@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=Noto+Serif+SC:wght@400;500;600&family=Inter:wght@400;500;600&family=Fira+Code:wght@400;500&family=ZCOOL+KuaiLe&display=swap');

:root {
  color-scheme: light;
  --bg: #f7f3eb;
  --paper: rgba(255,253,248,.72);
  --paper-strong: rgba(255,253,248,.92);
  --paper-soft: rgba(255,255,255,.48);
  --ink: #29241f;
  --ink-2: #6f665d;
  --muted: #968b80;
  --line: rgba(54, 46, 38, .14);
  --line-soft: rgba(54, 46, 38, .08);
  --codex: #6f8fa7;
  --codex-dim: rgba(111,143,167,.13);
  --claude: #b97a63;
  --claude-dim: rgba(185,122,99,.14);
  --deepseek: #8d82a8;
  --deepseek-dim: rgba(141,130,168,.13);
  --gemini: #408b7b;
  --gemini-dim: rgba(64,139,123,.13);
  --user: #776b61;
  --user-dim: rgba(92,80,68,.10);
  --summary: #9b8570;
  --summary-dim: rgba(155,133,112,.12);
  --danger: #b85e5e;
  --danger-dim: rgba(184,94,94,.10);
  --radius: 22px;
  --shadow: 0 22px 70px rgba(67, 52, 35, .10);
  --shadow-soft: 0 10px 36px rgba(67, 52, 35, .07);
}

*,
*::before,
*::after { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  min-height: 100%;
  overflow: hidden;
  font-family: Inter, "Noto Serif SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 12%, rgba(255,255,255,.88), transparent 28%),
    radial-gradient(circle at 87% 18%, rgba(184,205,217,.22), transparent 32%),
    radial-gradient(circle at 78% 92%, rgba(191,141,118,.12), transparent 30%),
    linear-gradient(135deg,#fbf8f1,#efe7da 56%,#f8f5ef);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .62;
  background-image:
    linear-gradient(rgba(70,60,50,.027) 1px, transparent 1px),
    linear-gradient(90deg, rgba(70,60,50,.022) 1px, transparent 1px);
  background-size: 42px 42px;
}

button, input, textarea { font: inherit; }

button, .button {
  border: 1px solid var(--line);
  background: var(--paper-soft);
  color: var(--ink-2);
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  transition: transform .12s ease, background .12s ease, color .12s ease, border-color .12s ease;
}

button:hover, .button:hover {
  background: rgba(255,255,255,.72);
  color: var(--ink);
  transform: translateY(-1px);
}

.app-shell {
  position: relative;
  z-index: 1;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  padding: 22px;
  display: grid;
  grid-template-columns: 74px 245px minmax(0, 1fr);
  gap: 16px;
  overflow: hidden;
}

.rail {
  height: calc(100vh - 44px);
  height: calc(100dvh - 44px);
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,253,248,.50);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 10px;
  gap: 10px;
}

.rail-logo {
  width: 44px;
  height: 44px;
  color: rgba(41,36,31,.72);
  display: grid;
  place-items: center;
  margin-bottom: 14px;
}

.rail-logo svg {
  width: 44px;
  height: 44px;
}

.rail-btn {
  width: 48px;
  min-height: 48px;
  border-radius: 18px;
  border-color: transparent;
  background: transparent;
  display: grid;
  place-items: center;
  gap: 1px;
  color: var(--muted);
  padding: 4px 0;
}

.rail-btn span { font-size: 18px; line-height: 1; }
.rail-btn small { font-size: 9px; line-height: 1; }

.rail-btn.active {
  background: rgba(255,255,255,.72);
  border-color: var(--line);
  color: var(--ink);
  box-shadow: 0 8px 20px rgba(67,52,35,.06);
}

.rail-spacer { flex: 1; }

.side-panel {
  height: calc(100vh - 44px);
  height: calc(100dvh - 44px);
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,253,248,.58);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.side-head {
  padding: 22px 20px 16px;
  border-bottom: 1px solid var(--line-soft);
}

