/* Поддержка — компактный чат без лишних анимаций */

.support-page {
  --support-header-h: 96px;
  --support-keyboard-inset: 0px;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: var(--bg);
}

.support-page .header {
  background: var(--bg);
  border-bottom: 1px solid rgba(59, 48, 39, 0.1);
  padding: 10px 0;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  animation: none;
}

.support-page .keys-bg,
.support-page .noise-overlay {
  display: none;
}

.support-app {
  height: 100%;
  box-sizing: border-box;
  padding:
    calc(var(--support-header-h) + env(safe-area-inset-top, 0px) + 20px)
    0
    calc(20px + var(--support-keyboard-inset));
  display: flex;
  align-items: stretch;
  justify-content: center;
  min-height: 0;
  animation: none;
}

body.backend-down .support-app {
  padding-top: calc(
    var(--backend-banner-h, 52px) + var(--support-header-h) + 20px
  );
}

.support-app__inner {
  width: 100%;
  max-width: 820px;
  display: flex;
  min-height: 0;
  padding-left: 20px;
  padding-right: 20px;
}

.support-shell {
  width: 100%;
  height: calc(100dvh - var(--support-header-h) - 40px - env(safe-area-inset-top, 0px) - var(--support-keyboard-inset));
  max-height: 680px;
  min-height: 420px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--panel);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

body.backend-down .support-shell {
  height: calc(
    100dvh - var(--backend-banner-h, 52px) - var(--support-header-h) - 40px
  );
}

.support-info {
  padding: 18px 16px;
  border-right: 1px solid var(--border);
  background: var(--panel-2);
  display: flex;
  flex-direction: column;
  min-height: 0;
  gap: 0;
}

.support-info .section__eyebrow {
  margin-bottom: 8px;
}

.support-info__title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  line-height: 1.2;
}

.support-info__text {
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.45;
  margin: 0;
}

.support-info__facts {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.support-info__facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.support-info__facts span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dimmer);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.support-info__facts strong {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
}

.support-main {
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: 100%;
  background: var(--panel);
}

.chat-gate {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  min-height: 0;
}

.chat-gate[hidden],
.chat-shell[hidden] {
  display: none !important;
}

.chat-gate__card {
  text-align: center;
  max-width: 280px;
}

.chat-gate__card .section__eyebrow {
  margin-bottom: 8px;
  justify-content: center;
}

.chat-gate__card h2 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 8px;
}

.chat-gate__card p {
  color: var(--text-dim);
  font-size: 13.5px;
  line-height: 1.45;
  margin-bottom: 16px;
}

.chat-shell {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: 100%;
}

.chat-top {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(59, 48, 39, 0.1);
  flex-shrink: 0;
  background: var(--panel);
  min-height: 64px;
  box-sizing: border-box;
}

.chat-agent {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.chat-agent__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chat-agent__name {
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.01em;
}

.chat-agent__status {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-dimmer);
  margin-top: 1px;
}

.chat-agent__status[data-state="online"] { color: #9fd59a; }
.chat-agent__status[data-state="local"] { color: var(--gold-bright); }
.chat-agent__status[data-state="reconnecting"],
.chat-agent__status[data-state="connecting"],
.chat-agent__status[data-state="offline"] { color: #e0c48a; }

.chat-list {
  flex: 1 1 auto;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 12px 14px;
  min-height: 0;
  height: 0; /* force flex child to shrink and scroll */
  scroll-behavior: auto;
}

.chat-list__empty {
  margin: 24px auto;
  max-width: 28ch;
  text-align: center;
  color: var(--text-dimmer);
  font-size: 13px;
  line-height: 1.45;
}

.bubble {
  display: block;
  max-width: min(88%, 420px);
  width: fit-content;
  margin: 0 0 8px;
  padding: 8px 12px;
  border-radius: 12px;
  line-height: 1.4;
  box-sizing: border-box;
}

.bubble--me {
  margin-left: auto;
  background: var(--accent-soft);
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  border-bottom-right-radius: 4px;
}

.bubble--agent {
  margin-right: auto;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  box-shadow: none;
}

.bubble--enter.bubble--me {
  will-change: transform, opacity;
  animation: bubble-send-me 0.42s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.bubble--enter.bubble--agent {
  will-change: transform, opacity;
  animation: bubble-send-agent 0.38s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.bubble--pending {
  opacity: 0.78;
}

.bubble--pending .bubble__meta::after {
  content: ' · отправка';
  color: var(--text-dimmer);
  font-weight: 500;
}

@keyframes bubble-send-me {
  from {
    opacity: 0;
    transform: translate3d(14px, 18px, 0) scale(0.94);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes bubble-send-agent {
  from {
    opacity: 0;
    transform: translate3d(-12px, 14px, 0) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .bubble--enter.bubble--me,
  .bubble--enter.bubble--agent {
    animation: none;
  }
}

