:root {
  color-scheme: light dark;
  --background: #FFFFFF;
  --on-background: #0B0D10;
  --on-background-secondary: #58616C;
  --surface: #F2F3F5;
  --surface-elevated: #E5E8EB;
  --label: #0B0D10;
  --label-secondary: #555E69;
  --separator: #DEE1E5;
  --panel: #111418;
  --panel-elevated: #22272E;
  --on-panel: #F5F6F8;
  --on-panel-secondary: #A9B2BD;
  --accent: #FF2D78;
  --on-accent: #0B0D10;
  --accent-text: #C40F4E;
  --zone-1: #8E98A6;
  --zone-2: #3BA8FF;
  --zone-3: #27D17A;
  --zone-4: #FFB21F;
  --zone-5: #FF6A1A;
  --on-zone: #0B0D10;
  --notice: #9A5800;
}
@media (prefers-color-scheme: dark) {
  :root {
  --background: #0A0C0F;
  --on-background: #F5F6F8;
  --on-background-secondary: #A2ABB6;
  --surface: #15181D;
  --surface-elevated: #20252B;
  --label: #F5F6F8;
  --label-secondary: #A2ABB6;
  --separator: #272C33;
  --panel: #171B21;
  --panel-elevated: #262C34;
  --on-panel: #F5F6F8;
  --on-panel-secondary: #A9B2BD;
  --accent: #FF2D78;
  --on-accent: #0B0D10;
  --accent-text: #FF5C95;
  --zone-1: #8E98A6;
  --zone-2: #3BA8FF;
  --zone-3: #27D17A;
  --zone-4: #FFB21F;
  --zone-5: #FF6A1A;
  --on-zone: #0B0D10;
  --notice: #FFB21F;
  }
}
/* Estilo das páginas públicas, no mundo "Zona de esforço": página limpa, um painel escuro
   com o traço de esforço e as 5 zonas, e a letra larga do treino (Archivo Expanded) nos
   títulos. Os tokens vêm da paleta da app. */
@font-face {
  font-family: "Archivo Expanded";
  src: url("/fonts/ArchivoExpanded-ExtraBold.woff") format("woff");
  font-weight: 800;
  font-display: swap;
}

@font-face {
  font-family: "Archivo Expanded";
  src: url("/fonts/ArchivoExpanded-Black.woff") format("woff");
  font-weight: 900;
  font-display: swap;
}

* {
  box-sizing: border-box;
}

::selection {
  background: var(--accent);
  color: var(--on-accent);
}

body {
  margin: 0;
  background: var(--background);
  color: var(--label);
  padding: 16px;
  font:
    17px/1.55 -apple-system,
    BlinkMacSystemFont,
    "SF Pro Text",
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    sans-serif;
  -webkit-text-size-adjust: 100%;
  caret-color: var(--accent-text);
}

.page {
  max-width: 720px;
  margin: 8px auto 32px;
  padding: 8px 4px 40px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--label);
  font-family: "Archivo Expanded", system-ui, sans-serif;
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}

a {
  color: var(--accent-text);
  font-weight: 600;
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: 3px solid var(--accent-text);
  outline-offset: 3px;
  border-radius: 6px;
}

.lang {
  padding: 10px 4px; /* alvo de toque confortável */
}

h1,
h2 {
  font-family: "Archivo Expanded", system-ui, sans-serif;
  color: var(--label);
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 7vw, 44px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

h2 {
  margin: 40px 0 8px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
}

.card h2 {
  margin-top: 0;
  font-size: 17px;
}

p {
  margin: 0 0 14px;
  max-width: 65ch;
}

.lead {
  color: var(--label-secondary);
  font-size: 20px;
}

.muted {
  color: var(--label-secondary);
  font-size: 15px;
}

/* O painel da página principal: sempre escuro, com o traço de esforço do exemplo, os dois
   números (o previsto a cair para o real) e a frase da app */
.panel {
  display: grid;
  gap: 14px;
  margin: 0 0 32px;
  padding: 28px 24px 24px;
  border-radius: 24px;
  background: var(--panel);
  color: var(--on-panel);
}

.panel .trace {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

/* A cor do real vem da zona do valor do exemplo (classe zone-N no painel, de render.ts) */
.panel.zone-1 {
  --actual-zone: var(--zone-1);
}
.panel.zone-2 {
  --actual-zone: var(--zone-2);
}
.panel.zone-3 {
  --actual-zone: var(--zone-3);
}
.panel.zone-4 {
  --actual-zone: var(--zone-4);
}
.panel.zone-5 {
  --actual-zone: var(--zone-5);
}

.panel .trace path {
  fill: none;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.panel .trace .predicted {
  stroke: var(--on-panel-secondary);
  stroke-width: 0.8;
  stroke-dasharray: 1.6 2;
}

.panel .trace .actual {
  stroke: var(--actual-zone);
  stroke-width: 1.5;
}

.panel .fear {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 4px 0 0;
  font-family: "Archivo Expanded", system-ui, sans-serif;
  font-size: clamp(40px, 11vw, 64px);
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--on-panel-secondary);
}

.panel .fear .to {
  font-size: 0.6em;
}

.panel .fear .actual {
  color: var(--actual-zone);
}

.panel figcaption {
  color: var(--on-panel);
  font-size: 17px;
}

.card {
  margin: 16px 0;
  padding: 18px 20px;
  border-radius: 20px;
  background: var(--surface);
}

.card p:last-child {
  margin-bottom: 0;
}

/* Aviso de disponibilidade: texto, sem forma de botão (ainda não há para onde ir) */
.availability {
  margin-top: 24px;
  color: var(--label-secondary);
  font-weight: 600;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--separator);
  color: var(--label-secondary);
  font-size: 15px;
}