/* URUK / Signal — production interface layer
   This file maps the new system onto the existing DOM contract.
   Firebase and application state remain untouched. */

:root {
  --sidebar-w: 320px;
  --bg-primary: #07111F;
  --bg-secondary: #0D1B2A;
  --bg-tertiary: #13263A;
  --bg-elevated: #1A2F45;
  --surface-default: #0D1B2A;
  --surface-hover: #13263A;
  --surface-active: #1A2F45;
  --surface-selected: rgba(76, 141, 255, .08);
  --primary: #4C8DFF;
  --primary-hover: #6BA0FF;
  --primary-active: #3A7AE8;
  --secondary: #19C7C0;
  --accent: var(--primary);
  --destructive: #FF4D4F;
  --warning: #FAAD14;
  --success: #52C41A;
  --text-primary: #F2F6FA;
  --text-secondary: #91A4B8;
  --text-tertiary: #5F6B76;
  --text-disabled: #3D4F5F;
  --text-on-primary: #FFFFFF;
  --border-subtle: rgba(255, 255, 255, .06);
  --border-default: rgba(255, 255, 255, .10);
  --border-strong: rgba(255, 255, 255, .16);
  --border-focus: #4C8DFF;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, .4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);
  --shadow-primary: 0 4px 12px rgba(76, 141, 255, .25);
}

body:not(.dark) {
  --bg-primary: #F7F5F0;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #EEECE6;
  --bg-elevated: #FFFFFF;
  --surface-default: #FFFFFF;
  --surface-hover: #F7F5F0;
  --surface-active: #EEECE6;
  --surface-selected: rgba(76, 141, 255, .06);
  --primary: #4C8DFF;
  --primary-hover: #3A7AE8;
  --primary-active: #2F67CC;
  --secondary: #128F8A;
  --accent: var(--primary);
  --destructive: #D9363E;
  --warning: #AD6800;
  --success: #389E0D;
  --text-primary: #15202B;
  --text-secondary: #5F6B76;
  --text-tertiary: #8B95A1;
  --text-disabled: #C4C9D0;
  --border-subtle: rgba(0, 0, 0, .06);
  --border-default: rgba(0, 0, 0, .10);
  --border-strong: rgba(0, 0, 0, .16);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, .08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);
  --shadow-primary: 0 4px 12px rgba(76, 141, 255, .18);
}

body,
button,
input,
textarea,
select {
  font-family: var(--font-primary, "Tajawal", "Noto Sans Arabic", sans-serif);
}

body {
  color: var(--text-primary);
  background: var(--bg-primary);
}

body::before,
body::after {
  content: none;
}

#particles-canvas,
.ambient-orb {
  display: none;
}

*:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

button,
input,
textarea,
select {
  transition: background-color 140ms var(--ease-default, cubic-bezier(.4, 0, .2, 1)),
    border-color 140ms var(--ease-default, cubic-bezier(.4, 0, .2, 1)),
    color 140ms var(--ease-default, cubic-bezier(.4, 0, .2, 1)),
    box-shadow 140ms var(--ease-default, cubic-bezier(.4, 0, .2, 1)),
    transform 140ms var(--ease-default, cubic-bezier(.4, 0, .2, 1));
}

.screen {
  color: var(--text-primary);
  background: var(--bg-primary);
}

.green-header {
  color: var(--text-primary);
  background: var(--bg-secondary);
  border-color: var(--border-subtle);
  box-shadow: none;
}

.main-header {
  display: flex;
  flex-direction: column;
  flex: 0 0 auto;
  min-height: 0;
}

.main-header-top {
  min-height: 68px;
  padding: 16px 20px 12px;
}

.app-title {
  color: var(--text-primary);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -.02em;
}

.header-actions,
.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text-secondary);
  background: transparent;
}

.icon-btn:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
  border-color: var(--border-default);
}

.icon-btn svg {
  width: 19px;
  height: 19px;
  fill: currentColor;
}

.tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 48px;
  padding: 0 14px;
  border-top: 1px solid var(--border-subtle);
}

