:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --panel: #ffffff;
  --text: #171717;
  --muted: #6b7280;
  --border: #e5e7eb;
  --field: #ffffff;
  --field-focus: #ffffff;
  --accent: #171717;
  --accent-hover: #000000;
  --accent-text: #ffffff;
  --alert-bg: #fff1f2;
  --alert-border: #fecdd3;
  --alert-text: #9f1239;
  --message-user: #171717;
  --message-user-text: #ffffff;
  --message-assistant: #ffffff;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1011;
  --panel: #151617;
  --text: #f4f4f5;
  --muted: #9ca3af;
  --border: #27272a;
  --field: #111214;
  --field-focus: #151617;
  --accent: #f4f4f5;
  --accent-hover: #ffffff;
  --accent-text: #111214;
  --alert-bg: #2a1116;
  --alert-border: #71313c;
  --alert-text: #fecdd3;
  --message-user: #f4f4f5;
  --message-user-text: #111214;
  --message-assistant: #151617;
  --shadow: none;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

button,
input,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel,
.home-panel {
  width: min(100%, 420px);
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.home-panel {
  width: min(100%, 720px);
}

.panel-heading,
.chat-start-heading,
.chat-room-topbar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(1.45rem, 2vw, 1.9rem);
  font-weight: 700;
  line-height: 1.15;
}

.theme-toggle,
.icon-button,
.login-button {
  border: 0;
  cursor: pointer;
}

.theme-toggle {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
}

.theme-toggle .bi {
  font-size: 1rem;
  line-height: 1;
}

:root[data-theme="dark"] .theme-icon-light,
:root[data-theme="light"] .theme-icon-dark {
  display: none;
}

.form-alert {
  margin: 0 0 16px;
  padding: 10px 12px;
  border: 1px solid var(--alert-border);
  border-radius: 8px;
  background: var(--alert-bg);
  color: var(--alert-text);
  font-weight: 600;
}

.hidden {
  display: none !important;
}

.login-form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
}

.field input {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--field);
  color: var(--text);
  outline: none;
}

.field input:focus,
.chat-composer textarea:focus {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: var(--field-focus);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 10%, transparent);
}

.password-control {
  position: relative;
  display: block;
}

.password-control input {
  padding-right: 44px;
}

.icon-button {
  position: absolute;
  top: 50%;
  right: 5px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  transform: translateY(-50%);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
}

.icon-button:hover,
.icon-button:focus-visible,
.theme-toggle:hover,
.theme-toggle:focus-visible {
  color: var(--text);
  outline: 2px solid color-mix(in srgb, var(--accent) 22%, transparent);
  outline-offset: 2px;
}

.icon-button .bi {
  font-size: 1.05rem;
  line-height: 1;
}

.remember {
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-weight: 650;
  white-space: nowrap;
}

.remember input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.login-button,
.send-button {
  background: var(--accent);
  color: var(--accent-text);
}

.login-button {
  width: 100%;
  min-width: 0;
  height: 42px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.login-button:hover,
.login-button:focus-visible,
.send-button:hover,
.send-button:focus-visible {
  background: var(--accent-hover);
  outline: 2px solid color-mix(in srgb, var(--accent) 18%, transparent);
  outline-offset: 2px;
}

.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;
}

.chat-body {
  min-height: 100vh;
  display: grid;
  grid-template-rows: 58px 1fr;
  background: var(--bg);
}

.app-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 58px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  backdrop-filter: blur(10px);
}

.app-nav-inner {
  width: min(100%, 1120px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 20px;
}

.nav-brand,
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-brand {
  color: var(--text);
  font-weight: 700;
}

.nav-link,
.secondary-button {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  padding: 0 12px;
  font-weight: 650;
  gap: 7px;
}

.nav-link:hover,
.nav-link:focus-visible,
.secondary-button:hover,
.secondary-button:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
  outline: 2px solid color-mix(in srgb, var(--accent) 10%, transparent);
  outline-offset: 2px;
}

.nav-chat-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  background: var(--panel);
}

