/* Окно входа и регистрации. Всё внутри #authModal — общие стили сайта не затрагиваются.
   Цвета берутся из переменных сайта, поэтому тёмная тема подхватывается сама. */

#authModal {
  --sb-accent: var(--accent-color, #2487ce);
  --sb-accent-2: #6a5cf6;
  --sb-ink: var(--text-primary, #124265);
  --sb-muted: var(--text-muted, #6b7280);
  --sb-card: #ffffff;
  --sb-field: #f4f7fb;
  --sb-line: rgba(18, 66, 101, 0.12);
  --sb-shadow: 0 30px 80px -20px rgba(18, 66, 101, 0.45);
  --sb-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  font-family: 'Poppins', system-ui, sans-serif;
}
[data-theme="dark"] #authModal {
  --sb-card: #17203a;
  --sb-field: #10182c;
  --sb-line: rgba(255, 255, 255, 0.1);
  --sb-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.8);
  --sb-accent-2: #8b7cff;
}

#authModal .modal-dialog {
  max-width: 480px;
  transition: transform 0.35s var(--sb-ease);
}
#authModal.fade .modal-dialog {
  transform: translateY(18px) scale(0.98);
}
#authModal.show .modal-dialog {
  transform: none;
}

#authModal .sb-auth-card {
  overflow: hidden;
  border: 1px solid var(--sb-line);
  border-radius: 24px;
  background: var(--sb-card);
  color: var(--sb-ink);
  box-shadow: var(--sb-shadow);
}

/* Шапка */
#authModal .sb-auth-head {
  position: relative;
  flex-shrink: 0; /* в прокручиваемом окне шапка не должна сжиматься */
  overflow: hidden;
  padding: 26px 28px 34px;
  background:
    radial-gradient(120% 140% at 0% 0%, color-mix(in srgb, var(--sb-accent) 16%, transparent), transparent 60%),
    radial-gradient(120% 140% at 100% 0%, color-mix(in srgb, var(--sb-accent-2) 14%, transparent), transparent 60%);
  border-bottom: 1px solid var(--sb-line);
}
#authModal .sb-auth-grip {
  display: none;
}
#authModal .sb-auth-close {
  position: absolute;
  top: 16px;
  right: 16px;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--sb-line);
  border-radius: 50%;
  background: color-mix(in srgb, var(--sb-card) 70%, transparent);
  color: var(--sb-ink);
  font-size: 14px;
  transition: background 0.2s, transform 0.2s;
}
#authModal .sb-auth-close:hover {
  background: var(--sb-field);
  transform: rotate(90deg);
}
#authModal .sb-auth-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sb-muted);
}
#authModal .sb-auth-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18);
}
#authModal .sb-auth-title {
  margin: 0;
  padding-right: 44px;
  font-family: 'Montserrat', sans-serif;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--sb-ink);
}
#authModal .sb-auth-lead {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--sb-muted);
}

/* Эквалайзер внизу шапки — музыкальный мотив сайта */
#authModal .sb-auth-bars {
  position: absolute;
  inset: auto 0 0;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 18px;
  padding: 0 2px;
  opacity: 0.35;
  pointer-events: none;
}
#authModal .sb-auth-bars i {
  flex: 1;
  height: 30%;
  border-radius: 2px 2px 0 0;
  background: linear-gradient(to top, var(--sb-accent), var(--sb-accent-2));
  animation: sb-auth-eq 1.6s ease-in-out infinite alternate;
}
#authModal .sb-auth-bars i:nth-child(3n) { animation-duration: 1.1s; animation-delay: -0.4s; }
#authModal .sb-auth-bars i:nth-child(4n) { animation-duration: 1.9s; animation-delay: -0.9s; }
#authModal .sb-auth-bars i:nth-child(5n + 1) { animation-duration: 1.3s; animation-delay: -1.2s; }
#authModal .sb-auth-bars i:nth-child(7n + 2) { animation-duration: 0.9s; animation-delay: -0.2s; }
@keyframes sb-auth-eq {
  to { height: 100%; }
}

/* Тело */
#authModal .sb-auth-body {
  padding: 22px 28px 26px;
  scrollbar-width: thin;
}

