/* Support chat widget — fixed left */

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.support-fab {
  position: fixed;
  left: 1rem;
  bottom: 1.25rem;
  z-index: 140;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 1rem 0.7rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}

.support-fab:hover {
  background: #fff;
  transform: translateY(-1px);
}

.support-fab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.support-fab-icon {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
}

.support-fab-icon svg {
  width: 1.1rem;
  height: 1.1rem;
}

.support-fab-label {
  font-size: 0.92rem;
  font-weight: 600;
}

.support-fab-badge {
  position: absolute;
  top: -0.15rem;
  right: -0.15rem;
  min-width: 1.15rem;
  height: 1.15rem;
  padding: 0 0.3rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1.15rem;
  text-align: center;
}

.support-panel {
  position: fixed;
  left: 1rem;
  bottom: 4.5rem;
  z-index: 141;
  width: min(22rem, calc(100vw - 2rem));
  height: min(28rem, calc(100vh - 7rem));
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  transform-origin: bottom left;
  animation: support-panel-in 0.22s var(--ease);
}

@keyframes support-panel-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.support-panel[hidden] {
  display: none !important;
}

.support-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fff 0%, var(--cream) 100%);
}

.support-panel-head h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.support-panel-close {
  width: 2rem;
  height: 2rem;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
}

.support-panel-close:hover {
  color: var(--ink);
  background: var(--paper-deep);
}

.support-messages {
  flex: 1;
  overflow-y: auto;
  padding: 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  background:
    radial-gradient(circle at 0% 0%, rgba(244, 213, 194, 0.35), transparent 45%),
    var(--cream);
}

.support-empty {
  margin: auto;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 16rem;
}

.support-bubble {
  max-width: 88%;
  padding: 0.65rem 0.8rem;
  border-radius: 14px;
  font-size: 0.92rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

.support-bubble-user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--accent-ink);
  border-bottom-right-radius: 4px;
}

.support-bubble-support {
  align-self: flex-start;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-bottom-left-radius: 4px;
}

.support-form {
  display: grid;
  gap: 0.35rem;
  padding: 0.75rem;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.support-compose {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  /* .support-form is a grid container; grid items default to min-width:
     auto, which locks this row to its content's natural width and lets it
     overflow the panel (clipping the send button) instead of shrinking. */
  min-width: 0;
}

.support-attach {
  flex-shrink: 0;
  width: 2.4rem;
  height: 2.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
  font-size: 1.05rem;
}

.support-attach:hover {
  border-color: var(--accent);
}

.support-file-name {
  margin: 0;
  min-width: 0;
  font-size: 0.78rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.support-file-name[hidden] {
  display: none !important;
}

.support-compose input[type="text"] {
  flex: 1;
  min-width: 0;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
}

.support-compose input[type="text"]:focus {
  outline: 2px solid rgba(226, 111, 78, 0.35);
  border-color: var(--accent);
}

.support-compose button[type="submit"] {
  flex-shrink: 0;
  padding: 0.65rem 0.95rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  cursor: pointer;
}

.support-bubble-attach {
  display: block;
  margin-top: 0.4rem;
  color: inherit;
  font-weight: 700;
  text-decoration: underline;
}

.support-bubble-image {
  display: block;
  max-width: 100%;
  margin-top: 0.45rem;
  border-radius: 8px;
}

.support-form input {
  flex: 1;
  min-width: 0;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
}

.support-form input:focus {
  outline: 2px solid rgba(226, 111, 78, 0.35);
  border-color: var(--accent);
}

.support-form button {
  flex-shrink: 0;
  padding: 0.65rem 0.95rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  cursor: pointer;
}

.support-form button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.support-status {
  margin: 0;
  padding: 0 0.75rem 0.55rem;
  font-size: 0.8rem;
  color: var(--err);
  background: var(--surface);
}

.support-status:empty,
.support-status[hidden] {
  display: none;
}

@media (max-width: 959px) {
  .support-fab {
    gap: 0;
    padding: 0.55rem;
    bottom: calc(
      var(--bottom-nav-offset, var(--bottom-nav-h, 4.15rem)) + var(--vv-bottom-inset, 0px) + 0.85rem
    );
  }

  .support-fab-label {
    display: none;
  }

  body.support-open .bottom-nav {
    bottom: 0;
  }

  body.support-open .support-fab {
    bottom: calc(var(--bottom-nav-offset, var(--bottom-nav-h, 4.15rem)) + 0.85rem);
  }

  .support-panel {
    left: 0.75rem;
    right: 0.75rem;
    width: auto;
    bottom: calc(
      var(--bottom-nav-offset, var(--bottom-nav-h, 4.15rem)) + var(--vv-bottom-inset, 0px) + 4.1rem
    );
    height: min(
      26rem,
      calc(100dvh - var(--bottom-nav-offset, var(--bottom-nav-h, 4.15rem)) - 6.5rem)
    );
  }

  body.support-open .support-panel {
    bottom: calc(var(--bottom-nav-offset, var(--bottom-nav-h, 4.15rem)) + 0.75rem);
    height: min(
      70dvh,
      calc(100dvh - var(--bottom-nav-offset, var(--bottom-nav-h, 4.15rem)) - 1.5rem)
    );
  }

  body.is-design-page .support-fab {
    bottom: calc(
      var(--bottom-nav-offset, var(--bottom-nav-h, 4.15rem)) + var(--vv-bottom-inset, 0px) + 0.55rem
    );
  }

  body.is-design-page.support-open .support-fab {
    bottom: calc(var(--bottom-nav-offset, var(--bottom-nav-h, 4.15rem)) + 0.55rem);
  }

  /* В полноэкранном превью конструктора нижний левый угол занят панелью
     инструментов (кнопка «Слои» и т.д.) — фиксированная там же кнопка
     поддержки перекрывала её. Уводим кнопку наверх, под шапку, где в этом
     режиме место свободно (панель черновиков прижата вправо). */
  body.is-design-page.design-pane-preview-active .support-fab {
    top: calc(var(--header-h, 3.7rem) + 0.5rem);
    bottom: auto;
  }

  body.is-design-page .support-panel {
    bottom: calc(
      var(--bottom-nav-offset, var(--bottom-nav-h, 4.15rem)) + var(--vv-bottom-inset, 0px) + 3.6rem
    );
    height: min(
      26rem,
      calc(100dvh - var(--bottom-nav-offset, var(--bottom-nav-h, 4.15rem)) - 5.5rem)
    );
  }
}