:root {
  color-scheme: light dark;
  --app-height: 100dvh;
  --visual-viewport-height: 100dvh;
  --viewport-height: 100dvh;
  --composer-height: 88px;
  --composer-clearance: 104px;
  --chat-header-height: 84px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --keyboard-offset: 0px;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: clamp(2rem, 1.6rem + 1.4vw, 3rem);
  --font-body: "Segoe UI Variable", "SF Pro Text", "Inter", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --radius-sm: 0.9rem;
  --radius-md: 1.4rem;
  --radius-lg: 1.75rem;
  --radius-pill: 999px;
  --shadow-soft: 0 16px 44px rgba(15, 17, 18, 0.08);
  --shadow-card: 0 18px 56px rgba(12, 14, 15, 0.12);
  --shadow-chat: 0 14px 36px rgba(12, 14, 15, 0.1);
  --transition-fast: 160ms ease;
  --transition-medium: 240ms ease;
}

:root,
:root[data-theme="light"] {
  --bg: #f3eee7;
  --bg-accent: radial-gradient(circle at 18% 12%, rgba(4, 108, 112, 0.12), transparent 34%),
    radial-gradient(circle at 84% 18%, rgba(184, 128, 87, 0.12), transparent 28%),
    linear-gradient(180deg, #faf6ef 0%, #f2ece3 56%, #ede6dc 100%);
  --surface: rgba(255, 251, 245, 0.88);
  --surface-strong: #fffdf8;
  --surface-muted: rgba(249, 242, 231, 0.88);
  --surface-chat: rgba(255, 252, 246, 0.92);
  --text: #211c18;
  --muted: #70655b;
  --line: rgba(33, 28, 24, 0.09);
  --line-strong: rgba(33, 28, 24, 0.16);
  --accent: #0a6d74;
  --accent-strong: #0c4f55;
  --accent-soft: rgba(10, 109, 116, 0.12);
  --success: #2f7e48;
  --danger: #a34b57;
  --warning: #a0671a;
  --bubble-self: #dcefe5;
  --bubble-peer: #fffefb;
  --message-shadow: 0 10px 24px rgba(19, 23, 24, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141311;
    --bg-accent: radial-gradient(circle at 16% 10%, rgba(71, 133, 137, 0.22), transparent 30%),
      radial-gradient(circle at 84% 16%, rgba(149, 103, 66, 0.16), transparent 24%),
      linear-gradient(180deg, #171513 0%, #12110f 54%, #0f0e0d 100%);
    --surface: rgba(31, 28, 25, 0.86);
    --surface-strong: #1f1c19;
    --surface-muted: rgba(28, 25, 22, 0.92);
    --surface-chat: rgba(24, 22, 20, 0.94);
    --text: #efebe5;
    --muted: #a79f96;
    --line: rgba(239, 235, 229, 0.08);
    --line-strong: rgba(239, 235, 229, 0.15);
    --accent: #7cc0c6;
    --accent-strong: #a5d8db;
    --accent-soft: rgba(124, 192, 198, 0.16);
    --success: #79c28d;
    --danger: #e28c97;
    --warning: #e9bb6f;
    --bubble-self: #21362a;
    --bubble-peer: #23201d;
    --message-shadow: 0 12px 26px rgba(0, 0, 0, 0.18);
  }
}