.nav-chat-icon .bi,
.send-button .bi {
  font-size: 1rem;
  line-height: 1;
}

.chat-home-shell,
.chat-room-shell {
  width: 100%;
  min-height: calc(100vh - 58px);
  display: grid;
  place-items: center;
  padding: 24px;
}

.chat-start {
  width: min(100%, 760px);
}

.chat-composer {
  display: grid;
  width: 100%;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.chat-composer-large {
  grid-template-columns: 1fr;
}

.tenant-alert {
  margin-top: 12px;
}

.chat-composer textarea {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  max-height: 220px;
  resize: vertical;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--field);
  color: var(--text);
  outline: none;
}

.chat-composer .form-alert {
  grid-column: 1 / -1;
  margin: 0;
}

.composer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.send-button,
.secondary-button {
  border-radius: 8px;
  cursor: pointer;
}

.send-button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 0;
}

.send-button:disabled,
.secondary-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.typing-dots {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
}

.typing-dots span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  animation: typing-dot 900ms ease-in-out infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 120ms; }
.typing-dots span:nth-child(3) { animation-delay: 240ms; }

.message-pending {
  min-width: 56px;
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes typing-dot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.35; }
  30% { transform: translateY(-3px); opacity: 1; }
}

.chat-history {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 10px;
  color: var(--muted);
}

.history-header h2 {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
}

.history-list {
  display: grid;
  gap: 8px;
}

.history-link {
  display: block;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--field);
}

.history-link:hover {
  border-color: color-mix(in srgb, var(--accent) 25%, var(--border));
}

.history-link strong {
  display: block;
  margin-bottom: 3px;
}

.history-link span {
  color: var(--muted);
  font-size: 0.86rem;
}

.chat-room {
  width: min(100%, 860px);
  height: min(760px, calc(100vh - 104px));
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto 1fr auto;
}

.message-list {
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  padding: 14px 2px 18px;
}

.message {
  max-width: min(72%, 620px);
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  line-height: 1.5;
}

.message p {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.message-content { overflow-wrap: anywhere; }
.message-user .message-content { white-space: pre-wrap; }
.message-assistant .message-content > :first-child { margin-top: 0; }
.message-assistant .message-content > :last-child { margin-bottom: 0; }
.message-document-status { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 0.82rem; }

.message-user {
  align-self: flex-end;
  border-color: transparent;
  background: var(--message-user);
  color: var(--message-user-text);
}

.message-assistant {
  align-self: flex-start;
  background: var(--message-assistant);
  color: var(--text);
}

@media (max-width: 620px) {
  .auth-shell {
    padding: 16px;
  }

  .login-panel,
  .home-panel {
    padding: 20px;
  }

  .chat-body {
    grid-template-rows: 56px 1fr;
  }

  .app-nav {
    height: 56px;
  }

  .app-nav-inner {
    padding: 0 14px;
  }

  .chat-home-shell,
  .chat-room-shell {
    min-height: calc(100vh - 56px);
    padding: 16px;
  }

  .chat-start-heading,
  .chat-room-topbar,
  .composer-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .chat-composer {
    grid-template-columns: 1fr;
  }

  .send-button,
  .secondary-button {
    width: 100%;
  }

  .message {
    max-width: 92%;
  }
}

/* Application shell */
.chat-body {
  display: block;
}

.app-navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  height: 58px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  backdrop-filter: blur(10px);
}

.navbar-actions,
.app-nav-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-actions {
  justify-content: flex-end;
}

.navbar-icon-button,
.navbar-action,
.app-nav-item {
  border: 0;
  background: transparent;
  color: var(--muted);
}

.navbar-icon-button {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.2rem;
}

.navbar-action {
  min-height: 36px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: 8px;
  padding: 0 10px;
  font-weight: 650;
}

.app-nav-item {
  min-width: 48px;
  height: 52px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  border-bottom: 2px solid transparent;
  font-size: 0.7rem;
  font-weight: 650;
}

.app-nav-item .bi {
  font-size: 1.05rem;
}

.app-nav-item.active {
  border-bottom-color: var(--text);
  color: var(--text);
}

