:root {
  color-scheme: light;
  font-family: "Manrope", "SF Pro Display", "Segoe UI", sans-serif;
  font-size: 15px;
  --bg: #edf2fa;
  --bg-accent: #e3ebf8;
  --surface: #ffffff;
  --surface-soft: #f5f7fb;
  --surface-muted: #eef3fb;
  --surface-strong: #dde7f6;
  --border: #d9e2ef;
  --border-strong: #c4d1e2;
  --text: #24324a;
  --muted: #6d7b91;
  --accent: #5d7df6;
  --accent-strong: #4968dc;
  --accent-soft: #e9efff;
  --success-bg: #e8f6ee;
  --success-text: #236247;
  --warning-bg: #fff3df;
  --warning-text: #8f6618;
  --danger-bg: #ffe9e6;
  --danger-text: #a64840;
  --info-bg: #ebf1ff;
  --info-text: #3657a7;
  --shadow-lg: 0 30px 80px rgba(39, 58, 92, 0.12);
  --shadow-md: 0 20px 40px rgba(39, 58, 92, 0.08);
  --shadow-sm: 0 12px 28px rgba(39, 58, 92, 0.06);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --radius-sm: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(236, 242, 250, 0.96), rgba(226, 234, 247, 0.92)),
    linear-gradient(120deg, rgba(255, 255, 255, 0.7), rgba(225, 235, 250, 0.72));
}

body.is-authenticated[data-current-nav="chat"] {
  height: 100svh;
  overflow: hidden;
}

a {
  color: inherit;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
}

input,
textarea {
  width: 100%;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: var(--text);
  padding: 0.95rem 1rem;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

textarea {
  resize: none;
  min-height: 3rem;
}

input::placeholder,
textarea::placeholder {
  color: #93a0b5;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: none;
  border-color: rgba(93, 125, 246, 0.35);
  box-shadow: 0 0 0 4px rgba(93, 125, 246, 0.12);
}

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

.is-hidden {
  display: none !important;
}

.composer__status {
  margin: 0.65rem 0 0;
  color: var(--warning-text);
  font-size: 0.92rem;
  font-weight: 600;
}

.app-shell {
  width: min(100%, 1520px);
  margin: 0 auto;
  padding:
    max(0.8rem, env(safe-area-inset-top))
    max(0.8rem, env(safe-area-inset-right))
    calc(0.8rem + env(safe-area-inset-bottom))
    max(0.8rem, env(safe-area-inset-left));
  display: flex;
  gap: 0.9rem;
}

.app-stage {
  flex: 1;
  min-width: 0;
  display: grid;
  gap: 0.85rem;
  min-height: 0;
}

body.is-authenticated[data-current-nav="chat"] .app-shell,
body.is-authenticated[data-current-nav="chat"] .app-stage,
body.is-authenticated[data-current-nav="chat"] .main-surface,
body.is-authenticated[data-current-nav="chat"] .messenger-layout--chat {
  min-height: 0;
  height: 100%;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-sm);
}

.topbar__copy {
  display: grid;
  gap: 0.18rem;
}

.topbar__copy strong {
  font-size: 1rem;
  font-weight: 800;
}

.topbar__eyebrow,
.panel-head__eyebrow {
  color: var(--muted);
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar__actions,
.shell-banner__actions,
.chat-screen__actions,
.chat-home__actions,
.chat-home__copy {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.main-surface,
.public-shell {
  display: grid;
  gap: 1rem;
}

.chat-home {
  width: min(100%, 56rem);
  margin: 0 auto;
  display: grid;
  gap: 0.85rem;
}

.chat-home__topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-md);
}

.chat-home__copy {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.28rem;
}

.chat-home__copy h1 {
  margin: 0;
  font-size: clamp(1.75rem, 2.7vw, 2.35rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.chat-home__copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.chat-home__actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.chat-home__action-button {
  width: auto;
  min-width: 2.8rem;
  height: 2.8rem;
  padding: 0 0.9rem;
  gap: 0.45rem;
}

.chat-home__action-button span {
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1;
}

.chat-home__action-button.is-on {
  color: var(--success-text);
  background: var(--success-bg);
  border-color: rgba(35, 98, 71, 0.14);
}