:root[data-theme="dark"] {
  --bg: #141311;
  --bg-accent: radial-gradient(circle at 16% 10%, rgba(71, 133, 137, 0.22), transparent 30%),
    radial-gradient(circle at 84% 16%, rgba(149, 103, 66, 0.16), transparent 24%),
    linear-gradient(180deg, #171513 0%, #12110f 54%, #0f0e0d 100%);
  --surface: rgba(31, 28, 25, 0.86);
  --surface-strong: #1f1c19;
  --surface-muted: rgba(28, 25, 22, 0.92);
  --surface-chat: rgba(24, 22, 20, 0.94);
  --text: #efebe5;
  --muted: #a79f96;
  --line: rgba(239, 235, 229, 0.08);
  --line-strong: rgba(239, 235, 229, 0.15);
  --accent: #7cc0c6;
  --accent-strong: #a5d8db;
  --accent-soft: rgba(124, 192, 198, 0.16);
  --success: #79c28d;
  --danger: #e28c97;
  --warning: #e9bb6f;
  --bubble-self: #21362a;
  --bubble-peer: #23201d;
  --message-shadow: 0 12px 26px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-height: var(--app-height);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text);
  background: var(--bg-accent);
  overscroll-behavior-y: none;
}

body[data-chat-active="true"] {
  position: fixed;
  inset: 0;
  width: 100%;
  height: var(--app-height);
  overflow: hidden;
}

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

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.app-shell {
  min-height: var(--app-height);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.app-shell[data-active-screen="chat"] {
  height: var(--app-height);
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: calc(var(--safe-top) + 0.95rem) 1rem 0.8rem;
}

.app-shell[data-active-screen="chat"] .topbar {
  display: none;
}

.brand {
  display: grid;
  gap: 0.22rem;
}

.brand__word {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.brand__tagline {
  color: var(--muted);
  font-size: var(--text-sm);
}

.theme-toggle {
  min-height: 2.75rem;
  padding: 0 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(16px);
}

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

.screen {
  display: none;
  min-height: 100%;
}

.screen--active {
  display: block;
  animation: screen-in var(--transition-medium);
}

@keyframes screen-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(18px);
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.entry-shell,
.waiting-shell {
  width: min(100%, 36rem);
  margin: 0 auto;
  padding: 0 1rem calc(var(--safe-bottom) + 1.25rem);
  display: grid;
  gap: 0.9rem;
}

.entry-shell {
  align-content: center;
  min-height: calc(var(--app-height) - 5.75rem);
}

.entry-panel {
  padding: 1.15rem 0.1rem 0.2rem;
}

.entry-panel h1,
.waiting-panel h1,
.chat-header h1,
.security-bar h2,
.modal h2 {
  margin: 0;
}

.entry-panel h1 {
  font-size: var(--text-xl);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.entry-copy,
.waiting-copy,
.modal-copy,
.verification-status {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.entry-copy {
  max-width: 34ch;
  margin-top: 1rem;
  font-size: 1.06rem;
}

.entry-panel > p.entry-copy:nth-of-type(2) {
  display: none;
}

.entry-copy--replacement {
  max-width: 38ch;
}

.entry-copy--followup {
  margin-top: 0.5rem;
}

.entry-actions,
.waiting-actions,
.security-bar__actions,
.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.entry-actions {
  margin-top: 1.35rem;
}

.entry-link {
  display: inline-flex;
  margin-top: 0.95rem;
  padding: 0;
  border: 0;
  background: none;
  color: var(--muted);
  font-size: var(--text-sm);
  line-height: 1.5;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent), transparent 38%);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.entry-brief {
  padding: 1rem 1rem 1.05rem;
  background: var(--surface-muted);
}

.entry-brief__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.entry-facts {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.entry-facts li {
  position: relative;
  padding-left: 1rem;
}

.entry-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 999px;
  background: var(--accent);
}

.button {
  min-height: 3rem;
  padding: 0.82rem 1.1rem;
  border-radius: 1rem;
  border: 1px solid transparent;
  transition: transform var(--transition-fast), background-color var(--transition-fast),
    border-color var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast);
}

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

.button--primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent), white 12%));
  color: #f7fbfb;
}

.button--ghost {
  background: transparent;
  border-color: var(--line-strong);
}

.button--danger {
  background: color-mix(in srgb, var(--danger), transparent 88%);
  border-color: color-mix(in srgb, var(--danger), transparent 64%);
  color: var(--danger);
}

