/* Route-owned styles for /messages/ and /ar/messages/.
   Phase 2 scope: canonical-shell page geometry, hero copy, static notice,
   loading/skeleton/signed-out/disabled state presentation.
   Phase 3 scope (below): full app-area styling for the rebuilt locale-aware
   controller — two-panel shell, conversation list, thread view, composer,
   protected-image grid, and the report/hide/block dialog system. Token
   colors only (dark authoritative, light via shared tokens), RTL via
   logical properties, 44px targets, reduced-motion support. */

.aw-messages-main {
  --aw-messages-gutter: clamp(0.75rem, 2.2vw, 2rem);
  flex: 1 1 auto;
  min-inline-size: 0;
  inline-size: 100%;
  padding: 1rem var(--aw-messages-gutter) clamp(3rem, 7vw, 5.5rem);
  color: hsl(var(--foreground));
}

.aw-messages-main > :where(.aw-page-breadcrumb, .aw-messages-hero, .aw-messages-notice, .aw-messages-root) {
  inline-size: 100%;
  margin-inline: auto;
}

.aw-messages-main .aw-messages-hero {
  display: block;
  padding: clamp(1.15rem, 2.5vw, 1.8rem);
}

.aw-messages-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.45rem;
  color: hsl(var(--primary));
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1.2;
  text-transform: uppercase;
}

.aw-messages-eyebrow::before {
  content: "";
  flex: 0 0 1.6rem;
  block-size: 2px;
  border-radius: 999px;
  background: currentColor;
}

[dir="rtl"] :where(.aw-messages-eyebrow, #aw-messages-title) {
  letter-spacing: normal;
}

#aw-messages-title {
  max-inline-size: 20ch;
  margin: 0;
  color: hsl(var(--foreground));
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  font-weight: 780;
  letter-spacing: -0.035em;
  line-height: 1.04;
  text-wrap: balance;
}

.aw-messages-intro-text {
  max-inline-size: 72ch;
  margin: 0.65rem 0 0;
  color: hsl(var(--muted-foreground));
  font-size: clamp(0.89rem, 1.2vw, 0.98rem);
  line-height: 1.62;
  text-wrap: pretty;
}

.aw-messages-notice {
  display: grid;
  gap: 0.5rem;
  margin-block-start: clamp(1rem, 2.2vw, 1.5rem);
  padding: clamp(0.9rem, 1.6vw, 1.25rem) clamp(1rem, 2vw, 1.5rem);
  border: 1px solid hsl(var(--border) / 0.78);
  border-radius: var(--radius);
  background: linear-gradient(180deg, hsl(var(--card-strong) / 0.9), hsl(var(--card)));
  box-shadow: inset 0 1px 0 hsl(var(--foreground) / 0.04);
}

.aw-messages-notice p {
  margin: 0;
  color: hsl(var(--muted-foreground));
  font-size: 0.86rem;
  line-height: 1.6;
}

.aw-messages-root {
  min-block-size: max(22rem, calc(100svh - 24rem));
  margin-block-start: clamp(1rem, 2.2vw, 1.5rem);
}

/* Controller-rendered loading / signed-out / disabled states. */

.aw-messages-state {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 0.75rem;
  min-block-size: clamp(16rem, 30vw, 22rem);
  padding: clamp(1.5rem, 4vw, 3rem);
  text-align: center;
  border: 1px solid hsl(var(--border) / 0.78);
  border-radius: var(--radius);
  background: linear-gradient(180deg, hsl(var(--card-strong) / 0.9), hsl(var(--card)));
  box-shadow: inset 0 1px 0 hsl(var(--foreground) / 0.04);
  color: hsl(var(--muted-foreground));
}

/* Controller-rendered loading spinner (rebuilt Phase 3 controller emits a
   token-based spinner element; no icon font is loaded). */
.aw-messages-spinner {
  display: inline-block;
  flex: 0 0 auto;
  inline-size: 1rem;
  block-size: 1rem;
  border: 2px solid hsl(var(--border));
  border-block-start-color: hsl(var(--primary));
  border-radius: 50%;
  animation: aw-messages-spin 0.9s linear infinite;
}

