/* Smoked Glass structure. Identity and state colors live in identity.css. */
#app {
  padding: 0;
  gap: 0;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  overflow: hidden;
  background: radial-gradient(ellipse at 85% -8%, rgba(105, 171, 182, .17), transparent 52%),
    radial-gradient(ellipse at 10% 100%, rgba(146, 133, 213, .12), transparent 48%), var(--bg);
}
#sidebar {
  padding: 24px 15px 16px;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  background: linear-gradient(150deg, rgba(26, 41, 57, .94), rgba(18, 29, 43, .97));
  box-shadow: none;
  backdrop-filter: blur(20px);
}
.brand-row { gap: 12px; padding: 0 10px; }
.brand-mark { width: 44px; height: 44px; padding: 0; background: transparent; border: 0; border-radius: 50%; box-shadow: none; }
.nav-presence { display: block; width: 22px; height: 22px; flex: 0 0 auto; background: url("./talos-aurora.svg") center / contain no-repeat; }
.brand-copy strong { font-size: 22px; font-weight: 600; letter-spacing: -.03em; }
.new-chat { margin: 17px 0 24px; background: rgba(237, 243, 250, .025); font-size: 14px; font-weight: 500; border-radius: 12px; }
.history-label { font-size: 12px; color: var(--faint); font-weight: 500; letter-spacing: .14em; }
.chat-row { padding: 11px 10px; border-radius: 12px; }
.chat-row.active { background: rgba(237, 243, 250, .04); border-color: var(--line); }
.chat-copy strong { color: var(--text); font-size: 14px; font-weight: 500; }
.chat-copy small { color: var(--muted); font-size: 13px; }
.chat-row time { color: var(--faint); font-size: 12px; }
.chat-row.unread .chat-icon::after { background: var(--signal); }
#workspace { position: relative; overflow: hidden; border: 0; border-radius: 0; background: rgba(13, 24, 37, .78); box-shadow: none; }
.topbar { padding: 0 30px; background: transparent; border-bottom: 0; backdrop-filter: blur(20px); }
.conversation-heading h1 { font-size: 17px; font-weight: 500; letter-spacing: -.02em; color: var(--text); }
.subtle-button { font-size: 13px; font-weight: 500; height: 40px; border-radius: 10px; }
.subtle-button > span { color: var(--accent); }
.subtle-button kbd { color: var(--faint); }
.icon-button { border-radius: 11px; }
button, summary { -webkit-tap-highlight-color: transparent; }
#conversation { min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: var(--panel-3) transparent; background: radial-gradient(ellipse at 50% 22%, rgba(72, 101, 175, .12), transparent 57%); }
.home-shell { width: min(100%, 800px); min-height: 100%; margin: 0 auto; padding: 32px 42px 48px; display: flex; flex-direction: column; justify-content: center; }
.home-intro { display: flex; flex-direction: column; align-items: center; gap: 2px; margin-bottom: 24px; text-align: center; }
.section-label { display: block; color: var(--faint); font-size: 12px; font-weight: 500; letter-spacing: .15em; text-transform: uppercase; }
.home-intro .section-label { color: var(--muted); font-size: 14px; font-weight: 400; text-transform: none; letter-spacing: 0; }
.home-intro h2 { margin: 9px 0 12px; color: var(--text); font-family: var(--display); font-size: clamp(28px, 3.2vw, 36px); font-weight: 500; line-height: 1.2; letter-spacing: -.035em; }
.home-intro p { margin: 0 auto; max-width: 450px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.home-intro .talos-core { --core-size: 246px; margin: 0; }
.home-prompts { margin-top: 0; }
.home-prompts > .section-label { margin-bottom: 12px; }
.suggestions { width: 100%; gap: 8px; }
.suggestions button { min-height: 50px; padding: 13px 14px; border-radius: 12px; border-color: var(--line); background: rgba(237, 243, 250, .025); color: var(--muted); font-size: 12px; text-align: left; }
.home-prompts .suggestions button { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.home-prompts .suggestions button { min-height: 55px; border-radius: 16px; background: var(--glass); backdrop-filter: blur(18px); box-shadow: inset 0 1px rgba(230, 240, 255, .04); color: var(--text); font-size: 14px; }
.home-prompts .suggestions button > span:first-child { font-size: 20px; color: var(--talos-aurora); }
.home-prompts .suggestions button > span:last-child { margin-left: auto; color: var(--faint); }
.suggestions button:hover { border-color: var(--glass-edge); color: var(--text); background: rgba(158, 232, 210, .04); }
.suggestions button > span { color: var(--accent); }
