:root {
  color-scheme: light;
  --app-height: 100svh;
  --composer-height: 0px;
  --keyboard-offset: 0px;
  --bg: #f3f6fb;
  --bg-elevated: rgba(255, 255, 255, 0.82);
  --surface: #ffffff;
  --surface-alt: #f5f8fc;
  --surface-muted: #eef2f8;
  --surface-strong: #d8e4f6;
  --text: #162033;
  --text-soft: #5a6a82;
  --text-faint: #8190a8;
  --line: rgba(24, 39, 75, 0.09);
  --accent: #1c66f2;
  --accent-soft: rgba(28, 102, 242, 0.12);
  --accent-strong: #0f4ed1;
  --success: #1e9d73;
  --warning: #da8e14;
  --danger: #d44c4c;
  --danger-soft: rgba(212, 76, 76, 0.12);
  --shadow: 0 18px 50px rgba(17, 33, 68, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --sidebar-width: 320px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
  font-family: "Pretendard Variable", "SUIT Variable", "Noto Sans KR",
    "Segoe UI", sans-serif;
}

body[data-theme="dark"] {
  color-scheme: dark;
  --bg: #08121d;
  --bg-elevated: rgba(7, 18, 31, 0.86);
  --surface: #0f1d2b;
  --surface-alt: #122235;
  --surface-muted: #102030;
  --surface-strong: #17324c;
  --text: #f2f7ff;
  --text-soft: #b6c4d8;
  --text-faint: #7e92af;
  --line: rgba(171, 191, 221, 0.12);
  --accent: #5ca8ff;
  --accent-soft: rgba(92, 168, 255, 0.16);
  --accent-strong: #2f87f2;
  --success: #41c296;
  --warning: #ffbf5c;
  --danger: #ff8e8e;
  --danger-soft: rgba(255, 142, 142, 0.16);
  --shadow: 0 22px 56px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(28, 102, 242, 0.1), transparent 34%),
    radial-gradient(circle at bottom right, rgba(35, 177, 167, 0.12), transparent 28%),
    var(--bg);
  color: var(--text);
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  height: var(--app-height);
  min-height: var(--app-height);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
  border: 0;
}

img,
video {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.shell {
  min-height: var(--app-height);
}

.landing {
  min-height: var(--app-height);
  display: grid;
  place-items: center;
  padding: max(24px, calc(24px + var(--safe-top))) 24px
    calc(24px + var(--safe-bottom));
}

.landing-card {
  width: min(1120px, 100%);
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(300px, 0.8fr);
  gap: 28px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(160deg, var(--bg-elevated), rgba(255, 255, 255, 0.55));
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.landing-language-toggle {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.landing-language-button {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text-main);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 0.94rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.landing-language-button:hover {
  transform: translateY(-1px);
  border-color: rgba(28, 102, 242, 0.42);
}

.landing-language-button.active {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 14px 24px rgba(28, 102, 242, 0.22);
}

body[data-theme="dark"] .landing-language-button {
  background: rgba(20, 34, 52, 0.82);
}

body[data-theme="dark"] .landing-card {
  background: linear-gradient(160deg, var(--bg-elevated), rgba(20, 34, 52, 0.55));
}

body[data-theme="dark"] .topbar {
  background:
    linear-gradient(180deg, rgba(8, 18, 29, 0.94), rgba(8, 18, 29, 0.84)),
    var(--bg);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  padding: 36px;
  background:
    linear-gradient(140deg, rgba(28, 102, 242, 0.22), rgba(35, 177, 167, 0.16)),
    var(--surface);
  border: 1px solid var(--line);
}

.hero-panel::before,
.hero-panel::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(16px);
  opacity: 0.9;
}

.hero-panel::before {
  width: 220px;
  height: 220px;
  right: -56px;
  top: -40px;
  background: rgba(28, 102, 242, 0.22);
}

.hero-panel::after {
  width: 180px;
  height: 180px;
  left: -38px;
  bottom: -52px;
  background: rgba(35, 177, 167, 0.18);
}

.eyebrow {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--accent-strong);
  font-size: 0.85rem;
  font-weight: 700;
}

body[data-theme="dark"] .eyebrow {
  background: rgba(20, 34, 52, 0.64);
}

.brand {
  position: relative;
  z-index: 1;
  margin: 22px 0 14px;
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 0.92;
  letter-spacing: -0.06em;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 38ch;
  margin: 0;
  color: var(--text-soft);
  font-size: 1.02rem;
  line-height: 1.65;
}

.hero-points {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.metric {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

body[data-theme="dark"] .metric {
  background: rgba(13, 25, 39, 0.72);
  border-color: rgba(171, 191, 221, 0.08);
}

.metric strong {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.metric span {
  color: var(--text-soft);
  font-size: 0.93rem;
}

.entry-panel {
  padding: 30px;
  border-radius: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.section-title {
  margin: 0;
  font-size: 1.42rem;
  letter-spacing: -0.03em;
}

.section-copy {
  margin: 8px 0 0;
  color: var(--text-soft);
  line-height: 1.6;
}

.form-grid,
.field {
  display: grid;
  gap: 16px;
}

.field label {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--text-soft);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-alt);
  color: var(--text);
  padding: 15px 16px;
  outline: none;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(28, 102, 242, 0.42);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.field-hint,
.helper {
  color: var(--text-faint);
  font-size: 0.88rem;
}

.button-row,
.stack-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 16px;
  font-weight: 700;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:disabled {
  cursor: not-allowed;
  transform: none;
  opacity: 0.56;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  box-shadow: 0 10px 20px rgba(28, 102, 242, 0.22);
}

.button-secondary {
  background: var(--surface-alt);
  color: var(--text);
  border: 1px solid var(--line);
}

