:root {
  /* backgrounds */
  --color-concrete: #EBEBEB;
  --color-pale-concrete: #F2F2F0;
  --color-cool-concrete: #E4E4E2;
  --color-marzipan: #F6E48E;
  --color-mac-and-cheese: #FFBF75;

  /* greens */
  --color-conifer: #BADB57;
  --color-apple: #69AF4B;

  /* neutrals */
  --color-ink: #1A1A1A;
  --color-charcoal: #2F2F2F;
  --color-slate: #6B6B6B;
  --color-stone: #9A9A9A;
  --color-divider: #D0D0D0;
  --color-off-white: #FAFAF8;

  /* accent — use max 2–3 times per page */
  --color-salmon: #FF7A7A;

  /* typography */
  --font-sans: 'Space Grotesk', 'Neue Haas Grotesk', system-ui, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  /* radius */
  --radius: 6px;

  /* borders */
  --border: 1px solid var(--color-divider);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  background: var(--color-concrete);
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background: var(--color-concrete);
}

a {
  color: var(--color-ink);
  text-decoration: underline;
}

a:hover {
  color: var(--color-charcoal);
}

input[type="text"],
input[type="password"] {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  border: var(--border);
  border-radius: var(--radius);
  padding: 0.55rem 0.75rem;
  background: var(--color-off-white);
  color: var(--color-ink);
  outline: none;
  transition: border-color 0.15s;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: var(--color-ink);
}

input::placeholder {
  color: var(--color-stone);
}

.btn-primary {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--color-ink);
  color: var(--color-off-white);
  border: none;
  border-radius: var(--radius);
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary:hover {
  background: var(--color-charcoal);
}

.btn-ghost {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  background: transparent;
  color: var(--color-slate);
  border: var(--border);
  border-radius: var(--radius);
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.btn-ghost:hover {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

.wordmark {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

/* ── Auth pages ──────────────────────────────────────────── */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-concrete);
  padding: 1rem;
}

.auth-card {
  background: var(--color-off-white);
  border: var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 360px;
}

.auth-card .wordmark {
  display: block;
  text-align: center;
  margin-bottom: 1.75rem;
  font-size: 1.5rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.auth-form .field-group input {
  width: 100%;
}

.auth-form .btn-primary {
  width: 100%;
  margin-top: 0.25rem;
}

.auth-error {
  font-size: 0.85rem;
  color: var(--color-salmon);
  background: rgba(255, 122, 122, 0.06);
  border: 1px solid var(--color-salmon);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
}

.auth-link {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-slate);
}