.aw-messages-spinner-large {
  inline-size: 1.75rem;
  block-size: 1.75rem;
  border-width: 3px;
}

@keyframes aw-messages-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .aw-messages-spinner {
    animation: none;
  }
}

.aw-messages-state-title {
  max-inline-size: 28ch;
  margin: 0;
  color: hsl(var(--foreground));
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-wrap: balance;
}

[dir="rtl"] .aw-messages-state-title {
  letter-spacing: normal;
}

.aw-messages-state-copy {
  max-inline-size: 52ch;
  margin: 0;
  line-height: 1.6;
}

.aw-messages-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-block-start: 0.35rem;
}

.aw-messages-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-block-size: 44px;
  padding: 0.55rem 1.1rem;
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  background: hsl(var(--card));
  color: hsl(var(--foreground));
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.aw-messages-btn:hover {
  background: hsl(var(--card-strong));
}

.aw-messages-btn:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 2px;
}

.aw-messages-btn:disabled {
  opacity: 0.62;
  cursor: not-allowed;
}

.aw-messages-btn-primary {
  border-color: hsl(var(--primary));
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}

.aw-messages-btn-primary:hover {
  background: hsl(var(--primary) / 0.86);
}

.aw-messages-btn-danger {
  border-color: hsl(var(--destructive) / 0.6);
  background: hsl(var(--destructive) / 0.1);
  color: hsl(var(--destructive));
}

.aw-messages-btn-danger:hover {
  background: hsl(var(--destructive) / 0.18);
}

/* Pre-auth skeleton placeholder (replaced by the controller on first render). */

.aw-messages-skeleton {
  display: grid;
  grid-template-columns: minmax(0, 19rem) minmax(0, 1fr);
  gap: clamp(0.75rem, 2vw, 1.25rem);
}

.aw-messages-skeleton-panel {
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid hsl(var(--border) / 0.78);
  border-radius: var(--radius);
  background: hsl(var(--card) / 0.6);
}

.aw-messages-skeleton-line {
  block-size: 2.75rem;
  border-radius: calc(var(--radius) * 0.6);
  background: hsl(var(--muted-foreground) / 0.14);
}

@media (prefers-reduced-motion: no-preference) {
  .aw-messages-skeleton-line {
    animation: aw-messages-pulse 1.6s ease-in-out infinite;
  }

  @keyframes aw-messages-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.45; }
  }
}

@media (max-width: 640px) {
  .aw-messages-main {
    --aw-messages-gutter: 0.75rem;
    padding-block-start: 0.7rem;
  }

  .aw-messages-main .aw-page-breadcrumb {
    margin-block-end: 0.3rem;
  }

  /* Canonical ≤640px header treatment (matches the Characters reference). */
  .aw-messages-page .aw-header-title,
  .aw-messages-page .aw-alerts-menu {
    display: none;
  }

  .aw-messages-main .aw-messages-hero {
    padding: 1rem;
  }

  .aw-messages-main #aw-messages-title {
    font-size: clamp(1.75rem, 8.8vw, 2.35rem);
  }

  .aw-messages-main .aw-messages-intro-text {
    margin-block-start: 0.45rem;
    font-size: 0.83rem;
    line-height: 1.48;
  }
}

@media (max-width: 720px) {
  .aw-messages-skeleton {
    grid-template-columns: 1fr;
  }

  .aw-messages-skeleton-panel:last-child {
    display: none;
  }
}

.aw-messages-noscript {
  margin: 1rem 0 0;
  color: hsl(var(--muted-foreground));
}

/* -------------------------------------------------------------------------
   Phase 3: locale-aware controller app area
   Two-panel messaging workspace (list | thread), thread view, composer,
   protected-image grid with reserved geometry, and the managed dialog
   system (report / hide / block). Shared tokens only; no fixed colors.
   ------------------------------------------------------------------------- */