.button-soft {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.button-danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.button-ghost {
  background: transparent;
  color: var(--text-soft);
  border: 1px dashed var(--line);
}

.app-shell {
  min-height: var(--app-height);
  height: var(--app-height);
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding-top: var(--safe-top);
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px 12px;
  position: sticky;
  top: 0;
  z-index: 30;
  background:
    linear-gradient(180deg, rgba(243, 246, 251, 0.94), rgba(243, 246, 251, 0.82)),
    var(--bg);
  backdrop-filter: blur(16px);
}

.topbar-left,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.status-cluster {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.brand-chip,
.profile-chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.brand-chip-button {
  appearance: none;
  border: 0;
  cursor: pointer;
  text-align: left;
}

.brand-mark,
.avatar {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #23b1a7);
  color: white;
  font-weight: 800;
}

.brand-meta strong,
.brand-meta span,
.profile-text strong,
.profile-text span {
  display: block;
}

.brand-meta span,
.profile-text span {
  color: var(--text-faint);
  font-size: 0.84rem;
}

.workspace {
  min-height: 0;
  overflow: hidden;
  padding: 0 22px calc(18px + var(--safe-bottom));
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: 18px;
}

.workspace.workspace-single {
  grid-template-columns: minmax(0, 1fr);
  padding-bottom: 12px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.sidebar {
  display: grid;
  grid-template-rows: auto auto 1fr;
  min-height: 0;
}

.sidebar-header,
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--line);
}

.sidebar-header h2,
.panel-header h2,
.drawer-title {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.sidebar-copy,
.panel-copy,
.drawer-copy {
  margin: 6px 0 0;
  color: var(--text-faint);
  font-size: 0.88rem;
}

.sidebar-tools {
  padding: 0 18px 14px;
  display: grid;
  gap: 12px;
}

.search-box {
  position: relative;
}

.search-box input {
  width: 100%;
  padding-left: 44px;
}

.search-box::before {
  content: "⌕";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  font-size: 1rem;
}

.room-list {
  min-height: 0;
  overflow: auto;
  padding: 6px 12px 16px;
}

.room-card {
  width: 100%;
  margin-bottom: 10px;
  padding: 15px 14px;
  border-radius: 20px;
  border: 1px solid transparent;
  background: var(--surface-alt);
  display: grid;
  gap: 10px;
  text-align: left;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.room-card:hover {
  transform: translateY(-1px);
}

.room-card.active {
  border-color: rgba(28, 102, 242, 0.32);
  background: linear-gradient(140deg, var(--accent-soft), transparent 60%), var(--surface-alt);
}

.room-card.expired {
  opacity: 0.76;
}

.room-topline,
.meta-row,
.message-meta,
.invite-row,
.settings-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.room-topline {
  justify-content: space-between;
}

.room-title-wrap strong {
  display: block;
  font-size: 1rem;
}

.room-title-wrap span {
  color: var(--text-faint);
  font-size: 0.85rem;
}

.pill,
.status-pill,
.tiny-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text-soft);
  font-size: 0.82rem;
  font-weight: 700;
}

.status-pill {
  min-height: 24px;
  padding: 0 10px;
}

.tiny-pill {
  min-height: 20px;
  padding: 0 8px;
  font-size: 0.75rem;
}

.pill-accent {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.pill-danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.pill-success {
  background: rgba(30, 157, 115, 0.12);
  color: var(--success);
}

.pill-warning {
  background: rgba(218, 142, 20, 0.14);
  color: var(--warning);
}

.unread-badge {
  min-width: 28px;
  min-height: 28px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: white;
  font-weight: 800;
  font-size: 0.82rem;
}

.main-panel {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
}

.main-panel.main-panel-single {
  grid-template-columns: minmax(0, 1fr);
}

.chat-panel {
  min-height: 0;
  height: 100%;
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(28, 102, 242, 0.03), transparent 20%), var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px 16px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(28, 102, 242, 0.06), transparent), var(--surface);
  position: sticky;
  top: 0;
  z-index: 4;
}

.chat-headline h2 {
  margin: 0;
  font-size: 1.28rem;
  letter-spacing: -0.04em;
}

.chat-headline p {
  margin: 6px 0 0;
  color: var(--text-faint);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.menu-icon-button {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 1.4rem;
  line-height: 1;
}

.menu-icon-button.close {
  width: 36px;
  height: 36px;
  font-size: 1.2rem;
}

.chat-scroll {
  min-height: 0;
  overflow: auto;
  padding: 22px 20px 18px;
  display: grid;
  gap: 18px;
  align-content: start;
  scroll-behavior: auto;
  overscroll-behavior: contain;
}

.chat-details-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 11, 20, 0.3);
  z-index: 5;
}

.chat-details-panel {
  position: absolute;
  top: 86px;
  right: 18px;
  bottom: calc(92px + var(--safe-bottom));
  width: min(340px, calc(100% - 36px));
  z-index: 6;
  display: grid;
  grid-template-rows: auto auto 1fr;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.chat-details-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--line);
}

.chat-details-header strong,
.chat-details-header span {
  display: block;
}

.chat-details-header span {
  margin-top: 4px;
  color: var(--text-faint);
  font-size: 0.84rem;
}

.chat-details-actions {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.chat-details-actions .button {
  flex: 1;
}

.chat-details-list {
  min-height: 0;
  overflow: auto;
  padding: 14px 16px 16px;
  display: grid;
  gap: 10px;
}

.empty-state,
.expired-state {
  display: grid;
  place-items: center;
  min-height: 100%;
  padding: 40px 18px;
  text-align: center;
}

.empty-card,
.expired-card {
  width: min(520px, 100%);
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--surface-alt);
  padding: 28px;
}

.empty-card h3,
.expired-card h3 {
  margin: 0;
  font-size: 1.3rem;
}

.empty-card p,
.expired-card p {
  margin: 10px 0 0;
  color: var(--text-soft);
  line-height: 1.65;
}

