/* Session-first navigation. This screen replaces the session drawer at every size. */
:root {
  --chat-accent: #59c5a5;
  --chat-accent-soft: rgba(89, 197, 165, .12);
  --chat-on-accent: #102c24;
}
:root[data-theme="clean"], :root[data-theme="terracotta"], :root[data-theme="sage"] {
  --chat-accent: #237b64;
  --chat-accent-soft: rgba(35, 123, 100, .09);
  --chat-on-accent: #fff;
}
[hidden] { display: none !important; }
.app-layout[data-view="sessions"] > .file-sidebar,
.app-layout[data-view="sessions"] > .file-sidebar-overlay,
.app-layout > .file-sidebar.collapsed { display: none; }
.sessions-page {
  flex: 1;
  min-width: 0;
  height: 100%;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
.sessions-shell {
  max-width: 820px;
  min-height: 100%;
  margin: 0 auto;
  padding: max(28px, env(safe-area-inset-top)) 36px max(24px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
}
.sessions-topbar, .sessions-tools, .sessions-heading-row, .sessions-filter-row,
.sessions-list-heading, .sessions-filters, .sessions-search { display: flex; align-items: center; }
.sessions-topbar { justify-content: space-between; margin-bottom: 38px; }
.sessions-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.3px;
  text-decoration: none;
}
.sessions-brand { min-height: 44px; }
.sessions-brand img { width: 28px; height: 28px; border-radius: 8px; }
.sessions-tools { gap: 5px; }
.sessions-tools .icon-btn, .back-to-sessions { width: 44px; height: 44px; flex-shrink: 0; }
.sessions-heading-row { justify-content: space-between; gap: 16px; margin-bottom: 23px; }
.sessions-heading-row h1 { font-size: 42px; font-weight: 650; line-height: 1.15; letter-spacing: -1.8px; }
.heading-dot { color: var(--chat-accent); }
.sessions-heading-row p { margin-top: 7px; color: var(--text-secondary); font-size: 14px; }
.new-chat-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 17px;
  min-height: 46px;
  border: 0;
  border-radius: 14px;
  color: var(--chat-on-accent);
  background: var(--chat-accent);
  font: inherit;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
  flex-shrink: 0;
}
.new-chat-btn:hover { filter: brightness(1.08); }
.sessions-host { align-self: flex-start; margin-bottom: 22px; max-width: 100%; position: relative; z-index: 20; }
.sessions-host .host-switcher-trigger { min-height: 44px; padding: 7px 11px; border: 1px solid var(--border-hover); border-radius: 10px; width: auto; gap: 20px; }
.sessions-host .host-switcher-avatar { width: 23px; height: 23px; border-radius: 7px; font-size: 11px; background: var(--chat-accent-soft); color: var(--chat-accent); }
.sessions-host .host-switcher-trigger-main { gap: 8px; }
.sessions-host .host-switcher-trigger-texts { flex-direction: row; gap: 8px; align-items: center; }
.sessions-host .host-switcher-trigger-label { font-size: 12px; }
.sessions-host .host-switcher-trigger-url { font-size: 11px; color: var(--text-secondary); max-width: 240px; }
.sessions-host .host-switcher-menu { top: calc(100% + 8px); bottom: auto; width: min(440px, calc(100vw - 40px)); right: auto; }
.sessions-host .host-switcher-menu-list { max-height: 40dvh; }
.sessions-search { gap: 11px; background: var(--bg-glass-hover); border: 1px solid transparent; border-radius: 14px; padding: 0 16px; min-height: 50px; color: var(--text-secondary); }
.sessions-search:focus-within { border-color: var(--chat-accent); }
.sessions-search > svg { flex-shrink: 0; }
.sessions-search input { border: 0; outline: none; background: transparent; color: var(--text-primary); width: 100%; min-width: 0; height: 48px; font: inherit; font-size: 15px; }
.sessions-search input::placeholder { color: var(--text-secondary); }
.sessions-search input::-webkit-search-cancel-button { display: none; }