.button--small {
  min-height: 2.75rem;
  padding-inline: 0.95rem;
}

.waiting-panel {
  padding: 1.1rem;
}

.waiting-header {
  display: grid;
  gap: 0.7rem;
}

.waiting-header h1 {
  font-size: clamp(1.7rem, 1.35rem + 1vw, 2.35rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.waiting-meta,
.waiting-joiner {
  display: grid;
  gap: 1rem;
  margin-top: 1.2rem;
}

.waiting-sheet {
  display: grid;
  gap: 0.95rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2.9rem;
  padding: 0.8rem 0.95rem;
  border-radius: 1rem;
  border: 1px solid color-mix(in srgb, var(--accent), transparent 76%);
  background: var(--accent-soft);
  line-height: 1.45;
}

.waiting-joiner {
  justify-items: start;
}

.waiting-joiner__code {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.code-block {
  display: grid;
  gap: 0.38rem;
}

.code-block__label {
  color: var(--muted);
  font-size: var(--text-sm);
}

.code-block__value {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 1.35rem + 0.8vw, 2.15rem);
  letter-spacing: 0.16em;
}

.code-block__value--compact {
  font-size: 1.15rem;
  letter-spacing: 0.1em;
}

.qr-card {
  display: grid;
  justify-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 1.3rem;
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

.qr-card__canvas {
  display: grid;
  place-items: center;
  width: min(100%, 220px);
  min-height: 220px;
}

.qr-card__canvas canvas,
.qr-card__canvas img {
  max-width: 100%;
  height: auto;
  border-radius: 1rem;
}

.qr-card__hint {
  margin: 0;
  color: var(--muted);
  font-size: var(--text-sm);
  text-align: center;
}

.spinner {
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  border: 3px solid color-mix(in srgb, var(--accent), transparent 80%);
  border-top-color: var(--accent);
  animation: spin 900ms linear infinite;
}

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

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

body[data-chat-active="true"] .chat-screen {
  position: fixed;
  inset: 0;
  overflow: hidden;
}

.chat-shell {
  width: min(100%, 42rem);
  height: var(--app-height);
  min-height: var(--app-height);
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 0.8rem;
  padding: calc(var(--safe-top) + 0.8rem) 0.85rem calc(var(--safe-bottom) + 0.45rem);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 40%);
  overflow: hidden;
  transition: padding-bottom var(--transition-fast);
}

.chat-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.85rem;
  padding: 0 0.15rem;
}

.chat-header__cluster {
  min-width: 0;
  display: grid;
  gap: 0.35rem;
}

.chat-header__eyebrow {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.chat-header__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
}

.chat-header h1 {
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}

.chat-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  color: var(--muted);
}

.chat-shell[data-chat-state="verified"] .chat-meta {
  gap: 0;
}

.chat-room-code {
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  font-size: var(--text-sm);
}

.header-sas {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: 0 0.78rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong), transparent 6%);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.9rem;
  padding: 0 0.78rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
}

.badge {
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-family: var(--font-mono);
}

.badge--warning {
  background: color-mix(in srgb, var(--warning), transparent 84%);
  color: var(--warning);
}

.badge--success {
  background: color-mix(in srgb, var(--success), transparent 84%);
  color: var(--success);
}

.presence {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.presence__dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 999px;
  background: currentColor;
}

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

.presence--offline {
  color: var(--muted);
}

.security-bar {
  display: grid;
  gap: 0.9rem;
  padding: 0.95rem 1rem;
  background: color-mix(in srgb, var(--surface-chat), transparent 3%);
  box-shadow: var(--shadow-chat);
  transition: padding var(--transition-medium), gap var(--transition-medium), transform var(--transition-medium);
}

.security-bar__summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.security-bar__controls {
  display: grid;
  justify-items: end;
  gap: 0.45rem;
}

.security-toggle {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: var(--text-sm);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.security-bar__details {
  display: grid;
  gap: 0.95rem;
}

