/**
 * Chat ↔ Settings in-place stage swap.
 * Chat slides down; settings enters from top (GSAP-timeline idea via CSS).
 */

.chat-stage {
  --settings-swap-dur: var(--sw-motion-slow, 0.56s);
  --settings-swap-ease: var(--sw-motion-spring, cubic-bezier(0.22, 1, 0.36, 1));
  position: relative;
  flex: 1;
  min-height: 0;
  width: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.chat-stage__pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
  width: 100%;
  will-change: transform, opacity;
  transition:
    transform var(--settings-swap-dur) var(--settings-swap-ease),
    opacity calc(var(--settings-swap-dur) * 0.72) var(--sw-motion-soft, ease);
}

.chat-stage__pane--chat {
  position: relative;
  flex: 1;
  z-index: 1;
  transform: translate3d(0, 0, 0);
  opacity: 1;
}

.chat-stage__pane--chat > .window-body {
  flex: 1;
  min-height: 0;
  height: 100%;
}

.chat-stage__pane--settings {
  position: absolute;
  inset: 0;
  z-index: 2;
  transform: translate3d(0, -108%, 0);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.chat-stage__pane--settings:not([hidden]) {
  visibility: visible;
}

/* Stack: chat (bottom) < settings < automation (top). data-stage drives swipe. */
#win-chat[data-stage="settings"] .chat-stage__pane--chat,
#win-chat[data-stage="automation"] .chat-stage__pane--chat {
  transform: translate3d(0, 108%, 0);
  opacity: 0.28;
  pointer-events: none;
}

#win-chat[data-stage="settings"] .chat-stage__pane--settings {
  transform: translate3d(0, 0, 0);
  opacity: 1;
  pointer-events: auto;
}

/* Under automation: settings parked below — rises on automation→settings. */
#win-chat[data-stage="automation"] .chat-stage__pane--settings {
  transform: translate3d(0, 108%, 0);
  opacity: 0.28;
  pointer-events: none;
}

#win-chat[data-stage="settings"] .chat-stage__pane--settings[hidden],
#win-chat[data-stage="automation"] .chat-stage__pane--settings[hidden] {
  display: flex !important;
}

/* Instant park when skipping a stack layer (no fly-through). */
.chat-stage__pane--settings.is-stage-park-below {
  transition: none !important;
  transform: translate3d(0, 108%, 0) !important;
  opacity: 0.28 !important;
  pointer-events: none !important;
  visibility: visible !important;
}

.chat-stage__pane--settings.is-stage-park-above {
  transition: none !important;
  transform: translate3d(0, -108%, 0) !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* Legacy class bridge (pre-data-stage callers) */
#win-chat.is-settings-open .chat-stage__pane--chat {
  transform: translate3d(0, 108%, 0);
  opacity: 0.28;
  pointer-events: none;
}

#win-chat.is-settings-open .chat-stage__pane--settings {
  transform: translate3d(0, 0, 0);
  opacity: 1;
  pointer-events: auto;
}

#win-chat.is-settings-open .chat-stage__pane--settings[hidden] {
  display: flex !important;
}

/* —— Settings panel chrome —— */
.settings-pane {
  background:
    linear-gradient(180deg, var(--sw-surface-wash) 0%, transparent 120px),
    transparent;
  color: var(--sw-text-main);
}

.settings-pane__header {
  /* Lock to the same band as .sw-rail__brand (body pad 14 + row 42). */
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  box-sizing: border-box;
  height: 42px;
  min-height: 42px;
  max-height: 42px;
  margin: 14px 0 0;
  padding: 0 16px 0 10px;
  border-bottom: 0;
  background: transparent;
}

.settings-pane__back {
  appearance: none;
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin: 0 0 0 -3px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--sw-icon);
  cursor: pointer;
  flex-shrink: 0;
  transition:
    background 0.18s ease,
    color 0.18s ease;
}

.settings-pane__back:hover {
  background: var(--sw-surface-elevated);
  color: var(--sw-text-main);
}

.settings-pane__back:active {
  background: var(--sw-surface-elevated);
}

/* Exact clone of #win-sidebar.sw-rail .sidebar-brand-title */
.settings-pane__title {
  margin: 0;
  padding: 0;
  min-width: 0;
  font-family: "Syne", "Manrope", system-ui, sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.2;
  color: var(--sw-text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.settings-pane__scroll {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 20px max(16px, calc((100% - 860px) / 2)) 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.settings-pane__scroll::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

.settings-row-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
  align-items: stretch;
  overflow: visible;
}

.settings-card {
  --settings-card-h: 228px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px 22px 20px;
  border-radius: 18px;
  border: 0;
  background: var(--sw-surface-card);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  height: var(--settings-card-h);
  min-height: var(--settings-card-h);
  max-height: var(--settings-card-h);
  box-sizing: border-box;
  overflow: hidden;
  transition: background var(--sw-motion-base) var(--sw-motion-soft);
}

.settings-card--compact {
  height: var(--settings-card-h);
  min-width: 0;
  min-height: var(--settings-card-h);
  max-height: var(--settings-card-h);
}

