: 54px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 11px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.glass-panel { background: var(--paper); border: 1px solid rgba(255,255,255,.95); box-shadow: var(--shadow); backdrop-filter: blur(28px); }
.auth-panel { border-radius: var(--radius-xl); padding: 44px; }
.auth-panel h2 { margin: 0 0 30px; font: 500 38px/1.05 Georgia, serif; letter-spacing: -.045em; }
.auth-tabs { display: flex; gap: 8px; padding: 5px; margin-bottom: 42px; border: 1px solid var(--line); border-radius: 999px; }
.auth-tab { flex: 1; border: 0; border-radius: 999px; background: transparent; padding: 11px; cursor: pointer; font-weight: 700; font-size: 13px; }
.auth-tab.active { background: var(--ink); color: white; }
.field { display: grid; gap: 9px; margin-bottom: 17px; }
.field > span { font-size: 11px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
input, select, textarea {
  width: 100%;
  min-height: 52px;
  padding: 13px 15px;
  color: var(--ink);
  background: rgba(255,255,255,.74);
  border: 1px solid var(--line);
  border-radius: 13px;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--aqua-dark); box-shadow: 0 0 0 3px rgba(72,224,205,.16); }
.primary-button, .secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 52px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 760;
  letter-spacing: .04em;
}
.primary-button { background: var(--ink); color: white; }
.primary-button:hover { background: #18312e; transform: translateY(-1px); }
.primary-button:disabled { opacity: .45; cursor: wait; }
.secondary-button { background: transparent; }
.secondary-button:hover { background: rgba(255,255,255,.74); }
.full { width: 100%; margin-top: 10px; }
.form-error { min-height: 20px; color: var(--danger); font-size: 13px; }
.privacy-note { margin: 23px 0 0; color: var(--ink-soft); font-size: 11px; line-height: 1.55; text-align: center; }
.privacy-note a, .consent-list a { color: inherit; text-decoration-color: var(--aqua-dark); text-underline-offset: 3px; }
.consent-list { display: grid; gap: 10px; padding: 4px 0; }
.consent-list label { display: grid; grid-template-columns: 18px 1fr; gap: 9px; align-items: start; color: var(--ink-soft); font-size: 11px; line-height: 1.45; }
.consent-list input { margin-top: 2px; accent-color: var(--ink); }

/* Product shell */
.app-shell { min-height: 100vh; }
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 256px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 38px 30px 30px;
  background: rgba(247,253,251,.72);
  border-right: 1px solid var(--line);
  backdrop-filter: blur(22px);
  z-index: 10;
}
.side-edition { margin: 10px 0 0; color: var(--ink-soft); font-size: 9px; letter-spacing: .15em; text-transform: uppercase; }
.main-nav { display: grid; gap: 5px; margin: auto 0; }
.nav-item { display: flex; align-items: center; gap: 17px; padding: 13px 12px; border: 0; border-radius: 13px; background: transparent; cursor: pointer; text-align: left; font-weight: 650; }
.nav-item span { color: #86918f; font-size: 9px; letter-spacing: .12em; }
.nav-item:hover { background: rgba(255,255,255,.66); }
.nav-item.active { background: var(--ink); color: #fff; }
.nav-item.active span { color: var(--aqua); }
.side-footer { border-top: 1px solid var(--line); padding-top: 20px; }
.mini-user { display: flex; align-items: center; gap: 12px; }
.mini-user > span, .avatar-button { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--aqua); font: 700 17px Georgia, serif; }
.mini-user div { display: grid; gap: 2px; }
.mini-user strong { font-size: 12px; }
.mini-user small { color: var(--ink-soft); font-size: 10px; }
.text-button { margin-top: 16px; padding: 0; border: 0; background: none; color: var(--ink-soft); cursor: pointer; font-size: 11px; text-decoration: underline; text-underline-offset: 3px; }
.mobile-header, .mobile-nav { display: none; }
#main-content { min-height: 100vh; margin-left: 256px; padding: 44px clamp(34px, 5vw, 82px) 80px; }
.content-wrap { width: min(1180px, 100%); margin: 0 auto; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 42px; }
.page-head h1 { margin: 8px 0 0; font: 500 clamp(46px, 5vw, 76px)/.95 Georgia, serif; letter-spacing: -.065em; }
.page-head-copy { max-width: 620px; }
.page-head p { color: var(--ink-soft); line-height: 1.6; }
.date-chip, .status-chip { display: inline-flex; align-items: center; gap: 8px; padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; font-size: 10px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.status-chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 0 4px rgba(72,224,205,.17); }