.security-bar__codes {
  display: grid;
  gap: 0.85rem;
}

.fingerprint-block {
  display: grid;
  gap: 0.38rem;
}

.fingerprint-block__value {
  display: block;
  overflow-wrap: anywhere;
  padding: 0.85rem 0.9rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.chat-shell[data-security="compact"] .security-bar {
  gap: 0.35rem;
  padding: 0.75rem 0.9rem;
}

.chat-shell[data-security="compact"] .security-bar__details {
  display: none;
}

.chat-shell[data-chat-state="verified"] .security-bar {
  display: none;
}

.chat-shell[data-chat-state="verified"] .chat-room-code,
.chat-shell[data-chat-state="verified"] .header-sas {
  display: none;
}

.chat-body {
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) 1.6rem;
  gap: 0.2rem;
  overflow: hidden;
}

.messages-scroller {
  min-height: 0;
  overflow-y: auto;
  padding: 0 0.1rem calc(var(--composer-clearance) + 0.35rem);
  scrollbar-width: thin;
  overscroll-behavior: contain;
  scroll-padding-top: calc(var(--chat-header-height) + 0.75rem);
  scroll-padding-bottom: calc(var(--composer-clearance) + 0.5rem);
}

.messages {
  min-height: 100%;
  display: grid;
  align-content: end;
  gap: 0.65rem;
}

.message {
  max-width: min(35rem, 87%);
  display: grid;
  gap: 0.38rem;
  padding: 0.82rem 0.95rem;
  border-radius: 1.3rem;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  box-shadow: var(--message-shadow);
  white-space: pre-wrap;
  word-break: break-word;
  animation: message-in 180ms ease;
}

@keyframes message-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message--self {
  margin-left: auto;
  background: var(--bubble-self);
  border-bottom-right-radius: 0.45rem;
}

.message--peer {
  background: var(--bubble-peer);
  border-bottom-left-radius: 0.45rem;
}

.message--system {
  max-width: 100%;
  margin: 0 auto;
  padding: 0.5rem 0.75rem;
  border-style: dashed;
  background: transparent;
  color: var(--muted);
  text-align: center;
  box-shadow: none;
}

.message__time {
  color: var(--muted);
  font-size: var(--text-xs);
}

.chat-activity {
  min-height: 1.6rem;
  display: flex;
  align-items: center;
  padding: 0 0.3rem;
}

.typing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-size: var(--text-sm);
}

.typing-indicator__dots {
  display: inline-flex;
  gap: 0.2rem;
}

.typing-indicator__dots span {
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 999px;
  background: currentColor;
  animation: typing-bounce 1s infinite ease-in-out;
}

.typing-indicator__dots span:nth-child(2) {
  animation-delay: 0.1s;
}

.typing-indicator__dots span:nth-child(3) {
  animation-delay: 0.2s;
}

@keyframes typing-bounce {
  0%,
  80%,
  100% {
    transform: scale(0.8);
    opacity: 0.55;
  }
  40% {
    transform: scale(1.1);
    opacity: 1;
  }
}

.composer-dock {
  position: fixed;
  left: 50%;
  bottom: calc(var(--safe-bottom) + 0.5rem + var(--keyboard-offset));
  z-index: 6;
  width: min(calc(100vw - 1.7rem), 40.3rem);
  transform: translateX(-50%);
  transition: bottom var(--transition-fast);
}

.composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.65rem;
  align-items: end;
  padding: 0.68rem;
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: var(--surface-chat);
  box-shadow: var(--shadow-chat);
}

.composer__field {
  min-width: 0;
}

.composer textarea,
.join-form input {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 1.15rem;
  background: var(--surface-strong);
  padding: 0.85rem 0.95rem;
  resize: none;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.composer textarea:focus,
.join-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent), transparent 76%);
}

.composer textarea {
  min-height: 3.25rem;
  line-height: 1.45rem;
  overflow-y: auto;
}