.message-list, .typing { width: min(100%, 860px); padding-inline: 36px; }
.message-list { padding-top: 38px; }
.message-content { font-size: 16px; color: #dbe6f2; line-height: 1.8; }
.message.user .message-content { background: linear-gradient(145deg, #2b4154, #223447); border-color: rgba(158, 232, 210, .11); border-radius: 18px 5px 18px 18px; color: var(--text); padding: 13px 17px; }
.message-meta, .message-meta button { color: var(--faint); font-size: 12px; }
.message-avatar.talos-avatar, .assistant-avatar { background: transparent url("./talos-aurora.svg") center / 36px no-repeat; border: 0; border-radius: 50%; box-shadow: none; }
.typing-copy > span { background: var(--signal); }
.typing-copy small { color: var(--muted); font-size: 12px; }
.activity-disclosure > summary, .activity-step, .task-card-row, .task-card-row.complete { color: var(--muted); }
.task-card { border-radius: 16px; background: var(--glass); }
.task-card-heading, .task-card-heading strong { color: var(--muted); }
.task-card-live { color: var(--signal); background: rgba(158, 232, 210, .09); font-size: 12px; }
.task-card-row.in_progress .task-card-marker { border-color: var(--signal); }
.composer-wrap { padding: 12px 30px 22px; background: linear-gradient(to bottom, transparent, rgba(13, 24, 37, .92) 40%); }
.composer { width: min(100%, 820px); padding: 15px 15px 10px 18px; border-radius: 20px; border: 1px solid rgba(158, 232, 210, .24); border-top-color: rgba(237, 243, 250, .22); background: linear-gradient(135deg, rgba(36, 52, 70, .98), rgba(26, 39, 55, .98)); box-shadow: var(--glass-shadow); backdrop-filter: blur(20px); }
.file-drop-hint { display: none; color: var(--accent); font-size: 14px; font-weight: 600; padding-bottom: 10px; pointer-events: none; }
.composer.file-drag-over { border-color: var(--accent); box-shadow: var(--glass-shadow), 0 0 0 3px rgba(158, 232, 210, .15); }
.composer.file-drag-over .file-drop-hint { display: block; }
.composer:focus-within { border-color: rgba(158, 232, 210, .5); box-shadow: var(--glass-shadow), 0 0 0 3px rgba(158, 232, 210, .035); }
#message-input { font-size: 16px; color: var(--text); }
#message-input::placeholder { color: var(--muted); }
.send-button { width: 33px; height: 33px; border-radius: 10px; }
.send-button:hover:not(:disabled) { transform: none; filter: brightness(1.08); }
.send-button:disabled { opacity: .4; }
.attachment-menu { background: #23354a; border-radius: 16px; box-shadow: var(--glass-shadow); }
.attachment-chip { background: var(--panel-3); }
.capability-shell { width: min(100%, 850px); padding: 36px; gap: 28px; }
.capability-header h2 { font-size: 30px; font-weight: 400; letter-spacing: -.045em; }
.capability-status { padding: 16px 18px; border-radius: 16px; background: var(--glass); }
.capability-status[data-tone="ok"] .status-dot, .status-dot[data-tone="ok"] { background: var(--signal); box-shadow: 0 0 0 4px rgba(158, 232, 210, .08); }
.capability-block { gap: 13px; }
.block-heading h3 { font-weight: 500; color: var(--text); }
.request-card { padding: 22px; border-radius: 19px; background: linear-gradient(135deg, rgba(41, 54, 78, .9), rgba(26, 39, 55, .97)); border-color: rgba(158, 232, 210, .3); }
.row-copy strong, .plain-row strong { color: var(--text); font-weight: 500; }
.request-reason-label, .rule-limits, .evidence-label, .evidence-quote { color: var(--faint); }
.activity-row.done .activity-mark { background: rgba(158, 232, 210, .08); color: var(--signal); }
.chat-request { border-radius: 18px; border-color: rgba(158, 232, 210, .28); background: #202e41; box-shadow: var(--glass-shadow); }
.chat-request-dot { background: var(--accent); animation: none; }
.chat-request-title { font-size: 14px; }
.chat-request-copy > span { font-size: 12px; }
.message-attachment.downloadable:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; transform: none; }
#toast { background: #263a50; font-size: 12px; border-radius: 13px; }

@media (min-width: 761px) and (max-width: 1000px) {
  :root { --sidebar: 225px; }
  #app { padding: 0; gap: 0; }
  .home-shell { padding: 20px 25px 25px; }
  .home-intro .talos-core { --core-size: 220px; }
  .topbar { padding-inline: 22px; }
  #quick-overlay kbd { display: none; }
}
@media (max-width: 760px) {
  #app { padding: 0; border: 0; border-radius: 0; background: radial-gradient(ellipse at 95% 5%, rgba(158, 232, 210, .08), transparent 65%), var(--bg); }