.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(290px, .75fr); gap: 20px; }
.card { position: relative; overflow: hidden; background: rgba(255,255,255,.78); border: 1px solid rgba(255,255,255,.96); border-radius: var(--radius-lg); box-shadow: 0 15px 54px rgba(24,80,71,.07); }
.scores-card { padding: 30px; }
.card-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.card-heading h2 { margin: 0; font: 500 24px Georgia, serif; letter-spacing: -.025em; }
.card-kicker { color: var(--ink-soft); font-size: 10px; font-weight: 750; letter-spacing: .13em; text-transform: uppercase; }
.score-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 13px; }
.score-item { min-width: 0; text-align: center; }
.score-ring {
  --score: 0;
  --ring-color: var(--aqua);
  width: min(108px, 100%);
  aspect-ratio: 1;
  margin: auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--ring-color) calc(var(--score) * 1%), rgba(10,21,20,.08) 0);
  position: relative;
}
.score-ring::before { content: ""; position: absolute; inset: 8px; border-radius: 50%; background: #f9fdfc; }
.score-ring strong { position: relative; font: 500 clamp(21px, 2.5vw, 32px) Georgia, serif; }
.score-item h3 { margin: 12px 0 3px; font-size: 10px; line-height: 1.25; letter-spacing: .08em; text-transform: uppercase; }
.score-item small { color: var(--ink-soft); font-size: 9px; }

.formula-card { min-height: 392px; padding: 30px; color: #f6fffd; background: #0b1716; }
.formula-glow { position: absolute; width: 290px; height: 290px; right: -90px; bottom: -100px; border-radius: 50%; background: radial-gradient(circle, rgba(72,224,205,.68), rgba(72,224,205,0) 70%); }
.formula-card .card-kicker { color: #8eb1aa; }
.formula-card h2 { position: relative; max-width: 280px; margin: 78px 0 14px; font: 500 47px/.93 Georgia, serif; letter-spacing: -.055em; }
.formula-card p { position: relative; max-width: 300px; color: #aec4c0; line-height: 1.55; font-size: 13px; }
.formula-card footer { position: absolute; inset: auto 30px 28px; display: flex; justify-content: space-between; align-items: center; }
.formula-card footer span { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.formula-mark { width: 48px; height: 62px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.35); border-radius: 6px; color: var(--aqua); font: 600 20px Georgia, serif; transform: rotate(6deg); }

.wide-card { grid-column: 1 / -1; padding: 30px; }
.cycle-line { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 25px; }
.cycle-step { position: relative; padding: 19px 16px 0 0; border-top: 1px solid var(--line); }
.cycle-step::before { content: ""; position: absolute; top: -5px; width: 9px; height: 9px; border-radius: 50%; background: #b7c2c0; }
.cycle-step.done::before, .cycle-step.active::before { background: var(--aqua-dark); }
.cycle-step.active::before { box-shadow: 0 0 0 6px rgba(72,224,205,.2); }
.cycle-step strong { display: block; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.cycle-step small { display: block; margin-top: 6px; color: var(--ink-soft); line-height: 1.4; }

.empty-hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); min-height: 510px; }
.empty-copy { padding: clamp(36px, 6vw, 76px); }
.empty-copy h2 { margin: 12px 0 24px; max-width: 650px; font: 500 clamp(48px, 6vw, 82px)/.93 Georgia, serif; letter-spacing: -.065em; }
.empty-copy p { max-width: 570px; color: var(--ink-soft); font-size: 17px; line-height: 1.7; }
.empty-visual { position: relative; min-height: 360px; background: #0b1716; overflow: hidden; }
.orb { position: absolute; inset: 50% auto auto 50%; width: 260px; aspect-ratio: 1; transform: translate(-50%,-50%); border-radius: 50%; border: 1px solid rgba(125,244,223,.4); box-shadow: inset 0 0 70px rgba(72,224,205,.28), 0 0 80px rgba(72,224,205,.2); }
.orb::before, .orb::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(125,244,223,.2); }
.orb::before { inset: 24px; }.orb::after { inset: 54px; background: rgba(72,224,205,.06); }
.orb-label { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%,-50%); z-index: 1; color: white; text-align: center; }
.orb-label strong { display: block; font: 500 52px Georgia, serif; }.orb-label small { color: #9cb8b3; letter-spacing: .18em; text-transform: uppercase; }

