/* Application shell: auth, sidebar, chat, composer, menus, motion.
   Telegram-familiar layout; restrained blue accent; light default. */

/* ==========================================================================
   Auth
   ========================================================================== */
.auth {
  min-height: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-0);
}
.auth__brand {
  position: relative;
  padding: var(--space-7);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(160deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  overflow: hidden;
}
.auth__brand::after {
  /* A single soft light sweep for depth; not a repeating texture. */
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(90% 70% at 18% 12%, rgba(255, 255, 255, 0.18), transparent 60%);
  pointer-events: none;
}
.auth__logo { display: flex; align-items: center; gap: var(--space-3); position: relative; }
.auth__mark {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  display: grid; place-items: center;
  backdrop-filter: blur(4px);
}
.auth__wordmark { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.auth__wordmark small { display: block; font-size: 12px; font-weight: 400; color: rgba(255, 255, 255, 0.8); letter-spacing: 0; }
.auth__pitch { position: relative; max-width: 40ch; }
.auth__pitch h2 { font-size: 32px; line-height: 1.25; letter-spacing: -0.02em; margin-bottom: var(--space-4); }
.auth__pitch p { color: rgba(255, 255, 255, 0.9); font-size: 15px; }
.auth__points { list-style: none; margin: var(--space-5) 0 0; padding: 0; display: grid; gap: var(--space-3); }
.auth__points li { display: flex; gap: var(--space-3); align-items: flex-start; color: rgba(255, 255, 255, 0.95); font-size: 14px; }
.auth__points .icon { color: #fff; margin-top: 2px; }
.auth__foot { position: relative; color: rgba(255, 255, 255, 0.75); font-size: 12.5px; }

.auth__panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  overflow-y: auto;
}
.auth__card { width: 100%; max-width: 380px; animation: authIn var(--dur-3) var(--ease); }
@keyframes authIn { from { opacity: 0; transform: translateY(8px); } }
.auth__tabs { display: flex; gap: var(--space-1); padding: 4px; background: var(--bg-2); border-radius: var(--radius-pill); margin-bottom: var(--space-5); }
.auth__tab {
  flex: 1; padding: 9px; border: none; background: transparent; color: var(--ink-3);
  border-radius: var(--radius-pill); font-size: 14px; font-weight: 500; cursor: pointer;
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}
.auth__tab[aria-selected="true"] { background: var(--bg-1); color: var(--ink-1); box-shadow: var(--shadow-1); }
.auth__title { font-size: 23px; margin-bottom: 6px; }
.auth__sub { color: var(--ink-3); font-size: 14px; margin-bottom: var(--space-5); }
.auth form { display: grid; gap: var(--space-4); }
.auth__note { margin-top: var(--space-5); padding: var(--space-3) var(--space-4); background: var(--bg-2); border-radius: var(--radius); font-size: 12.5px; color: var(--ink-3); display: flex; gap: var(--space-2); align-items: center; }

@media (max-width: 860px) {
  .auth { grid-template-columns: 1fr; }
  .auth__brand { display: none; }
  .auth__panel { padding: var(--space-5) var(--space-4); align-items: flex-start; padding-top: 10vh; }
}

/* ==========================================================================
   App shell
   ========================================================================== */
#root { height: 100%; }
.app {
  display: grid;
  grid-template-columns: var(--rail-w) 1fr;
  height: 100%;
  background: var(--bg-0);
  position: relative;
  overflow: hidden;
}
/* In RTL, the inline axis reverses, so the first grid column (the sidebar)
   lands on the right automatically. The template stays identical. */