.search-clear-btn { background: transparent; border: 0; color: var(--text-secondary); font-size: 24px; width: 36px; height: 44px; cursor: pointer; flex-shrink: 0; }
.sessions-filter-row { gap: 12px; justify-content: space-between; margin: 18px 0 28px; }
.sessions-filters { gap: 8px; }
.session-filter { border: 1px solid var(--border); border-radius: 24px; padding: 8px 15px; min-height: 38px; background: transparent; color: var(--text-secondary); font: inherit; font-size: 13px; cursor: pointer; white-space: nowrap; }
.session-filter.active { background: var(--chat-accent-soft); color: var(--chat-accent); border-color: transparent; font-weight: 600; }
.session-filter span { margin-right: 3px; font-size: 16px; line-height: 1; }
.sessions-connection { color: var(--text-secondary); font-size: 11px; max-width: 45%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sessions-connection::before { content: ''; display: inline-block; width: 6px; height: 6px; border-radius: 50%; margin-right: 6px; background: var(--warning); }
.sessions-connection[data-status="connected"]::before { background: var(--chat-accent); }
.sessions-connection[data-status="disconnected"]::before { background: var(--error); }
.sessions-list-heading { justify-content: space-between; padding: 0 3px 12px; color: var(--text-secondary); font-size: 11px; letter-spacing: 1px; }
#session-list-summary { letter-spacing: 0; color: var(--text-secondary); }
.sessions-page .session-list { flex: 0 0 auto; overflow: visible; padding: 0; }
.sessions-page .session-item { flex-direction: row; align-items: center; padding: 0; margin: 0; min-height: 100px; border-radius: 0; border-bottom: 1px solid var(--border); cursor: default; transition: background .15s ease; }
.sessions-page .session-item:last-child { border-bottom: 1px solid var(--border); }
.sessions-page .session-item:hover { background: var(--bg-glass); }
.sessions-page .session-item:active { transform: none; }
.sessions-page .session-item.active { background: transparent; }
.sessions-page .session-item.active .session-avatar { box-shadow: 0 0 0 2px var(--bg-solid), 0 0 0 3px var(--chat-accent); }
.session-open { flex: 1; min-width: 0; display: flex; align-items: center; gap: 16px; padding: 18px 0; border: 0; background: transparent; text-align: left; color: var(--text-primary); font: inherit; cursor: pointer; border-radius: 12px; }
.session-avatar { width: 54px; height: 54px; display: inline-flex; position: relative; flex-shrink: 0; justify-content: center; align-items: center; border-radius: 19px; background: var(--chat-accent-soft); color: var(--chat-accent); font-size: 17px; font-weight: 550; letter-spacing: .3px; }
.session-avatar[data-tone="1"] { background: rgba(110, 149, 209, .16); color: #7f9fce; }
.session-avatar[data-tone="2"] { background: rgba(181, 140, 200, .16); color: #b48cca; }
.session-avatar[data-tone="3"] { background: rgba(209, 158, 104, .16); color: #c19870; }
.session-avatar[data-tone="4"] { background: rgba(210, 135, 135, .16); color: #c88e92; }
.session-avatar[data-tone="5"] { background: rgba(122, 169, 169, .16); color: #7ea7af; }
.session-presence { position: absolute; width: 11px; height: 11px; border-radius: 50%; background: var(--chat-accent); border: 2px solid var(--bg-solid); right: -1px; bottom: 0; }
.session-item.stale .session-presence { background: var(--warning); }
.session-item.stale .session-avatar { opacity: .65; }
.session-copy { display: flex; flex-direction: column; flex: 1; min-width: 0; gap: 3px; }
.sessions-page .session-title-row { gap: 9px; }
.sessions-page .session-title { font-size: 15px; font-weight: 600; line-height: 1.4; display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; min-width: 0; flex: 1; letter-spacing: -.15px; }