.side-head h1 {
  margin: 0;
  font-family: "Playfair Display", "Noto Serif SC", serif;
  font-size: 28px;
  line-height: 1;
  letter-spacing: .01em;
}

.side-head p {
  margin: 8px 0 14px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.topics-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 0 12px;
  font-size: 12px;
}

.side-section {
  padding: 8px 10px 4px;
}

.section-label {
  padding: 12px 10px 8px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.room-item {
  width: 100%;
  min-height: 58px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  text-align: left;
  border: 0;
  border-radius: 18px;
  background: transparent;
  padding: 9px 10px;
}

.room-item.active,
.room-item:hover {
  background: rgba(255,255,255,.62);
  transform: none;
}

.room-index {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .1em;
}

.codex-ink { color: var(--codex); }
.claude-ink { color: var(--claude); }

.room-item strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.room-item small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.room-item i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
}

.room-item.active i { background: var(--codex); }

.new-draft {
  width: calc(100% - 20px);
  margin: 4px 10px 10px;
  border-style: dashed;
  background: rgba(255,255,255,.30);
  border-radius: 18px;
  padding: 12px;
  color: var(--muted);
  font-size: 13px;
}

/* Message search */
.msg-search-section { padding: 0 10px 4px; }

.msg-search-wrap { position: relative; }

.msg-search-input {
  width: 100%;
  height: 34px;
  padding: 0 12px 0 32px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: rgba(255,255,255,.55);
  font-size: 12.5px;
  color: var(--ink);
  box-sizing: border-box;
  outline: none;
  transition: border-color .15s, background .15s;
}
.msg-search-input:focus {
  border-color: var(--codex);
  background: rgba(255,255,255,.88);
}
.msg-search-input::placeholder { color: var(--muted); }
.msg-search-wrap::before {
  content: "⌕";
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: var(--muted);
  pointer-events: none;
}

.msg-search-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 6px;
  margin-top: 6px;
}

.memory-scope-select,
.memory-project-input {
  width: 100%;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,.58);
  color: var(--ink-2);
  font-size: 11px;
  padding: 0 8px;
  outline: none;
}

.memory-scope-select:focus,
.memory-project-input:focus {
  border-color: var(--codex);
  background: rgba(255,255,255,.88);
}

.memory-project-input[hidden] {
  display: none;
}

.msg-search-controls:has(.memory-project-input[hidden]) {
  grid-template-columns: minmax(0, 1fr);
}

.msg-search-results {
  margin-top: 6px;
  max-height: 360px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.msg-search-empty {
  padding: 10px 4px;
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

.msg-search-result {
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255,255,255,.70);
  border: 1px solid var(--line-soft);
  cursor: pointer;
  transition: background .12s;
}
.msg-search-result:hover { background: rgba(255,255,255,.92); }

.msg-search-result-meta {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 7px;
}

.msg-search-msg {
  display: flex;
  gap: 6px;
  padding: 2px 0;
  font-size: 12px;
  line-height: 1.45;
  opacity: .65;
}
.msg-search-msg.match { opacity: 1; }

.msg-search-speaker {
  flex-shrink: 0;
  font-weight: 600;
  font-size: 10.5px;
  color: var(--muted);
  white-space: nowrap;
  padding-top: 1px;
}
.msg-search-msg.match .msg-search-speaker { color: var(--ink); }

.msg-search-text {
  color: var(--ink);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.msg-search-msg:not(.match) .msg-search-text { color: var(--muted); }

.msg-search-summary-text {
  font-size: 12px;
  line-height: 1.55;
  color: var(--ink);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}

.msg-search-summary-detail {
  margin-top: 5px;
  padding-left: 8px;
  border-left: 2px solid var(--line);
  font-size: 11px;
  line-height: 1.45;
  color: var(--ink-2);
}

.msg-search-result mark {
  background: rgba(var(--codex-rgb, 107,138,168), .22);
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}