/* ==========================================================================
   Sidebar (conversation list)
   ========================================================================== */
.rail {
  display: flex;
  flex-direction: column;
  background: var(--surface-rail);
  border-inline-end: 1px solid var(--line-1);
  min-height: 0;
  position: relative;
  z-index: 2;
}
.rail__top {
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 56px;
}
.rail__brand { display: flex; align-items: center; gap: 10px; }
.rail__mark {
  width: 34px; height: 34px; border-radius: var(--radius);
  background: var(--accent); color: #fff;
  display: grid; place-items: center; flex: none;
}
.rail__title { font-weight: 700; font-size: 16px; letter-spacing: -0.01em; }
.rail__search {
  padding: var(--space-1) var(--space-3) var(--space-2);
  position: relative;
}
.rail__search .icon {
  position: absolute;
  inset-inline-start: calc(var(--space-3) + 12px);
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-4);
  pointer-events: none;
  width: 18px; height: 18px;
}
.rail__search .input {
  padding-inline-start: 40px;
  border-radius: var(--radius-pill);
  background: var(--bg-2);
  border-color: transparent;
  height: 40px;
  padding-block: 0;
}
.rail__search .input:focus { background: var(--bg-1); border-color: var(--accent); }
.rail__filters { display: flex; gap: var(--space-1); padding: 0 var(--space-3) var(--space-2); }
.chip {
  border: 1px solid transparent; background: transparent; color: var(--ink-3);
  border-radius: var(--radius-pill); padding: 5px 12px; font-size: 13px; cursor: pointer;
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}
.chip:hover { background: var(--surface-hover); color: var(--ink-1); }
.chip[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent); font-weight: 500; }
.rail__list { flex: 1; overflow-y: auto; padding: var(--space-1) var(--space-2) var(--space-5); min-height: 0; }

.conv {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-3);
  padding: 9px var(--space-2);
  border-radius: var(--radius);
  cursor: pointer;
  align-items: center;
  transition: background var(--dur-1) var(--ease);
  border: none;
  width: 100%;
  background: transparent;
  text-align: start;
  color: inherit;
  position: relative;
}
.conv:hover { background: var(--surface-hover); }
.conv[aria-current="true"] { background: var(--accent-selected); color: #fff; }
.conv[aria-current="true"] .conv__preview,
.conv[aria-current="true"] .conv__time,
.conv[aria-current="true"] .conv__name { color: rgba(255, 255, 255, 0.9); }
.conv[aria-current="true"] .conv__unread { background: #fff; color: var(--accent); }
.conv__body { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.conv__name { font-weight: 500; font-size: 15px; display: flex; align-items: center; gap: 5px; }
.conv__name .pin { color: currentColor; opacity: 0.7; display: inline-flex; }
.conv__preview { color: var(--ink-3); font-size: 13.5px; display: flex; align-items: center; gap: 5px; }
.conv__preview .icon { width: 15px; height: 15px; }
.conv__meta { text-align: end; display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.conv__time { font-size: 12px; color: var(--ink-4); }
.conv__unread {
  min-width: 21px; height: 21px; padding: 0 6px;
  border-radius: var(--radius-pill);
  background: var(--accent); color: #fff;
  font-size: 12px; font-weight: 600;
  display: grid; place-items: center;
}
.conv__muted { color: var(--ink-4); display: inline-flex; }
.conv[aria-current="true"] .conv__muted { color: rgba(255, 255, 255, 0.8); }
.conv__pin-icon { color: var(--ink-4); display: inline-flex; }

/* Floating new-chat button */
.fab {
  position: absolute;
  bottom: var(--space-4);
  inset-inline-end: var(--space-4);
  width: 52px; height: 52px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #fff;
  border: none;
  display: grid; place-items: center;
  cursor: pointer;
  box-shadow: var(--shadow-2);
  transition: transform var(--dur-1) var(--ease), background var(--dur-1) var(--ease);
  z-index: 5;
}
.fab:hover { background: var(--accent-strong); }
.fab:active { transform: scale(0.94); }
.fab .icon { width: 26px; height: 26px; }

/* ==========================================================================
   Chat panel
   ========================================================================== */
.thread {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--surface-wallpaper);
  position: relative;
}
.thread__head {
  display: flex; align-items: center; gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--surface-header);
  border-bottom: 1px solid var(--line-1);
  min-height: 54px;
  z-index: 3;
}
.thread__head .avatar--sm { width: 38px; height: 38px; font-size: 15px; }
.thread__id {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 2px 4px;
  margin-inline-start: -4px;
  transition: background var(--dur-1) var(--ease);
}
.thread__id:hover { background: var(--surface-hover); }
.thread__name { font-weight: 600; font-size: 15.5px; }
.thread__sub { font-size: 13px; color: var(--ink-3); display: flex; align-items: center; gap: 5px; }
.thread__sub.is-online { color: var(--accent); }
.thread__sub.is-typing { color: var(--accent); }
.thread__actions { margin-inline-start: auto; display: flex; gap: var(--space-1); align-items: center; }
.thread__enc-badge { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--ink-3); padding-inline-end: var(--space-2); }