.action-list { display: grid; gap: 12px; }
.action-row { display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 15px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.46); }
.action-index { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: #dff8f2; font: 600 14px Georgia, serif; }
.action-row h3 { margin: 0 0 4px; font-size: 14px; }.action-row p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.45; }

.insight-layout, .devices-grid, .profile-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.metric-card, .device-card, .profile-card { padding: 27px; }
.metric-value { margin: 30px 0 8px; font: 500 62px/.9 Georgia, serif; letter-spacing: -.055em; }.metric-value span { color: var(--ink-soft); font-size: 20px; }
.meter { height: 5px; overflow: hidden; border-radius: 99px; background: rgba(10,21,20,.08); }.meter span { display: block; height: 100%; border-radius: inherit; background: var(--aqua-dark); }
.metric-card p, .device-card p, .profile-card p { color: var(--ink-soft); line-height: 1.55; font-size: 13px; }
.device-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.device-icon { width: 58px; height: 58px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 18px; font: 600 21px Georgia, serif; }
.device-state { color: var(--aqua-dark); font-size: 10px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.device-card h2 { margin: 26px 0 8px; font: 500 29px Georgia, serif; }
.device-card .primary-button, .device-card .secondary-button { margin-top: 20px; }
.button-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.danger-text { color: var(--danger); }
.danger-card { border-color: rgba(169, 67, 57, .22); }
.pairing-code { display: grid; gap: 5px; margin: 20px 0 4px; padding: 18px; border: 1px solid rgba(20, 117, 103, .22); border-radius: 17px; background: #e7faf5; }
.pairing-code span, .pairing-code small { color: var(--ink-soft); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.pairing-code strong { font: 500 34px/1 Georgia, serif; letter-spacing: .08em; }
.history-table { width: 100%; border-collapse: collapse; }.history-table th, .history-table td { padding: 16px 8px; border-bottom: 1px solid var(--line); text-align: left; font-size: 12px; }.history-table th { color: var(--ink-soft); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }

/* Questionnaire */
.questionnaire-shell { min-height: calc(100vh - 90px); display: grid; grid-template-rows: auto 1fr auto; }
.question-progress { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 20px; }
.progress-track { flex: 1; height: 3px; background: rgba(10,21,20,.1); }.progress-track span { display: block; height: 100%; background: var(--ink); transition: width .3s ease; }
.question-counter { font-size: 10px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.question-stage { display: grid; align-content: center; width: min(860px, 100%); margin: auto; padding: 38px 0; }
.question-section { margin-bottom: 20px; color: var(--aqua-dark); font-size: 10px; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.question-stage h1 { margin: 0 0 20px; font: 500 clamp(35px, 4.5vw, 58px)/1.04 Georgia, serif; letter-spacing: -.05em; }
.question-help { max-width: 720px; margin: 0 0 28px; color: var(--ink-soft); font-size: 14px; line-height: 1.55; }
.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.choice { position: relative; cursor: pointer; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice span { min-height: 66px; display: flex; align-items: center; gap: 12px; padding: 15px 17px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.54); font-size: 13px; line-height: 1.35; transition: .18s ease; }
.choice span::before { content: ""; flex: 0 0 16px; width: 16px; height: 16px; border: 1px solid #86918f; border-radius: 50%; }
.choice input:checked + span { border-color: var(--ink); background: var(--ink); color: white; transform: translateY(-1px); }
.choice input:checked + span::before { border-color: var(--aqua); background: var(--aqua); box-shadow: inset 0 0 0 4px var(--ink); }
.matrix { display: grid; gap: 22px; }.matrix-row { padding-bottom: 20px; border-bottom: 1px solid var(--line); }.matrix-row > strong { display: block; margin-bottom: 12px; font-size: 13px; }
.matrix .choice-grid { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }.matrix .choice span { min-height: 51px; padding: 10px; font-size: 11px; }
.compound { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }.compound-group { padding: 19px; border: 1px solid var(--line); border-radius: 17px; }.compound-group > strong { display: block; margin-bottom: 14px; }
.structured-list { display: grid; gap: 12px; }.structured-item { padding: 20px; border: 1px solid var(--line); border-radius: 17px; background: rgba(255,255,255,.5); }.structured-fields { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }.structured-fields label { display: grid; gap: 6px; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.question-footer { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-top: 20px; border-top: 1px solid var(--line); }
.question-error { color: var(--danger); font-size: 12px; text-align: center; }

