/* Support widget */
.support-fab,
.telegram-fab {
  position: fixed;
  right: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  z-index: 1000;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  -webkit-tap-highlight-color: transparent;
  /* Композит-слой — без него на document-level скролле (лендинг без
     внутреннего overflow-контейнера) iOS Safari/WKWebView иногда
     «отлепляет» fixed-элемент и рисует его в точке скролла (см. .topbar
     в base.html — тот же баг и фикс). */
  transform: translateZ(0);
  will-change: transform;
}

.support-fab {
  bottom: 24px;
  background: var(--fm-accent, #2563eb);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.45);
}

.telegram-fab {
  bottom: 88px;
  background: var(--icon-telegram, #2AABEE);
  color: #fff;
  box-shadow: 0 4px 20px rgba(42, 171, 238, 0.45);
}

.support-fab:hover,
.telegram-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.55);
}

.telegram-fab:hover {
  box-shadow: 0 6px 24px rgba(42, 171, 238, 0.55);
}

.support-fab:active,
.telegram-fab:active {
  transform: scale(0.95);
}

.support-popup {
  position: fixed;
  bottom: 88px;
  right: 24px;
  width: 320px;
  /* popup всегда светлый — переопределяем токены независимо от темы */
  --text: #0f172a;
  --text-secondary: #64748b;
  --input-bg: #f8fafc;
  --border: #e2e8f0;
  --card-bg: #ffffff;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  z-index: 1001;
  overflow: hidden;
  transform-origin: bottom right;
  transition: opacity 0.18s ease, transform 0.18s ease;
  /* См. .support-fab выше — тот же композит-слой против отлипания на iOS. */
  will-change: transform;
}

.support-popup[hidden] {
  display: none;
}

.support-popup.support-popup--entering {
  animation: sp-in 0.18s ease forwards;
}

@keyframes sp-in {
  from { opacity: 0; transform: scale(0.92) translateY(8px); }
  to   { opacity: 1; transform: scale(1)    translateY(0); }
}

.support-popup__header {
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border, #e2e8f0);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.support-popup__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text, #0f172a);
  margin: 0;
}

.support-popup__subtitle {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  margin: 2px 0 0;
}

.support-popup__close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary, #94a3b8);
  font-size: 18px;
  line-height: 1;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

.support-popup__body {
  padding: 14px 16px 16px;
}

.support-popup__label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  margin-bottom: 4px;
}

.support-popup__input,
.support-popup__textarea {
  width: 100%;
  box-sizing: border-box;
  background: var(--input-bg, #f8fafc);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--text, #0f172a);
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
  resize: none;
}

.support-popup__input {
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.support-popup__input:focus,
.support-popup__textarea:focus {
  border-color: var(--fm-accent, #2563eb);
}

.support-popup__field {
  margin-bottom: 12px;
}

.support-popup__submit {
  background: var(--fm-accent, #2563eb);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 9px 13px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.15s;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
  align-self: flex-end;
}

.support-popup__submit:disabled {
  opacity: 0.55;
  cursor: default;
}

.support-popup__error {
  font-size: 12px;
  color: var(--metric-neg, #ef4444);
  margin-top: 6px;
}

.support-popup__error[hidden] {
  display: none;
}

/* ── Chat thread ── */
.support-thread {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
  padding: 4px 0 8px;
}

.support-bubble {
  max-width: 80%;
  padding: 8px 11px;
  font-size: 13px;
  line-height: 1.4;
  border-radius: 14px;
  white-space: pre-wrap;
  word-break: break-word;
}

.support-bubble.is-visitor {
  align-self: flex-end;
  background: var(--fm-accent, #2f6bff);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.support-bubble.is-admin {
  align-self: flex-start;
  background: rgba(120, 130, 150, .18);
  color: var(--text, #0f172a);
  border-bottom-left-radius: 4px;
}

.support-composer {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.support-composer .support-popup__textarea {
  flex: 1;
}

.support-email-hint {
  margin: 4px 0 8px;
}

.support-toast {
  position: fixed;
  bottom: 90px;
  right: 24px;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--metric-pos, #22c55e);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  z-index: 1002;
  pointer-events: none;
  animation: toast-in 0.18s ease forwards;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 374px) {
  .support-popup {
    width: calc(100vw - 32px);
    right: 16px;
    bottom: 80px;
  }
  .support-fab {
    bottom: 16px;
    right: 16px;
  }
  .telegram-fab {
    bottom: 80px;
    right: 16px;
  }
}