.main-card {
  min-width: 0;
  height: calc(100vh - 44px);
  height: calc(100dvh - 44px);
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: rgba(255,253,248,.54);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: var(--shadow);
  display: none;
  position: relative;
  overflow: hidden;
}

.main-card.active {
  display: grid;
}

.otherworld-panel.active {
  display: block;
}

.otherworld-panel::before {
  display: none;
}

.otherworld-frame {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: #f7f3eb;
}

.main-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 83% 10%, rgba(135,159,181,.13), transparent 26%),
    linear-gradient(180deg, rgba(255,255,255,.24), transparent 42%);
  pointer-events: none;
}

.view-panel[data-panel="chat"] {
  grid-template-rows: 56px auto auto minmax(0, 1fr) auto auto;
}

.view-panel[data-panel="chat"] .room-bar {
  grid-row: 1;
}

.view-panel[data-panel="chat"] .error {
  grid-row: 2;
}

.view-panel[data-panel="chat"] .runtime-status {
  grid-row: 3;
}

.view-panel[data-panel="chat"] .messages {
  grid-row: 4;
}

.view-panel[data-panel="chat"] .approval-panel {
  grid-row: 5;
}

.view-panel[data-panel="chat"] .interject {
  grid-row: 6;
}

.room-bar {
  position: relative;
  z-index: 1;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 0 20px;
}

.room-bar h2 {
  margin: 0;
  font-family: "ZCOOL KuaiLe", "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 400;
  color: var(--ink-2);
}

.room-bar p {
  display: none;
}

.room-actions {
  display: flex;
  align-items: center;
  gap: 7px;
  overflow: auto;
  max-width: 70%;
  padding: 4px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 11px;
  font-size: 12px;
  white-space: nowrap;
}

.mobile-topic-button {
  display: none;
}

.room-actions-toggle {
  display: none;
}

.primary {
  color: var(--codex);
  border-color: rgba(111,143,167,.28);
  background: var(--codex-dim);
}

.btn-codex { color: var(--codex); background: var(--codex-dim); border-color: rgba(111,143,167,.22); }
.btn-claude { color: var(--claude); background: var(--claude-dim); border-color: rgba(185,122,99,.22); }

.error {
  position: relative;
  z-index: 2;
  margin: 12px 20px 0;
}

.approval-panel {
  position: relative;
  z-index: 2;
  margin: 0 20px;
}

.runtime-status {
  position: relative;
  z-index: 2;
  margin: 0 20px;
  padding: 6px 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.runtime-status[hidden] {
  display: none;
}

.runtime-status-head {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.runtime-runs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}


.runtime-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 0 9px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink-2);
  font-size: 12px;
}

.runtime-chip.codex { color: var(--codex); }
.runtime-chip.claude { color: var(--claude); }
.runtime-chip.waiting_approval { color: var(--danger); }
.runtime-chip.failed { color: var(--danger); }
.runtime-chip.completed,
.runtime-chip.interrupted { color: var(--muted); }

.runtime-chip-interrupt {
  margin-left: 4px;
  padding: 1px 7px;
  border: 1px solid currentColor;
  border-radius: 999px;
  background: transparent;
  color: currentColor;
  font-size: 11px;
  line-height: 1.4;
  cursor: pointer;
  opacity: 0.7;
}
.runtime-chip-interrupt:hover { opacity: 1; }
.runtime-chip-interrupt:disabled { opacity: 0.35; cursor: default; }

.fixed-room-icon-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.fixed-room-icon-label {
  color: var(--muted);
  font-size: 12px;
}
.fixed-room-icon-options {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.fixed-room-icon-option {
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.fixed-room-icon-option:hover { background: rgba(111,143,167,.12); }
.fixed-room-icon-option.active {
  border-color: rgba(111,143,167,.6);
  background: rgba(111,143,167,.18);
}

.topic-item.archived { opacity: 0.7; }
.topic-item.archived:hover { opacity: 1; }

.runtime-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 14%, transparent);
}