.chat-home__action-button.is-off {
  color: var(--muted);
}

.chat-home__action-button.is-warning {
  color: var(--warning-text);
  background: var(--warning-bg);
  border-color: rgba(143, 102, 24, 0.14);
}

.chat-home__action-button.is-pending {
  color: var(--info-text);
  background: var(--info-bg);
  border-color: rgba(54, 87, 167, 0.14);
}

.chat-home__action-button:disabled {
  cursor: default;
  opacity: 0.72;
  transform: none;
}

.side-nav {
  position: sticky;
  top: max(1rem, env(safe-area-inset-top));
  align-self: flex-start;
  width: 5rem;
  min-height: calc(100vh - 1.6rem);
  padding: 0.85rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.side-nav__brand {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: linear-gradient(180deg, #6887fb, #4e6fe8);
  color: #fff;
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  box-shadow: 0 16px 30px rgba(93, 125, 246, 0.28);
}

.side-nav__menu,
.side-nav__footer {
  display: grid;
  gap: 0.5rem;
}

.side-nav__item,
.mobile-nav__item,
.icon-button {
  width: 3rem;
  height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 20px;
  color: var(--muted);
  background: transparent;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    box-shadow 0.2s ease;
}

.side-nav__item:hover,
.mobile-nav__item:hover,
.icon-button:hover,
.sidebar-chat:hover,
.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
}

.side-nav__item:hover,
.mobile-nav__item:hover,
.icon-button:hover {
  color: var(--text);
  background: rgba(93, 125, 246, 0.08);
  border-color: rgba(93, 125, 246, 0.12);
}

.side-nav__item--ghost {
  color: #8e98a8;
}

.side-nav__item.is-active,
.mobile-nav__item.is-active {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: rgba(93, 125, 246, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.nav-action--hidden {
  display: none;
}

.nav-action.is-ready {
  display: inline-flex;
}

.topbar-action--mobile {
  display: none;
}

.app-status,
.secondary-button,
.primary-button,
.capability-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  text-decoration: none;
}

.app-status,
.secondary-button {
  min-height: 2.65rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
}

.app-status {
  color: var(--muted);
}

.app-status.is-success {
  background: var(--success-bg);
  color: var(--success-text);
}

.app-status.is-warning {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.primary-button,
.secondary-button {
  min-height: 2.8rem;
  padding: 0.78rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.primary-button {
  background: linear-gradient(180deg, #6988fb, #5473ea);
  color: #fff;
  box-shadow: 0 16px 26px rgba(93, 125, 246, 0.24);
}

.primary-button:hover {
  background: linear-gradient(180deg, #5f7df3, #4d69dd);
}

.secondary-button {
  background: var(--surface-soft);
  color: var(--text);
  border-color: var(--border);
}

.secondary-button:hover {
  background: var(--surface-muted);
  border-color: var(--border-strong);
}

.icon-button {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(216, 225, 238, 0.85);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.icon-button--soft {
  background: var(--surface-soft);
}

.icon-button--ghost {
  background: transparent;
  box-shadow: none;
}

.icon-button--accent {
  color: #fff;
  background: linear-gradient(180deg, #6988fb, #5473ea);
  border-color: transparent;
  box-shadow: 0 16px 26px rgba(93, 125, 246, 0.24);
}

.icon-button--accent:hover {
  color: #fff;
  background: linear-gradient(180deg, #5f7df3, #4d69dd);
}

.icon-button i,
.icon-button svg,
.side-nav__item i,
.side-nav__item svg,
.mobile-nav__item i,
.mobile-nav__item svg,
.capability-pill i,
.capability-pill svg,
.search-input svg {
  width: 1.08rem;
  height: 1.08rem;
  line-height: 1;
}

.shell-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow-sm);
}

.shell-banner__copy {
  display: grid;
  gap: 0.2rem;
}

.shell-banner__copy span,
.section-head p,
.sidebar-chat__preview,
.search-result span,
.empty-inline-state p,
.sidebar-empty p,
.messages-empty p,
.chat-screen__summary,
.topbar__eyebrow,
.voice-note__time {
  color: var(--muted);
}