.navbar-icon-button:hover,
.navbar-action:hover {
  background: color-mix(in srgb, var(--text) 6%, transparent);
  color: var(--text);
}

.app-shell {
  min-height: calc(100vh - 58px);
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  transition: grid-template-columns 180ms ease;
}

.app-workspace {
  min-width: 0;
  height: calc(100vh - 58px);
  min-height: calc(100vh - 58px);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  overflow: hidden;
}

.app-chat-dock {
  position: sticky;
  z-index: 20;
  bottom: 0;
  padding: 10px clamp(16px, 4vw, 48px) 14px;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.app-chat-dock .chat-composer {
  width: min(100%, 1040px);
  margin: 0 auto;
  box-shadow: none;
}

.app-chat-dock textarea {
  min-height: 44px;
  max-height: 120px;
}

[data-app-content] {
  transition: opacity 120ms ease;
}

.app-workspace > [data-app-content] {
  min-height: 0;
  overflow-y: auto;
  padding-bottom: calc(32px + env(safe-area-inset-bottom));
}

.app-is-loading [data-app-content] {
  opacity: 0.5;
  pointer-events: none;
}

.app-workspace > .chat-home-shell {
  min-height: 0;
}

.people-table td:first-child small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

.people-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.people-form-grid > div {
  min-width: 0;
  display: grid;
  gap: 7px;
}

.people-form-wide {
  grid-column: 1 / -1;
}

.people-form select,
.people-form input,
.people-form textarea {
  width: 100%;
}

@media (max-width: 700px) {
  .people-form-grid {
    grid-template-columns: 1fr;
  }

  .people-form-wide {
    grid-column: auto;
  }
}

.document-workbench {
  min-height: calc(100vh - 58px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: stretch;
  padding: 0;
  background: var(--panel);
}

.document-workbench.document-open {
  grid-template-columns: minmax(320px, 36%) minmax(520px, 64%);
}

.document-workbench .chat-room {
  width: 100%;
  min-width: 0;
  height: calc(100vh - 58px);
  border-right: 1px solid var(--border);
  background: var(--bg);
}

.workbench-mobile-tabs { display: none; }

.message-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.message-action {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.75rem;
}

.message-action:hover {
  color: var(--text);
  background: var(--field);
}

.chat-document-editor {
  min-width: 0;
  height: calc(100vh - 58px);
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  background: var(--panel);
}

.chat-document-editor > header {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
}

.chat-document-editor > header > div:first-child {
  display: grid;
  gap: 2px;
}

.chat-document-editor > header .eyebrow,
.chat-document-panel .eyebrow {
  margin: 0;
}

.chat-document-editor > header span {
  color: var(--muted);
  font-size: 0.76rem;
}

.document-editor-actions {
  display: flex;
  gap: 4px;
}

.document-title-input {
  width: 100%;
  padding: 0 0 18px;
  border: 0;
  background: transparent;
  color: #171717;
  font-size: 1.35rem;
  font-weight: 700;
  outline: none;
}

.document-content-editor {
  width: 100%;
  min-height: 760px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #202020;
  font: 12pt/1.65 Georgia, "Times New Roman", serif;
  outline: none;
}

.document-content-editor:empty::before {
  content: attr(data-placeholder);
  color: #8a8a8a;
}

.document-content-editor p { margin: 0 0 0.9em; }
.document-content-editor h1,
.document-content-editor h2,
.document-content-editor h3,
.document-content-editor h4 { color: #171717; letter-spacing: 0; }
.document-content-editor table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.document-content-editor th,
.document-content-editor td { padding: 8px; border: 1px solid #b8b8b8; }

.document-format-toolbar {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px 14px;
  overflow-x: auto;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.document-format-toolbar button {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.document-format-toolbar button:hover { background: var(--field); color: var(--text); }
.document-format-toolbar > span { width: 1px; height: 18px; margin: 0 5px; background: var(--border); }

.document-page-scroll {
  min-height: 0;
  overflow: auto;
  padding: 28px clamp(18px, 4vw, 58px) 48px;
  background: #e7e7e7;
}