.settings-card--lang {
  justify-content: space-between;
}

.settings-card--plan {
  justify-content: space-between;
}

.settings-card--quota {
  justify-content: space-between;
}

.settings-divider {
  flex-shrink: 0;
  height: 1px;
  margin: 8px 2px 2px;
  border: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.14) 10%,
    rgba(255, 255, 255, 0.18) 50%,
    rgba(255, 255, 255, 0.14) 90%,
    transparent 100%
  );
}

.settings-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 2px 0 4px;
}

.settings-action-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 16px;
  border: 0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--sw-text-main);
  font-family: "Syne", "Manrope", system-ui, sans-serif;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.02em;
  text-transform: none;
  text-decoration: none;
  cursor: pointer;
  box-sizing: border-box;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    filter 0.2s ease;
}

.settings-action-btn:hover {
  background: rgba(255, 255, 255, 0.14);
}

.settings-action-btn:active {
  background: rgba(255, 255, 255, 0.1);
  filter: brightness(0.96);
}

.settings-action-btn--exit {
  color: #fff;
  background: #8b3a3a;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.02em;
  text-transform: none;
}

.settings-action-btn--exit:hover {
  color: #fff;
  background: #a04444;
}

.settings-action-btn--exit:active {
  background: #7a3232;
  filter: none;
}

@media (max-width: 640px) {
  .settings-actions {
    grid-template-columns: 1fr;
  }
}

.settings-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.settings-card__icon {
  flex-shrink: 0;
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 0;
  background: transparent;
  color: var(--sw-icon);
  overflow: visible;
}

.settings-card__icon svg {
  display: block;
  width: 22px;
  height: 22px;
  overflow: visible;
}

.settings-card--compact .settings-card__title {
  font-size: 18px;
  letter-spacing: -0.03em;
}

.settings-card--compact .settings-field {
  gap: 6px;
}

.settings-card--compact .settings-field__label {
  font-size: 13px;
}

.settings-card--compact .settings-field__input {
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 15px;
}

.settings-card--compact .settings-quota__left {
  font-size: 44px;
}

.settings-card--compact .settings-quota__sep,
.settings-card--compact .settings-quota__total {
  font-size: 26px;
}

.settings-card--compact .settings-meter--lg {
  height: 8px;
  margin-top: 0;
}

/* —— Targeted icon motion —— */
.settings-ico-user-head {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 0.42s var(--sw-motion-spring, cubic-bezier(0.22, 1, 0.36, 1));
}

.settings-card--account:hover .settings-ico-user-head {
  transform: translateY(-2.25px);
}

.settings-ico-user-body {
  transform: none;
}

.settings-ico-sq {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 0.48s var(--sw-motion-spring, cubic-bezier(0.22, 1, 0.36, 1));
}

.settings-card--quota:hover .settings-ico-sq--1 {
  transform: translate(-1.6px, -1.6px);
}

.settings-card--quota:hover .settings-ico-sq--2 {
  transform: translate(1.7px, -1.5px);
}

.settings-card--quota:hover .settings-ico-sq--3 {
  transform: translate(-1.5px, 1.7px);
}

.settings-card--quota:hover .settings-ico-sq--4 {
  transform: translate(1.6px, 1.5px);
}

.settings-card--lang .settings-card__icon--lang svg {
  transform-origin: 42% 42%;
  transition: transform 0.42s var(--sw-motion-spring, cubic-bezier(0.22, 1, 0.36, 1));
}

.settings-card--lang:hover .settings-card__icon--lang svg {
  transform: rotate(-14deg);
}

.settings-card--plan .settings-card__icon svg {
  transform-origin: center;
  transition: transform 0.42s var(--sw-motion-spring, cubic-bezier(0.22, 1, 0.36, 1));
}

.settings-card--plan:hover .settings-card__icon svg {
  transform: translate3d(0, -2px, 0) rotate(-12deg);
}

.settings-seg--stretch {
  width: 100%;
}

.settings-plan {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 2px;
}

.settings-plan__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.settings-plan__label {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 550;
  color: var(--sw-text-muted);
}

.settings-plan__value {
  min-width: 0;
  text-align: right;
  font-family: "Syne", "Manrope", system-ui, sans-serif;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--sw-text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.settings-plan__value--accent {
  color: var(--sw-text-main);
}

.settings-plan__value[data-tone="warn"] {
  color: #e8b86d;
}

.settings-plan__value[data-tone="danger"] {
  color: #e89090;
}

.settings-plan__value[data-tone="ok"] {
  color: #9fd4b0;
}

@media (max-width: 640px) {
  .settings-row-grid {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .settings-ico-user-head,
  .settings-ico-sq,
  .settings-card--plan .settings-card__icon svg,
  .settings-card--lang .settings-card__icon--lang svg {
    transition: none !important;
  }