.loading-state { min-height: 70vh; display: grid; place-items: center; align-content: center; gap: 16px; color: var(--ink-soft); }
.loader { width: 34px; height: 34px; border: 2px solid rgba(10,21,20,.13); border-top-color: var(--ink); border-radius: 50%; animation: spin .8s linear infinite; }
.toast { position: fixed; right: 28px; bottom: 28px; z-index: 50; max-width: 380px; padding: 15px 18px; border-radius: 14px; background: var(--ink); color: white; box-shadow: var(--shadow); font-size: 12px; line-height: 1.45; transform: translateY(130%); transition: transform .25s ease; }.toast.show { transform: translateY(0); }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1040px) {
  .score-grid { grid-template-columns: repeat(3, 1fr); row-gap: 22px; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .wide-card { grid-column: auto; }
  .formula-card { min-height: 360px; }
}
@media (max-width: 760px) {
  .ambient-one { width: 100vw; height: 100vw; right: -45vw; top: -35vw; }
  .auth-shell { width: min(100% - 28px, 560px); min-height: auto; grid-template-columns: 1fr; gap: 36px; padding: 28px 0 48px; }
  .auth-brand h1 { margin: 34px 0 20px; font-size: clamp(52px, 16vw, 78px); }
  .auth-brand .auth-proof { display: none; }.auth-intro { font-size: 15px; }.auth-panel { padding: 27px 20px; border-radius: 26px; }
  .sidebar { display: none; }.mobile-header { position: sticky; top: 0; z-index: 9; display: flex; align-items: center; justify-content: space-between; padding: 18px 20px 12px; background: rgba(239,250,247,.83); backdrop-filter: blur(18px); }.mobile-header .wordmark { font-size: 34px; }.avatar-button { border: 0; cursor: pointer; }
  #main-content { min-height: auto; margin: 0; padding: 20px 16px 105px; }.content-wrap { width: 100%; }
  .mobile-nav { position: fixed; inset: auto 12px 12px; z-index: 12; display: grid; grid-template-columns: repeat(5, 1fr); padding: 7px; border: 1px solid rgba(255,255,255,.9); border-radius: 21px; background: rgba(10,21,20,.92); backdrop-filter: blur(18px); box-shadow: 0 18px 50px rgba(10,21,20,.22); }.mobile-nav button { display: grid; justify-items: center; gap: 3px; border: 0; border-radius: 15px; padding: 7px 2px; background: transparent; color: #9fb2ae; }.mobile-nav button.active { background: rgba(125,244,223,.12); color: var(--aqua); }.mobile-nav span { font-size: 16px; }.mobile-nav small { font-size: 8px; }
  .page-head { display: block; margin-bottom: 28px; }.page-head h1 { font-size: 48px; }.page-head .date-chip { margin-top: 16px; }
  .scores-card, .formula-card, .wide-card, .metric-card, .device-card, .profile-card { padding: 22px; }.score-grid { grid-template-columns: repeat(3, 1fr); }.score-ring { max-width: 84px; }.score-ring::before { inset: 6px; }
  .cycle-line { grid-template-columns: 1fr; }.cycle-step { padding: 0 0 20px 25px; border-top: 0; border-left: 1px solid var(--line); }.cycle-step::before { top: 0; left: -5px; }
  .empty-hero { grid-template-columns: 1fr; }.empty-copy { padding: 34px 23px; }.empty-copy h2 { font-size: 48px; }.empty-visual { min-height: 320px; }
  .insight-layout, .devices-grid, .profile-grid { grid-template-columns: 1fr; }
  .choice-grid, .compound, .structured-fields { grid-template-columns: 1fr; }.question-stage { padding: 24px 0; align-content: start; }.question-stage h1 { font-size: 36px; }.question-footer .primary-button, .question-footer .secondary-button { min-height: 46px; padding: 0 15px; }.question-error { display: none; }
  .action-row { grid-template-columns: 35px 1fr; }.action-row .secondary-button { grid-column: 2; justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

.legal-page { width: min(820px, calc(100% - 40px)); margin: 0 auto; padding: 48px 0 80px; }
.legal-page h1 { margin: 42px 0 20px; font: 500 clamp(48px, 8vw, 78px)/.95 Georgia, serif; letter-spacing: -.06em; }
.legal-page h2 { margin: 38px 0 10px; font: 500 27px/1.1 Georgia, serif; }
.legal-page p { color: var(--ink-soft); font-size: 15px; line-height: 1.75; }
.legal-page .legal-lead { color: var(--ink); font-size: 18px; }
.legal-page a { color: var(--ink); text-underline-offset: 4px; }