.day-divider {
  justify-self: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  color: var(--text-faint);
  font-size: 0.82rem;
  font-weight: 700;
}

.message-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.message-row.mine {
  justify-content: flex-end;
}

.message-row.system {
  justify-content: center;
}

.message-row.typing {
  align-items: flex-start;
}

.system-bubble {
  max-width: min(560px, 100%);
  padding: 12px 16px;
  border-radius: 16px;
  background: var(--surface-alt);
  border: 1px dashed var(--line);
  color: var(--text-soft);
  text-align: center;
  font-size: 0.92rem;
}

.message-avatar {
  flex: 0 0 34px;
  padding-top: 2px;
}

.message-stack {
  max-width: min(76%, 620px);
  display: grid;
  gap: 4px;
}

.message-row.mine .message-stack {
  justify-items: end;
}

.message-main {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.message-row.mine .message-main {
  flex-direction: row-reverse;
}

.message-sender {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-soft);
  padding: 0 4px;
}

.bubble {
  max-width: 100%;
  position: relative;
  padding: 10px 14px;
  border-radius: 6px 16px 16px 16px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(191, 201, 214, 0.68);
  box-shadow: 0 8px 20px rgba(20, 38, 63, 0.06);
  overflow: hidden;
  overflow-wrap: anywhere;
}

.typing-bubble {
  padding: 12px 16px;
  border-radius: 20px;
  background: color-mix(in srgb, var(--surface-alt) 84%, var(--accent) 16%);
  border: 1px dashed color-mix(in srgb, var(--line) 72%, var(--accent) 28%);
  color: var(--text-soft);
  font-size: 0.93rem;
  line-height: 1.5;
}

.typing-bubble.compact {
  width: 100%;
  padding: 8px 12px;
  font-size: 0.76rem;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.message-row.mine .bubble {
  border-radius: 16px 6px 16px 16px;
  background: linear-gradient(180deg, rgba(223, 237, 255, 0.96), rgba(209, 228, 255, 0.92));
  border-color: rgba(118, 160, 224, 0.52);
  box-shadow: 0 10px 22px rgba(54, 104, 191, 0.12);
}

.message-row:not(.mine) .bubble {
  background: rgba(255, 255, 255, 0.98);
}

.message-avatar .avatar,
.message-avatar .avatar-image {
  width: 36px;
  height: 36px;
  border-radius: 999px;
}

.bubble p {
  margin: 0;
  line-height: 1.56;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.bubble .original-copy {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  color: var(--text-soft);
  font-size: 0.92rem;
}

.message-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.link-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--accent-strong);
  text-decoration: none;
  font-weight: 700;
}

.media-card {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.media-thumb {
  border-radius: 18px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.08);
  min-width: 240px;
}

.media-thumb img {
  width: 100%;
  object-fit: cover;
}

.video-card {
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 14px;
  display: grid;
  gap: 10px;
}

.media-expired-card {
  background: color-mix(in srgb, var(--surface) 86%, #ffcf7d 14%);
  border-style: dashed;
}

.video-meta strong,
.video-meta span {
  display: block;
}

.video-meta span {
  color: var(--text-faint);
  font-size: 0.86rem;
}

.file-card {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.file-card.static {
  cursor: default;
}

.message-footer {
  display: flex;
  align-items: flex-end;
  align-self: flex-end;
  gap: 5px;
  flex-wrap: wrap;
  justify-content: flex-start;
  max-width: 112px;
  padding: 0;
  color: var(--text-faint);
  font-size: 0.74rem;
  min-width: 44px;
  white-space: normal;
  line-height: 1.15;
  text-align: left;
}

.message-row.mine .message-footer {
  justify-content: flex-end;
  text-align: right;
}

.text-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: transparent;
  color: var(--accent-strong);
  border: 1px solid var(--line);
}

.message-footer > span,
.message-footer > button {
  flex: 0 0 auto;
}

.message-footer .text-button {
  flex: 0 1 auto;
  min-height: 22px;
  padding: 0 10px;
  line-height: 1;
  font-size: 0.72rem;
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.compact-meta-pill {
  min-width: 22px;
  width: 22px;
  height: 22px;
  padding: 0;
  justify-content: center;
  font-size: 0.74rem;
  line-height: 1;
}

.composer {
  border-top: 1px solid var(--line);
  padding: 14px 16px calc(14px + var(--safe-bottom));
  background: linear-gradient(180deg, rgba(28, 102, 242, 0.02), transparent), var(--surface);
}

.draft-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.composer-wrap.composer-inline {
  display: block;
}

.composer-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.composer-input {
  width: 100%;
  min-height: 54px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface-alt);
  color: var(--text);
  padding: 0 18px;
  outline: none;
}

.composer-input:focus {
  border-color: rgba(28, 102, 242, 0.42);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.composer-action-group {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-button,
.attach-option {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  color: var(--text);
}

.plus-trigger {
  font-size: 1.8rem;
  line-height: 1;
  font-weight: 500;
}

.send-button {
  min-height: 54px;
  border-radius: 18px;
}

.attachment-menu {
  position: absolute;
  right: 64px;
  bottom: calc(100% + 10px);
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.attachment-menu.open {
  display: flex;
}

.attach-option {
  padding: 0;
}

.icon-svg {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-svg svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.attachment-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  margin-bottom: 10px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface-alt);
}

.directory-dock {
  position: sticky;
  bottom: 0;
  z-index: 20;
  padding: 0 22px calc(18px + var(--safe-bottom));
  background: linear-gradient(180deg, transparent, rgba(243, 246, 251, 0.72) 18%, rgba(243, 246, 251, 0.94));
  backdrop-filter: blur(14px);
}

body[data-theme="dark"] .directory-dock {
  background: linear-gradient(180deg, transparent, rgba(8, 18, 29, 0.72) 18%, rgba(8, 18, 29, 0.94));
}