.flash-container,
.search-results,
.chat-stage,
.member-list,
.capability-list,
.dashboard-content,
.auth-landing,
.auth-panels {
  display: grid;
  gap: 0.85rem;
}

.flash {
  padding: 0.95rem 1rem;
  border-radius: 18px;
  border: 1px solid transparent;
}

.flash-danger {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.flash-warning {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.flash-success {
  background: var(--success-bg);
  color: var(--success-text);
}

.flash-info {
  background: var(--info-bg);
  color: var(--info-text);
}

.messenger-layout {
  display: grid;
  grid-template-columns: minmax(20rem, 26rem) minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
}

.messenger-layout--chat {
  grid-template-columns: minmax(0, 1fr);
}

.dashboard-section,
.content-card,
.hero-panel,
.threads-panel,
.chat-panel,
.auth-card,
.auth-showcase,
.sidebar-empty,
.empty-inline-state,
.messages-empty,
.call-banner {
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-md);
}

.threads-panel,
.content-card,
.hero-panel,
.auth-card,
.auth-showcase {
  padding: 1rem;
}

.panel-head,
.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
}

.panel-head--stacked {
  display: block;
}

.panel-head h1,
.section-head h2,
.hero-panel h2,
.chat-screen__header h1,
.auth-showcase h1 {
  margin: 0;
}

.panel-head h1,
.auth-showcase h1 {
  font-size: clamp(2rem, 3vw, 3.3rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.section-count {
  flex: none;
  min-width: 2.4rem;
  height: 2.4rem;
  padding: 0 0.6rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.search-form {
  margin-top: 0.85rem;
}

.contact-add-form {
  margin-bottom: 0.4rem;
}

.search-input {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0 0.9rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--surface-soft);
}

.search-input input {
  padding-left: 0;
  padding-right: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.sidebar-chat-list {
  display: grid;
  gap: 0.6rem;
}

.threads-panel__heading {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.threads-panel__title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.threads-panel__count {
  min-width: 2.35rem;
  height: 2.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.7rem;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(93, 125, 246, 0.18), rgba(93, 125, 246, 0.1));
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 800;
}

.threads-panel__subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.sidebar-chat {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.8rem;
  border: 1px solid transparent;
  border-radius: 24px;
  text-decoration: none;
  background: rgba(245, 247, 251, 0.72);
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.sidebar-chat:hover {
  border-color: rgba(93, 125, 246, 0.12);
  background: rgba(237, 242, 255, 0.84);
}

.sidebar-chat.is-active {
  border-color: rgba(93, 125, 246, 0.18);
  background: linear-gradient(180deg, rgba(235, 240, 255, 0.95), rgba(242, 246, 255, 0.9));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.sidebar-chat.is-unread::after {
  content: "";
  position: absolute;
  right: 1rem;
  top: 50%;
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 999px;
  background: var(--accent);
  transform: translateY(-50%);
}

.sidebar-chat__avatar,
.search-result__avatar,
.chat-screen__avatar {
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: linear-gradient(180deg, #f6f8fc, #e4ecf8);
  color: var(--text);
  font-weight: 800;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.88);
}

.sidebar-chat__avatar,
.search-result__avatar {
  width: 2.75rem;
  height: 2.75rem;
}

.chat-screen__avatar {
  width: 3rem;
  height: 3rem;
}

.sidebar-chat__body,
.sidebar-chat__meta,
.search-result div,
.member-card div {
  min-width: 0;
}

.sidebar-chat__body {
  display: grid;
  gap: 0.22rem;
}

.sidebar-chat__title,
.search-result strong,
.member-card strong {
  font-weight: 700;
}

.sidebar-chat__preview {
  font-size: 0.82rem;
  line-height: 1.35;
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.sidebar-chat__meta {
  display: grid;
  gap: 0.2rem;
  justify-items: end;
  color: var(--muted);
  font-size: 0.72rem;
}

.hero-panel {
  display: grid;
  gap: 1.4rem;
  min-height: 16rem;
  background:
    radial-gradient(circle at top left, rgba(93, 125, 246, 0.18), transparent 40%),
    rgba(255, 255, 255, 0.78);
}

