:root {
  color-scheme: dark;
  font-family: var(--qi-font-sans);
}

* { box-sizing: border-box; }

html, body, #app { width: 100%; height: 100%; min-height: 0; margin: 0; overflow: hidden; }
body { background: var(--qi-bg); color: var(--qi-text); }
button, textarea, select { font: inherit; }
button, select { color: inherit; }

.chat-boot {
  display: grid;
  min-height: 100%;
  place-items: center;
  padding: 24px;
  background: radial-gradient(ellipse at 68% 0%, rgba(53, 201, 154, .1), transparent 42%);
}
.chat-boot__panel {
  display: grid;
  justify-items: center;
  gap: 8px;
  width: min(100%, 420px);
  padding: 28px;
  border-radius: var(--qi-radius-lg);
  text-align: center;
}
.chat-boot__brand { color: var(--qi-text); font: var(--qi-font-title-sm); letter-spacing: .12em; }
.chat-boot__brand span { color: var(--qi-accent); }
.chat-boot__panel h1 { margin: 0; font-size: 24px; }
.chat-boot__panel p { margin: 0; color: var(--qi-text-muted); font: var(--qi-font-body-sm); }
.chat-boot__retry {
  margin-top: 8px;
  padding: 9px 14px;
  border: 1px solid var(--qi-border);
  border-radius: var(--qi-radius-md);
  background: var(--qi-surface);
  color: var(--qi-text);
  cursor: pointer;
}
.chat-boot__retry:hover { border-color: var(--qi-accent); }

.chat-app {
  background: radial-gradient(ellipse at 68% 0%, rgba(53, 201, 154, .1), transparent 42%);
}
.chat-body { position: relative; }
.chat-content { display: flex; flex: 1; flex-direction: column; min-width: 0; overflow: hidden; }
.chat-topbar { flex: 0 0 var(--qi-topbar-h, 48px); }
.chat-topbar .qi-tenant-switcher { flex: 0 1 auto; min-width: 0; }
.chat-topbar .qi-tenant-btn { max-width: min(18vw, 180px); }
.chat-topbar .qi-tenant-btn__name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-topbar .qi-usage-meter { flex: 0 0 auto; }
.chat-app-switcher { position: relative; flex: 0 0 auto; }
.chat-app-switcher > summary { list-style: none; }
.chat-app-switcher > summary::-webkit-details-marker { display: none; }
.chat-app-switcher__nav-icon { flex: 0 0 auto; }
.chat-app-switcher__trigger {
  display: flex;
  min-height: 34px;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  border: 1px solid transparent;
  border-radius: var(--qi-radius-md);
  color: var(--qi-text);
  cursor: pointer;
}
.chat-app-switcher__trigger:hover, .chat-app-switcher[open] .chat-app-switcher__trigger {
  border-color: var(--qi-border);
  background: var(--qi-surface);
}
.chat-app-switcher__brand { font: var(--qi-font-title-sm); letter-spacing: .08em; }
.chat-app-switcher__brand span { color: var(--qi-accent); }
.chat-app-switcher__current { color: var(--qi-text-muted); font: var(--qi-font-body-sm); }
.chat-app-switcher__trigger svg { color: var(--qi-text-muted); }
.chat-app-switcher__menu {
  position: absolute;
  z-index: calc(var(--qi-z-overlay) + 1);
  top: calc(100% + 8px);
  left: 0;
  display: none;
  width: min(260px, calc(100vw - 24px));
  gap: 4px;
  padding: 8px;
  border: 1px solid var(--qi-glass-border);
  border-radius: var(--qi-radius-lg);
  background: var(--qi-bg-elevated);
  box-shadow: var(--qi-shadow-raised);
}
.chat-app-switcher__overlay { display: none; }
.chat-app-switcher[open] .chat-app-switcher__menu { display: grid; }
.chat-app-switcher__heading, .chat-app-switcher__empty {
  margin: 0;
  padding: 7px 9px;
  color: var(--qi-text-muted);
  font: var(--qi-font-caption);
}
.chat-app-switcher__heading { text-transform: uppercase; letter-spacing: .08em; }
.chat-app-switcher__item {
  min-height: 38px;
  padding: 8px 10px;
  border: 0;
  border-radius: var(--qi-radius-md);
  background: transparent;
  color: var(--qi-text);
  text-align: left;
  cursor: pointer;
}
.chat-app-switcher__item:hover, .chat-app-switcher__item:focus-visible {
  outline: 0;
  background: var(--qi-glass-hover);
}
.chat-history-toggle.qi-topbar__messenger-toggle {
  display: inline-flex;
  flex: 0 0 38px;
  align-items: center;
  justify-content: center;
  width: 38px;
  min-width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--qi-glass-border-subtle);
  border-radius: var(--qi-radius-md);
  background: transparent;
}
.chat-history-toggle:hover,
.chat-history-toggle[aria-expanded="true"] {
  border-color: var(--qi-border);
  background: var(--qi-surface);
}
.chat-account-menu { position: relative; flex: 0 0 auto; }
.chat-account-menu > summary { list-style: none; }
.chat-account-menu > summary::-webkit-details-marker { display: none; }
.chat-account-menu__panel { display: none; }
.chat-account-menu[open] .chat-account-menu__panel { display: block; }
.chat-account-menu__tenant {
  margin: 0;
  padding: 6px 0 2px;
  border-top: 1px solid var(--qi-glass-border-subtle);
  color: var(--qi-text-muted);
  font: var(--qi-font-caption);
}
.chat-environment-badge {
  flex: 0 0 auto;
  padding: 5px 8px;
  border: 1px solid var(--qi-border);
  border-radius: var(--qi-radius-pill);
  color: var(--qi-text-muted);
  font: 600 10px var(--qi-font-sans);
  letter-spacing: .04em;
  white-space: nowrap;
}
.chat-environment-badge--production {
  border-color: rgba(248, 113, 113, .45);
  background: rgba(163, 32, 32, .2);
  color: #ffb4b4;
}
.chat-environment-badge--mock {
  border-color: rgba(245, 185, 66, .35);
  color: #f5c66f;
}
.chat-welcome__mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(102, 252, 241, .5);
  border-radius: 10px;
  color: var(--qi-accent);
  background: rgba(102, 252, 241, .08);
  font-weight: 800;
}