.directory-shell {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.directory-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 220ms ease;
}

.directory-dock.open .directory-panel {
  max-height: 360px;
}

.directory-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--line);
}

.directory-header strong {
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.directory-body {
  max-height: 300px;
  overflow: auto;
  padding: 0 14px 14px;
}

.directory-copy {
  padding: 14px 4px 10px;
  color: var(--text-faint);
  font-size: 0.88rem;
}

.directory-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 12px;
  background: linear-gradient(180deg, rgba(28, 102, 242, 0.03), transparent), var(--surface);
}

.directory-tab {
  min-height: 46px;
  border-radius: 16px;
  background: var(--surface-alt);
  border: 1px solid transparent;
  color: var(--text-soft);
  font-weight: 700;
}

.directory-tab.active {
  background: var(--accent-soft);
  border-color: rgba(28, 102, 242, 0.18);
  color: var(--accent-strong);
}

.tab-search-row {
  padding: 14px 4px 8px;
}

.compact-room-list,
.friend-list,
.my-info-grid {
  display: grid;
  gap: 10px;
}

.room-card.room-card-compact {
  margin-bottom: 0;
  padding: 14px 16px;
  gap: 8px;
}

.room-card-compact strong {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.room-icons {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.room-owner {
  display: block;
  color: var(--text-faint);
  font-size: 0.86rem;
  text-align: left;
}

.friend-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface-alt);
}

.friend-card strong {
  display: block;
}

.friend-card span {
  display: block;
  margin-top: 4px;
  color: var(--text-faint);
  font-size: 0.86rem;
}

.screen-panel {
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr;
}

.screen-panel-rooms {
  position: relative;
}

.screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--line);
}

.screen-header h2 {
  margin: 0;
  font-size: 1.08rem;
  letter-spacing: -0.03em;
}

.screen-body {
  min-height: 0;
  overflow: auto;
  padding: 14px 18px 18px;
}

.sticky-active-block {
  position: sticky;
  top: 0;
  z-index: 3;
  margin: -14px -18px 12px;
  padding: 14px 18px 12px;
  background: linear-gradient(180deg, var(--surface) 78%, rgba(255, 255, 255, 0));
}

body[data-theme="dark"] .sticky-active-block {
  background: linear-gradient(180deg, var(--surface) 78%, rgba(15, 29, 43, 0));
}

.active-room-row {
  display: flex;
  gap: 10px;
  overflow: auto;
  padding: 2px 0 8px;
}

.active-room-chip {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-alt);
  color: var(--text);
  white-space: nowrap;
  font-weight: 700;
}

.active-room-chip.active {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-color: rgba(28, 102, 242, 0.18);
}

.fab-create-room {
  position: absolute;
  right: 20px;
  bottom: 20px;
  width: 60px;
  height: 60px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  box-shadow: 0 16px 30px rgba(28, 102, 242, 0.3);
  display: grid;
  place-items: center;
  font-size: 2rem;
  line-height: 1;
  font-weight: 500;
  z-index: 5;
}

.fab-create-room:hover {
  transform: translateY(-2px);
}

.directory-dock.nav-only {
  padding-top: 0;
  background: transparent;
  backdrop-filter: none;
}

.directory-dock.nav-only .directory-shell {
  border: 0;
  background: transparent;
  box-shadow: none;
}

.directory-dock.nav-only .directory-tabs {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.tabs-only {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.side-column {
  min-height: 0;
  display: grid;
  gap: 18px;
  grid-template-rows: minmax(260px, auto) minmax(240px, auto);
}

.card-scroll {
  min-height: 0;
  overflow: auto;
  padding: 14px 18px 18px;
  display: grid;
  gap: 12px;
}

.info-card,
.invite-card,
.participant-card,
.setting-card {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface-alt);
}

.info-card strong,
.invite-card strong,
.participant-card strong {
  display: block;
}

.info-card span,
.invite-card span,
.participant-card span,
.setting-card span {
  display: block;
  margin-top: 4px;
  color: var(--text-faint);
  font-size: 0.86rem;
}

.participant-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.participant-row-start {
  min-width: 0;
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
}

.presence-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--text-faint);
}

.presence-dot.offline {
  background: var(--text-faint);
}

.presence-dot.online {
  background: var(--success);
}

.presence-dot.in-room {
  background: var(--accent);
}

.presence-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.presence-inline.compact {
  gap: 5px;
}

.presence-room-note {
  color: var(--text-faint);
  font-size: 0.72rem;
}

.drawer {
  position: fixed;
  inset: 0;
  z-index: 30;
  pointer-events: none;
}

.drawer.open {
  pointer-events: auto;
}

.drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 11, 20, 0.48);
  opacity: 0;
  transition: opacity 180ms ease;
}

.drawer.open .drawer-backdrop {
  opacity: 1;
}

.drawer-panel {
  position: absolute;
  top: 16px;
  right: 16px;
  bottom: calc(16px + var(--safe-bottom));
  width: min(430px, calc(100vw - 32px));
  border-radius: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-rows: auto 1fr auto;
  transform: translateX(20px);
  opacity: 0;
  transition: transform 180ms ease, opacity 180ms ease;
  overflow: hidden;
}

.drawer.open .drawer-panel {
  transform: translateX(0);
  opacity: 1;
}

.drawer-body {
  min-height: 0;
  overflow: auto;
  padding: 18px;
  display: grid;
  gap: 14px;
}

.drawer-footer {
  display: flex;
  justify-content: flex-end;
  padding: 14px 18px 18px;
  border-top: 1px solid var(--line);
}