/* Scroll region */
.thread__scroll {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-5) var(--space-3);
  min-height: 0;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
}
.thread__daydivider {
  display: flex; align-items: center; justify-content: center;
  margin: var(--space-4) 0 var(--space-3);
}
.thread__daydivider span {
  background: color-mix(in srgb, var(--ink-3) 14%, transparent);
  color: var(--ink-2);
  font-size: 12px; font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
}

/* Messages */
.msg {
  display: flex;
  gap: var(--space-2);
  margin-bottom: 3px;
  align-items: flex-end;
}
/* Only genuinely new messages animate in; rerenders do not re-trigger it. */
.msg--enter { animation: msgIn var(--dur-2) var(--ease); }
@keyframes msgIn { from { opacity: 0; transform: translateY(7px); } }
.msg--out { flex-direction: row-reverse; }
[dir="rtl"] .msg { flex-direction: row-reverse; }
[dir="rtl"] .msg--out { flex-direction: row; }
.msg--grouped { margin-bottom: 1px; }
.msg__avatar { align-self: flex-end; }
.msg__avatar--spacer { width: 30px; flex: none; }
.msg__col { max-width: min(72%, 560px); display: flex; flex-direction: column; gap: 3px; }
.msg--out .msg__col { align-items: flex-end; }
.msg__author { font-size: 12.5px; font-weight: 600; color: var(--accent); padding-inline-start: 12px; margin-bottom: 1px; }
.msg__bubble {
  padding: 7px 12px 6px;
  border-radius: var(--radius-bubble);
  background: var(--bubble-in);
  color: var(--ink-1);
  position: relative;
  word-wrap: break-word;
  overflow-wrap: anywhere;
  border: 1px solid var(--bubble-in-line);
  font-size: 14.5px;
  line-height: 1.45;
  box-shadow: var(--shadow-1);
}
.msg--out .msg__bubble {
  background: var(--bubble-out);
  border-color: transparent;
  border-end-end-radius: 5px;
}
.msg--in .msg__bubble { border-end-start-radius: 5px; }
.msg--grouped.msg--out .msg__bubble { border-end-end-radius: var(--radius-bubble); }
.msg--grouped.msg--in .msg__bubble { border-end-start-radius: var(--radius-bubble); }
.msg--last.msg--out .msg__bubble { border-end-end-radius: 5px; }
.msg--last.msg--in .msg__bubble { border-end-start-radius: 5px; }
.msg__bubble--deleted { font-style: italic; color: var(--ink-3); background: transparent; border-style: dashed; box-shadow: none; }
.msg__meta {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11.5px; color: var(--bubble-meta);
  float: inline-end;
  margin: 2px -4px -2px 8px;
  position: relative;
  top: 3px;
}
.msg--in .msg__meta { color: var(--ink-4); }
.msg__edited { font-style: italic; }
.msg__state { display: inline-flex; align-items: center; color: var(--accent); }
.msg__state .icon { width: 15px; height: 15px; }
.msg--out .msg__state { color: var(--accent); }
.msg--out .msg__state.is-read { color: var(--accent); }
.msg__reply-context {
  border-inline-start: 2px solid var(--accent);
  padding: 2px 8px; margin-bottom: 5px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-radius: 6px;
  font-size: 12.5px; color: var(--ink-2);
  display: flex; align-items: center; gap: 6px;
  cursor: pointer;
}
.msg__reply-context b { font-size: 12.5px; color: var(--accent); font-weight: 600; }

/* Message hover actions */
.msg__actions {
  display: flex; gap: 2px;
  opacity: 0;
  transform: translateY(2px);
  transition: opacity var(--dur-1) var(--ease), transform var(--dur-1) var(--ease);
  align-self: center;
}
.msg:hover .msg__actions, .msg:focus-within .msg__actions { opacity: 1; transform: translateY(0); }
.msg__actions .btn--icon { width: 32px; height: 32px; color: var(--ink-3); }
.msg__actions .btn--icon:hover { background: var(--bg-2); color: var(--ink-1); }