  #sidebar { border-radius: 0 24px 24px 0; background: #162333; padding-top: max(24px, env(safe-area-inset-top)); }
  #workspace { height: 100%; border: 0; border-radius: 0; grid-template-rows: calc(68px + env(safe-area-inset-top)) minmax(0, 1fr) auto; background: transparent; box-shadow: none; }
  .topbar { padding: env(safe-area-inset-top) 14px 0; gap: 8px; background: transparent; }
  .conversation-heading h1 { font-size: 17px; max-width: 52vw; }
  #open-sidebar, .top-actions .icon-button { width: 44px; height: 44px; }
  .top-actions .icon-button { color: var(--accent); }
  .home-shell { padding: 10px 22px 26px; }
  .home-intro { align-items: center; gap: 0; margin-bottom: 22px; }
  .home-intro h2 { font-size: 28px; margin: 9px 0 11px; }
  .home-intro .section-label { font-size: 14px; letter-spacing: 0; }
  .home-intro p { font-size: 14px; }
  .home-intro .talos-core { --core-size: 212px; margin: 0; }
  .home-prompts { margin-top: 0; }
  .suggestions { grid-template-columns: 1fr; max-width: none; }
  .suggestions button { min-height: 48px; text-align: left; font-size: 12px; }
  .home-prompts .suggestions { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .home-prompts .suggestions button { display: flex; flex-direction: column; justify-content: center; gap: 7px; min-height: 84px; padding: 10px 6px; border-radius: 15px; font-size: 13px; text-align: center; }
  .home-prompts .suggestions button > span:last-child { display: none; }
  .message-list, .typing { padding-inline: 18px; }
  .message-content { font-size: 16px; line-height: 1.75; }
  .message.user .message-content { padding: 11px 14px; }
  .message-meta button { min-height: 36px; padding: 5px; }
  .composer-wrap { padding: 8px 12px max(12px, env(safe-area-inset-bottom)); background: linear-gradient(to bottom, transparent, var(--bg) 40%); }
  .composer { padding: 12px 13px 8px; border-radius: 18px; }
  #message-input { font-size: 16px; }
  .attach-button, .send-button { width: 44px; height: 44px; }
  .composer-bottom { margin-top: 4px; }
  .capability-shell { padding: 26px 18px 42px; }
  .capability-header h2 { font-size: 27px; }
  .request-card { padding: 18px; }
  .chat-request-actions .allow-button, .chat-request-actions .ghost-button { min-height: 44px; }
  #toast { bottom: calc(80px + env(safe-area-inset-bottom)); }
}
@media (max-width: 360px) {
  .home-shell { padding-inline: 18px; }
  .home-intro .talos-core { --core-size: 174px; }
  .home-intro { gap: 0; }
  .home-intro h2 { font-size: 25px; }
}

.connection-status { color: var(--danger); font-size: 13px; }

/* The glass shell is the desktop window, with no inset second frame. */
@media (min-width: 761px) {
  html, body { background: transparent; }
  body.maximized #app { border-radius: 0; border: 0; }
}
.empty-state.home-shell { align-items: stretch; max-width: 800px; }
body.android { background: var(--bg); }
body.android #app { border: 0; border-radius: 0; }
body.android .desktop-only { display: none !important; }
.new-chat { margin-top: 28px; }
body[data-empty-conversation="true"] .chat-request-banner { display: none; }
.capability-nav { display: flex; align-items: center; gap: 8px; }
.capability-nav svg { width: 19px; height: 19px; fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-linejoin: round; }
.capability-nav .capability-label { color: var(--text); font-size: 13px; }
.window-controls { display: flex; gap: 3px; margin-left: 8px; flex-shrink: 0; }
.window-controls button { display: grid; place-items: center; width: 36px; height: 36px; padding: 0; border: 0; border-radius: 10px; background: transparent; color: var(--muted); cursor: pointer; }
.window-controls svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; }
.window-controls button:hover { background: rgba(237, 243, 250, .07); color: var(--text); }
#window-close:hover { background: rgba(245, 163, 150, .16); color: var(--danger); }
@media (max-width: 760px) {
  .capability-nav .capability-label { display: none; }
  .capability-nav { width: 44px; height: 44px; padding: 0; justify-content: center; border: 0; background: transparent; }
  .conversation-heading h1 { max-width: 40vw; }
}
@media (min-width: 761px) and (max-height: 700px) {
  .home-shell { padding-block: 12px 22px; }
  .home-intro .talos-core { --core-size: 180px; }
}