.error {
  border: 1px solid rgba(184,94,94,.28);
  border-radius: 18px;
  background: var(--danger-dim);
  color: var(--danger);
  padding: 10px 12px;
  font-size: 13px;
}

.approval-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--paper-strong);
  padding: 12px;
  box-shadow: var(--shadow-soft);
}

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

.approval-title { font-weight: 600; }
.approval-badge { font-size: 11px; color: var(--muted); }
.approval-badge.warning { color: var(--danger); }
.approval-detail {
  white-space: pre-wrap;
  margin: 10px 0;
  padding: 10px;
  border-radius: 14px;
  background: rgba(255,255,255,.55);
  color: var(--ink-2);
  font-size: 12px;
  overflow: auto;
}
.approval-allow, .approval-deny { min-height: 32px; padding: 0 12px; }
.approval-allow { color: var(--codex); }
.approval-deny { color: var(--danger); }

.messages {
  position: relative;
  z-index: 1;
  min-height: 0;
  overflow: auto;
  padding: 26px clamp(20px, 4vw, 64px) 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.empty-chat-hint {
  align-self: center;
  margin: auto;
  display: grid;
  gap: 6px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.empty-chat-hint strong {
  color: var(--ink-2);
  font-family: "Noto Serif SC", serif;
  font-size: 17px;
}

.day-divider {
  align-self: center;
  display: inline-flex;
  align-items: center;
  margin: 2px 0;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--line-soft);
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .04em;
}

.message {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  max-width: min(760px, 88%);
  animation: msg-in 240ms cubic-bezier(.2,.6,.3,1);
}

.message.user {
  flex-direction: row-reverse;
  align-self: flex-end;
}

.message.message-focus .bubble {
  border-color: rgba(111,143,167,.58);
  box-shadow: 0 0 0 3px rgba(111,143,167,.14), 0 8px 22px rgba(67,52,35,.045);
}

@keyframes msg-in {
  from { opacity: 0; transform: translateY(10px) scale(.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  font-family: "Fira Code", monospace;
  font-size: 10px;
  font-weight: 500;
  border: 1px solid currentColor;
  background: rgba(255,255,255,.42);
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.message.user .avatar { color: var(--user); }
.message.codex .avatar { color: var(--codex); }
.message.claude .avatar { color: var(--claude); }
.message.deepseek .avatar { color: var(--deepseek); }
.message.gemini .avatar { color: var(--gemini); }
.message.system .avatar { color: var(--summary); }

.bubble {
  min-width: 0;
  border: 1px solid var(--line-soft);
  border-radius: 22px;
  padding: 12px 15px 13px;
  background: rgba(255,255,255,.52);
  box-shadow: 0 8px 22px rgba(67,52,35,.045);
}

.message.codex .bubble { background: var(--codex-dim); }
.message.claude .bubble { background: var(--claude-dim); }
.message.deepseek .bubble { background: var(--deepseek-dim); }
.message.gemini .bubble { background: var(--gemini-dim); }
.message.user .bubble { background: var(--user-dim); }
.message.system .bubble { background: var(--summary-dim); }

.meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 22px;
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 5px;
}

.message.user .meta { flex-direction: row-reverse; }

.name {
  font-weight: 600;
  letter-spacing: .04em;
}

.message.codex .name { color: var(--codex); }
.message.claude .name { color: var(--claude); }
.message.deepseek .name { color: var(--deepseek); }
.message.gemini .name { color: var(--gemini); }
.message.user .name { color: var(--user); }
.message.system .name { color: var(--summary); }

.meta time {
  font-family: "Fira Code", monospace;
  font-size: 10px;
}

.message-actions {
  position: relative;
  display: inline-flex;
  align-items: center;
}

button.message-menu-button {
  appearance: none;
  width: 22px;
  height: 18px;
  border: 0 !important;
  border-radius: 10px;
  padding: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: transparent !important;
  box-shadow: none;
  font-family: "Fira Code", monospace;
  font-size: 13px;
  line-height: 1;
  opacity: 0;
  transform: none !important;
  transition: opacity .15s ease, color .15s ease;
}