.tab {
  position: relative;
  flex: 1 1 0;
  min-height: 44px;
  border: 0;
  border-radius: 8px 8px 0 0;
  padding: 0 8px;
  color: var(--text-secondary);
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
}

.tab:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

.tab.active {
  color: var(--primary);
  background: var(--surface-selected);
}

.tab-indicator {
  display: none;
}

.tab-pages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 12px 14px 92px;
  background: var(--bg-primary);
}

.tab-page {
  min-height: 100%;
}

.chat-list,
#status-list,
#my-channels-list,
#discover-channels-list,
#calls-list,
#users-list {
  display: grid;
  gap: 6px;
}

.chat-row,
.channel-row,
.call-row,
.status-row,
.status-my-row {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md, 14px);
  background: var(--surface-default);
  box-shadow: var(--shadow-sm);
}

.chat-row:hover,
.channel-row:hover,
.call-row:hover,
.status-row:hover,
.status-my-row:hover {
  background: var(--surface-hover);
  border-color: var(--border-default);
  box-shadow: var(--shadow-md);
}

.chat-row,
.channel-row,
.call-row {
  min-height: 68px;
  margin: 0;
  padding: 12px 14px;
}

.chat-name,
.channel-name,
.call-name {
  color: var(--text-primary);
  font-weight: 600;
}

.chat-last,
.channel-last,
.call-time,
.section-label,
.status-section-label {
  color: var(--text-secondary);
}

.search-inline,
.search-bar {
  border-color: var(--border-subtle);
  background: transparent;
}

.search-inline input,
.search-bar input,
#main-search-input,
#channel-search-input,
#user-search-input {
  min-height: 42px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm, 10px);
  padding: 10px 12px;
  color: var(--text-primary);
  background: var(--surface-default);
}

.search-inline input::placeholder,
.search-bar input::placeholder,
#main-search-input::placeholder,
#channel-search-input::placeholder,
#user-search-input::placeholder {
  color: var(--text-tertiary);
}

.empty-state {
  min-height: 240px;
  border: 1px dashed var(--border-default);
  border-radius: var(--radius-md, 14px);
  padding: 34px 20px;
  color: var(--text-secondary);
  background: var(--surface-default);
}

.empty-state p {
  margin: 12px 0 6px;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
}

.empty-state span {
  color: var(--text-secondary);
  font-size: 13px;
}

.fab,
.send-fab {
  border: 0;
  color: var(--text-on-primary);
  background: var(--primary);
  box-shadow: var(--shadow-primary);
}

.fab:hover,
.send-fab:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-lg), var(--shadow-primary);
  transform: translateY(-1px);
}

.chat-header {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 10px;
  min-height: 72px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.header-avatar {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-default);
  border-radius: 50%;
  object-fit: cover;
  background: var(--surface-active);
}

.chat-header-info {
  display: flex;
  flex: 1;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.chat-header-name {
  overflow: hidden;
  color: var(--text-primary);
  font-size: 17px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-header-status {
  color: var(--text-secondary);
  font-size: 12px;
}

.messages-wrap {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 24px 6%;
  background: var(--bg-primary);
  background-image: none;
}

.messages {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: min(100%, 860px);
  min-height: 100%;
  margin: 0 auto;
  justify-content: flex-end;
}

.msg {
  max-width: min(68%, 560px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md, 14px);
  box-shadow: none;
}

.msg.me {
  color: var(--text-on-primary);
  background: var(--primary);
  border-color: transparent;
}

.msg:not(.me) {
  color: var(--text-primary);
  background: var(--surface-default);
}

.msg.me .msg-meta,
.msg.me .ticks {
  color: rgba(255, 255, 255, .78);
}

.msg.me .msg-reply,
.msg.me .msg-file {
  background: rgba(255, 255, 255, .14);
}

.composer {
  flex: 0 0 auto;
  width: min(100%, 900px);
  margin: 0 auto;
  padding: 12px 20px calc(18px + env(safe-area-inset-bottom));
  background: transparent;
  border-top: 0;
}

.composer-field {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 50px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md, 14px);
  padding: 6px 8px;
  background: var(--surface-default);
  box-shadow: var(--shadow-sm);
}