/* Reactions */
.msg__reactions { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 3px; }
.reaction {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 9px; border-radius: var(--radius-pill);
  background: var(--bubble-in); border: 1px solid var(--line-1);
  font-size: 13px; cursor: pointer; color: var(--ink-2);
  transition: transform var(--dur-fast) var(--ease), background var(--dur-1) var(--ease);
}
.reaction:hover { transform: scale(1.06); }
.reaction:active { transform: scale(0.96); }
.reaction.pop { animation: reactionPop var(--dur-2) var(--ease); }
@keyframes reactionPop { 0% { transform: scale(1); } 40% { transform: scale(1.25); } 100% { transform: scale(1); } }

/* Media & attachments */
.msg__media { border-radius: var(--radius); overflow: hidden; margin: -3px -8px 2px; max-width: 100%; }
.msg__media img, .msg__media video { display: block; max-width: 100%; max-height: 380px; border-radius: var(--radius); }
.msg__audio { display: flex; align-items: center; gap: var(--space-3); padding: 4px 2px; min-width: 220px; }
.msg__audio audio { width: 100%; height: 36px; }
.recording { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) var(--space-3); background: var(--bg-2); border-radius: var(--radius); }
.recording__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--danger); animation: pulse 1.2s var(--ease) infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(0.85); } }

.file-chip {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 8px 10px; background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-radius: var(--radius); text-decoration: none; color: inherit;
  transition: background var(--dur-1) var(--ease);
}
.file-chip:hover { background: color-mix(in srgb, var(--accent) 16%, transparent); }
.file-chip__icon { width: 40px; height: 40px; border-radius: var(--radius-pill); background: var(--accent); color: #fff; display: grid; place-items: center; flex: none; }

/* ==========================================================================
   Composer
   ========================================================================== */
.composer {
  background: var(--surface-header);
  border-top: 1px solid var(--line-1);
  padding: var(--space-2) var(--space-3) var(--space-3);
  position: relative;
  z-index: 3;
}
.composer__reply {
  display: flex; align-items: center; gap: var(--space-2);
  padding: 8px 12px; margin-bottom: var(--space-2);
  background: var(--bg-2); border-radius: var(--radius);
  border-inline-start: 2px solid var(--accent);
  font-size: 13px; color: var(--ink-2);
  animation: replyIn var(--dur-2) var(--ease);
}
@keyframes replyIn { from { opacity: 0; transform: translateY(6px); } }
.composer__box {
  display: flex; align-items: flex-end; gap: var(--space-1);
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  padding: 4px;
  transition: border-color var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}
.composer__box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.composer__input {
  flex: 1; background: transparent; border: none; color: var(--ink-1);
  resize: none; max-height: 180px; padding: 9px 6px; font-size: 15px; line-height: 1.45;
}
.composer__input:focus { outline: none; }
.composer__input::placeholder { color: var(--ink-4); }
.composer__send {
  width: 42px; height: 42px; border-radius: var(--radius-pill); padding: 0;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-1) var(--ease);
}
.composer__send:active { transform: scale(0.9); }
.composer__send.bump { animation: sendBump var(--dur-2) var(--ease); }
@keyframes sendBump { 0% { transform: scale(1); } 45% { transform: scale(1.14); } 100% { transform: scale(1); } }
.composer__enc { display: flex; align-items: center; gap: 6px; justify-content: center; margin-top: 6px; font-size: 11.5px; color: var(--ink-4); }
.composer__enc .icon { width: 13px; height: 13px; }

/* Attachment staging */
.attach-preview { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-2); }
.attach-preview:empty { display: none; }
.attach-thumb {
  position: relative; width: 88px; height: 88px;
  border-radius: var(--radius); overflow: hidden; background: var(--bg-3);
  border: 1px solid var(--line-1);
  animation: attachIn var(--dur-2) var(--ease);
}
@keyframes attachIn { from { opacity: 0; transform: scale(0.9); } }
.attach-thumb img, .attach-thumb video { width: 100%; height: 100%; object-fit: cover; }
.attach-thumb__x {
  position: absolute; top: 4px; inset-inline-end: 4px;
  background: rgba(0,0,0,0.6); border: none; color: #fff; border-radius: 50%;
  width: 22px; height: 22px; cursor: pointer; display: grid; place-items: center;
  transition: background var(--dur-1) var(--ease);
}
.attach-thumb__x:hover { background: rgba(0,0,0,0.8); }
.attach-thumb__name { position: absolute; bottom: 0; inset-inline: 0; background: rgba(0,0,0,0.6); color: #fff; font-size: 10px; padding: 2px 5px; }

