/* ── Auth page ── */

.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 24px;
}

.auth-card {
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.auth-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
}

.auth-brand .brand-icon {
  width: 44px;
  height: 44px;
  color: var(--brand);
}

.auth-brand .brand-name {
  font-family: var(--font-brand);
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.auth-tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 28px;
}

.auth-tab {
  flex: 1;
  background: none;
  border: none;
  padding: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-subtle);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}

.auth-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.auth-field input {
  padding: 10px 12px;
  border: 1.5px solid var(--border-strong);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.15s;
}

.auth-field input:focus {
  border-color: var(--accent);
}

.auth-error {
  color: var(--danger);
  font-size: 0.88rem;
  background: var(--danger-soft);
  border: 1px solid var(--danger);
  border-radius: 6px;
  padding: 8px 12px;
  margin: 0;
}

.auth-submit {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

.auth-submit:hover:not(:disabled) {
  background: var(--accent-hover);
}

.auth-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.auth-submit.danger {
  background: var(--danger);
}

.auth-submit.danger:hover:not(:disabled) {
  background: var(--danger-hover);
}