#msg-input {
  flex: 1;
  min-width: 0;
  min-height: 36px;
  color: var(--text-primary);
  background: transparent;
}

#msg-input::placeholder { color: var(--text-tertiary); }

.reply-bar,
.composer-deleted-notice,
.record-bar,
.chat-search-bar {
  border-color: var(--border-default);
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.dropdown,
.sheet,
.modal-card,
.settings-modal,
#emoji-panel {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md, 14px);
  color: var(--text-primary);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-lg);
}

.dropdown button,
.sheet button {
  color: var(--text-primary);
  border-radius: 8px;
}

.dropdown button:hover,
.sheet button:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

#desktop-welcome {
  position: fixed;
  inset: 0 var(--sidebar-w) 0 0;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  color: var(--text-primary);
  background: var(--bg-primary);
}

#desktop-welcome .desktop-welcome-card {
  width: min(440px, calc(100% - 64px));
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg, 20px);
  padding: 40px 36px 34px;
  text-align: center;
  background: var(--surface-default);
  box-shadow: var(--shadow-lg);
}

#desktop-welcome .desktop-welcome-mark {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: 64px;
  height: 64px;
  gap: 4px;
  margin: 0 auto 20px;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: var(--radius-md, 14px);
  padding: 12px;
  background: var(--bg-tertiary);
}

#desktop-welcome .desktop-welcome-mark span {
  display: block;
  height: 5px;
  border-radius: 5px;
  background: var(--accent);
}

#desktop-welcome .desktop-welcome-mark span:nth-child(1) { width: 18px; }
#desktop-welcome .desktop-welcome-mark span:nth-child(2) { width: 28px; }
#desktop-welcome .desktop-welcome-mark span:nth-child(3) { width: 38px; }

#desktop-welcome .desktop-welcome-brand {
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .10em;
}

#desktop-welcome h2 {
  margin: 0 0 10px;
  color: var(--text-primary);
  font-size: 22px;
  font-weight: 700;
}

#desktop-welcome p {
  max-width: 320px;
  margin: 0 auto 20px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
}

#desktop-welcome .desktop-welcome-hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 8px 12px;
  color: var(--text-secondary);
  background: var(--surface-hover);
  font-size: 11px;
}

#desktop-welcome .desktop-welcome-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--secondary);
}

@media (min-width: 900px) {
  #main-screen:not(.hidden) {
    right: 0;
    left: auto;
    width: var(--sidebar-w);
    border-inline-start: 1px solid var(--border-subtle);
    box-shadow: -12px 0 32px rgba(0, 0, 0, .12);
  }

  #chat-screen:not(.hidden),
  #channel-screen:not(.hidden) {
    right: var(--sidebar-w);
    left: 0;
    width: auto;
  }

  #newchat-screen:not(.hidden),
  #profile-screen:not(.hidden),
  #settings-screen:not(.hidden),
  #forward-screen:not(.hidden),
  #channel-create-screen:not(.hidden),
  #account-security-screen:not(.hidden),
  #sessions-screen:not(.hidden),
  #twofa-screen:not(.hidden),
  #pin-create-screen:not(.hidden),
  #pin-verify-screen:not(.hidden),
  #security-log-screen:not(.hidden),
  #trusted-devices-screen:not(.hidden) {
    right: 0;
    left: auto;
    width: var(--sidebar-w);
    border-inline-start: 1px solid var(--border-subtle);
  }

  #main-screen .tab-pages { min-height: 0; }
  .fab { right: calc(var(--sidebar-w) - 76px); left: auto; bottom: 24px; }
  #main-dropdown { right: 12px; left: auto; }
}

@media (max-width: 899px) {
  #desktop-welcome { display: none; }
  .main-header-top { padding-inline: 14px; }
  .tabs { padding-inline: 8px; overflow-x: auto; scrollbar-width: none; }
  .tab { flex: 0 0 auto; min-width: 92px; }
  .tab-pages { padding: 12px 10px 88px; }
  .messages-wrap { padding-inline: 12px; }
  .msg { max-width: 86%; }
  .composer { padding-inline: 10px; }
}