/* ==========================================================================
   Menus (context / dropdown)
   ========================================================================== */
.menu {
  position: fixed;
  z-index: 80;
  min-width: 190px;
  max-width: 260px;
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-menu);
  padding: 5px;
  transform-origin: top;
  animation: menuIn var(--dur-1) var(--ease);
}
@keyframes menuIn { from { opacity: 0; transform: scale(0.96) translateY(-4px); } }
.menu__item {
  display: flex; align-items: center; gap: var(--space-3);
  width: 100%; padding: 9px 10px; border: none; background: transparent;
  color: var(--ink-1); font-size: 14px; text-align: start; cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease);
}
.menu__item:hover { background: var(--surface-hover); }
.menu__item .icon { color: var(--ink-3); width: 19px; height: 19px; }
.menu__item.danger { color: var(--danger); }
.menu__item.danger .icon { color: var(--danger); }
.menu__sep { height: 1px; background: var(--line-1); margin: 5px 4px; }

/* Emoji quick picker */
.emoji-pop {
  display: flex; gap: 2px; padding: 5px;
  background: var(--bg-1); border: 1px solid var(--line-2);
  border-radius: var(--radius-pill); box-shadow: var(--shadow-menu);
  position: fixed; z-index: 80;
  animation: menuIn var(--dur-1) var(--ease);
}
.emoji-pop button {
  width: 36px; height: 36px; border: none; background: transparent; cursor: pointer;
  font-size: 20px; border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.emoji-pop button:hover { background: var(--surface-hover); transform: scale(1.12); }
.emoji-pop--grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2px;
  border-radius: var(--radius);
  padding: 8px;
  max-width: 260px;
}
.emoji-pop--grid button { width: 38px; height: 38px; font-size: 22px; }

/* ==========================================================================
   Modal / drawer
   ========================================================================== */
.drawer {
  position: fixed; inset: 0; z-index: 60;
  display: grid; place-items: center;
  padding: var(--space-4);
}
.drawer__scrim {
  position: absolute; inset: 0;
  background: rgba(16, 23, 32, 0.45);
  animation: fade var(--dur-2) var(--ease);
}
:root[data-theme="dark"] .drawer__scrim { background: rgba(0, 0, 0, 0.55); }
@keyframes fade { from { opacity: 0; } }
.modal {
  position: relative;
  width: 100%; max-width: 460px;
  max-height: 88vh; overflow-y: auto;
  background: var(--bg-1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
  animation: rise var(--dur-3) var(--ease);
}
@keyframes rise { from { opacity: 0; transform: translateY(10px) scale(0.99); } }
.modal--wide { max-width: 600px; }
.modal__head {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--line-1);
  position: sticky; top: 0; background: var(--bg-1); z-index: 1;
}
.modal__head h3 { font-size: 16px; }
.modal__body { padding: var(--space-4); display: grid; gap: var(--space-4); }
.modal__foot { padding: var(--space-3) var(--space-4); border-top: 1px solid var(--line-1); display: flex; justify-content: flex-end; gap: var(--space-2); }

.settings-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.settings-row {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 10px 10px; border-radius: var(--radius-sm); cursor: pointer;
  border: none; width: 100%; background: transparent; color: inherit; text-align: start;
  transition: background var(--dur-1) var(--ease);
}
.settings-row:hover { background: var(--surface-hover); }
.settings-row .icon { color: var(--ink-3); }
.settings-row.danger { color: var(--danger); }
.settings-row.danger .icon { color: var(--danger); }

/* Toggle */
.toggle { position: relative; width: 40px; height: 23px; flex: none; }
.toggle input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.toggle span { position: absolute; inset: 0; background: var(--bg-4); border-radius: var(--radius-pill); transition: background var(--dur-2) var(--ease); }
.toggle span::after { content: ""; position: absolute; top: 2.5px; inset-inline-start: 2.5px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: var(--shadow-1); transition: transform var(--dur-2) var(--ease); }
.toggle input:checked + span { background: var(--accent); }
.toggle input:checked + span::after { transform: translateX(17px); }
[dir="rtl"] .toggle input:checked + span::after { transform: translateX(-17px); }