.chat-workspace {
  position: relative;
  display: grid;
  grid-template-columns: clamp(240px, 23vw, 280px) minmax(0, 1fr);
  flex: 1;
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}
.chat-workspace.is-history-collapsed { grid-template-columns: minmax(0, 1fr); }
.chat-workspace.is-history-collapsed .chat-sidebar {
  min-width: 0;
  padding-right: 0;
  padding-left: 0;
  border-right-width: 0;
  opacity: 0;
  transform: translateX(-8px);
  visibility: hidden;
  pointer-events: none;
}

.chat-sidebar {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow-y: auto;
  padding: 14px 12px;
  border-right: 1px solid var(--qi-border);
  background: rgba(255,255,255,.018);
  opacity: 1;
  transform: translateX(0);
  visibility: visible;
  transition:
    opacity 160ms ease,
    transform 200ms cubic-bezier(.2,.8,.2,1),
    padding 200ms ease,
    border-color 200ms ease,
    visibility 0s;
}

.chat-new-chat {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 42px;
  margin-bottom: 10px;
  padding: 0 12px;
  border: 1px solid var(--qi-border);
  border-radius: var(--qi-radius-md);
  background: var(--qi-surface);
  text-align: left;
  cursor: pointer;
}
.chat-new-chat:hover { border-color: var(--qi-accent); background: var(--qi-glass-hover); }
.chat-new-chat:disabled { opacity: .55; cursor: wait; }
.chat-new-chat > span:first-child { color: var(--qi-accent); font-size: 19px; line-height: 1; }
.chat-sidebar__heading { display: flex; align-items: center; padding: 4px 8px 10px; }
.chat-sidebar__heading h2 { margin: 0; color: var(--qi-text-muted); font: var(--qi-font-eyebrow); text-transform: uppercase; letter-spacing: .08em; }
.chat-sidebar__heading--chats { margin-top: 18px; }
.chat-project-add {
  width: 28px;
  height: 28px;
  margin-left: auto;
  border: 1px solid var(--qi-border);
  border-radius: 9px;
  background: var(--qi-surface);
  color: var(--qi-accent);
  cursor: pointer;
}
.chat-project-add:disabled { opacity: .55; cursor: wait; }
.chat-project-list { display: grid; gap: 3px; }
.chat-project-row { position: relative; display: flex; align-items: center; min-width: 0; gap: 3px; }
.chat-project-row > .chat-project { flex: 1; min-width: 0; }
.chat-sidebar__project-status {
  margin: 0 8px;
  padding: 8px 10px;
  border-left: 2px solid var(--qi-glass-border);
  color: var(--qi-text-muted);
  font: var(--qi-font-caption);
  line-height: 1.5;
}
.chat-project {
  overflow: hidden;
  padding: 9px 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--qi-text-muted);
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}
.chat-project:hover, .chat-project.is-selected { background: rgba(102, 252, 241, .08); color: var(--qi-text); }
.chat-project:disabled { cursor: wait; }
.chat-sidebar__search {
  width: 100%;
  margin: 0 0 18px;
  padding: 9px 10px;
  border: 1px solid var(--qi-border);
  border-radius: var(--qi-radius-md);
  outline: 0;
  background: var(--qi-surface);
  color: var(--qi-text);
  font: var(--qi-font-body-sm);
}
.chat-sidebar__search:focus { border-color: var(--qi-accent); }
.chat-sidebar__search::placeholder { color: var(--qi-text-muted); }
.chat-sidebar__all-chats {
  margin-left: auto;
  padding: 4px 8px;
  border: 1px solid transparent;
  border-radius: var(--qi-radius-pill);
  background: transparent;
  color: var(--qi-text-muted);
  font: var(--qi-font-caption);
