:root {
  --stone: #F2F0EB;
  --card: #FFFFFF;
  --graphite: #1E2430;
  --graphite-rgb: 30, 36, 48;
  --moss: #4C7A5E;
  --gold: #C9A227;
  --gold-soft: rgba(201, 162, 39, 0.10);
  --clay: #B5573A;
  --hairline: #D8D4CB;
  --muted: #6B7280;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Dark theme — deliberately warm charcoal, no blue in the mix (a saturated blue here was rejected in an earlier design pass for reading as "dark mode in light theme"). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --stone: #1C1B19;
    --card: #26241F;
    --graphite: #EDEAE2;
    --graphite-rgb: 237, 234, 226;
    --moss: #6FA687;
    --gold: #D9BE5C;
    --gold-soft: rgba(217, 190, 92, 0.12);
    --clay: #D0805F;
    --hairline: #3A3730;
    --muted: #A39C8C;
  }
}

:root[data-theme="dark"] {
  --stone: #1C1B19;
  --card: #26241F;
  --graphite: #EDEAE2;
  --graphite-rgb: 237, 234, 226;
  --moss: #6FA687;
  --gold: #D9BE5C;
  --gold-soft: rgba(217, 190, 92, 0.12);
  --clay: #D0805F;
  --hairline: #3A3730;
  --muted: #A39C8C;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--stone);
  color: var(--graphite);
  transition: background-color 0.15s ease, color 0.15s ease;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
}

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0 0 0.5rem;
}

h1 { font-size: 1.75rem; letter-spacing: -0.01em; }
h2 { font-size: 1.1rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 2.5rem; }

a { color: var(--graphite); }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
}

.top-bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--graphite);
}

.top-bar-right { display: flex; align-items: center; gap: 1rem; }

.theme-toggle {
  background: none;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  width: 2.1rem;
  height: 2.1rem;
  line-height: 1;
  cursor: pointer;
  font-size: 1rem;
  color: var(--graphite);
}
.theme-toggle.fixed { position: fixed; top: 1.25rem; right: 1.25rem; }

.logout-form button, .back-link {
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0;
  text-decoration: none;
}
.logout-form button:hover, .back-link:hover { color: var(--graphite); }

.roster {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.roster-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
}

.roster-row .name { font-weight: 600; }
.roster-row .status { font-size: 0.85rem; }
.roster-row .spark { flex-shrink: 0; }
.roster-row .spark svg { display: block; }

.status-dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  margin-right: 0.4rem;
  vertical-align: middle;
}
.status-moss { background: var(--moss); }
.status-gold { background: var(--gold); }
.status-clay { background: var(--clay); }
.status-neutral { background: var(--hairline); }

.text-moss { color: var(--moss); }
.text-gold { color: var(--gold); }
.text-clay { color: var(--clay); }
.text-neutral { color: var(--muted); }

.hero {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 1.5rem;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 0.25rem 0 1rem;
}

.hero-chart { width: 100%; height: auto; }

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.tile { padding: 1rem; }
.tile .label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.tile .value { font-family: var(--font-mono); font-size: 1.4rem; margin-top: 0.25rem; }

table { border-collapse: collapse; width: 100%; margin-top: 0.5rem; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--hairline); }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
td.mono, th.mono { text-align: right; }

.ask-form textarea {
  width: 100%;
  min-height: 4.5rem;
  margin-top: 0.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  resize: vertical;
}

.ask-form button, .login-button {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.7rem 1.4rem;
  background: var(--graphite);
  color: var(--stone);
  border: none;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
}

.analysis-answer {
  background: var(--stone);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-top: 1rem;
  white-space: pre-wrap;
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  text-align: center;
  max-width: 320px;
}

.login-card h1 { font-size: 2rem; }
.login-card p { color: var(--muted); margin-bottom: 1.5rem; }
.login-error { color: var(--clay); margin-top: 1rem; font-size: 0.9rem; }

.empty-state { color: var(--muted); padding: 1rem 0; }

.app-shell {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.sidebar {
  flex: 0 0 260px;
  position: sticky;
  top: 2rem;
}

.sidebar .roster-row {
  padding: 0.6rem;
}

.main-content {
  flex: 1;
  min-width: 0;
}

@media (max-width: 720px) {
  .app-shell { flex-direction: column; }
  .sidebar { position: static; flex-basis: auto; width: 100%; }
}

.roster-row.active {
  border-color: var(--graphite);
}

/* Landing page: full-bleed sections (background spans the viewport),
   inner content constrained to a readable measure — different pattern
   from the app's narrow `.page` column, appropriate for a public
   marketing page viewed on wide screens. */

.landing-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--stone) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}
.landing-topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.landing-cta-small { padding: 0.5rem 1.1rem; font-size: 0.85rem; margin: 0; }

.landing-hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 1.5rem 4rem;
  text-align: center;
}

.landing-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  pointer-events: none;
}
.landing-hero-bg svg { width: 100%; max-width: 1400px; height: 100%; }

.landing-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.landing-hero h1 {
  font-size: 3rem;
  line-height: 1.1;
  margin: 0 0 1.25rem;
}

.landing-subhead {
  color: var(--muted);
  font-size: 1.2rem;
  margin: 0 0 2rem;
}

.landing-features-section {
  padding: 1rem 1.5rem 4rem;
}

.landing-features {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.landing-features h2 {
  margin-top: 0;
  text-transform: none;
  letter-spacing: normal;
  font-size: 1.05rem;
  color: var(--graphite);
}

.landing-features p { color: var(--muted); font-size: 0.9rem; margin: 0; }

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.landing-how {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.landing-how ol {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.landing-how li {
  display: flex;
  gap: 1rem;
  align-items: baseline;
}