@media (max-width: 420px) {
  .app-title { font-size: 21px; }
  .chat-header { min-height: 60px; padding: 10px 12px; }
  .messages-wrap { padding-inline: 10px; }
  .msg { max-width: 92%; }
  .composer-field { border-radius: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  #particles-canvas,
  .ambient-orb,
  .ripple-effect { display: none; }

  *,
  *::before,
  *::after {
    animation-duration: .01ms;
    animation-iteration-count: 1;
    transition-duration: .01ms;
  }
}

/* Authentication shell */
#login-screen,
#setup-screen,
#verify-email-screen,
#admin-denied-screen {
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg-primary);
}

#login-screen .login-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  width: min(100%, 980px);
  min-height: 600px;
  overflow: hidden;
  border: 1px solid var(--border-default);
  border-radius: 24px;
  background: var(--bg-secondary);
  box-shadow: var(--shadow-xl, 0 16px 48px rgba(0, 0, 0, .4));
  direction: ltr;
}

#login-screen .login-brand,
#login-screen .login-form {
  min-width: 0;
  direction: rtl;
}

#login-screen .login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px;
  text-align: center;
  background: var(--bg-tertiary);
  border-inline-end: 1px solid var(--border-default);
}

#login-screen .login-brand .uruk-logo-svg {
  width: 88px;
  height: 88px;
  margin-bottom: 24px;
}

#login-screen .login-brand h1 {
  margin: 0 0 12px;
  color: var(--text-primary);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -.03em;
}

#login-screen .login-brand > p {
  max-width: 360px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
}

#login-screen .login-brand-features {
  display: grid;
  gap: 10px;
  width: min(100%, 360px);
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  text-align: right;
}

#login-screen .login-brand-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm, 10px);
  padding: 10px 12px;
  color: var(--text-secondary);
  background: var(--surface-default);
  font-size: 13px;
}

#login-screen .lbf-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 8px;
  color: var(--primary);
  background: var(--surface-selected);
}

#login-screen .lbf-ico svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

#login-screen .login-brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 24px;
  margin-top: 34px;
}

#login-screen .login-brand-mark span {
  display: block;
  height: 4px;
  border-radius: 4px;
  background: var(--accent);
}

#login-screen .login-brand-mark span:nth-child(1) { width: 16px; }
#login-screen .login-brand-mark span:nth-child(2) { width: 24px; }
#login-screen .login-brand-mark span:nth-child(3) { width: 32px; }

#login-screen .login-form {
  position: relative;
  display: flex;
  align-items: center;
  padding: 48px;
  background: var(--bg-secondary);
}

#login-screen .auth-pane {
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
}

#login-screen .auth-welcome-title,
#login-screen .auth-pane-title {
  margin: 0 0 8px;
  color: var(--text-primary);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -.02em;
}

#login-screen .auth-welcome-sub {
  margin: 0 0 28px;
  color: var(--text-secondary);
  font-size: 14px;
}

#login-screen .welcome-menu-btn {
  position: absolute;
  top: 20px;
  left: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-subtle);
  border-radius: 9px;
  color: var(--text-secondary);
  background: transparent;
}

#login-screen .welcome-menu-btn:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

#login-screen .welcome-menu-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

#login-screen .welcome-cta-stack {
  display: grid;
  gap: 10px;
}

#login-screen .auth-choice,
#login-screen .email-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm, 10px);
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
}

#login-screen .auth-choice.primary,
#login-screen .email-btn {
  color: var(--text-on-primary);
  background: var(--primary);
  box-shadow: var(--shadow-primary);
}

#login-screen .auth-choice.primary:hover,
#login-screen .email-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

#login-screen .auth-choice.google-btn {
  color: var(--text-primary);
  background: transparent;
  border-color: var(--border-default);
}

#login-screen .auth-choice.google-btn:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
}

#login-screen .auth-choice.ghost,
#login-screen .link-btn,
#login-screen .auth-back {
  color: var(--text-secondary);
  background: transparent;
}

#login-screen .auth-choice.ghost:hover,
#login-screen .link-btn:hover,
#login-screen .auth-back:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