  cursor: pointer;
}
.chat-sidebar__all-chats:hover,
.chat-sidebar__all-chats.is-selected {
  border-color: var(--qi-glass-border-subtle);
  background: var(--qi-surface);
  color: var(--qi-text);
}
.chat-sidebar__all-chats:disabled { opacity: .55; cursor: wait; }
.chat-conversation__delete {
  border: 1px solid var(--qi-border);
  background: var(--qi-surface);
  color: var(--qi-accent);
  border-radius: 9px;
  cursor: pointer;
}
.chat-conversation-list { display: grid; gap: 4px; }
.chat-conversation { display: flex; align-items: center; min-width: 0; gap: 4px; border-radius: 10px; }
.chat-conversation[hidden] { display: none; }
.chat-conversation.is-selected { background: rgba(102, 252, 241, .08); }
.chat-conversation__select {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  padding: 10px;
  border: 0;
  background: transparent;
  color: var(--qi-text);
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}
.chat-item-settings { position: relative; flex: 0 0 28px; }
.chat-item-settings > summary { list-style: none; }
.chat-item-settings > summary::-webkit-details-marker { display: none; }
.chat-item-settings > summary,
.chat-conversation__delete {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--qi-text-muted);
  font-size: 15px;
  cursor: pointer;
  opacity: 0;
}
.chat-conversation:hover .chat-item-settings > summary,
.chat-conversation:hover .chat-conversation__delete,
.chat-project-row:hover .chat-item-settings > summary,
.chat-item-settings[open] > summary,
.chat-item-settings > summary:focus-visible,
.chat-conversation__delete:focus-visible { opacity: 1; }
.chat-item-settings > summary:hover,
.chat-item-settings[open] > summary {
  border-color: var(--qi-glass-border-subtle);
  background: var(--qi-surface);
  color: var(--qi-accent);
}
.chat-conversation__delete { flex: 0 0 28px; margin-right: 3px; }
.chat-item-settings__panel {
  position: absolute;
  z-index: calc(var(--qi-z-overlay) + 2);
  top: calc(100% + 4px);
  right: 0;
  display: grid;
  width: min(250px, calc(100vw - 48px));
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--qi-glass-border);
  border-radius: var(--qi-radius-md);
  background: var(--qi-bg-elevated);
  box-shadow: var(--qi-shadow-raised);
}
.chat-item-settings__panel label {
  display: grid;
  gap: 6px;
  color: var(--qi-text-muted);
  font: var(--qi-font-caption);
}
.chat-item-settings__panel .chat-sharing-select {
  width: 100%;
  min-height: 34px;
  padding: 6px 8px;
  border: 1px solid var(--qi-border);
  border-radius: var(--qi-radius-sm);
  background: var(--qi-surface);
  color: var(--qi-text);
}
.chat-sidebar__empty { padding: 8px; line-height: 1.5; }

.chat-main { width: min(100%, 980px); min-width: 0; min-height: 0; margin: 0 auto; padding: 16px clamp(16px, 3vw, 40px) 12px; display: flex; flex-direction: column; }
.chat-main__heading { display: flex; flex-wrap: wrap; align-items: center; gap: 0 14px; padding: 2px 0 12px; }
.chat-main__heading h1 { margin: 0; font-size: 15px; font-weight: 600; }
.chat-main__heading p, .chat-muted { flex-basis: 100%; margin: 6px 0 0; color: var(--qi-text-muted); font: var(--qi-font-caption); }
.chat-sharing-select {
  max-width: 100%;
  min-height: 32px;
  padding: 5px 9px;
  border: 1px solid var(--qi-border);
  border-radius: var(--qi-radius-md);
  background: var(--qi-surface);
  color: var(--qi-text);
}