.landing-how .step-label {
  font-family: var(--font-mono);
  color: var(--gold);
  flex-shrink: 0;
  width: 2rem;
}

.landing-diff {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem 1.5rem 4rem;
}

.landing-diff table {
  margin-top: 1.5rem;
}

.landing-diff td, .landing-diff th {
  vertical-align: top;
}

.landing-footer {
  border-top: 1px solid var(--hairline);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.entrar-main {
  min-height: calc(100vh - 73px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}

.entrar-inner {
  width: 100%;
  max-width: 760px;
  text-align: center;
}

.entrar-inner h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin: 1rem 0 0.5rem;
}

.entrar-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
  text-align: left;
}

.entrar-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  padding: 1.75rem;
  color: var(--graphite);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.entrar-card:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
}
.entrar-card-athlete:hover {
  border-color: var(--moss);
}

.entrar-badge {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.entrar-badge-gold { background: var(--gold-soft); color: var(--gold); }
.entrar-badge-moss { background: rgba(76, 122, 94, 0.14); color: var(--moss); }

.entrar-card h2 { font-size: 1.3rem; font-weight: 500; margin: 0 0 0.5rem; }
.entrar-card p { color: var(--muted); font-size: 0.9rem; line-height: 1.5; margin: 0 0 1.25rem; }

.entrar-route {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 0.85rem;
}

.google-button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.65rem 1.1rem;
  border-radius: 9px;
  background: var(--gold);
  color: #1C1B19;
}
.google-button-outline {
  background: var(--card);
  border: 1px solid var(--hairline);
  color: var(--graphite);
}

@keyframes limFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes limRise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.landing-hero-bg {
  animation: limFloat 9s ease-in-out infinite;
}

.landing-hero-inner > * {
  animation: limRise 0.6s ease both;
}
.landing-hero-inner h1 { animation-delay: 0.05s; }
.landing-hero-inner .landing-subhead { animation-delay: 0.12s; }
.landing-hero-inner .login-button { animation-delay: 0.18s; }

.landing-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  margin-bottom: 1.5rem;
}

@media (prefers-reduced-motion: reduce) {
  .landing-hero-bg,
  .landing-hero-inner > * {
    animation: none;
  }
}

.landing-chart-demo {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
}

.landing-chart-demo-inner { padding: 1.75rem; }

.landing-chart-demo-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 0.5rem;
}
.landing-chart-demo-header h3 { margin: 0 0 0.25rem; font-size: 1.3rem; }
.landing-chart-demo-header p { color: var(--muted); font-size: 0.9rem; margin: 0; max-width: 460px; }

.landing-chart-legend {
  display: flex;
  gap: 1rem;
  font-size: 0.7rem;
  color: var(--muted);
}
.landing-chart-legend span { display: flex; align-items: center; gap: 0.4rem; }

.landing-chart-demo-svg-wrap { position: relative; width: 100%; }

.landing-chart-tooltip {
  position: absolute;
  pointer-events: none;
  transform: translate(-50%, -115%);
  background: var(--graphite);
  color: var(--stone);
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  font-size: 0.7rem;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.tsb-tooltip-day { font-size: 0.75rem; margin-bottom: 0.3rem; }
.tsb-tooltip-vals { display: flex; gap: 0.85rem; }

.landing-chart-legend-lines {
  display: flex;
  gap: 1.4rem;
  margin-top: 0.85rem;
  font-size: 0.7rem;
  color: var(--muted);
}
.legend-line { display: inline-block; width: 16px; vertical-align: middle; margin-right: 0.4rem; }
.legend-line-solid { height: 3px; background: var(--gold); }
.legend-line-dashed { height: 0; border-top: 2px dashed var(--clay); }

.landing-diff-highlight { background: var(--gold-soft); }
.landing-diff-legend { color: var(--muted); font-size: 0.75rem; margin-top: 0.75rem; }

.landing-faq {
  max-width: 760px;
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
}

.landing-faq-list { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1.5rem; }

.landing-faq-item {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 0;
  overflow: hidden;
}
.landing-faq-item summary {
  cursor: pointer;
  padding: 1rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  list-style: none;
}
.landing-faq-item summary::-webkit-details-marker { display: none; }
.landing-faq-item summary::after { content: '+'; float: right; color: var(--gold); font-family: var(--font-mono); }
.landing-faq-item[open] summary::after { content: '\2212'; }
.landing-faq-item p { padding: 0 1.25rem 1.1rem; color: var(--muted); font-size: 0.9rem; line-height: 1.6; margin: 0; }

.landing-cta-final { padding: 1rem 1.5rem 4rem; }
.landing-cta-final-inner {
  max-width: 780px;
  margin: 0 auto;
  background: var(--graphite);
  border-radius: 20px;
  padding: 3.5rem 2.5rem;
  text-align: center;
}
.landing-cta-final-inner h2 { color: var(--stone); font-size: clamp(1.6rem, 3.5vw, 2.2rem); }
.landing-cta-final-inner p { color: var(--muted); max-width: 480px; margin: 0 auto 1.5rem; }

.landing-footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  text-align: left;
}
.landing-footer-brand { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; margin-bottom: 0.5rem; color: var(--graphite); }
.landing-footer-inner p { color: var(--muted); font-size: 0.85rem; line-height: 1.5; margin: 0; }
.landing-footer-meta { font-size: 0.75rem; color: var(--muted); line-height: 1.6; }
.landing-footer-legal {
  max-width: 1120px;
  margin: 1.75rem auto 0;
  font-size: 0.7rem;
  line-height: 1.5;
  color: var(--muted);
  border-top: 1px solid var(--hairline);
  padding-top: 1.25rem;
}

.invite-card {
  margin-bottom: 1.5rem;
}

.invite-url {
  word-break: break-all;
}