.aw-messages-inline-icon {
  flex: 0 0 auto;
}

/* Two-panel shell */

.aw-messages-shell {
  display: grid;
  grid-template-columns: minmax(17.5rem, 22rem) minmax(0, 1fr);
  block-size: clamp(30rem, calc(100svh - 22rem), 48rem);
  border: 1px solid hsl(var(--border) / 0.78);
  border-radius: var(--radius);
  background: linear-gradient(180deg, hsl(var(--card-strong) / 0.55), hsl(var(--card)));
  box-shadow: inset 0 1px 0 hsl(var(--foreground) / 0.04);
  overflow: hidden;
}

.aw-messages-list-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-inline-size: 0;
  min-block-size: 0;
  border-inline-end: 1px solid hsl(var(--border) / 0.6);
  background: hsl(var(--card) / 0.55);
}

.aw-messages-chat-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-inline-size: 0;
  min-block-size: 0;
}

.aw-messages-chat-panel > .aw-messages-state {
  grid-row: 1 / -1;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

/* Conversation list */

.aw-messages-list-head {
  display: grid;
  gap: 0.2rem;
  padding: 1rem 1.1rem 0.85rem;
  border-block-end: 1px solid hsl(var(--border) / 0.6);
}

.aw-messages-list-head h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.aw-messages-list-head > p {
  margin: 0;
  color: hsl(var(--muted-foreground));
  font-size: 0.8rem;
}

.aw-messages-feedback {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
}

.aw-messages-feedback.is-error {
  color: hsl(var(--destructive));
}

.aw-messages-list {
  display: grid;
  align-content: start;
  gap: 0.45rem;
  min-block-size: 0;
  padding: 0.6rem;
  overflow-y: auto;
}

.aw-messages-thread-item {
  position: relative;
  display: grid;
}

.aw-messages-thread-button {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.7rem;
  inline-size: 100%;
  padding: 0.65rem 0.7rem;
  border: 1px solid transparent;
  border-radius: calc(var(--radius) * 0.75);
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: start;
  cursor: pointer;
}

.aw-messages-thread-button:hover {
  background: hsl(var(--card-strong) / 0.75);
}

.aw-messages-thread-button:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 2px;
}

.aw-messages-thread-button.is-active {
  border-color: hsl(var(--primary) / 0.55);
  background: hsl(var(--primary) / 0.12);
}

.aw-messages-avatar {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  inline-size: 2.6rem;
  block-size: 2.6rem;
  border-radius: 50%;
  overflow: hidden;
  color: hsl(0 0% 100%);
  font-size: 1rem;
  font-weight: 800;
}

.aw-messages-avatar img {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
}

.aw-messages-avatar-large {
  inline-size: 2.9rem;
  block-size: 2.9rem;
  font-size: 1.1rem;
}

.aw-messages-thread-main {
  display: grid;
  gap: 0.12rem;
  min-inline-size: 0;
}

.aw-messages-name-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  min-inline-size: 0;
}

.aw-messages-user-name {
  overflow: hidden;
  font-size: 0.92rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.aw-messages-user-id {
  color: hsl(var(--muted-foreground));
  direction: ltr;
  font-size: 0.72rem;
  text-align: start;
  unicode-bidi: isolate;
}

.aw-messages-preview {
  overflow: hidden;
  color: hsl(var(--muted-foreground));
  font-size: 0.8rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.aw-messages-thread-meta {
  display: grid;
  justify-items: end;
  gap: 0.28rem;
}

.aw-messages-time {
  color: hsl(var(--muted-foreground));
  font-size: 0.7rem;
  white-space: nowrap;
}

.aw-messages-unread {
  display: grid;
  place-items: center;
  min-inline-size: 1.35rem;
  block-size: 1.35rem;
  padding-inline: 0.35rem;
  border-radius: 999px;
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  font-size: 0.68rem;
  font-weight: 800;
}

/* Row hover actions (hide / follow) */

.aw-messages-thread-actions {
  position: absolute;
  inset-block-start: 0.5rem;
  inset-inline-end: 0.5rem;
  display: flex;
  gap: 0.3rem;
  opacity: 0;
  transition: opacity 160ms ease;
}

.aw-messages-thread-item:hover .aw-messages-thread-actions,
.aw-messages-thread-item:focus-within .aw-messages-thread-actions {
  opacity: 1;
}

