.auth-wrapper {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.auth-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 2.5rem 2.25rem;
  width: 100%;
  max-width: 400px;
}

.auth-card h1 {
  font-family: 'Fredoka', sans-serif;
  margin: 0 0 1.75rem;
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

/* ── Form fields ───────────────────────────────────────────── */
.form-field {
  margin-bottom: 1.1rem;
}

.form-field label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.form-field input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: 'Nunito', sans-serif;
  font-weight: 600;
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-field input:focus {
  border-color: var(--btn-blue);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

/* ── Submit buttons ────────────────────────────────────────── */
.btn-submit {
  display: block;
  width: 100%;
  padding: 0.8rem;
  margin-top: 0.75rem;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.975rem;
  font-weight: 800;
  font-family: 'Nunito', sans-serif;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.15s, opacity 0.15s;
  letter-spacing: 0.02em;
}

/* Primary — blue gradient */
.btn-submit.blue {
  background: var(--btn-gradient);
  color: #fff;
}

.btn-submit.blue:hover {
  background: var(--btn-gradient-hover);
  transform: translateY(-1px);
}

/* Primary — green gradient (register) */
.btn-submit.green {
  background: linear-gradient(180deg, #4ade80 0%, #16a34a 100%);
  color: #fff;
}

.btn-submit.green:hover {
  background: linear-gradient(180deg, #22c55e 0%, #15803d 100%);
  transform: translateY(-1px);
}

/* ── Footer link ───────────────────────────────────────────── */
.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 600;
}

.auth-footer a {
  color: var(--btn-blue);
  text-decoration: none;
  font-weight: 700;
}

.auth-footer a:hover { text-decoration: underline; }