[data-theme="dark"] .document-page-scroll { background: #1b1b1b; }

.document-page {
  width: min(100%, 850px);
  min-height: 1100px;
  margin: 0 auto;
  padding: clamp(44px, 7vw, 84px);
  background: #fff;
  border: 1px solid #d5d5d5;
  box-shadow: 0 3px 16px rgb(0 0 0 / 9%);
}

.document-snapshots {
  max-height: 220px;
  overflow-y: auto;
  padding: 8px;
  border-top: 1px solid var(--border);
  background: var(--panel);
}

.document-snapshots button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.document-snapshots button:hover { background: var(--field); }
.document-snapshots span { color: var(--muted); font-size: 0.72rem; }

.chat-document-panel {
  min-width: 0;
  height: calc(100vh - 58px);
  overflow: hidden;
  background: var(--panel);
}

.chat-document-panel > header {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

.chat-document-panel h2 { margin: 3px 0 0; font-size: 1rem; }
.chat-document-list { height: calc(100% - 66px); overflow-y: auto; padding: 8px; }

.chat-document-item {
  width: 100%;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 10px 8px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-align: left;
}

.chat-document-item:hover,
.chat-document-item.active { background: var(--field); color: var(--text); }
.chat-document-item span { min-width: 0; display: grid; gap: 3px; }
.chat-document-item strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-document-item small { color: var(--muted); }

.document-panel-empty {
  display: grid;
  justify-items: center;
  gap: 8px;
  padding: 32px 12px;
  color: var(--muted);
  text-align: center;
}

.person-selector { position: relative; }
.person-menu { width: min(520px, calc(100vw - 32px)); max-height: 430px; overflow-y: auto; }
.person-option { display: grid; grid-template-columns: minmax(150px, 1fr) 130px; gap: 8px; padding: 9px; border-bottom: 1px solid var(--border); }
.person-option label { display: flex; align-items: center; gap: 8px; }
.person-option label span { min-width: 0; display: grid; }
.person-option small { color: var(--muted); }
.person-option select,
.person-option > input { min-height: 34px; border: 1px solid var(--border); border-radius: 6px; background: var(--field); color: var(--text); padding: 0 8px; }
.person-option > input { grid-column: 1 / -1; }
.person-menu-actions { position: sticky; bottom: 0; display: flex; justify-content: flex-end; gap: 8px; padding: 10px; background: var(--panel); }

@media (max-width: 1100px) {
  .document-workbench.document-open { grid-template-columns: minmax(300px, 40%) minmax(440px, 60%); }
}

@media (max-width: 1024px) {
  .document-workbench,
  .document-workbench.document-open { display: block; min-height: calc(100vh - 58px); }
  .workbench-mobile-tabs {
    height: 44px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 5px;
    border-bottom: 1px solid var(--border);
    background: var(--panel);
  }
  .workbench-mobile-tabs button { border: 0; border-radius: 5px; background: transparent; color: var(--muted); }
  .workbench-mobile-tabs button.active { background: var(--field); color: var(--text); }
  .document-workbench .chat-room,
  .chat-document-editor { height: calc(100vh - 102px); }
  .document-open[data-mobile-view="document"] .chat-room { display: none; }
  .document-open[data-mobile-view="chat"] .chat-document-editor { display: none; }
  .document-page-scroll { padding: 12px; }
  .document-page { min-height: calc(100vh - 190px); padding: 34px 24px; }
  .person-option { grid-template-columns: 1fr; }
  .person-option > input { grid-column: auto; }
}

.sidebar-pinned .app-shell {
  grid-template-columns: 232px minmax(0, 1fr);
}

.app-sidebar {
  position: sticky;
  top: 58px;
  z-index: 30;
  width: 64px;
  height: calc(100vh - 58px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--border);
  background: var(--panel);
  transition: width 180ms ease;
}

.app-sidebar:hover,
.sidebar-pinned .app-sidebar {
  width: 232px;
}

.sidebar-brand,
.app-sidebar-nav a,
.sidebar-tenant {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  padding: 0 16px;
  white-space: nowrap;
}

.sidebar-brand {
  min-height: 58px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-weight: 700;
}