/* ==========================================================================
   Toasts
   ========================================================================== */
.toasts {
  position: fixed; bottom: var(--space-5); inset-inline-start: 50%;
  transform: translateX(-50%); z-index: 100;
  display: flex; flex-direction: column; gap: var(--space-2); align-items: center;
  pointer-events: none; width: max-content; max-width: 92vw;
}
[dir="rtl"] .toasts { transform: translateX(50%); }
.toast {
  display: flex; align-items: center; gap: var(--space-3);
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  padding: 10px 16px; border-radius: var(--radius);
  box-shadow: var(--shadow-2); font-size: 13.5px;
  animation: toastIn var(--dur-2) var(--ease);
}
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } }
.toast.out { animation: toastOut var(--dur-2) var(--ease) forwards; }
@keyframes toastOut { to { opacity: 0; transform: translateY(10px); } }
.toast--ok .icon { color: var(--ok); }
.toast--error { border-color: var(--danger); }
.toast--error .icon { color: var(--danger); }
.toast .icon { color: var(--accent); }

/* ==========================================================================
   Connection status (unobtrusive)
   ========================================================================== */
.conn {
  display: flex; align-items: center; gap: var(--space-2);
  justify-content: center; font-size: 12.5px; padding: 5px;
  background: var(--warn-soft); color: var(--warn);
  animation: connIn var(--dur-2) var(--ease);
}
@keyframes connIn { from { opacity: 0; } }
.conn.is-offline { background: var(--danger-soft); color: var(--danger); }
.conn.is-online { display: none; }
.conn .icon { width: 15px; height: 15px; }

/* ==========================================================================
   Identity / verification, notices
   ========================================================================== */
.verify-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-2); font-variant-numeric: tabular-nums; }
.verify-cell {
  background: var(--bg-2); border-radius: var(--radius-sm);
  padding: 8px 6px; text-align: center; font-size: 15px;
  letter-spacing: 0.08em; font-weight: 500;
}
.notice { display: flex; gap: var(--space-3); padding: var(--space-3) var(--space-4); border-radius: var(--radius); font-size: 13px; align-items: flex-start; }
.notice--warn { background: var(--warn-soft); color: var(--warn); }
.notice--danger { background: var(--danger-soft); color: var(--danger); }
.notice--info { background: var(--accent-soft); color: var(--accent); }
.notice .icon { flex: none; }

.member-row { display: flex; align-items: center; gap: var(--space-3); padding: 7px 4px; }
.member-row .grow { min-width: 0; }

/* ==========================================================================
   Scroll-to-bottom pill
   ========================================================================== */
.scroll-bottom {
  position: absolute; bottom: 88px; inset-inline-end: var(--space-5);
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--bg-1); border: 1px solid var(--line-2);
  display: grid; place-items: center; cursor: pointer;
  box-shadow: var(--shadow-2); color: var(--ink-2);
  opacity: 0; transform: translateY(8px); pointer-events: none;
  transition: opacity var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
  z-index: 4;
}
.scroll-bottom.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.scroll-bottom .badge-count {
  position: absolute; top: -3px; inset-inline-end: -3px;
  min-width: 20px; height: 20px; padding: 0 5px;
  border-radius: var(--radius-pill); background: var(--accent); color: #fff;
  font-size: 11px; font-weight: 600; display: grid; place-items: center;
}

/* ==========================================================================
   Mobile: list first, chat slides in
   ========================================================================== */
.thread__back { display: none; }

@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .rail { position: absolute; inset: 0; z-index: 20; }
  .thread {
    position: absolute; inset: 0; z-index: 30;
    transform: translateX(100%);
    transition: transform var(--dur-3) var(--ease);
    will-change: transform;
  }
  [dir="rtl"] .thread { transform: translateX(-100%); }
  .app[data-view="thread"] .thread { transform: translateX(0); }
  .app[data-view="thread"] .rail { transform: translateX(-12%); opacity: 0.6; transition: transform var(--dur-3) var(--ease), opacity var(--dur-3) var(--ease); }
  [dir="rtl"] .app[data-view="thread"] .rail { transform: translateX(12%); }
  .app[data-view="list"] .rail { transform: translateX(0); opacity: 1; }
  .thread__back { display: inline-flex; }
  .msg__col { max-width: 84%; }
  .thread__scroll { padding: var(--space-3) var(--space-3); }
  .thread__head { padding: var(--space-1) var(--space-2); }
  .composer { padding: var(--space-2); }
}

/* Narrow desktop / small laptop */
@media (min-width: 821px) and (max-width: 1100px) {
  :root { --rail-w: 300px; }
}