#login-screen .auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0 12px;
  color: var(--text-tertiary);
  font-size: 12px;
}

#login-screen .auth-divider::before,
#login-screen .auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

#login-screen .auth-pane > input,
#login-screen .auth-pane select,
#login-screen .phone-input-row input,
#login-screen .phone-input-row select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm, 10px);
  padding: 11px 13px;
  color: var(--text-primary);
  background: var(--surface-default);
  font-size: 14px;
}

#login-screen .auth-pane > input + input { margin-top: 10px; }
#login-screen .phone-input-row { display: grid; grid-template-columns: 110px 1fr; gap: 8px; margin-bottom: 10px; direction: ltr; }
#login-screen .phone-input-row input,
#login-screen .phone-input-row select { direction: ltr; }
#login-screen .auth-pane .email-btn { margin-top: 16px; }
#login-screen .auth-pane .link-btn { min-height: 36px; padding: 8px 12px; }
#login-screen .auth-back { justify-content: flex-start; margin-bottom: 24px; padding: 8px 0; }
#login-screen .email-login-msg { margin-top: 12px; }

@media (max-width: 720px) {
  #login-screen { align-items: flex-start; padding: 16px; overflow-y: auto; }
  #login-screen .login-inner { display: block; min-height: auto; border-radius: 18px; }
  #login-screen .login-brand { display: none; }
  #login-screen .login-form { min-height: calc(100dvh - 32px); padding: 36px 22px; }
  #login-screen .auth-pane { max-width: 440px; }
}

/* Palette reconciliation: map legacy runtime aliases to Signal tokens. */
:root,
body.dark {
  --bg: var(--bg-primary);
  --surface: var(--surface-default);
  --surface-2: var(--bg-tertiary);
  --header: var(--bg-secondary);
  --header-text: var(--text-primary);
  --accent: var(--primary);
  --accent-b: var(--primary-hover);
  --accent-2: var(--primary-active);
  --accent-ink: var(--text-on-primary);
  --text: var(--text-primary);
  --text-2: var(--text-secondary);
  --divider: var(--border-default);
  --input-bg: var(--bg-tertiary);
  --composer-bg: var(--bg-secondary);
  --chat-bg: var(--bg-primary);
  --bubble-me: var(--primary);
  --bubble-me-text: var(--text-on-primary);
  --bubble-other: var(--surface-default);
  --unread: var(--primary);
  --sheet-bg: var(--bg-elevated);
  --glow: var(--shadow-primary);
}

body:not(.dark) {
  --bg: var(--bg-primary);
  --surface: var(--surface-default);
  --surface-2: var(--bg-tertiary);
  --header: var(--bg-secondary);
  --header-text: var(--text-primary);
  --accent: var(--primary);
  --accent-b: var(--primary-hover);
  --accent-2: var(--primary-active);
  --accent-ink: var(--text-on-primary);
  --text: var(--text-primary);
  --text-2: var(--text-secondary);
  --divider: var(--border-default);
  --input-bg: var(--bg-tertiary);
  --composer-bg: var(--bg-secondary);
  --chat-bg: var(--bg-primary);
  --bubble-me: var(--primary);
  --bubble-me-text: var(--text-on-primary);
  --bubble-other: var(--surface-default);
  --unread: var(--primary);
  --sheet-bg: var(--bg-elevated);
  --glow: var(--shadow-primary);
}

body[data-accent] {
  --accent: var(--primary);
  --accent-b: var(--primary-hover);
  --accent-2: var(--primary-active);
  --bubble-me: var(--primary);
  --unread: var(--primary);
}

#main-screen .header-actions .icon-btn,
#main-screen .main-header-top > .icon-btn {
  color: var(--text-secondary);
  background: var(--surface-default);
  border-color: var(--border-default);
}

#main-screen .header-actions .icon-btn:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
  border-color: var(--border-strong);
}

#main-screen .chat-row,
#main-screen .channel-row,
#main-screen .call-row,
#main-screen .status-my-row {
  color: var(--text-primary);
  background: var(--surface-default);
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