.composer textarea[data-rows="1"] {
  height: 3.25rem;
}

.composer textarea[data-rows="2"] {
  height: 4.55rem;
}

.composer textarea[data-rows="3"] {
  height: 5.85rem;
}

.composer textarea[data-rows="4"] {
  height: 7.1rem;
}

.composer textarea[data-rows="5"],
.composer textarea[data-rows="6"] {
  height: 7.5rem;
}

.composer__send {
  min-width: 6.9rem;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(10, 10, 12, 0.36);
  backdrop-filter: blur(10px);
}

.modal {
  width: min(100%, 29rem);
  padding: 1.3rem;
}

.modal--article {
  width: min(100%, 42rem);
  max-height: min(calc(var(--app-height) - 2rem), 44rem);
  padding: 1.15rem;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 1rem;
}

.modal h2 {
  margin-top: 0.35rem;
  font-size: 1.35rem;
}

.modal-article__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.modal-article__body {
  min-height: 0;
  overflow-y: auto;
  display: grid;
  gap: 1rem;
  padding-right: 0.15rem;
}

.modal-close {
  flex: 0 0 auto;
  min-height: 2.5rem;
  padding: 0 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--surface-muted);
}

.info-sheet__section {
  display: grid;
  gap: 0.55rem;
}

.info-sheet__section h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.3;
}

.info-sheet__section p {
  margin: 0;
  color: var(--muted);
  line-height: 1.62;
}

.info-sheet__section strong {
  color: var(--text);
}

.info-sheet__list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
  display: grid;
  gap: 0.45rem;
  line-height: 1.58;
}

.join-form {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.join-form label {
  color: var(--muted);
  font-size: var(--text-sm);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--safe-bottom) + 1rem + min(var(--keyboard-offset), 180px));
  z-index: 30;
  transform: translateX(-50%);
  width: min(calc(100vw - 1.5rem), 30rem);
  padding: 0.85rem 0.95rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong), transparent 4%);
  box-shadow: var(--shadow-card);
  text-align: center;
}

@media (hover: hover) {
  .button:hover,
  .theme-toggle:hover,
  .modal-close:hover {
    transform: translateY(-1px);
  }

  .entry-link:hover,
  .security-toggle:hover {
    color: var(--text);
  }

  .entry-link:hover {
    text-decoration-color: currentColor;
  }
}

@media (min-width: 760px) {
  .topbar {
    width: min(100%, 72rem);
    margin: 0 auto;
    padding-inline: 1.25rem;
  }

  .entry-shell,
  .waiting-shell {
    width: min(100%, 64rem);
    padding-inline: 1.25rem;
  }

  .entry-shell {
    grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
    align-items: end;
    gap: 1.25rem;
  }

  .entry-panel {
    padding-top: 2rem;
  }

  .waiting-meta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  .waiting-actions {
    grid-column: 1 / -1;
  }

  .security-bar__codes {
    grid-template-columns: minmax(14rem, 18rem) minmax(0, 1fr);
    align-items: start;
  }

  .chat-shell {
    width: min(100%, 33rem);
    padding-inline: 1rem;
  }

  .composer-dock {
    width: min(calc(100vw - 2rem), 31rem);
  }
}

@media (max-width: 540px) {
  .topbar {
    align-items: center;
  }

  .chat-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .security-bar__controls {
    width: 100%;
    justify-items: end;
  }

  .entry-actions,
  .waiting-actions,
  .security-bar__actions,
  .modal-actions {
    flex-direction: column;
  }

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

  .composer__send,
  .entry-actions .button,
  .waiting-actions .button,
  .security-bar__actions .button,
  .modal-actions .button {
    width: 100%;
  }

  .modal--article {
    padding: 1rem;
  }

  .modal-article__header {
    flex-direction: column;
  }

  .modal-close {
    width: 100%;
  }

  .message {
    max-width: 100%;
  }
}