/* Вход ↔ регистрация: плавное раскрытие по высоте */
#authModal .sb-auth-view {
  display: grid;
  grid-template-rows: 1fr;
  opacity: 1;
  transition: grid-template-rows 0.45s var(--sb-ease), opacity 0.35s ease 0.1s;
}
#authModal .sb-auth-view[data-collapsed] {
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 0.4s var(--sb-ease), opacity 0.2s ease;
}
#authModal .sb-auth-view > div {
  min-height: 0;
  overflow: hidden;
  /* запас, чтобы не обрезалась подсветка фокуса */
  margin: 0 -5px;
  padding: 0 5px 5px;
}
#authModal .sb-auth-view[data-collapsed] > div {
  padding-bottom: 0;
}

/* Поля */
#authModal .sb-auth-form {
  display: grid;
  gap: 16px;
}
#authModal .sb-auth-grid {
  grid-template-columns: 1fr 1fr;
}
#authModal .sb-auth-grid > * {
  grid-column: 1 / -1;
}
#authModal .sb-auth-grid > .sb-auth-field:not(.sb-auth-wide) {
  grid-column: auto;
}
#authModal .sb-auth-field {
  display: block;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}
#authModal .sb-auth-label {
  display: block;
  float: none;
  width: auto;
  margin: 0 0 7px;
  padding: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--sb-ink);
}
#authModal .sb-auth-label b {
  color: #e5484d;
  font-weight: 600;
}
#authModal .sb-auth-input {
  width: 100%;
  height: 50px;
  padding: 0 16px;
  border: 1.5px solid transparent;
  border-radius: 14px;
  background: var(--sb-field);
  color: var(--sb-ink);
  font: inherit;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
#authModal .sb-auth-input::placeholder {
  color: var(--sb-muted);
  opacity: 0.7;
}
#authModal .sb-auth-input:hover {
  border-color: var(--sb-line);
}
#authModal .sb-auth-input:focus {
  border-color: var(--sb-accent);
  background: var(--sb-card);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--sb-accent) 18%, transparent);
}
#authModal .sb-auth-input:user-invalid {
  border-color: #e5484d;
}
#authModal .sb-auth-hint {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--sb-muted);
}

/* Пароль с глазком */
#authModal .sb-auth-password {
  position: relative;
  display: block;
}
#authModal .sb-auth-password .sb-auth-input {
  padding-right: 52px;
}
#authModal .sb-auth-eye {
  position: absolute;
  top: 5px;
  right: 5px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--sb-muted);
  font-size: 17px;
  transition: color 0.2s, background 0.2s;
}
#authModal .sb-auth-eye:hover {
  color: var(--sb-ink);
  background: color-mix(in srgb, var(--sb-ink) 6%, transparent);
}

/* Телефон / мессенджер — переключатель-сегмент */
#authModal .sb-auth-segment {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: var(--sb-field);
}
#authModal .sb-auth-segment input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
#authModal .sb-auth-segment label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 10px 12px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--sb-muted);
  cursor: pointer;
  transition: background 0.25s, color 0.25s, box-shadow 0.25s;
}
#authModal .sb-auth-segment input:checked + label {
  background: var(--sb-card);
  color: var(--sb-accent);
  box-shadow: 0 2px 10px rgba(18, 66, 101, 0.12);
}
#authModal .sb-auth-segment input:focus-visible + label {
  outline: 2px solid var(--sb-accent);
  outline-offset: 2px;
}

/* Главная кнопка (класс auth-submit-btn нужен main.js) */
#authModal .sb-auth-submit {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  height: 54px;
  margin: 4px 0 0;
  padding: 0 24px;
  overflow: hidden;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--sb-accent), var(--sb-accent-2));
  background-size: 160% 100%;
  color: #fff;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  box-shadow: 0 12px 28px -12px color-mix(in srgb, var(--sb-accent) 80%, transparent);
  transition: background-position 0.4s var(--sb-ease), transform 0.15s, box-shadow 0.3s;
}
#authModal .sb-auth-submit::before {
  content: none;
}
#authModal .sb-auth-submit:hover {
  background-position: 100% 0;
  box-shadow: 0 16px 34px -12px color-mix(in srgb, var(--sb-accent-2) 80%, transparent);
  transform: none;
}
#authModal .sb-auth-submit:active {
  transform: scale(0.98);
}
#authModal .sb-auth-submit i {
  transition: transform 0.25s var(--sb-ease);
}
#authModal .sb-auth-submit:hover i {
  transform: translateX(3px);
}
#authModal .sb-auth-submit:disabled {
  opacity: 0.7;
}