.sidebar-brand-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--field);
}

.app-sidebar-nav {
  display: grid;
  gap: 4px;
  padding: 12px 0;
}

.app-sidebar-nav a:hover {
  background: color-mix(in srgb, var(--text) 5%, transparent);
  color: var(--text);
}

.app-sidebar-nav .bi,
.sidebar-tenant > .bi {
  width: 32px;
  flex: 0 0 32px;
  display: inline-flex;
  justify-content: center;
  font-size: 1rem;
}

.sidebar-label {
  opacity: 0;
  transition: opacity 100ms ease;
}

.app-sidebar:hover .sidebar-label,
.sidebar-pinned .sidebar-label {
  opacity: 1;
}

.sidebar-tenant {
  min-height: 64px;
  margin-top: auto;
  border-top: 1px solid var(--border);
}

.sidebar-tenant .sidebar-label {
  min-width: 0;
  display: grid;
}

.sidebar-tenant small {
  color: var(--muted);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.sidebar-tenant strong {
  max-width: 150px;
  overflow: hidden;
  color: var(--text);
  font-size: 0.84rem;
  text-overflow: ellipsis;
}

.sidebar-overlay {
  display: none;
}

.app-shell .chat-home-shell,
.app-shell .chat-room-shell {
  min-width: 0;
}

.secondary-button {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 0 12px;
  font-weight: 650;
}

.send-button .bi {
  font-size: 1rem;
  line-height: 1;
}

@media (max-width: 620px) {
  .app-navbar {
    height: 56px;
    grid-template-columns: auto 1fr auto;
    padding: 0 10px;
  }

  .navbar-action span {
    display: none;
  }

  .app-nav-tabs {
    justify-content: center;
  }

  .app-shell,
  .sidebar-pinned .app-shell {
    display: block;
  }

  .app-sidebar,
  .app-sidebar:hover,
  .sidebar-pinned .app-sidebar {
    position: fixed;
    top: 56px;
    left: 0;
    width: min(82vw, 280px);
    height: calc(100vh - 56px);
    transform: translateX(-100%);
    transition: transform 180ms ease;
  }

  .sidebar-mobile-open .app-sidebar {
    transform: translateX(0);
  }

  .app-sidebar .sidebar-label {
    opacity: 1;
  }

  .sidebar-overlay {
    position: fixed;
    inset: 56px 0 0;
    z-index: 20;
    display: block;
    border: 0;
    background: rgba(0, 0, 0, 0.38);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
  }

  .sidebar-mobile-open .sidebar-overlay {
    opacity: 1;
    pointer-events: auto;
  }
}

.composer-secondary-actions,
.prompt-row-actions,
.prompt-form-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.prompt-selector {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.prompt-menu {
  position: absolute;
  z-index: 30;
  left: 0;
  bottom: calc(100% + 8px);
  width: min(320px, calc(100vw - 32px));
  max-height: 280px;
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
}

.chat-room-topbar .prompt-menu {
  top: calc(100% + 8px);
  bottom: auto;
}

.prompt-menu button {
  display: grid;
  width: 100%;
  gap: 3px;
  padding: 10px;
  border: 0;
  border-radius: 6px;
  color: var(--text);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.prompt-menu button:hover { background: var(--field-focus); }
.prompt-menu button span,
.prompt-menu p { color: var(--muted); font-size: 12px; }
.prompt-menu p { margin: 8px; }

.prompt-chip {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  max-width: 220px;
  padding: 5px 5px 5px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
}

.prompt-chip > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.prompt-chip button { border: 0; color: inherit; background: transparent; cursor: pointer; font-size: 18px; }