.segmented {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border-radius: 999px;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  flex-wrap: wrap;
}

.segmented button {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: transparent;
  color: var(--text-soft);
  font-weight: 700;
}

.segmented button.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 4px 12px rgba(24, 39, 75, 0.1);
}

.modal-layer {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(4, 11, 20, 0.42);
}

.modal {
  width: min(540px, 100%);
  border-radius: 28px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.bottom-sheet-modal {
  width: min(520px, 100%);
  align-self: end;
  border-radius: 24px 24px 0 0;
}

.image-source-modal .modal-header {
  padding-bottom: 12px;
}

.image-source-actions {
  gap: 10px;
}

.image-source-actions .button {
  width: 100%;
  min-height: 48px;
}

.modal-header,
.modal-footer {
  padding: 18px 20px;
}

.modal-header {
  border-bottom: 1px solid var(--line);
}

.modal-header h3 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.modal-header p {
  margin: 6px 0 0;
  color: var(--text-soft);
}

.modal-body {
  padding: 18px 20px;
  display: grid;
  gap: 14px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  border-top: 1px solid var(--line);
}

.toast-stack {
  position: fixed;
  right: 18px;
  bottom: calc(18px + var(--safe-bottom));
  z-index: 50;
  display: grid;
  gap: 10px;
}

.toast {
  min-width: 260px;
  max-width: min(360px, calc(100vw - 36px));
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.toast strong {
  display: block;
  margin-bottom: 6px;
}

.toast p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.55;
}

.hidden-input {
  display: none;
}

.muted {
  color: var(--text-faint);
}

.mobile-only {
  display: none;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 280px minmax(0, 1fr);
  }

  .main-panel {
    grid-template-columns: minmax(0, 1fr);
  }

  .side-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;
  }

  .directory-dock.open .directory-panel {
    max-height: 340px;
  }
}

@media (max-width: 920px) {
  .landing-card {
    grid-template-columns: 1fr;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .sidebar {
    min-height: min(56vh, 480px);
  }

  .main-panel {
    min-height: 0;
  }

  .chat-panel {
    min-height: 0;
  }

  .side-column {
    grid-template-columns: 1fr;
  }

  .directory-dock {
    padding-inline: 14px;
  }
}

@media (max-width: 760px) {
  .topbar {
    padding-inline: 14px;
  }

  .workspace {
    padding-inline: 14px;
    padding-bottom: calc(14px + var(--safe-bottom));
  }

  .sidebar {
    display: none;
  }

  .sidebar.mobile-open {
    display: grid;
    position: fixed;
    inset: calc(78px + var(--safe-top)) 14px calc(14px + var(--safe-bottom));
    z-index: 25;
  }

  .chat-header {
    padding-inline: 14px;
  }

  .chat-scroll {
    padding-inline: 14px;
  }

  .chat-details-panel {
    top: 78px;
    right: 14px;
    width: min(320px, calc(100% - 28px));
  }

  .composer {
    padding-inline: 12px;
  }

  .composer-line {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .message-stack {
    max-width: 88%;
  }

  .mobile-only {
    display: inline-flex;
  }

  .directory-dock {
    padding-bottom: calc(12px + var(--safe-bottom));
  }

  .directory-header {
    padding-inline: 14px;
  }

  .directory-body {
    padding-inline: 10px;
  }

  .friend-card {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 620px) {
  .landing-language-toggle {
    justify-content: stretch;
  }

  .landing-language-button {
    flex: 1 1 0;
  }

  .hero-panel,
  .entry-panel,
  .drawer-panel,
  .modal {
    border-radius: 24px;
  }

  .topbar-left,
  .topbar-right {
    width: 100%;
    justify-content: space-between;
  }

  .status-cluster {
    width: 100%;
    justify-content: flex-start;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .profile-chip {
    width: 100%;
    justify-content: flex-start;
  }

  .chat-header {
    flex-direction: column;
    align-items: stretch;
  }

  .header-actions {
    justify-content: flex-start;
  }

  .chat-details-panel {
    top: 116px;
    right: 12px;
    left: 12px;
    bottom: calc(88px + var(--safe-bottom));
    width: auto;
  }

  .chat-details-actions {
    flex-direction: column;
  }

  .composer-line {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .composer-action-group {
    justify-content: flex-end;
  }

  .attachment-menu {
    right: 0;
  }

  .landing {
    padding-inline: 16px;
  }

  .directory-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .directory-dock.open .directory-panel {
    max-height: 52vh;
  }
}
/* Mobile 9:16 refresh for test build */
#app {
  height: 100%;
  min-height: var(--app-height);
  overflow: hidden;
}

.shell {
  width: min(100%, 430px);
  margin: 0 auto;
}

.landing {
  padding: max(14px, calc(14px + var(--safe-top))) 14px calc(14px + var(--safe-bottom));
}

.landing-card-minimal {
  width: 100%;
  min-height: calc(var(--app-height) - 28px - var(--safe-top) - var(--safe-bottom));
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  padding: 18px;
  border-radius: 28px;
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(15, 28, 55, 0.08);
}

.landing-flag-toggle {
  position: absolute;
  top: max(10px, calc(10px + var(--safe-top)));
  right: 12px;
  gap: 6px;
}

.landing-language-button {
  width: 34px;
  height: 34px;
  padding: 0;
  display: grid;
  place-items: center;
  border-radius: 999px;
  font-size: 16px;
  box-shadow: none;
}

.landing-minimal-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.landing-brand-minimal {
  margin: 0;
  font-size: clamp(2.2rem, 11vw, 3.4rem);
  letter-spacing: -0.06em;
}

.landing-minimal-form {
  width: 100%;
}

.landing-input-row {
  display: grid;
  grid-template-columns: 1fr 44px;
  gap: 8px;
  align-items: center;
}