.message:hover .message-menu-button,
.message-menu-button:focus-visible,
.message-menu-button[aria-expanded="true"] {
  opacity: .72;
}

.message-menu-button:hover,
.message-menu-button[aria-expanded="true"] {
  color: var(--ink-2);
  background: transparent !important;
}

.message-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  z-index: 20;
  min-width: 72px;
  padding: 5px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(80, 65, 48, .06);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 18px rgba(67,52,35,.08);
}

.message.user .message-menu {
  left: 0;
  right: auto;
}

.message-menu-delete {
  width: 100%;
  border: 0;
  border-radius: 6px;
  padding: 6px 10px;
  color: var(--muted);
  background: transparent;
  font-size: 12px;
  text-align: center;
}

.message-menu-delete:hover {
  color: var(--danger);
  background: rgba(199, 73, 73, .08);
}

@media (hover: none) {
  .message-menu-button {
    opacity: .45;
  }
}

.text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: "Noto Serif SC", serif;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.pending-text {
  color: var(--muted);
  font-style: italic;
}

.pending-text::after {
  content: "";
  display: inline-block;
  width: 1.25em;
  animation: dots 1.2s steps(4, end) infinite;
}

.message-worklog {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  font-size: 11px;
  position: relative;
  opacity: 0;
  transition: opacity .15s ease;
}

.message:hover .message-worklog,
.message-worklog:focus-within,
.message-worklog[open] {
  opacity: 1;
}

@media (hover: none) {
  .message-worklog {
    opacity: .45;
  }
}

.message-worklog-summary {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  list-style: none;
  padding: 1px 6px;
  border-radius: 8px;
  white-space: nowrap;
}

.message-worklog-summary:hover {
  background: var(--line-soft);
}

.message-worklog-summary::-webkit-details-marker {
  display: none;
}

.message-worklog.active .message-worklog-summary::before {
  content: "";
  width: 5px;
  height: 5px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--codex);
  animation: pulse-dot 1.6s ease-in-out infinite;
}

.message-worklog.done .message-worklog-summary {
  opacity: 0.5;
}

.message-worklog.done .message-worklog-summary:hover {
  opacity: 0.8;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 1; }
}

.message-worklog-status {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.message-worklog-events {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 10;
  min-width: 280px;
  width: max-content;
  max-width: min(520px, 80vw);
  max-height: 50vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 4px 0 0;
  padding: 6px 8px;
  list-style: none;
  font-size: 11px;
  color: var(--muted);
  background: var(--paper-strong);
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.message-worklog-event {
  padding: 1px 0;
  opacity: 0.75;
}

.message-worklog-event.warning { color: var(--claude); opacity: 1; }
.message-worklog-event.error { color: var(--danger); opacity: 1; }

.message-worklog-event.thinking {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-style: italic;
  opacity: 0.9;
  padding: 3px 0;
  border-top: 1px solid var(--line-soft);
  margin-top: 2px;
}

.message-worklog-event.thinking:first-child {
  border-top: 0;
  margin-top: 0;
}

@keyframes dots {
  0% { content: ""; }
  25% { content: "."; }
  50% { content: ".."; }
  75%, 100% { content: "..."; }
}

.interject {
  position: relative;
  z-index: 2;
  margin: 0 clamp(16px, 3vw, 42px) 18px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,253,248,.84);
  box-shadow: 0 20px 54px rgba(67,52,35,.12);
  padding: 10px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 10px;
}

.target-toggle-btn {
  min-height: 34px;
  padding: 0 12px;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.target-toggle {
  grid-column: 1 / -1;
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}

.target-toggle[hidden] { display: none !important; }

.target-toggle button {
  min-height: 32px;
  padding: 0 11px;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.target-toggle button.active {
  color: var(--ink);
  background: rgba(255,255,255,.78);
  border-color: var(--line);
}