  .settings-card--account:hover .settings-ico-user-head,
  .settings-card--quota:hover .settings-ico-sq--1,
  .settings-card--quota:hover .settings-ico-sq--2,
  .settings-card--quota:hover .settings-ico-sq--3,
  .settings-card--quota:hover .settings-ico-sq--4,
  .settings-card--plan:hover .settings-card__icon svg,
  .settings-card--lang:hover .settings-card__icon--lang svg {
    transform: none;
  }
}

.settings-card__title {
  margin: 0;
  font-family: "Syne", "Manrope", system-ui, sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.2;
  text-transform: none;
  color: var(--sw-text-main);
}

.settings-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.settings-field__label {
  font-size: 15px;
  font-weight: 550;
  color: var(--sw-text-muted);
}

.settings-field__input {
  width: 100%;
  margin: 0;
  padding: 14px 16px;
  border-radius: 14px;
  border: 0;
  background: var(--sw-surface-inset);
  color: var(--sw-text-main);
  font: inherit;
  font-size: 16px;
  font-weight: 500;
  outline: none;
  box-sizing: border-box;
  cursor: default;
  transition: background var(--sw-motion-base) var(--sw-motion-soft), color var(--sw-motion-base) var(--sw-motion-soft);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
}

.settings-row__text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.settings-row__label {
  font-size: 16px;
  font-weight: 550;
  color: var(--sw-text-main);
}

.settings-quota {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: "Syne", "Manrope", system-ui, sans-serif;
  letter-spacing: -0.04em;
  line-height: 1;
}

.settings-quota__left {
  font-size: 48px;
  font-weight: 700;
  color: var(--sw-text-main);
}

.settings-quota__sep {
  font-size: 28px;
  font-weight: 600;
  color: var(--sw-text-subtle);
}

.settings-quota__total {
  font-size: 28px;
  font-weight: 650;
  color: var(--sw-text-subtle);
}

.settings-meter {
  flex-shrink: 0;
  width: 110px;
  height: 8px;
  border-radius: 999px;
  background: var(--sw-surface-track);
  overflow: hidden;
}

.settings-meter--lg {
  width: 100%;
  height: 10px;
  margin-top: 4px;
}

.settings-meter > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--sw-primary);
  transition: width 0.4s var(--sw-motion-spring);
}

.settings-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
}

.settings-control__label {
  font-size: 16px;
  font-weight: 550;
  color: var(--sw-text-main);
  flex-shrink: 0;
}

/* Sliding segmented control (language + theme) */
.settings-seg {
  --seg-pad: 4px;
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  gap: 0;
  padding: var(--seg-pad);
  border-radius: 14px;
  background: var(--sw-surface-inset);
  isolation: isolate;
}

.settings-seg__thumb {
  position: absolute;
  top: var(--seg-pad);
  bottom: var(--seg-pad);
  left: var(--seg-pad);
  width: calc(50% - var(--seg-pad));
  border-radius: 11px;
  background: var(--sw-surface-thumb);
  box-shadow: var(--sw-shadow-thumb);
  pointer-events: none;
  z-index: 0;
  transition: transform 0.38s var(--sw-motion-spring);
  will-change: transform;
}

.settings-seg[data-active="en"] .settings-seg__thumb {
  transform: translateX(100%);
}

.settings-seg[data-active="ru"] .settings-seg__thumb {
  transform: translateX(0);
}

.settings-seg__btn {
  appearance: none;
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  height: 40px;
  margin: 0;
  padding: 0 12px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: var(--sw-text-subtle);
  font: inherit;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color 0.22s ease;
}

.settings-seg__btn:hover {
  color: var(--sw-text-muted);
}

.settings-seg__btn[aria-pressed="true"],
.settings-seg__btn.is-on {
  color: var(--sw-text-main);
  background: transparent;
}

.settings-colors,
.settings-themes {
  display: none;
}

.settings-toggle {
  appearance: none;
  position: relative;
  flex-shrink: 0;
  width: 48px;
  height: 28px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: var(--sw-surface-track);
  cursor: default;
  opacity: 0.9;
  transition: background 0.2s ease;
}

.settings-toggle.is-on {
  background: var(--sw-primary);
}

.settings-toggle__knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s var(--sw-motion-spring, ease);
}

.settings-toggle.is-on .settings-toggle__knob {
  transform: translateX(20px);
}

@media (prefers-reduced-motion: reduce) {
  .settings-seg__thumb {
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chat-stage__pane {
    transition-duration: 0.01ms !important;
  }
}

/* Mobile-only: compact cards, no header/title (PC keeps full chrome). */
body.is-mobile .settings-pane__header {
  display: none;
}

body.is-mobile .settings-pane__scroll {
  padding: 8px 14px 24px;
  gap: 12px;
}

body.is-mobile .settings-row-grid {
  gap: 10px;
}

body.is-mobile .settings-card {
  --settings-card-h: 196px;
  gap: 12px;
  padding: 16px 18px 14px;
}

body.is-mobile .settings-card--compact .settings-field {
  gap: 4px;
}

body.is-mobile .settings-card--compact .settings-field__input {
  padding: 9px 12px;
}