.landing-input-row input {
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0 16px;
  background: var(--surface-alt);
  color: var(--text);
  font-size: 0.95rem;
}

.landing-submit-button {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: var(--accent);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
}

.mobile-shell {
  min-height: var(--app-height);
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  overflow: hidden;
}

.mobile-shell .workspace-single {
  flex: 1;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.mobile-shell:not(.in-room) .workspace-single {
  padding-bottom: calc(82px + var(--safe-bottom));
}

.mobile-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(10px + var(--safe-top)) 14px 10px;
  background: rgba(243, 246, 251, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

body[data-theme="dark"] .mobile-topbar {
  background: rgba(8, 18, 29, 0.92);
}

.brand-chip.compact,
.profile-chip.compact {
  gap: 8px;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.brand-chip-button.brand-chip.compact {
  padding: 6px 4px;
  margin: -6px -4px;
}

.brand-chip.compact .brand-mark,
.profile-chip.compact .avatar {
  width: 34px;
  height: 34px;
  border-radius: 12px;
}

.brand-chip.compact .brand-meta strong,
.profile-chip.compact .profile-text strong {
  font-size: 0.9rem;
}

.brand-chip.compact .brand-meta span,
.profile-chip.compact .profile-text span,
.mobile-screen-header .panel-copy {
  display: none;
}

.mobile-screen {
  min-height: 100%;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.mobile-screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px 10px;
  border-bottom: 0;
}

.mobile-screen-header h2 {
  margin: 0;
  font-size: 1rem;
}

.mobile-header-actions {
  display: flex;
  gap: 8px;
}

.mobile-icon-button {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 1rem;
}

.mobile-icon-button.accent {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.mobile-list-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 14px 14px;
}

.mobile-room-card {
  margin: 0;
  padding: 14px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  text-align: left;
  box-shadow: none;
}

.mobile-room-card .room-topline {
  align-items: center;
}

.mobile-room-card strong {
  font-size: 0.96rem;
}

.mobile-room-owner,
.room-preview {
  display: block;
  margin-top: 6px;
  color: var(--text-soft);
  font-size: 0.77rem;
  line-height: 1.35;
}

.mobile-friend-card {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.friend-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.tiny-status {
  font-size: 0.72rem;
  color: var(--text-soft);
}

.tiny-status.in-room,
.tiny-status.online {
  color: var(--accent-strong);
}

.my-info-mobile {
  gap: 10px;
}

.setting-card.compact {
  padding: 14px;
  border-radius: 18px;
}

.compact-field {
  margin-top: 10px;
}

.compact-field input,
.compact-field select {
  min-height: 42px;
  border-radius: 14px;
}

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

.settings-switch-copy {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.settings-switch {
  position: relative;
  width: 52px;
  height: 32px;
  flex: 0 0 auto;
}

.settings-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.settings-switch-slider {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.45);
  transition: background-color 160ms ease;
}

.settings-switch-slider::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 3px 10px rgba(15, 23, 42, 0.18);
  transition: transform 160ms ease;
}

.settings-switch input:checked + .settings-switch-slider {
  background: rgba(37, 99, 235, 0.92);
}

.settings-switch input:checked + .settings-switch-slider::after {
  transform: translateX(20px);
}

.mobile-nav-dock {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: min(100%, 430px);
  padding: 8px 12px calc(12px + var(--safe-bottom));
  background: linear-gradient(180deg, rgba(243, 246, 251, 0), rgba(243, 246, 251, 0.96) 26%);
  z-index: 30;
}

body[data-theme="dark"] .mobile-nav-dock {
  background: linear-gradient(180deg, rgba(8, 18, 29, 0), rgba(8, 18, 29, 0.96) 26%);
}

.mobile-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

/* Added: profile and native-language extension UI */
.profile-chip-button {
  appearance: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
  text-align: left;
}

.avatar-image,
.landing-profile-image,
.list-profile-image,
.profile-edit-image {
  object-fit: cover;
}

.landing-minimal-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.landing-profile-picker-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

.landing-profile-picker {
  appearance: none;
  width: 56px;
  height: 56px;
  padding: 0;
  border: 0;
  border-radius: 18px;
  background: transparent;
  overflow: hidden;
  flex: 0 0 auto;
  cursor: pointer;
}

.landing-profile-image {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: block;
}

.landing-profile-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.landing-profile-copy strong {
  font-size: 0.88rem;
}

.landing-profile-copy span {
  font-size: 0.72rem;
  line-height: 1.4;
  color: var(--text-soft);
}

.landing-language-accordion {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.landing-ui-language-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.landing-ui-language-icon {
  font-size: 1rem;
  color: var(--text-soft);
}

.landing-ui-language-buttons {
  display: flex;
  gap: 8px;
}

.landing-ui-language-buttons .landing-language-button {
  width: 36px;
  height: 36px;
  min-width: 36px;
  padding: 0;
}

.landing-inline-helper {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--text-soft);
}

.landing-inline-helper.error {
  color: #d45a64;
}

.landing-checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-soft);
}

.landing-checkbox-row input {
  margin: 0;
  accent-color: var(--accent-strong);
}

.landing-language-accordion-trigger {
  appearance: none;
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
}

.landing-language-trigger-main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.landing-language-trigger-caret {
  color: var(--text-soft);
  font-size: 1rem;
}

.landing-language-accordion-panel {
  display: grid;
  gap: 8px;
}

.landing-language-option {
  appearance: none;
  width: 100%;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
}

.landing-language-option.active {
  border-color: rgba(43, 103, 255, 0.26);
  background: rgba(43, 103, 255, 0.08);
}

.landing-language-option-flag {
  font-size: 1rem;
}

.avatar-image {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: block;
  flex: 0 0 auto;
}

.mobile-friend-card {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
}

.list-profile-image {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: block;
  flex: 0 0 auto;
}