.target-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.dot-all { background: var(--ink-2); }
.dot-none { background: #8b949e; }
.dot-codex { background: var(--codex); }
.dot-claude { background: var(--claude); }
.dot-deepseek { background: var(--deepseek); }
.dot-gemini { background: var(--gemini); }

.interject-input-row {
  min-width: 0;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 8px;
}

#interjectInput {
  width: 100%;
  min-height: 42px;
  max-height: 160px;
  border: 0;
  outline: 0;
  border-radius: 18px;
  background: transparent;
  padding: 10px 8px;
  color: var(--ink);
  font: inherit;
  line-height: 1.45;
  resize: none;
  overflow-y: auto;
  white-space: pre-wrap;
}

#interjectInput::placeholder {
  color: var(--muted);
}

.attach-btn,
.send-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--codex);
  background: rgba(111,143,167,.18);
  padding: 0;
}

.interrupt-send-btn {
  min-height: 42px;
  padding: 0 10px;
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 38%, var(--line));
  background: var(--danger-dim);
  font-size: 12px;
}

.interrupt-send-btn[hidden] {
  display: none;
}

.attachment-tray {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 4px 4px;
}

.attachment-tray[hidden] {
  display: none;
}

.attachment-chip {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  min-height: 30px;
  padding: 0 5px 0 11px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(255,255,255,.62);
  color: var(--ink-2);
  font-size: 12px;
}

.attachment-chip.uploading {
  opacity: .72;
}

.attachment-chip span {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.attachment-chip button {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  padding: 0;
  display: grid;
  place-items: center;
  font-size: 16px;
  line-height: 1;
}

.message-attachments {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.message-attachment-image {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
}

.message-attachment-image img {
  display: block;
  max-width: min(320px, 100%);
  max-height: 320px;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  object-fit: contain;
  background: rgba(255,255,255,.55);
}

.message-attachment-file {
  width: min(320px, 100%);
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: rgba(255,255,255,.52);
  color: inherit;
  text-decoration: none;
}

.message-attachment-file strong,
.message-attachment-file small {
  overflow-wrap: anywhere;
}

.message-attachment-file strong {
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
}

.message-attachment-file small {
  color: var(--muted);
  font-size: 11px;
}

.floating-note-tab {
  position: absolute;
  right: -1px;
  top: 98px;
  z-index: 5;
  writing-mode: vertical-rl;
  letter-spacing: .18em;
  min-height: auto;
  padding: 14px 9px;
  border-radius: 16px 0 0 16px;
  background: rgba(255,253,248,.86);
  box-shadow: 0 10px 30px rgba(67,52,35,.08);
  color: var(--muted);
  font-size: 11px;
}

.paper-head {
  position: relative;
  z-index: 1;
  padding: 42px clamp(26px, 5vw, 64px) 20px;
}

.paper-head p {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.paper-head h2 {
  margin: 0;
  font-family: "Playfair Display", "Noto Serif SC", serif;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1;
}

.paper-head span {
  display: block;
  max-width: 720px;
  margin-top: 14px;
  color: var(--ink-2);
  font-size: 14px;
}

.notebook-panel,
.notes-panel,
.user-panel,
.study-plan-panel,
.worklog-panel {
  grid-template-rows: auto 1fr;
  overflow: auto;
}

.study-plan-body {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 22px;
  padding: 10px clamp(26px, 5vw, 64px) 54px;
}

.tracker-shell {
  display: grid;
  gap: 14px;
}

.tracker-overview,
.tracker-card,
.tracker-history {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,253,248,.64);
}

.tracker-overview,
.tracker-card {
  padding: 16px;
}

.tracker-overview-head,
.tracker-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.tracker-overview-head h4,
.tracker-card-head h4,
.tracker-history h4 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
}

.tracker-overview-head button,
.tracker-card-head button {
  min-height: 32px;
  padding: 0 12px;
}

.tracker-overview-grid,
.tracker-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.tracker-grid,
.tracker-history {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.tracker-form label,
.tracker-overview-grid label {
  display: grid;
  gap: 6px;
}

.tracker-form span,
.tracker-overview-grid span {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.tracker-wide {
  grid-column: 1 / -1;
}