#main-screen .chat-row:hover,
#main-screen .channel-row:hover,
#main-screen .call-row:hover,
#main-screen .status-my-row:hover {
  background: var(--surface-hover);
  border-color: var(--border-default);
}

#chat-screen .messages-wrap,
#channel-screen .messages-wrap {
  background: var(--bg-primary);
  background-image: none;
}

#chat-screen .msg.me,
#channel-screen .msg.me {
  color: var(--text-on-primary);
  background: var(--primary);
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}

#chat-screen .msg:not(.me),
#channel-screen .msg:not(.me) {
  color: var(--text-primary);
  background: var(--surface-default);
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

#chat-screen .composer,
#channel-screen .composer {
  background: var(--bg-primary);
}

#chat-screen .composer-field,
#channel-screen .composer-field {
  color: var(--text-primary);
  background: var(--surface-default);
  border-color: var(--border-default);
  box-shadow: var(--shadow-sm);
}

#chat-screen .send-fab,
#channel-screen .send-fab {
  color: var(--text-on-primary);
  background: var(--primary);
  box-shadow: var(--shadow-primary);
}

#chat-screen .send-fab:hover,
#channel-screen .send-fab:hover {
  background: var(--primary-hover);
}

#chat-screen #msg-input,
#channel-screen #post-input {
  color: var(--text-primary);
  background: transparent;
}

/* Dark mode semantic values must be redeclared after legacy theme aliases. */
body.dark {
  --bg-primary: #07111F;
  --bg-secondary: #0D1B2A;
  --bg-tertiary: #13263A;
  --bg-elevated: #1A2F45;
  --surface-default: #10263B;
  --surface-hover: #17334D;
  --surface-active: #1E4161;
  --surface-selected: rgba(76, 141, 255, .12);
  --primary: #4C8DFF;
  --primary-hover: #6BA0FF;
  --primary-active: #3A7AE8;
  --secondary: #19C7C0;
  --accent: var(--primary);
  --text-primary: #F2F6FA;
  --text-secondary: #A9B9C9;
  --text-tertiary: #718399;
  --text-disabled: #526477;
  --text-on-primary: #FFFFFF;
  --border-subtle: rgba(255, 255, 255, .09);
  --border-default: rgba(255, 255, 255, .15);
  --border-strong: rgba(255, 255, 255, .24);
  --border-focus: #6BA0FF;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .34);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, .42);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, .50);
  --shadow-primary: 0 4px 14px rgba(76, 141, 255, .30);
}

body.dark #main-screen .chat-name,
body.dark #main-screen .channel-name,
body.dark #main-screen .call-name,
body.dark #main-screen .chat-last,
body.dark #main-screen .channel-last,
body.dark #main-screen .call-time,
body.dark #main-screen .section-label,
body.dark #main-screen .status-section-label,
body.dark #chat-screen .chat-header-name,
body.dark #chat-screen .chat-header-status,
body.dark #chat-screen .msg-text,
body.dark #channel-screen .msg-text,
body.dark #msg-input,
body.dark #post-input {
  color: var(--text-primary);
}

body.dark #main-screen .chat-last,
body.dark #main-screen .channel-last,
body.dark #main-screen .call-time,
body.dark #main-screen .section-label,
body.dark #main-screen .status-section-label,
body.dark #chat-screen .chat-header-status {
  color: var(--text-secondary);
}

/* Desktop parity: the wide layout uses the same palette as the mobile shell. */
@media (min-width: 900px) {
  #main-screen {
    background: var(--bg-secondary);
    border-inline-start: 1px solid var(--border-subtle);
  }

  #main-screen .main-header,
  #main-screen .tabs {
    background: var(--bg-secondary);
    border-color: var(--border-subtle);
  }

  #main-screen .tab-pages {
    background: var(--bg-primary);
  }

  #main-screen .chat-row,
  #main-screen .channel-row,
  #main-screen .call-row,
  #main-screen .status-my-row {
    background: var(--surface-default);
    border-color: var(--border-subtle);
    box-shadow: var(--shadow-sm);
  }