.friend-card-meta {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.friend-card-meta strong,
.profile-edit-copy strong {
  font-size: 0.92rem;
}

.friend-card-meta .helper,
.profile-edit-copy .helper {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.connection-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.connection-icon-button {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 12px;
  font: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  color: #fff;
}

.connection-icon-button.accept {
  background: #18a35b;
}

.connection-icon-button.reject {
  background: #ec5d68;
}

.connection-invite-button {
  min-height: 34px;
  padding: 0 12px;
  border-radius: 12px;
  flex: 0 0 auto;
}

.connection-state-pill {
  white-space: nowrap;
  flex: 0 0 auto;
}

.composer-input-shell {
  position: relative;
  min-width: 0;
  flex: 1;
}

.mobile-composer-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.mobile-composer .composer-input-shell .composer-input {
  padding-right: 48px;
}

.composer-inline-action {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  z-index: 2;
}

.profile-edit-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.profile-edit-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.profile-edit-image {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: block;
  flex: 0 0 auto;
}

.profile-edit-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.profile-edit-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.single-action-row {
  grid-template-columns: minmax(0, 1fr);
}

.pwa-install-card {
  margin-bottom: 6px;
}

.pwa-install-button {
  min-height: 44px;
}

.compact-field label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.76rem;
  color: var(--text-soft);
}

.mobile-tab {
  min-height: 54px;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.82);
}

body[data-theme="dark"] .mobile-tab {
  background: rgba(16, 32, 48, 0.92);
}

.mobile-tab span:last-child {
  font-size: 0.73rem;
  font-weight: 600;
}

.mobile-tab-icon {
  font-size: 1rem;
  line-height: 1;
}

.app-shell.in-room {
  width: min(100%, 430px);
  padding-top: 0;
}

.app-shell.in-room .workspace-single {
  min-height: 0;
  height: 100%;
  overflow: hidden;
  padding: 0;
}

.mobile-chat-room {
  min-height: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  overflow: hidden;
}

.mobile-chat-header {
  position: relative;
  flex: 0 0 auto;
  top: 0;
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  align-items: center;
  gap: 8px;
  padding: calc(8px + var(--safe-top)) 12px 10px;
  background: rgba(243, 246, 251, 0.94);
  backdrop-filter: blur(14px);
  z-index: 18;
}

body[data-theme="dark"] .mobile-chat-header {
  background: rgba(8, 18, 29, 0.94);
}

.mobile-chat-header h2 {
  margin: 0;
  font-size: 0.95rem;
  text-align: center;
}

.back-button,
.mobile-chat-header .menu-icon-button {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.participant-strip {
  display: flex;
  gap: 6px;
  flex: 0 0 auto;
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding: 0 12px 8px;
}

.participant-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 0.74rem;
}

.mobile-chat-room .chat-scroll {
  flex: 1 1 auto;
  min-height: 0;
  padding: 8px 12px 14px;
  scroll-padding-bottom: calc(var(--composer-height, 0px) + var(--safe-bottom) + 24px);
}

.mobile-chat-room .message-row {
  margin-bottom: 14px;
  gap: 8px;
}

.mobile-chat-room .message-sender {
  font-size: 0.8rem;
}

.mobile-chat-room .message-main {
  gap: 6px;
}

.mobile-chat-room .bubble {
  padding: 9px 12px;
  border-radius: 6px 14px 14px 14px;
}

.mobile-chat-room .message-footer {
  font-size: 0.68rem;
}

.mobile-chat-room .message-row.mine .bubble {
  border-radius: 14px 6px 14px 14px;
}

.typing-slot {
  min-height: 38px;
  padding: 4px 12px 6px;
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.typing-slot:not(.active) .typing-bubble {
  opacity: 0;
  pointer-events: none;
}

.mobile-composer {
  flex: 0 0 auto;
  padding: 10px 12px calc(10px + var(--safe-bottom));
  background: rgba(243, 246, 251, 0.96);
  border-top: 1px solid var(--line);
}

body[data-theme="dark"] .mobile-composer {
  background: rgba(8, 18, 29, 0.96);
}

.mobile-composer .draft-tools {
  display: none;
}

.mobile-composer-wrap .composer-line {
  gap: 8px;
  align-items: center;
}

.mobile-composer-wrap .composer-input-shell {
  min-width: 0;
}

.mobile-composer .composer-input {
  min-height: 44px;
  border-radius: 16px;
  padding: 0 14px;
  font-size: 0.92rem;
}

.mobile-composer textarea.composer-input {
  max-height: 180px;
  padding-top: 10px;
  padding-bottom: 10px;
  line-height: 1.38;
  resize: none;
  overflow-y: auto;
}

.mobile-composer .plus-trigger,
.mobile-composer .send-button {
  min-width: 42px;
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 14px;
}

.mobile-composer .send-button {
  width: 52px;
}

.mobile-composer .attachment-menu {
  right: 0;
  bottom: calc(100% + 8px);
  z-index: 8;
  min-width: 220px;
  display: none;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}

.mobile-composer .attachment-menu.open {
  display: flex;
}

.attachment-menu-section {
  display: grid;
  gap: 8px;
}

.attachment-menu-label {
  font-size: 0.72rem;
  color: var(--text-soft);
  font-weight: 700;
}

.translation-concept-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.translation-concept-chip {
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-alt);
  color: var(--text-soft);
  font-size: 0.74rem;
  font-weight: 700;
}

.translation-concept-chip.active {
  color: var(--accent-strong);
  border-color: rgba(37, 99, 235, 0.22);
  background: rgba(37, 99, 235, 0.08);
}