.tracker-form input,
.tracker-form textarea,
.tracker-overview-grid input,
.tracker-overview-grid textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.56);
  color: var(--ink);
  outline: 0;
  padding: 9px 11px;
}

.tracker-form input,
.tracker-overview-grid input {
  min-height: 40px;
}

.tracker-form textarea,
.tracker-overview-grid textarea {
  resize: vertical;
}

.tracker-history {
  padding: 16px;
}

.tracker-history-group {
  min-width: 0;
  display: grid;
  gap: 10px;
}

.tracker-table {
  display: grid;
  gap: 8px;
}

.tracker-row {
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: rgba(255,255,255,.54);
  padding: 12px;
  display: grid;
  gap: 6px;
}

.tracker-row strong {
  font-size: 14px;
}

.tracker-row small {
  color: var(--muted);
  font-size: 11px;
}

.tracker-row p {
  margin: 0;
  color: var(--ink-2);
  font-size: 13px;
}

.tracker-row ul {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-2);
  font-size: 13px;
}

.tracker-empty {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.plan-band,
.phase-block,
.subject-block,
.schedule-row article,
.checkpoint-row article,
.role-row article {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,253,248,.64);
}

.target-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 12px;
}

.plan-stat {
  min-height: 102px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255,255,255,.54);
}

.plan-stat small,
.phase-block small,
.schedule-row small,
.checkpoint-row small {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.plan-stat strong {
  font-family: "Noto Serif SC", serif;
  font-size: 20px;
}

.plan-stat span,
.schedule-row span,
.checkpoint-row span {
  color: var(--ink-2);
  font-size: 13px;
}

.plan-section {
  display: grid;
  gap: 12px;
}

.plan-section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.plan-section-head p {
  margin: 0;
  color: var(--codex);
  font-size: 11px;
  letter-spacing: .16em;
}

.plan-section-head h3 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: 22px;
}

.phase-row,
.subject-grid,
.checkpoint-row,
.role-row {
  display: grid;
  gap: 12px;
}

.phase-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.subject-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.phase-block,
.subject-block,
.role-row article {
  padding: 16px;
}

.phase-block h4,
.subject-block h4,
.role-row h4 {
  margin: 4px 0 8px;
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
}

.phase-block p,
.subject-block p,
.role-row p {
  margin: 0;
  color: var(--ink-2);
  font-size: 13px;
}

.subject-block {
  display: grid;
  gap: 6px;
}

.subject-block p strong {
  color: var(--ink);
}

.schedule-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.schedule-row article,
.checkpoint-row article {
  min-height: 100px;
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 14px 16px;
}

.schedule-row strong,
.checkpoint-row strong {
  font-family: "Noto Serif SC", serif;
  font-size: 17px;
}

.plan-steps {
  margin: 0;
  padding: 18px 24px 18px 42px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,253,248,.64);
  color: var(--ink-2);
}

.plan-steps li + li {
  margin-top: 10px;
}

.plan-steps strong {
  color: var(--ink);
}

.checkpoint-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.role-row {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.notebook-grid {
  position: relative;
  z-index: 1;
  padding: 14px clamp(26px, 5vw, 64px) 54px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

.notebook-card {
  min-height: 210px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,253,248,.62);
  box-shadow: var(--shadow-soft);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.notebook-card small,
.sticky small {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.notebook-card h3 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: 22px;
}

.notebook-card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 13px;
}

.notebook-card ul {
  margin: auto 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 12px;
}

.notebook-empty {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  padding: 32px 0;
}

.notebook-empty.compact {
  padding: 12px 0 0;
  text-align: left;
}

.archive-open-btn {
  margin-top: 16px;
  padding: 6px 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: transparent;
  color: var(--ink-2);
  font-size: 13px;
  cursor: pointer;
  transition: background .15s;
}
.archive-open-btn:hover { background: var(--line-soft); }

.archive-form {
  margin: 0 clamp(26px, 5vw, 64px) 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255,253,248,.8);
}