.hero-panel--welcome {
  min-height: 22rem;
}

.hero-panel__copy {
  max-width: 42rem;
}

.hero-panel__copy h2 {
  margin-bottom: 0.65rem;
  font-size: clamp(1.7rem, 2.7vw, 2.7rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.hero-panel__copy p {
  margin: 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

.hero-panel__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.stat-card {
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 24px;
  background: rgba(245, 247, 251, 0.78);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.88);
}

.stat-card strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 1.25rem;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.search-result,
.member-card {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(93, 125, 246, 0.08);
  border-radius: 22px;
  background: rgba(245, 247, 251, 0.8);
}

.search-result--action {
  justify-content: space-between;
}

.search-result--action form {
  flex: none;
}

.search-result__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-left: auto;
}

.directory-block {
  display: grid;
  gap: 0.9rem;
}

.overlay-panel {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: none !important;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.overlay-panel:target {
  display: flex !important;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.overlay-panel__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 28, 50, 0.42);
  backdrop-filter: blur(14px);
}

.overlay-panel__card {
  position: relative;
  z-index: 1;
  width: min(100%, 44rem);
  max-height: min(100vh - 2.5rem, 52rem);
  overflow: auto;
  padding: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 1rem;
}

.section-head--compact h2 {
  font-size: 1.02rem;
}

.empty-inline-state,
.sidebar-empty,
.messages-empty {
  padding: 1rem;
}

.empty-inline-state strong,
.sidebar-empty strong,
.messages-empty strong {
  display: block;
  margin-bottom: 0.25rem;
}

.stack-form {
  display: grid;
  gap: 0.8rem;
}

.stack-form label {
  display: grid;
  gap: 0.45rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.auth-landing {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.95fr);
  align-items: stretch;
}

.auth-showcase {
  padding: 1.4rem;
  background:
    radial-gradient(circle at top left, rgba(93, 125, 246, 0.2), transparent 42%),
    rgba(255, 255, 255, 0.74);
}

.auth-showcase p {
  margin: 0 0 1.2rem;
  max-width: 38rem;
  color: var(--muted);
  line-height: 1.7;
}

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

.auth-card--single {
  max-width: 34rem;
}

.auth-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.4rem;
  margin-bottom: 1rem;
  padding: 0.35rem;
  border-radius: 999px;
  background: rgba(245, 247, 251, 0.92);
}

.auth-tabs__item {
  min-height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.auth-tabs__item.is-active {
  background: #fff;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.chat-stage {
  min-width: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.85rem;
  min-height: 0;
  height: calc(100svh - 1.6rem - env(safe-area-inset-top) - env(safe-area-inset-bottom));
}

.chat-screen__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-md);
}

.chat-screen__identity {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
}

.chat-screen__identity h1 {
  font-size: 1.1rem;
  line-height: 1.15;
}

.chat-screen__back {
  display: none;
}

.chat-panel {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  overflow: hidden;
  min-height: 0;
  height: 100%;
}

.messages-list {
  min-height: 0;
  max-height: none;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background:
    linear-gradient(180deg, rgba(243, 246, 252, 0.96), rgba(235, 241, 250, 0.9)),
    radial-gradient(circle at top, rgba(255, 255, 255, 0.55), transparent 55%);
}

.chat-day-pill {
  align-self: center;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
}

.message-bubble {
  align-self: flex-start;
  max-width: min(74%, 34rem);
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 28px 28px 28px 12px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-sm);
}

.message-bubble.is-mine {
  align-self: flex-end;
  border-radius: 28px 28px 12px 28px;
  background: linear-gradient(180deg, #6a88fb, #5977ef);
  color: #fff;
}

.message-bubble__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  margin-bottom: 0.3rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.message-bubble.is-mine .message-bubble__meta,
.message-bubble.is-mine .voice-note__time {
  color: rgba(255, 255, 255, 0.8);
}

.message-bubble__meta strong {
  color: inherit;
}

.message-bubble__text {
  margin: 0;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

