/* ============================================================
   AUTH-СТРАНИЦА
   ============================================================ */
body {
  padding: 48px 16px 72px;
}

h1 {
  margin: 0 0 10px;
  text-align: center;
  font-size: clamp(26px, 5vw, 38px);
  letter-spacing: -.5px;
}

.lead { text-align: center; }

.auth-wrap {
  max-width: 440px;
  margin: 0 auto;
}

.auth-head { margin-bottom: 26px; }

/* Заголовок в одну строку: уменьшаем кегль и запрещаем перенос */
.auth-head h1 {
  font-size: clamp(18px, 5.8vw, 28px);
  white-space: nowrap;
  letter-spacing: -.3px;
}

.auth-card { padding: 24px; }

/* Табы «Вход / Регистрация» */
.auth-tabs {
  display: flex;
  gap: 5px;
  background: #12161f;
  border: 1px solid var(--border);
  padding: 5px;
  border-radius: var(--r-md);
  margin-bottom: 22px;
}
.auth-tabs button {
  flex: 1;
  border: 0;
  background: 0;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: var(--t-fast);
}
.auth-tabs button:hover { color: var(--text); }
.auth-tabs button.active {
  background: var(--grad-accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}

/* Форма */
.auth-form { display: flex; flex-direction: column; }
.auth-form .field-group:last-of-type { margin-bottom: var(--s-5); }
.auth-form .btn { width: 100%; }

.field-group {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  margin-bottom: var(--s-4);
}
.field-group > label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}
.field-group .help {
  font-size: 12px;
  color: var(--faint);
}

/* Поле пароля с глазком */
.pass-wrap { position: relative; }
.pass-wrap input { padding-right: 48px; }

.pass-toggle {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 0;
  background: transparent;
  color: var(--muted);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: var(--t-fast);
}
.pass-toggle:hover { background: #252c3d; color: var(--text); }
.pass-toggle[aria-pressed="true"] { color: var(--accent-soft); }
.pass-toggle svg { display: block; }
.pass-toggle .ico-eye-off { display: none; }
.pass-toggle[aria-pressed="true"] .ico-eye { display: none; }
.pass-toggle[aria-pressed="true"] .ico-eye-off { display: block; }

/* Блок ошибки */
.form-error {
  display: none;
  align-items: flex-start;
  gap: 8px;
  margin: 0 0 var(--s-4);
  padding: 10px 13px;
  font-size: 13px;
  line-height: 1.45;
  border-radius: var(--r-md);
  background: var(--neg-bg);
  border: 1px solid var(--neg-border);
  color: var(--neg-soft);
  word-break: break-word;
  animation: shake .28s ease;
}
.form-error.show { display: flex; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25%      { transform: translateX(-4px); }
  75%      { transform: translateX(4px); }
}

/* Подвал карточки */
.auth-foot {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin: 18px 0 0;
}
.link-btn {
  border: 0;
  background: 0;
  padding: 0;
  font: inherit;
  font-weight: 600;
  color: var(--accent-soft);
  cursor: pointer;
  transition: var(--t-fast);
}
.link-btn:hover { color: #fff; text-decoration: underline; }

@media (max-width: 520px) {
  body { padding-top: 32px; }
  .auth-card { padding: 18px; }
  .auth-tabs button { font-size: 13px; padding: 9px 8px; }
}