.session-time { font-size: 11px; color: var(--text-secondary); white-space: nowrap; flex-shrink: 0; margin-left: auto; font-weight: 400; }
.session-project { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--chat-accent); font-size: 11px; line-height: 1.5; }
.session-preview { color: var(--text-secondary); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; line-height: 1.45; }
.session-more-btn { align-self: stretch; display: flex; align-items: center; justify-content: center; min-width: 44px; margin-left: 4px; border: 0; background: transparent; color: var(--text-secondary); cursor: pointer; border-radius: 10px; }
.session-more-btn:hover { color: var(--text-primary); background: var(--bg-glass-hover); }
.sessions-page .session-fav-icon { color: var(--chat-accent); }
.sessions-footer { margin-top: auto; padding: 32px 0 0; display: flex; justify-content: center; align-items: center; gap: 6px; color: var(--text-secondary); font-size: 11px; }
.session-empty { padding: 52px 20px 60px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.session-empty strong { font-size: 16px; font-weight: 550; }
.session-empty p { font-size: 13px; color: var(--text-secondary); max-width: 280px; }
.session-empty-icon { font-size: 36px; color: var(--chat-accent); margin-bottom: 8px; }
.session-context-menu { min-width: 200px; }
.session-context-menu .context-menu-item { border: 0; background: transparent; width: 100%; font: inherit; font-size: 14px; min-height: 44px; text-align: left; }
.session-context-menu .context-menu-item:hover { background: var(--bg-glass-hover); }
.session-rename-form { display: flex; flex: 1; gap: 8px; padding: 18px 0; min-width: 0; }
.session-rename-form input { flex: 1; min-width: 0; padding: 12px; font-size: 16px; border: 1px solid var(--chat-accent); }
.session-rename-form button { border: 0; border-radius: 8px; padding: 10px; background: var(--chat-accent); color: var(--chat-on-accent); cursor: pointer; }
.saved-results-heading { font-size: 12px; font-weight: 500; color: var(--text-secondary); margin-top: 24px; padding: 12px 0; }
.saved-search-result { display: flex; flex-direction: column; gap: 7px; width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--border); color: var(--text-primary); padding: 16px 0; text-align: left; cursor: pointer; }
.saved-search-result .search-snippet { font-size: 13px; color: var(--text-secondary); }
/* The conversation uses all available width. Model controls remain secondary to identity. */
#conversation-page .header { position: relative; flex-shrink: 0; min-height: 76px; padding: 10px 22px; gap: 14px; }
#conversation-page .header-left { flex: 1; min-width: 0; gap: 12px; }
.conversation-identity { display: flex; flex-direction: column; min-width: 0; gap: 3px; }
.conversation-identity strong { font-size: 15px; font-weight: 600; white-space: nowrap; text-overflow: ellipsis; overflow: hidden; }
.conversation-identity > span { color: var(--text-secondary); font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conversation-controls { display: flex; align-items: center; gap: 8px; min-width: 0; }
#conversation-page .header-right { gap: 8px; }
#conversation-page .header-right .current-target { display: none; }
#conversation-page .messages { padding-top: 24px; }
#conversation-page .model-dropdown-btn { max-width: 185px; }
#conversation-page .header .status-text { display: none; }
@media (max-width: 1100px) {
  #conversation-page .header .session-cost, #conversation-page .header .token-usage { display: none; }
}
@media (max-width: 768px) {
  .sessions-shell { padding: max(18px, env(safe-area-inset-top)) 20px max(20px, env(safe-area-inset-bottom)); }
  .sessions-topbar { margin-bottom: 25px; }