.message-bubble__media {
  margin-top: 0.6rem;
}

.message-bubble__media img {
  max-height: 24rem;
  border-radius: 20px;
  object-fit: cover;
}

.voice-note {
  margin-top: 0.6rem;
  display: grid;
  grid-template-columns: auto minmax(6rem, 1fr) auto;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.7rem;
  border-radius: 22px;
  background: rgba(245, 247, 251, 0.76);
}

.message-bubble.is-mine .voice-note {
  background: rgba(255, 255, 255, 0.16);
}

.voice-note__button {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: inherit;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 18px rgba(39, 58, 92, 0.08);
}

.voice-note__wave {
  position: relative;
  height: 0.42rem;
  border-radius: 999px;
  background:
    repeating-linear-gradient(
      90deg,
      rgba(93, 125, 246, 0.26) 0,
      rgba(93, 125, 246, 0.26) 6px,
      transparent 6px,
      transparent 11px
    );
  overflow: hidden;
}

.message-bubble.is-mine .voice-note__wave {
  background:
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.36) 0,
      rgba(255, 255, 255, 0.36) 6px,
      transparent 6px,
      transparent 11px
    );
}

.voice-note__wave span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(93, 125, 246, 0.85), rgba(124, 151, 255, 0.85));
}

.message-bubble.is-mine .voice-note__wave span {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.98));
}

.composer {
  display: grid;
  gap: 0.7rem;
  padding: 0.75rem 0.85rem;
  padding-bottom: calc(0.85rem + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(217, 226, 239, 0.8);
  background: rgba(255, 255, 255, 0.9);
}

.composer__attachments {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.composer__attachments:empty {
  display: none;
}

.composer__tray {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: 0.45rem;
  align-items: center;
}

.composer__field {
  min-width: 0;
}

.composer__input-wrap {
  position: relative;
}

.composer__field textarea {
  display: block;
  width: 100%;
  min-height: 2.55rem;
  max-height: 7.5rem;
  padding: 0.7rem 3.7rem 0.7rem 0.85rem;
  border-radius: 18px;
  background: var(--surface-soft);
}

.file-pill__preview {
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.74rem;
}

.file-pill__preview:empty {
  display: none;
}

.composer__control {
  width: 2.55rem;
  height: 2.55rem;
  border-radius: 15px;
}

.composer__control--send {
  position: absolute;
  top: 50%;
  right: 0.3rem;
  transform: translateY(-50%);
}

.composer__control--send:hover {
  transform: translateY(calc(-50% - 1px));
}

.modal-open {
  overflow: hidden;
}

.info-modal {
  position: fixed;
  inset: 0;
  z-index: 75;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.info-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 28, 50, 0.4);
  backdrop-filter: blur(12px);
}

.info-modal__card {
  position: relative;
  z-index: 1;
  width: min(100%, 32rem);
  padding: 1.35rem;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 1rem;
}

.info-modal__body {
  display: grid;
  gap: 1rem;
}

.info-modal__hint {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.call-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.call-overlay__backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(96, 123, 246, 0.24), rgba(30, 43, 74, 0.72)),
    rgba(18, 28, 50, 0.56);
  backdrop-filter: blur(18px);
}

.call-overlay__card {
  position: relative;
  z-index: 1;
  width: min(100%, 26rem);
  padding: 2rem 1.5rem;
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 30px 80px rgba(22, 33, 62, 0.28);
  display: grid;
  justify-items: center;
  gap: 1rem;
  text-align: center;
}

.call-overlay__eyebrow {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.call-overlay__avatar {
  width: 6rem;
  height: 6rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(180deg, #eaf0ff, #d7e2fb);
  color: var(--accent);
  font-size: 1.35rem;
  font-weight: 800;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.call-overlay__title {
  font-size: 1.5rem;
  font-weight: 800;
}

.call-overlay__status {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.call-overlay__actions {
  width: 100%;
  display: grid;
  gap: 0.7rem;
}

