:root {
  /* Base tokens (espelhados de src/theme/colors.ts) */
  --forest900: #0e2a24;
  --forest800: #12332d;
  --forest700: #18443b;
  --forest600: #1f564b;
  --forest400: #3d9179;
  --forest300: #5bad92;

  --paper50: #f3efe9;
  --paper100: #efe9df;
  --paper200: #e6ded2;

  --brass600: #b08d57;
  --earth600: #5b4634;

  --danger: #8a3d32;

  /* Light theme defaults (app-like) */
  color-scheme: light;
  --bg-solid: var(--paper50);
  --bg-grad-from: var(--paper50);
  --bg-grad-to: var(--paper100);

  --text-primary: var(--forest900);
  --text-secondary: var(--forest700);
  --text-muted: var(--earth600);

  --card-bg: rgba(239, 233, 223, 0.86);
  --card-border: rgba(14, 42, 36, 0.12);
  --card-shadow: 0 16px 42px rgba(14, 42, 36, 0.14);

  --btn-primary-bg: var(--forest600);
  --btn-primary-text: rgba(243, 239, 233, 0.98);
  --btn-secondary-bg: rgba(243, 239, 233, 0.75);
  --btn-secondary-text: var(--forest900);
  --btn-border: rgba(14, 42, 36, 0.12);

  --focus-ring: rgba(61, 145, 121, 0.32);

  /* Vignette / lights (similar to SaravafyScreen) */
  --vignette: rgba(14, 42, 36, 0.1);
  --light-brass-opacity: 0.06;
  --light-paper-opacity: 0.45;
  --light-tint-opacity: 0.12;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg-solid: var(--forest900);
    --bg-grad-from: var(--forest800);
    --bg-grad-to: var(--forest900);

    --text-primary: rgba(243, 239, 233, 0.96);
    --text-secondary: rgba(243, 239, 233, 0.8);
    --text-muted: rgba(243, 239, 233, 0.62);

    --card-bg: rgba(18, 51, 45, 0.68);
    --card-border: rgba(243, 239, 233, 0.12);
    --card-shadow: 0 18px 50px rgba(0, 0, 0, 0.42);

    --btn-primary-bg: var(--forest300);
    --btn-primary-text: rgba(14, 42, 36, 0.96);
    --btn-secondary-bg: rgba(18, 51, 45, 0.62);
    --btn-secondary-text: rgba(243, 239, 233, 0.92);
    --btn-border: rgba(243, 239, 233, 0.12);

    --focus-ring: rgba(139, 201, 179, 0.28);

    --vignette: rgba(0, 0, 0, 0.25);
    --light-brass-opacity: 0.08;
    --light-paper-opacity: 0.04;
    --light-tint-opacity: 0.14;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg-solid);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* Background stack (app-like gradient + lights + tint + vignette) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(
      circle at 88% -10%,
      rgba(176, 141, 87, var(--light-brass-opacity)) 0%,
      rgba(176, 141, 87, 0) 62%
    ),
    radial-gradient(
      circle at -10% -10%,
      rgba(239, 233, 223, var(--light-paper-opacity)) 0%,
      rgba(239, 233, 223, 0) 60%
    ),
    radial-gradient(
      circle at -18% -18%,
      rgba(31, 86, 75, 0.24) 0%,
      rgba(31, 86, 75, 0) 54%
    ),
    radial-gradient(
      circle at 95% 120%,
      rgba(91, 70, 52, 0.08) 0%,
      rgba(91, 70, 52, 0) 55%
    ),
    linear-gradient(140deg, var(--bg-grad-from) 0%, var(--bg-grad-to) 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(
    circle at 50% 35%,
    rgba(0, 0, 0, 0) 0%,
    var(--vignette) 72%
  );
}

.container {
  max-width: 520px;
  margin: 0 auto;
  padding: 28px 16px 32px;
}

h1 {
  font-size: 22px;
  margin: 0 0 8px;
  line-height: 1.15;
  letter-spacing: 0.1px;
  font-weight: 900;
}

p {
  margin: 8px 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.45;
}

.meta {
  font-size: 13px;
  color: var(--text-muted);
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 16px;
  margin-top: 16px;
  box-shadow: var(--card-shadow);
}

.row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
}

button {
  appearance: none;
  border: 1px solid var(--btn-border);
  border-radius: 14px;
  padding: 12px 14px;
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0.1px;
  cursor: pointer;
  transition: transform 120ms ease, opacity 120ms ease;
}

button:active {
  transform: translateY(1px);
}

button:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 4px var(--focus-ring);
}

button:disabled {
  opacity: 0.58;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}

.btn-secondary {
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
}

.notice {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.small {
  font-size: 12px;
  color: var(--text-muted);
}

.error {
  color: var(--danger);
}