.aw-messages-thread-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 44px;
  min-block-size: 44px;
  border: 1px solid hsl(var(--border));
  border-radius: calc(var(--radius) * 0.6);
  background: hsl(var(--card));
  color: hsl(var(--foreground));
  cursor: pointer;
}

.aw-messages-thread-icon:hover {
  background: hsl(var(--card-strong));
}

.aw-messages-thread-icon:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 2px;
}

.aw-messages-thread-icon:disabled {
  opacity: 0.62;
  cursor: not-allowed;
}

.aw-messages-thread-friend.is-following {
  border-color: hsl(var(--primary) / 0.55);
  color: hsl(var(--primary));
}

/* Thread header */

.aw-messages-chat-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
  padding: 0.7rem 0.9rem;
  border-block-end: 1px solid hsl(var(--border) / 0.6);
}

.aw-messages-back {
  display: none;
}

.aw-messages-chat-title {
  display: grid;
  min-inline-size: 0;
  margin-inline-end: auto;
}

.aw-messages-chat-title h2 {
  margin: 0;
  overflow: hidden;
  font-size: 1rem;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.aw-messages-chat-title h2 a {
  color: inherit;
  text-decoration: none;
}

.aw-messages-chat-title h2 a:hover {
  color: hsl(var(--primary));
}

.aw-messages-chat-title > span {
  color: hsl(var(--muted-foreground));
  direction: ltr;
  font-size: 0.72rem;
  text-align: start;
  unicode-bidi: isolate;
}

.aw-messages-chat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Thread history */

.aw-messages-chat-main {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-block-size: 0;
}

.aw-messages-thread-notice {
  margin: 0.6rem 0.9rem 0;
  padding: 0.55rem 0.8rem;
  border: 1px solid hsl(var(--primary) / 0.4);
  border-radius: calc(var(--radius) * 0.6);
  background: hsl(var(--primary) / 0.1);
  font-size: 0.82rem;
  line-height: 1.5;
}

.aw-messages-thread-notice.is-error {
  border-color: hsl(var(--destructive) / 0.5);
  background: hsl(var(--destructive) / 0.1);
  color: hsl(var(--destructive));
}

.aw-messages-history {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-block-size: 0;
  padding: 0.9rem;
  overflow-y: auto;
}

.aw-messages-message {
  display: grid;
  gap: 0.3rem;
  max-inline-size: min(78%, 36rem);
}

.aw-messages-message.is-own {
  align-self: end;
  justify-items: end;
}

.aw-messages-message.is-other {
  align-self: start;
  justify-items: start;
}

.aw-messages-bubble {
  padding: 0.55rem 0.8rem;
  border-radius: 1rem;
  font-size: 0.9rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.aw-messages-message.is-own .aw-messages-bubble {
  border-end-end-radius: 0.25rem;
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}

.aw-messages-message.is-other .aw-messages-bubble {
  border-end-start-radius: 0.25rem;
  background: hsl(var(--card-strong));
}

.aw-messages-message-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: hsl(var(--muted-foreground));
  font-size: 0.68rem;
}

.aw-messages-report-message {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  min-block-size: 44px;
  padding: 0.2rem 0.6rem;
  border: 1px solid transparent;
  border-radius: calc(var(--radius) * 0.5);
  background: transparent;
  color: hsl(var(--muted-foreground));
  font: inherit;
  font-size: 0.72rem;
  cursor: pointer;
}

.aw-messages-report-message:hover {
  border-color: hsl(var(--border));
  background: hsl(var(--card));
  color: hsl(var(--foreground));
}

.aw-messages-report-message:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 2px;
}

.aw-messages-context-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.55rem;
  border: 1px solid hsl(var(--primary) / 0.35);
  border-radius: 0.6rem;
  background: hsl(var(--primary) / 0.08);
  color: hsl(var(--primary));
  font-size: 0.72rem;
  font-weight: 700;
}

.aw-messages-empty-thread {
  margin: 0;
  padding: 2rem 1rem;
  color: hsl(var(--muted-foreground));
  font-size: 0.85rem;
  text-align: center;
}