/* «или» + соцсети */
#authModal .sb-auth-or {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 20px 0 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sb-muted);
}
#authModal .sb-auth-or::before,
#authModal .sb-auth-or::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--sb-line);
}
#authModal .sb-auth-social {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
#authModal .sb-auth-social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  border: 1.5px solid var(--sb-line);
  border-radius: 14px;
  background: transparent;
  color: var(--sb-ink);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
#authModal .sb-auth-social-btn:hover {
  border-color: color-mix(in srgb, var(--sb-accent) 50%, transparent);
  background: var(--sb-field);
}
#authModal .sb-auth-social-btn:active {
  transform: scale(0.98);
}
#authModal .sb-auth-social-btn.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Карточка «Впервые на сайте? Регистрация» */
#authModal .sb-auth-switch-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 20px;
  padding: 14px 14px 14px 18px;
  border: 1.5px dashed var(--sb-line);
  border-radius: 18px;
}
#authModal .sb-auth-switch-title {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--sb-ink);
}
#authModal .sb-auth-switch-text {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--sb-muted);
}
#authModal .sb-auth-ghost {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border: 1.5px solid var(--sb-line);
  border-radius: 999px;
  background: var(--sb-card);
  color: var(--sb-accent);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: border-color 0.2s, background 0.2s;
}
#authModal .sb-auth-ghost:hover {
  border-color: var(--sb-accent);
  background: color-mix(in srgb, var(--sb-accent) 8%, transparent);
}
#authModal .sb-auth-back {
  margin: 20px 0 0;
  text-align: center;
  font-size: 14px;
  color: var(--sb-muted);
}
#authModal .sb-auth-back button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--sb-accent);
  font: inherit;
  font-weight: 600;
}
#authModal .sb-auth-back button:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

#authModal .alert {
  margin-bottom: 16px;
  border-radius: 14px;
  font-size: 14px;
}
#authModal button:focus-visible,
#authModal a:focus-visible {
  outline: 2px solid var(--sb-accent);
  outline-offset: 2px;
}

/* Телефон: окно выезжает снизу, как шторка */
@media (max-width: 575.98px) {
  #authModal .modal-dialog {
    align-items: flex-end;
    min-height: 100%;
    max-width: none;
    margin: 0;
  }
  #authModal .modal-dialog-scrollable {
    height: 100%;
  }
  #authModal .modal-dialog-scrollable .modal-content {
    max-height: 92dvh;
  }
  #authModal.fade .modal-dialog {
    transform: translateY(100%);
  }
  #authModal.show .modal-dialog {
    transform: none;
  }
  #authModal .sb-auth-card {
    border-bottom: 0;
    border-radius: 24px 24px 0 0;
  }
  #authModal .sb-auth-grip {
    display: block;
    width: 40px;
    height: 4px;
    margin: -12px auto 16px;
    border-radius: 4px;
    background: var(--sb-line);
  }
  #authModal .sb-auth-head {
    padding: 22px 20px 30px;
  }
  #authModal .sb-auth-title {
    font-size: 23px;
  }
  #authModal .sb-auth-body {
    padding: 20px 20px calc(24px + env(safe-area-inset-bottom));
  }
  #authModal .sb-auth-grid {
    grid-template-columns: 1fr;
  }
  #authModal .sb-auth-grid > .sb-auth-field:not(.sb-auth-wide) {
    grid-column: 1 / -1;
  }
  #authModal .sb-auth-input {
    font-size: 16px; /* иначе iOS увеличивает страницу при фокусе */
  }
}

@media (prefers-reduced-motion: reduce) {
  #authModal .modal-dialog,
  #authModal .sb-auth-view,
  #authModal .sb-auth-view[data-collapsed] {
    transition: none;
  }
  #authModal .sb-auth-bars i {
    animation: none;
    height: 55%;
  }
}

/* Поля пароля в два столбца выравниваем по верху (подсказка есть только под первым) */
#authModal .sb-auth-grid {
  align-items: start;
}