.prompt-page {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 36px 32px;
}

.prompt-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.prompt-page-header h1 { margin: 4px 0 0; font-size: 28px; letter-spacing: 0; }
.primary-action { display: inline-flex; align-items: center; gap: 8px; padding: 9px 13px; border: 0; border-radius: 6px; background: var(--accent); color: var(--accent-text); text-decoration: none; cursor: pointer; }
.prompt-table-wrap { overflow-x: auto; border-top: 1px solid var(--border); }
.prompt-table { width: 100%; border-collapse: collapse; text-align: left; }
.prompt-table th, .prompt-table td { padding: 14px 12px; border-bottom: 1px solid var(--border); }
.prompt-table th { color: var(--muted); font-size: 12px; font-weight: 500; }
.prompt-table td { font-size: 14px; }
.prompt-row-actions { justify-content: flex-end; }
.prompt-row-actions form { margin: 0; }
.icon-action { display: inline-grid; width: 32px; height: 32px; place-items: center; border: 0; border-radius: 6px; color: var(--muted); background: transparent; cursor: pointer; text-decoration: none; }
.icon-action:hover { color: var(--text); background: var(--field-focus); }
.empty-table { color: var(--muted); text-align: center; }
.prompt-form-page { max-width: 820px; }
.prompt-form { display: grid; gap: 10px; }
.prompt-form label { font-size: 13px; font-weight: 600; }
.prompt-form input, .prompt-form textarea { width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 6px; color: var(--text); background: var(--panel); font: inherit; resize: vertical; }
.prompt-content-label { display: flex; justify-content: space-between; gap: 16px; margin-top: 10px; }
.prompt-content-label span { color: var(--muted); font-size: 12px; }
.prompt-form-actions { justify-content: flex-end; margin-top: 10px; }
.errorlist { margin: 0; padding: 0; color: var(--danger-color, #b42318); font-size: 13px; list-style: none; }

@media (max-width: 700px) {
  .prompt-page { padding: 24px 16px; }
  .prompt-page-header { align-items: flex-start; }
  .composer-secondary-actions { flex-wrap: wrap; }
  .prompt-selector { flex-wrap: wrap; }
}

/* Compact workspace inspired by the supplied reference. */
.chat-home-shell {
  place-items: stretch center;
  padding: 28px 24px 18px;
}

.chat-home-shell .chat-start {
  width: min(100%, 980px);
  min-height: calc(100vh - 104px);
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.chat-home-shell .chat-welcome {
  padding-top: 4px;
}

.chat-home-shell .chat-welcome h1 {
  font-size: 1.85rem;
}

.chat-home-shell .chat-context {
  width: min(100%, 650px);
  margin: 0 auto;
  padding: 0;
  overflow: visible;
  background: color-mix(in srgb, var(--panel) 88%, var(--bg));
}

.chat-home-shell .chat-context-heading {
  min-height: 44px;
  margin: 0;
  padding: 0 14px;
  border-bottom: 1px solid var(--border);
}

.context-indicator {
  width: 5px;
  height: 5px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #ef4444;
}

.chat-home-shell .context-options {
  display: block;
  padding: 6px 12px 8px;
}

.chat-home-shell .context-option,
.chat-home-shell .context-document-option,
.chat-home-shell .context-prompt-option {
  width: 100%;
  min-height: 54px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 7px 6px;
  border: 0;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
}

.chat-home-shell .context-prompt-option {
  border-bottom: 0;
}

.context-document-option,
.document-selector {
  position: relative;
}

.document-selector {
  min-width: 0;
}

.context-document-option .document-selector > .secondary-button {
  min-width: 104px;
  min-height: 30px;
  padding: 0 10px;
  font-size: 0.75rem;
}

.document-menu {
  top: calc(100% + 8px);
  right: 0;
  bottom: auto;
  left: auto;
}

.document-menu button {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 9px;
}

.document-menu button > span {
  display: grid;
  gap: 2px;
}

.document-menu button.selected {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 7%, transparent);
}

.document-library-link {
  min-height: 36px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  padding: 0 10px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.78rem;
}

.context-option-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  color: #f8fafc;
}

.context-option-icon-documents { background: #315987; }
.context-option-icon-models { background: #5b3d78; }
.context-option-icon-prompts { background: #17614c; }

.chat-home-shell .context-option:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.chat-home-shell a.context-option:hover {
  background: color-mix(in srgb, var(--text) 4%, transparent);
}

.context-action {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  background: var(--panel);
  font-size: 0.75rem;
  font-weight: 650;
}