  .sessions-heading-row { margin-bottom: 20px; }
  .sessions-heading-row h1 { font-size: 36px; letter-spacing: -1.4px; }
  .sessions-heading-row p { font-size: 13px; }
  .new-chat-btn { width: 48px; height: 48px; padding: 0; border-radius: 16px; }
  .new-chat-btn span { display: none; }
  .sessions-host { margin-bottom: 18px; }
  .sessions-host .host-switcher-trigger-url { max-width: 175px; }
  .sessions-search input { font-size: 16px; }
  .sessions-filter-row { margin: 16px 0 24px; }
  .session-filter { min-height: 44px; padding: 8px 14px; }
  .sessions-connection { max-width: 34%; font-size: 10px; }
  .sessions-page .session-item { min-height: 99px; }
  .session-open { gap: 13px; padding: 17px 0; }
  .session-avatar { width: 49px; height: 49px; border-radius: 17px; font-size: 16px; }
  .sessions-page .session-title { font-size: 15px; }
  .session-time { font-size: 10px; }
  .session-more-btn { min-width: 44px; margin-left: 2px; }
  .session-more-btn svg { width: 17px; }
  .session-project { font-size: 11px; }
  .session-preview { font-size: 12px; }
  .sessions-footer { padding-top: 30px; }
  #conversation-page .header { padding: 8px 12px; flex-wrap: wrap; gap: 4px; }
  #conversation-page .header-left { flex: 1; gap: 7px; width: calc(100% - 128px); }
  #conversation-page .header-right { order: 1; gap: 0; }
  #conversation-page .conversation-controls { order: 2; flex-basis: 100%; padding-left: 49px; gap: 8px; }
  #conversation-page .conversation-controls .model-dropdown { flex: initial; }
  #conversation-page .conversation-controls .model-dropdown-btn { max-width: 230px; min-height: 32px; padding: 4px 0; font-size: 11px; background: transparent; }
  #conversation-page .conversation-controls .thinking-tag { display: inline-flex !important; font-size: 10px; }
  #conversation-page .header .status { min-width: 12px; margin-right: 5px; }
  #conversation-page .back-to-sessions { padding: 4px; }
  #conversation-page .messages { padding-top: 18px; }
}
@media (max-width: 360px) {
  .sessions-shell { padding-left: 15px; padding-right: 15px; }
  .sessions-host .host-switcher-trigger-url { max-width: 145px; }
  .session-avatar { width: 43px; height: 43px; }
  .session-open { gap: 10px; }
  .sessions-connection { max-width: 27%; }
}

.sessions-page .session-item.mirror-live .session-title::before { display: none; }
.sessions-page .session-item.active .session-title { color: var(--text-primary); }
.sessions-page .session-item.stale { opacity: 1; }

#conversation-page .input-bubble { min-width: 0; }
#conversation-page #message-input { min-width: 0; min-height: 50px; }
@media (max-width: 768px) {
  #conversation-page #chat-form { align-items: flex-end; gap: 6px; }
  #conversation-page .input-left-actions { flex-direction: row; align-self: flex-end; gap: 0; }
  #conversation-page .input-actions { align-self: flex-end; }
  #conversation-page #send-btn, #conversation-page #abort-btn { width: 44px; height: 44px; }
  #conversation-page #message-input { padding: 12px 36px 12px 12px; }
  #conversation-page .conversation-controls .model-dropdown-btn { min-height: 44px; }
  #conversation-page .conversation-controls .thinking-tag { min-height: 44px; border: 0; }
  #conversation-page .mobile-context-toggle { min-height: 44px; }
}

.session-list-notice { padding: 12px 14px; border: 1px solid var(--warning); border-radius: 10px; font-size: 13px; color: var(--text-primary); margin-bottom: 12px; }
.session-rename-form { flex-wrap: wrap; }
.session-rename-form input { flex-basis: 100%; }
.session-rename-error { flex-basis: 100%; color: var(--error); font-size: 12px; }
.session-rename-form .session-rename-cancel { background: var(--bg-glass-hover); color: var(--text-primary); }