/* Editorial support workspace — follows global light/dark tokens */
.support-page { background: var(--bg); }
.support-page .header {
  background: var(--bg);
  border-bottom-color: var(--border);
}
.support-shell {
  background: var(--panel);
  border-color: var(--border);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}
.support-info {
  background: var(--panel-2) !important;
  border-right-color: var(--border) !important;
}
.support-main,
.chat-shell,
.chat-composer,
.chat-top,
.chat-list {
  background: var(--panel) !important;
}
.chat-top,
.chat-composer {
  border-color: var(--border) !important;
}
.chat-composer input {
  background: var(--bg) !important;
  border-color: var(--border-strong) !important;
  color: var(--text) !important;
}
.chat-agent__avatar {
  background: var(--accent) !important;
  color: var(--bg) !important;
}
.chat-agent__status[data-state="local"] { color: var(--gold) !important; }
.bubble--me {
  background: var(--accent-soft);
  border-color: rgba(var(--accent-rgb), 0.35);
}
.bubble--agent {
  background: var(--panel-2);
  border-color: var(--border);
  box-shadow: none;
}
.bubble { margin-bottom: 12px !important; border-radius: 14px !important; }
.bubble:last-child { margin-bottom: 4px !important; }

.bubble__meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dimmer);
  margin-bottom: 3px;
  font-weight: 600;
}

.bubble__text {
  font-size: 14px;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

.chat-composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-composer input {
  width: 100%;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--bg);
  color: var(--text);
  padding: 0 12px;
  font: inherit;
  font-size: 16px; /* avoid iOS zoom */
  outline: none;
}

.chat-composer input:focus {
  border-color: var(--accent);
}

.chat-composer .btn {
  height: 40px;
  padding: 0 16px;
  min-width: 0;
  transition: transform 0.18s ease, opacity 0.18s ease, background-color 0.18s ease;
}

.chat-composer .btn:hover {
  transform: none;
}

.chat-composer .btn:active {
  transform: scale(0.96);
}

.chat-composer.is-sending .btn {
  opacity: 0.72;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .chat-list {
    scroll-behavior: auto;
  }

  .chat-composer .btn {
    transition: none;
  }
}

@media (max-width: 860px) {
  .support-app {
    padding:
      calc(var(--support-header-h, 68px) + env(safe-area-inset-top, 0px) + 12px)
      12px
      calc(12px + var(--support-keyboard-inset));
  }

  body.backend-down .support-app {
    padding-top: calc(
      var(--backend-banner-h, 52px) + var(--support-header-h, 68px) + 12px
    );
  }

  .support-app__inner {
    padding: 0;
  }

  .support-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
    height: calc(100dvh - var(--support-header-h, 68px) - 24px - env(safe-area-inset-top, 0px) - var(--support-keyboard-inset));
    max-height: none;
    min-height: 0;
  }

  body.backend-down .support-shell {
    height: calc(
      100dvh - var(--backend-banner-h, 52px) - var(--support-header-h, 68px) - 24px
    );
  }

  .support-info {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 12px 14px;
  }

  .support-info__title {
    font-size: 18px;
    margin-bottom: 2px;
  }

  .support-info__text {
    font-size: 12.5px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .support-info__facts {
    display: none;
  }

  .support-main,
  .chat-shell {
    min-height: 0;
    flex: 1;
  }

  .bubble {
    max-width: 92%;
  }
}

@media (max-width: 640px) {
  .support-app {
    padding: calc(var(--support-header-h, 64px) + env(safe-area-inset-top, 0px)) 0 var(--support-keyboard-inset);
  }

  body.backend-down .support-app {
    padding-top: calc(var(--backend-banner-h, 52px) + var(--support-header-h, 64px));
  }

  .support-shell {
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-bottom: none;
    height: calc(100dvh - var(--support-header-h, 64px) - env(safe-area-inset-top, 0px) - var(--support-keyboard-inset));
    box-shadow: none;
  }

  body.backend-down .support-shell {
    height: calc(100dvh - var(--backend-banner-h, 52px) - var(--support-header-h, 64px));
  }

  .chat-top {
    padding: 10px 12px;
  }

  .chat-list {
    padding: 10px 12px;
  }

  .chat-composer {
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px));
  }

  .chat-composer input,
  .chat-composer .btn {
    height: 44px;
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .support-page .header,
  .support-page .support-app,
  .chat-composer .btn {
    animation: none !important;
    transition: none !important;
  }
}

/* Responsive final pass */
@media (max-width: 860px) {
  .support-page {
    min-height: 100dvh;
  }

  .support-shell,
  .support-main,
  .chat-shell {
    min-width: 0;
  }

  .chat-list {
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 480px) {
  .support-info {
    padding-left: 12px;
    padding-right: 12px;
  }

  .chat-gate {
    padding: 20px 16px;
  }

  .chat-gate__card {
    max-width: 320px;
  }

  .bubble {
    max-width: 94%;
  }

  .chat-composer {
    gap: 6px;
  }

  .chat-composer .btn {
    padding-left: 12px;
    padding-right: 12px;
  }
}

html[data-theme="dark"] .support-page .header {
  background: var(--bg);
  border-bottom-color: var(--border);
}