/* Protected-image grid (reserved 360x220 geometry: no CLS while loading) */

.aw-messages-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(10.5rem, 100%), 1fr));
  gap: 0.45rem;
  inline-size: 100%;
  max-inline-size: 32rem;
}

.aw-messages-image {
  margin: 0;
  aspect-ratio: 18 / 11;
  border: 1px solid hsl(var(--border) / 0.6);
  border-radius: 0.7rem;
  background: hsl(var(--card-strong) / 0.6);
  overflow: hidden;
}

.aw-messages-image img {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
}

.aw-messages-image-state {
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 0.35rem;
  padding: 0.5rem;
  color: hsl(var(--muted-foreground));
  font-size: 0.75rem;
  text-align: center;
}

.aw-messages-image-state.is-expired {
  border-style: dashed;
}

.aw-messages-image-state.is-error {
  color: hsl(var(--destructive));
}

/* Composer */

.aw-messages-composer {
  display: grid;
  gap: 0.55rem;
  padding: 0.7rem 0.9rem 0.8rem;
  border-block-start: 1px solid hsl(var(--border) / 0.6);
  background: hsl(var(--card) / 0.7);
}

.aw-messages-composer textarea {
  inline-size: 100%;
  min-block-size: 3.2rem;
  max-block-size: 11rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid hsl(var(--border));
  border-radius: calc(var(--radius) * 0.7);
  background: hsl(var(--card));
  color: hsl(var(--foreground));
  font: inherit;
  line-height: 1.5;
  resize: vertical;
}

.aw-messages-composer textarea:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 2px;
}

.aw-messages-image-tools {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.8rem;
  color: hsl(var(--muted-foreground));
  font-size: 0.75rem;
}

.aw-messages-attach-btn {
  cursor: pointer;
}

.aw-messages-attach-btn:focus-within {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 2px;
}

.aw-messages-image-quota {
  margin-inline-start: auto;
}

.aw-messages-selected-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(6.5rem, 1fr));
  gap: 0.5rem;
}

.aw-messages-selected-image {
  position: relative;
  margin: 0;
  border: 1px solid hsl(var(--border) / 0.7);
  border-radius: 0.6rem;
  background: hsl(var(--card-strong) / 0.5);
  overflow: hidden;
}

.aw-messages-selected-image img {
  display: block;
  inline-size: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.aw-messages-selected-image figcaption {
  overflow: hidden;
  padding: 0.25rem 0.45rem;
  color: hsl(var(--muted-foreground));
  font-size: 0.68rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.aw-messages-selected-remove {
  position: absolute;
  inset-block-start: 0.25rem;
  inset-inline-end: 0.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 44px;
  min-block-size: 44px;
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  background: hsl(var(--card) / 0.92);
  color: hsl(var(--foreground));
  cursor: pointer;
}

.aw-messages-selected-remove:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 2px;
}

.aw-messages-compose-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.aw-messages-compose-meta {
  display: grid;
  gap: 0.15rem;
  min-inline-size: 0;
  margin-inline-end: auto;
}

.aw-messages-counter {
  color: hsl(var(--muted-foreground));
  font-size: 0.72rem;
}

.aw-messages-counter.is-limit {
  color: hsl(var(--destructive));
  font-weight: 800;
}

.aw-messages-compose-error {
  margin: 0;
  color: hsl(var(--destructive));
  font-size: 0.78rem;
}

.aw-messages-compose-error:empty {
  display: none;
}

.aw-messages-disabled-composer {
  padding: 0.8rem;
  border: 1px dashed hsl(var(--border));
  border-radius: 0.7rem;
  color: hsl(var(--muted-foreground));
  font-size: 0.88rem;
  text-align: center;
}

.aw-messages-safety {
  margin: 0;
  color: hsl(var(--muted-foreground));
  font-size: 0.72rem;
  line-height: 1.55;
}

.aw-messages-visually-hidden {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

/* Managed dialogs (report / hide / block) */

.aw-messages-dialog-backdrop {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: hsl(var(--background) / 0.72);
  backdrop-filter: blur(6px);
}

