/* ============================================
   login.css — Стили страницы авторизации EdWord
   ============================================ */

/* --- Фон страницы с градиентом --- */
.login-page {
  padding-top: 6rem;
  padding-bottom: 3rem;
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(160deg, var(--surface) 0%, #f0f0f0 40%, rgba(198, 243, 17, 0.05) 100%);
  overflow: hidden;
}

/* Декоративный SVG-паттерн (звуковые волны) за карточкой */
.login-page::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='400' fill='none'%3E%3Cg opacity='0.06' stroke='%23000' stroke-width='1.5'%3E%3Cpath d='M100 200 Q150 120 200 200 Q250 280 300 200 Q350 120 400 200 Q450 280 500 200'/%3E%3Cpath d='M80 200 Q140 100 200 200 Q260 300 320 200 Q380 100 440 200 Q500 300 520 200'/%3E%3Cpath d='M120 200 Q160 150 200 200 Q240 250 280 200 Q320 150 360 200 Q400 250 440 200 Q480 150 520 200'/%3E%3Cpath d='M60 200 Q130 80 200 200 Q270 320 340 200 Q410 80 480 200 Q540 320 560 200'/%3E%3Cpath d='M140 200 Q170 170 200 200 Q230 230 260 200 Q290 170 320 200 Q350 230 380 200 Q410 170 440 200 Q470 230 500 200'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  pointer-events: none;
  z-index: 0;
}

.login-card {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  padding: 2.5rem 2rem 2rem;
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  position: relative;
  z-index: 1;
  animation: login-fade-up 0.5s ease-out;
}

@keyframes login-fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-card__title {
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: var(--headline-lg);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.login-card__text {
  font-size: var(--body-md);
  color: var(--on-surface-variant);
  line-height: 1.5;
  margin-bottom: 1.75rem;
}

.login-card__text strong {
  color: var(--on-surface);
  font-weight: 600;
}

/* Блок ошибки авторизации */
.login-card__error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #991b1b;
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  font-size: var(--body-sm);
  line-height: 1.5;
  word-break: break-word;
}

/* Контейнер способа входа с бейджем */
.login-method {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

/* Бейдж «Последний вход» */
.last-used-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(198, 243, 17, 0.15);
  border: 1px solid rgba(198, 243, 17, 0.4);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  letter-spacing: 0.02em;
}

/* Кнопка Яндекс — основная CTA */
.yandex-login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  background: #000;
  color: #fff;
  font-size: var(--body-md);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  text-decoration: none;
}

a.yandex-login-btn:hover {
  background: #444;
  color: #fff;
}

.yandex-login-btn svg {
  flex-shrink: 0;
}

/* Разделитель "или" */
.login-card__divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.25rem 0;
  color: var(--on-surface-variant);
  font-size: var(--body-sm);
}

.login-card__divider::before,
.login-card__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--ghost-border);
}

/* Контейнер для Telegram Widget */
.login-card__widget {
  display: flex;
  justify-content: center;
  min-height: 48px;
  margin-bottom: 1.5rem;
}

/* Фичи — inline компактные */
.login-card__features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--ghost-border);
  font-size: var(--body-sm);
  color: var(--on-surface-variant);
}

.login-features__dot {
  color: var(--on-surface-variant);
  opacity: 0.5;
}

/* Ссылка назад */
.login-card__back {
  display: inline-block;
  font-size: var(--body-sm);
  color: var(--on-surface-variant);
  transition: color var(--transition-fast);
}

.login-card__back:hover {
  color: var(--on-surface);
}

/* --- Адаптивность --- */
@media (max-width: 767px) {
  .login-page {
    padding-top: 5rem;
    padding-bottom: 2.5rem;
    min-height: auto;
  }

  .login-page::before {
    width: 100%;
    height: 300px;
  }

  .login-card {
    padding: 2rem 1.5rem 1.5rem;
  }

  .login-card__title {
    font-size: var(--headline-md);
  }
}