.chat-thread { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 14px; padding: 12px 0 20px; overflow-y: auto; }
.chat-welcome { width: min(100%, 520px); margin: auto; text-align: center; }
.chat-welcome__mark { width: 54px; height: 54px; margin: 0 auto 18px; border-radius: 17px; font-size: 22px; box-shadow: 0 0 48px rgba(53,201,154,.16); }
.chat-welcome h1 { margin: 0 0 8px; font-size: clamp(24px, 4vw, 34px); letter-spacing: -.03em; }
.chat-welcome p { color: var(--qi-text-muted); line-height: 1.6; }
.chat-welcome__prompts { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 20px; }
.chat-prompt { padding: 9px 12px; border: 1px solid var(--qi-glass-border); border-radius: var(--qi-radius-pill); background: var(--qi-glass); color: var(--qi-text); cursor: pointer; }
.chat-prompt:hover { border-color: var(--qi-accent); }
.chat-message { display: flex; flex-direction: column; align-items: stretch; gap: 8px; width: 100%; }
.chat-message .qi-bubble { max-width: min(75%, 720px); }
.chat-message .qi-bubble--human { align-self: flex-end; }
.chat-message .qi-bubble--ai { align-self: flex-start; }
.chat-message .qi-bubble__text { white-space: pre-wrap; line-height: 1.65; }
.chat-message .chat-evidence-card { width: min(100%, 720px); }
.chat-message__status, .chat-runtime-status { margin: 9px 0 0; color: var(--qi-text-muted); font: var(--qi-font-caption); }
.chat-runtime-status { align-self: flex-start; }

.chat-proposal { margin-top: 12px; padding: 12px; border: 1px solid rgba(212,175,55,.35); border-radius: 12px; background: rgba(212,175,55,.06); }
.chat-proposal h2 { margin: 0 0 6px; font-size: 14px; }
.chat-proposal p { color: var(--qi-text-muted); line-height: 1.5; }
.chat-proposal__actions { display: flex; flex-wrap: wrap; gap: 8px; }

.chat-composer { padding: 4px; border: 1px solid var(--qi-glass-border); border-radius: 18px; background: var(--qi-surface-raised); box-shadow: var(--qi-shadow-raised); }
.chat-composer .qi-input-bar { padding: 8px; }
.chat-composer .qi-input-bar__input { min-height: 38px; max-height: 140px; resize: vertical; }
.chat-composer .qi-icon-btn { flex: 0 0 36px; width: 36px; height: 36px; }
.chat-composer .qi-icon-btn:disabled { opacity: .6; cursor: wait; }
.chat-composer__note { margin: 6px 4px 0; color: var(--qi-text-muted); font: var(--qi-font-caption); text-align: center; }

.chat-button { min-height: 36px; padding: 7px 13px; border: 1px solid var(--qi-border); border-radius: var(--qi-radius-md); background: transparent; cursor: pointer; }
.chat-button--primary { border-color: transparent; background: var(--qi-accent); color: var(--qi-on-accent); font-weight: 700; }
.chat-button--primary:disabled { opacity: .6; cursor: wait; }
.chat-button--quiet { color: var(--qi-text-muted); }
.chat-notice { margin: 0 0 12px; padding: 10px 12px; border-radius: 10px; background: var(--qi-surface); }
.chat-notice--error { color: var(--qi-error); }

.chat-login__page { height: 100vh; height: 100dvh; overflow-y: auto; padding: var(--qi-space-lg) 0; }
.chat-startup-error { display: grid; gap: var(--qi-space-md); }
.chat-startup-error__detail { margin: 0; color: var(--qi-error); font: var(--qi-font-body-sm); overflow-wrap: anywhere; }
.chat-startup-error__guidance { text-align: center; }
.chat-startup-error__retry { justify-self: center; min-width: 140px; }
.chat-login__qr-container { min-height: 0; gap: var(--qi-space-sm); }
.chat-login__qr { display: grid; place-items: center; }
.chat-login__qr-code { width: 180px; height: 180px; }
.chat-login__status { max-width: 34ch; }
.chat-intent-tenant { display: grid; gap: var(--qi-space-md); }
.chat-intent-tenant__label { display: grid; gap: var(--qi-space-xs); }
.chat-intent-tenant__select { min-height: 42px; padding: 8px 10px; border: 1px solid var(--qi-border); border-radius: var(--qi-radius-md); background: var(--qi-surface); }
.chat-intent-tenant__submit { justify-self: end; }