.attachment-menu-divider {
  height: 1px;
  background: var(--line);
}

.attachment-menu-grid {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mobile-chat-menu {
  position: fixed;
  inset: auto 12px calc(12px + var(--safe-bottom)) 12px;
  border-radius: 22px;
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.16);
  z-index: 40;
}

.chat-menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: 16px;
  background: transparent;
  color: var(--text);
  font-size: 0.92rem;
  text-align: left;
}

.chat-menu-item.danger {
  color: var(--danger);
}

.search-modal {
  width: calc(100% - 24px);
  max-width: 402px;
  border-radius: 22px;
}

.search-results-list {
  margin-top: 12px;
  max-height: 52vh;
  overflow: auto;
}

.compact-empty {
  padding: 18px 16px;
}

.compact-empty h3 {
  margin: 0 0 6px;
  font-size: 0.92rem;
}

.compact-empty p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-soft);
}

@media (min-width: 431px) {
  body {
    background:
      radial-gradient(circle at top left, rgba(28, 102, 242, 0.08), transparent 36%),
      radial-gradient(circle at bottom right, rgba(35, 177, 167, 0.1), transparent 28%),
      var(--bg);
  }
}

.landing-input-stack {
  display: grid;
  gap: 8px;
}

.landing-input-stack input {
  min-height: 46px;
  border-radius: 16px;
  padding: 0 14px;
}

.landing-auth-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.landing-auth-button {
  min-height: 42px;
  border-radius: 14px;
}

.landing-inline-panel {
  display: grid;
  gap: 10px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.landing-inline-panel h3 {
  margin: 0;
  font-size: 0.88rem;
}

.landing-question-pill {
  min-height: 40px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 14px;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--text);
}

.landing-panel-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.mobile-friend-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 16px;
}

.friend-row-tail {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: flex-end;
}

.list-profile-image {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: block;
}

.friend-card-meta {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.friend-card-meta strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.84rem;
}

.friend-inline-presence {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  font-size: 0.69rem;
  color: var(--text-soft);
  white-space: nowrap;
}

.friend-inline-presence.online,
.friend-inline-presence.in-room {
  color: var(--text);
}

.connection-actions {
  gap: 4px;
}

.connection-icon-button {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  font-size: 0.82rem;
}

.connection-invite-button {
  min-height: 30px;
  padding: 0 10px;
  border-radius: 10px;
  font-size: 0.75rem;
}

.connection-state-pill {
  min-height: 28px;
  padding: 0 10px;
  border-radius: 10px;
  font-size: 0.7rem;
}

.admin-delete-user-button {
  color: #b42318;
  border-color: rgba(180, 35, 24, 0.16);
  background: rgba(180, 35, 24, 0.08);
}

.mobile-chat-room .chat-scroll {
  overscroll-behavior: contain;
}

.mobile-composer {
  padding: 10px 12px calc(10px + var(--safe-bottom));
}

.mobile-composer .send-button {
  width: auto;
  min-width: 58px;
  padding: 0 14px;
}

.chat-menu-password {
  padding: 10px 14px 6px;
  font-size: 0.76rem;
  color: var(--text-soft);
}

.landing-auth-actions {
  grid-template-columns: 1fr;
}

.landing-auth-links {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: -2px;
}

.landing-text-button {
  border: 0;
  background: transparent;
  padding: 0;
  font-size: 0.77rem;
  color: var(--text-soft);
}

.landing-text-button.back {
  color: var(--accent-strong);
  font-weight: 600;
}

.landing-screen-topbar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.landing-screen-copy {
  display: grid;
  gap: 4px;
}

.landing-screen-copy h2 {
  margin: 0;
  font-size: 1rem;
}

.landing-screen-copy p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-soft);
}

.landing-ui-language-row.centered {
  justify-content: center;
  margin-top: 10px;
}

.landing-ui-language-row.centered .landing-ui-language-buttons {
  justify-content: center;
}

.mobile-friend-card {
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: 8px;
  padding: 8px 10px;
}

.friend-name-button {
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 0;
  text-align: left;
}

.friend-name-button strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.82rem;
}

.friend-inline-presence {
  justify-self: end;
}

.profile-static-value {
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface-alt);
  font-size: 0.82rem;
  color: var(--text);
}

.profile-preview-grid {
  display: grid;
  gap: 10px;
}

.profile-preview-item {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface-alt);
}

.profile-preview-item span {
  font-size: 0.74rem;
  color: var(--text-soft);
}

.profile-preview-item strong {
  font-size: 0.84rem;
  color: var(--text);
}

.mobile-tab {
  position: relative;
}

.mobile-tab-badge {
  position: absolute;
  top: 6px;
  right: 12px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ef4444;
  color: #fff;
  font-size: 0.66rem;
  font-weight: 700;
  line-height: 1;
}

.plan-summary-card,
.plan-option-card,
.plan-policy-block {
  display: grid;
  gap: 10px;
}

.plan-summary-head,
.plan-option-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.compact-action-button {
  min-height: 34px;
  padding: 0 12px;
  border-radius: 12px;
  font-size: 0.74rem;
}

.plan-usage-copy {
  display: grid;
  gap: 4px;
  font-size: 0.76rem;
  color: var(--text-soft);
}

.plan-modal-body {
  display: grid;
  gap: 12px;
}

.plan-option-card {
  padding: 12px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface-alt);
}

.plan-option-card.current {
  border-color: rgba(37, 99, 235, 0.28);
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.14);
}

.plan-option-price {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
}

.plan-option-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.plan-policy-block {
  padding: 12px;
  border-radius: 16px;
  border: 1px dashed var(--line);
  background: var(--surface);
}

.plan-policy-block p {
  margin: 0;
  font-size: 0.77rem;
  line-height: 1.5;
  color: var(--text-soft);
}

.logout-inline-button {
  width: 100%;
  min-height: 46px;
  border-radius: 16px;
  margin-top: 2px;
}