.mobile-nav {
  position: fixed;
  left: 50%;
  bottom: calc(0.8rem + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 40;
  width: min(calc(100% - 1rem), 21rem);
  padding: 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-md);
  display: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.45rem;
  transition:
    bottom 0.22s ease,
    transform 0.22s ease,
    opacity 0.22s ease,
    width 0.22s ease,
    border-radius 0.22s ease,
    background 0.22s ease,
    box-shadow 0.22s ease;
}

body.is-nav-hidden .mobile-nav {
  transform: translate(-50%, calc(100% + 1.5rem));
  opacity: 0;
  pointer-events: none;
}

.mobile-nav__item {
  width: auto;
  justify-self: stretch;
}

@media (max-width: 1280px) {
  .chat-stage {
    height: calc(100svh - 1.6rem - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  }
}

@media (max-width: 980px) {
  .app-shell {
    padding-bottom: calc(0.9rem + env(safe-area-inset-bottom));
  }

  .side-nav {
    display: none;
  }

  .mobile-nav {
    display: grid;
  }

  .topbar-action--mobile {
    display: inline-flex;
  }

  .messenger-layout,
  .messenger-layout--chat,
  .auth-landing,
  .auth-panels,
  .hero-panel__stats {
    grid-template-columns: 1fr;
  }

  .chat-home__topbar {
    flex-direction: column;
  }

  .chat-home__actions {
    justify-content: flex-start;
  }

  .chat-screen__back {
    display: inline-flex;
  }
}

@media (max-width: 760px) {
  .app-shell {
    padding-left: max(0.7rem, env(safe-area-inset-left));
    padding-right: max(0.7rem, env(safe-area-inset-right));
  }

  .topbar,
  .shell-banner,
  .chat-home__topbar,
  .chat-screen__header,
  .panel-head,
  .section-head {
    align-items: stretch;
  }

  .topbar,
  .shell-banner,
  .chat-home__topbar,
  .chat-screen__header {
    flex-direction: column;
  }

  .topbar__actions,
  .chat-home__actions,
  .chat-screen__actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

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

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

  .sidebar-chat__meta {
    grid-column: 2;
    justify-items: start;
  }
}

@media (max-width: 560px) {
  .threads-panel,
  .content-card,
  .hero-panel,
  .auth-card,
  .auth-showcase {
    padding: 0.9rem;
    border-radius: 28px;
  }

  .topbar {
    padding: 0.8rem 0.9rem;
  }

  .chat-home__topbar,
  .overlay-panel__card {
    padding: 0.9rem;
    border-radius: 28px;
  }

  .panel-head h1,
  .auth-showcase h1,
  .chat-home__copy h1 {
    font-size: 2.2rem;
  }

  .app-status {
    display: none;
  }

  .chat-home__actions .icon-button {
    width: 3rem;
    border-radius: 16px;
  }

  .chat-home__actions .chat-home__action-button {
    width: auto;
    min-width: 3rem;
    padding: 0 0.85rem;
  }

  .chat-home__action-button span {
    font-size: 0.82rem;
  }

  .composer {
    padding: 0.8rem;
    padding-bottom: calc(2.15rem + env(safe-area-inset-bottom));
  }

  .composer__tray {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-areas:
      "field field field field"
      "photo record help help";
    gap: 0.55rem;
  }

  .composer__field {
    grid-area: field;
  }

  .composer__input-wrap {
    width: 100%;
  }

  .composer__control {
    width: 100%;
    min-width: 0;
  }

  .composer__control--photo {
    grid-area: photo;
  }

  .composer__control--record {
    grid-area: record;
  }

  .composer__control--help {
    grid-area: help;
  }

  .composer__control--send {
    width: 2.55rem;
    right: 0.3rem;
  }

  .icon-button,
  .mobile-nav__item {
    width: 2.85rem;
    height: 2.85rem;
  }

  .composer__attachments {
    justify-content: stretch;
  }

  .file-pill__preview {
    width: 100%;
    justify-content: center;
  }

  .message-bubble {
    max-width: 92%;
    padding: 0.85rem 0.9rem;
  }

  .voice-note {
    grid-template-columns: auto minmax(4rem, 1fr) auto;
    gap: 0.65rem;
  }

  .call-overlay__card {
    padding: 1.6rem 1.1rem;
  }

  .info-modal__card {
    padding: 1.1rem;
    border-radius: 28px;
  }
}