  #chat-screen,
  #channel-screen {
    background: var(--bg-primary);
  }

  #chat-screen .chat-header,
  #channel-screen .chat-header {
    background: var(--bg-secondary);
    border-color: var(--border-subtle);
  }

  #chat-screen .messages-wrap,
  #channel-screen .messages-wrap {
    background: var(--bg-primary);
  }

  #chat-screen .composer,
  #channel-screen .composer {
    background: var(--bg-primary);
  }

  #chat-screen .composer-field,
  #channel-screen .composer-field {
    background: var(--surface-default);
    border-color: var(--border-default);
  }
}

/* Auth parity: responsive variants use the same semantic surfaces and text tokens. */
#login-screen .login-inner::before {
  background: var(--border-default);
}

#login-screen .login-brand-features {
  border-top-color: var(--border-default);
}

#login-screen .login-brand-features li,
body.dark #login-screen .login-brand-features li {
  color: var(--text-secondary);
}

body.dark #login-screen .login-brand-features {
  border-top-color: var(--border-default);
}

/* Final theme parity: every desktop and mobile surface follows the same body theme. */
body:not(.dark) #main-screen,
body:not(.dark) #chat-screen,
body:not(.dark) #channel-screen {
  color: #15202B;
  background: #F7F5F0;
}

body:not(.dark) #main-screen .main-header,
body:not(.dark) #main-screen .tabs,
body:not(.dark) #chat-screen .chat-header,
body:not(.dark) #channel-screen .chat-header {
  color: #15202B;
  background: #FFFFFF;
  border-color: rgba(21, 32, 43, .12);
}

body:not(.dark) #main-screen .tab-pages,
body:not(.dark) #chat-screen .messages-wrap,
body:not(.dark) #channel-screen .messages-wrap,
body:not(.dark) #chat-screen .composer,
body:not(.dark) #channel-screen .composer {
  background: #F7F5F0;
}

body:not(.dark) #main-screen .chat-row,
body:not(.dark) #main-screen .channel-row,
body:not(.dark) #main-screen .call-row,
body:not(.dark) #main-screen .status-my-row,
body:not(.dark) #chat-screen .composer-field,
body:not(.dark) #channel-screen .composer-field {
  color: #15202B;
  background: #FFFFFF;
  border-color: rgba(21, 32, 43, .12);
  box-shadow: 0 1px 2px rgba(21, 32, 43, .08);
}

body:not(.dark) #chat-screen .msg:not(.me),
body:not(.dark) #channel-screen .msg:not(.me) {
  color: #15202B;
  background: #FFFFFF;
  border-color: rgba(21, 32, 43, .10);
}

body:not(.dark) #chat-screen .msg.me,
body:not(.dark) #channel-screen .msg.me {
  color: #FFFFFF;
  background: #2E6BFF;
}

body.dark #main-screen,
body.dark #chat-screen,
body.dark #channel-screen {
  color: #F2F6FA;
  background: #07111F;
}

body.dark #main-screen .main-header,
body.dark #main-screen .tabs,
body.dark #chat-screen .chat-header,
body.dark #channel-screen .chat-header {
  color: #F2F6FA;
  background: #0D1B2A;
  border-color: rgba(255, 255, 255, .10);
}

body.dark #main-screen .tab-pages,
body.dark #chat-screen .messages-wrap,
body.dark #channel-screen .messages-wrap,
body.dark #chat-screen .composer,
body.dark #channel-screen .composer {
  background: #07111F;
}

body.dark #main-screen .chat-row,
body.dark #main-screen .channel-row,
body.dark #main-screen .call-row,
body.dark #main-screen .status-my-row,
body.dark #chat-screen .composer-field,
body.dark #channel-screen .composer-field {
  color: #F2F6FA;
  background: #10263B;
  border-color: rgba(255, 255, 255, .12);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .34);
}

body.dark #chat-screen .msg:not(.me),
body.dark #channel-screen .msg:not(.me) {
  color: #F2F6FA;
  background: #10263B;
  border-color: rgba(255, 255, 255, .10);
}

body.dark #chat-screen .msg.me,
body.dark #channel-screen .msg.me {
  color: #FFFFFF;
  background: #4C8DFF;
}