@media (max-width: 48rem) {
  .chat-workspace { display: block; }
  .chat-workspace.is-history-collapsed .chat-sidebar {
    min-width: 0;
    padding: 14px 12px;
    border-right-width: 1px;
    opacity: 0;
    transform: translateX(-100%);
    visibility: hidden;
    pointer-events: none;
  }
  .chat-sidebar {
    position: fixed;
    z-index: calc(var(--qi-z-overlay) + 1);
    top: var(--qi-topbar-h, 48px);
    bottom: 0;
    left: 0;
    display: flex;
    width: min(320px, 86vw);
    overflow-y: auto;
    border-right: 1px solid var(--qi-glass-border);
    background: var(--qi-bg-elevated, var(--qi-bg));
    box-shadow: 12px 0 34px rgba(0,0,0,.4);
    opacity: 0;
    transform: translateX(-100%);
    visibility: hidden;
    pointer-events: none;
    transition:
      transform 240ms cubic-bezier(.2,.8,.2,1),
      opacity 180ms ease,
      visibility 0s linear 240ms;
  }
  .chat-workspace:not(.is-history-collapsed) .chat-sidebar.is-open {
    opacity: 1;
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
    animation: chat-drawer-enter 240ms cubic-bezier(.2,.8,.2,1) both;
  }
  .chat-sidebar-scrim {
    position: fixed;
    z-index: var(--qi-z-overlay);
    inset: var(--qi-topbar-h, 48px) 0 0;
    border: 0;
    background: rgba(0,0,0,.48);
    animation: chat-scrim-enter 180ms ease both;
  }
  .chat-main { height: 100%; padding: 14px 12px 10px; }
  .chat-message .qi-bubble { max-width: 92%; }
  .chat-conversation__delete,
  .chat-item-settings > summary { opacity: 1; }
  .chat-topbar .qi-tenant-btn { max-width: 22vw; }
  .chat-app-switcher__trigger { gap: 5px; padding-right: 5px; padding-left: 5px; }
  .chat-app-switcher__current { font-size: 12px; }
  .chat-topbar .qi-usage-meter { display: none; }
  .chat-app-switcher[open] .chat-app-switcher__overlay {
    position: fixed;
    z-index: calc(var(--qi-z-overlay) + 1);
    inset: var(--qi-topbar-h, 48px) 0 0;
    display: block;
    border: 0;
    background: rgba(0,0,0,.48);
  }
  .chat-app-switcher__menu,
  .chat-app-switcher[open] .chat-app-switcher__menu {
    position: fixed;
    z-index: calc(var(--qi-z-overlay) + 2);
    top: var(--qi-topbar-h, 48px);
    bottom: 0;
    left: 0;
    display: none;
    width: min(320px, 86vw);
    overflow-y: auto;
    align-content: start;
    border: 1px solid var(--qi-glass-border);
    border-radius: 0 var(--qi-radius-lg) 0 0;
    background: var(--qi-bg-elevated);
    box-shadow: 12px 0 34px rgba(0,0,0,.4);
  }
  .chat-app-switcher[open] .chat-app-switcher__menu { display: grid; }
  .chat-account-menu__panel {
    position: fixed;
    z-index: calc(var(--qi-z-overlay) + 2);
    top: calc(var(--qi-topbar-h, 48px) + 8px);
    right: 8px;
    width: min(260px, calc(100vw - 16px));
    max-height: calc(100dvh - var(--qi-topbar-h, 48px) - 16px);
    overflow-y: auto;
  }
}

@media (max-width: 30rem) {
  .chat-topbar { gap: var(--qi-space-xs); padding-right: var(--qi-space-sm); padding-left: var(--qi-space-sm); }
  .chat-topbar .qi-tenant-btn { max-width: 20vw; padding-right: var(--qi-space-xs); padding-left: var(--qi-space-xs); }
  .chat-history-toggle.qi-topbar__messenger-toggle {
    flex-basis: 36px;
    width: 36px;
    min-width: 36px;
    height: 36px;
  }
  .chat-app-switcher__brand { font-size: 13px; }
  .chat-app-switcher__current { font-size: 11px; }
  .chat-app-switcher__menu { width: min(240px, calc(100vw - 16px)); }
  .chat-environment-badge { padding: 4px 6px; font-size: 9px; }
  .chat-main { padding-right: 10px; padding-left: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; }
}

@keyframes chat-drawer-enter {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes chat-scrim-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}