.aw-messages-dialog {
  inline-size: min(30rem, 100%);
  max-block-size: min(36rem, calc(100svh - 2rem));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  background: linear-gradient(180deg, hsl(var(--card-strong)), hsl(var(--card)));
  box-shadow: 0 24px 60px hsl(var(--background) / 0.5);
  overflow-y: auto;
}

.aw-messages-dialog:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 2px;
}

.aw-messages-dialog-head {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.1rem 0.8rem;
  border-block-end: 1px solid hsl(var(--border) / 0.6);
}

.aw-messages-dialog-head p {
  margin: 0 0 0.15rem;
  color: hsl(var(--primary));
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

[dir="rtl"] .aw-messages-dialog-head p {
  letter-spacing: normal;
}

.aw-messages-dialog-head h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.aw-messages-dialog-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 44px;
  min-block-size: 44px;
  margin-inline-start: auto;
  border: 1px solid hsl(var(--border));
  border-radius: calc(var(--radius) * 0.6);
  background: hsl(var(--card));
  color: hsl(var(--foreground));
  cursor: pointer;
}

.aw-messages-dialog-close:hover {
  background: hsl(var(--card-strong));
}

.aw-messages-dialog-close:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 2px;
}

.aw-messages-dialog-form {
  display: grid;
  gap: 0.8rem;
  padding: 1rem 1.1rem 1.1rem;
}

.aw-messages-dialog-copy {
  margin: 0;
  color: hsl(var(--muted-foreground));
  font-size: 0.88rem;
  line-height: 1.6;
}

.aw-messages-dialog-field {
  display: grid;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 700;
}

.aw-messages-dialog-field textarea {
  min-block-size: 6.5rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid hsl(var(--border));
  border-radius: 0.6rem;
  background: hsl(var(--card));
  color: hsl(var(--foreground));
  font: inherit;
  font-weight: 400;
  line-height: 1.5;
  resize: vertical;
}

.aw-messages-dialog-field textarea:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 2px;
}

.aw-messages-dialog-footer {
  display: grid;
  gap: 0.6rem;
}

.aw-messages-dialog-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
  min-block-size: 1rem;
  font-size: 0.75rem;
}

.aw-messages-dialog-error {
  color: hsl(var(--destructive));
}

.aw-messages-dialog-success {
  color: hsl(var(--primary));
  font-weight: 700;
}

.aw-messages-inline-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.aw-messages-hide-note {
  margin: 0;
  padding: 0.5rem 0.7rem;
  border-inline-start: 3px solid hsl(var(--primary) / 0.6);
  border-radius: 0.4rem;
  background: hsl(var(--primary) / 0.06);
  color: hsl(var(--muted-foreground));
  font-size: 0.78rem;
  line-height: 1.55;
}

/* Compact state inside the list panel (empty conversation list) */

.aw-messages-state-compact {
  min-block-size: 12rem;
  border: none;
  background: transparent;
  box-shadow: none;
}

/* Responsive collapse: one panel with thread-open swap */

@media (hover: none) {
  .aw-messages-thread-actions {
    opacity: 1;
  }
}

@media (max-width: 900px) {
  .aw-messages-shell {
    grid-template-columns: minmax(0, 1fr);
    block-size: clamp(26rem, calc(100svh - 20rem), 44rem);
  }

  .aw-messages-list-panel {
    border-inline-end: none;
  }

  .aw-messages-chat-panel {
    display: none;
  }

  .aw-messages-shell.is-thread-open .aw-messages-list-panel {
    display: none;
  }

  .aw-messages-shell.is-thread-open .aw-messages-chat-panel {
    display: grid;
  }

  .aw-messages-back {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .aw-messages-message {
    max-inline-size: 92%;
  }

  .aw-messages-image-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(8.5rem, 100%), 1fr));
  }

  .aw-messages-inline-actions {
    justify-content: stretch;
  }

  .aw-messages-inline-actions .aw-messages-btn {
    flex: 1 1 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .aw-messages-thread-actions {
    transition: none;
  }
}