.chat-home-shell .context-prompt-option .prompt-selector {
  width: auto;
  flex-wrap: nowrap;
}

.chat-home-shell .context-prompt-option .prompt-selector > .secondary-button {
  width: auto;
  min-width: 104px;
  min-height: 30px;
  padding: 0 10px;
  font-size: 0.75rem;
}

.chat-home-shell .context-prompt-option .prompt-chip {
  display: none;
}

.chat-home-shell .chat-composer {
  width: 100%;
  margin-top: auto;
  padding: 14px;
  border-color: color-mix(in srgb, var(--border) 80%, var(--text));
  border-radius: 8px;
}

.chat-home-shell .chat-composer textarea {
  min-height: 74px;
  border: 0;
  background: transparent;
}

.composer-status {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 9px;
}

.composer-selected-prompt {
  min-width: 0;
  max-width: 260px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 5px 4px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  background: var(--field);
  font-size: 0.76rem;
}

.composer-selected-prompt > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer-selected-prompt button {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 0;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}

@media (max-width: 700px) {
  .chat-home-shell {
    padding: 20px 14px 14px;
  }

  .chat-home-shell .chat-start {
    min-height: calc(100vh - 90px);
  }

  .chat-home-shell .context-option,
  .chat-home-shell .context-document-option,
  .chat-home-shell .context-prompt-option {
    grid-template-columns: 32px minmax(0, 1fr) auto;
  }

  .composer-status {
    flex-wrap: wrap;
  }

  .composer-selected-prompt {
    max-width: 100%;
  }
}

.chat-start {
  display: grid;
  gap: 26px;
}

.chat-welcome {
  text-align: center;
}

.chat-welcome h1 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: 0;
}

.chat-welcome p {
  margin: 8px 0 0;
  color: var(--muted);
}

.chat-context {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}

.chat-context-heading {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 16px;
}

.chat-context-heading > .bi {
  font-size: 1.15rem;
}

.chat-context h2,
.chat-context p {
  margin: 0;
}

.chat-context h2 {
  font-size: 0.95rem;
  letter-spacing: 0;
}

.chat-context p,
.context-option small,
.context-prompt-option small,
.composer-hint {
  color: var(--muted);
  font-size: 0.78rem;
}

.context-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.context-option,
.context-prompt-option {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  background: var(--field);
  text-align: left;
}

.context-option > .bi,
.context-prompt-option > .bi {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 1.05rem;
}

.context-option span,
.context-prompt-option > div:not(.prompt-selector) {
  min-width: 0;
  display: grid;
}

.context-option:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

.context-prompt-option {
  position: relative;
  flex-wrap: wrap;
}

.context-prompt-option .prompt-selector {
  width: 100%;
}

.context-prompt-option .prompt-selector > .secondary-button {
  width: 100%;
}

.chat-context .prompt-menu {
  top: calc(100% + 8px);
  right: 0;
  bottom: auto;
  left: auto;
}

.composer-hint {
  padding-left: 4px;
}

.history-page {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 36px 32px;
}

.history-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.history-page-header h1 {
  margin: 4px 0 0;
  font-size: 28px;
  letter-spacing: 0;
}

.history-page-list {
  border-top: 1px solid var(--border);
}

.history-page-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 14px;
  min-height: 70px;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
}

.history-page-item:hover {
  background: color-mix(in srgb, var(--text) 4%, transparent);
}

.history-page-item > .bi:first-child {
  color: var(--muted);
  font-size: 1rem;
}

.history-page-item span {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.history-page-item small {
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-page-item time {
  color: var(--muted);
  font-size: 0.78rem;
}

.history-empty {
  display: grid;
  place-items: center;
  gap: 8px;
  padding: 64px 16px;
  color: var(--muted);
}

.history-empty p {
  margin: 0;
}

@media (max-width: 700px) {
  .chat-welcome h1 {
    font-size: 1.7rem;
  }

  .context-options {
    grid-template-columns: 1fr;
  }

  .history-page {
    padding: 24px 16px;
  }

  .history-page-item {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .history-page-item time {
    display: none;
  }

  .composer-hint {
    display: none;
  }
}