.archive-form input,
.archive-form textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,.6);
  color: var(--ink);
  font-size: 13px;
  font-family: inherit;
  resize: vertical;
}

.archive-form-actions {
  display: flex;
  gap: 8px;
}

.archive-form-actions button {
  padding: 6px 18px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-2);
  font-size: 13px;
  cursor: pointer;
  transition: background .15s;
}
.archive-form-actions button:first-child {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.archive-form-actions button:first-child:hover { opacity: .85; }
.archive-form-actions button:last-child:hover { background: var(--line-soft); }

.nb-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 10px;
  color: var(--muted);
}

.nb-source { font-style: italic; }

.nb-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: auto;
}

.nb-tag {
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--line-soft);
  color: var(--muted);
  font-size: 11px;
}

.nb-delete {
  align-self: flex-start;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  cursor: pointer;
  margin-top: auto;
}
.nb-delete:hover { color: var(--danger); border-color: var(--danger); }

.sticky-board {
  position: relative;
  z-index: 1;
  padding: 14px clamp(26px, 5vw, 64px) 54px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
}

.sticky {
  min-height: 160px;
  border: 1px solid rgba(148,128,82,.18);
  border-radius: 22px;
  background: rgba(242,225,184,.46);
  box-shadow: 0 12px 30px rgba(67,52,35,.07);
  padding: 18px;
  transform: rotate(-1deg);
}

.sticky.blue { background: rgba(184,205,217,.38); transform: rotate(1.2deg); }
.sticky.rose { background: rgba(220,181,169,.34); transform: rotate(-.5deg); }
.sticky.violet { background: rgba(202,196,218,.36); transform: rotate(.8deg); }

.sticky strong {
  display: block;
  margin-top: 12px;
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
}

.sticky p {
  margin: 8px 0 0;
  color: var(--ink-2);
  font-size: 13px;
}

.notebook-controls {
  position: relative;
  z-index: 1;
  margin: 0 clamp(26px, 5vw, 64px);
  padding: 0;
  display: grid;
  max-width: 860px;
}

.notebook-controls:empty {
  display: none;
}

.notebook-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.notebook-title-row h2 {
  margin: 0;
}

.notebook-title-row select,
.notebook-inbox-form textarea {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,253,248,.72);
  color: var(--ink);
  padding: 9px 12px;
  font: inherit;
}

.notebook-title-row select {
  width: min(220px, 100%);
  min-height: 34px;
  padding-top: 0;
  padding-bottom: 0;
  border-radius: 999px;
  color: var(--ink-2);
  background: rgba(238,236,229,.86);
}

.notebook-inbox-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.notebook-inbox-form textarea {
  min-height: 112px;
  resize: vertical;
  line-height: 1.55;
}

.notebook-inbox-form button {
  min-height: 42px;
  border: 1px solid var(--ink);
  border-radius: 10px;
  background: var(--ink);
  color: var(--bg);
  padding: 0 18px;
  font: inherit;
  justify-self: end;
}

@media (max-width: 620px) {
  .notebook-controls {
    grid-template-columns: 1fr;
  }

  .notebook-inbox-form {
    grid-template-columns: 1fr;
  }

  .notebook-inbox-form button {
    min-height: 40px;
  }
}

.roundtable-notebook {
  position: relative;
  z-index: 1;
  padding: 6px clamp(26px, 5vw, 64px) 54px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  max-width: 860px;
}

.notebook-goal-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,253,248,.72);
  box-shadow: var(--shadow-soft);
  padding: 14px;
  min-width: 0;
}

.notebook-goal-card.done {
  background: rgba(224,237,226,.72);
}

.notebook-goal-card.inbox {
  grid-column: 1 / -1;
  border-color: rgba(184,94,94,.24);
  background: rgba(255,253,248,.78);
  padding: 0;
  overflow: hidden;
}

.notebook-goal-card.inbox h3,
.notebook-goal-card.inbox .notebook-card-hint {
  padding-left: 20px;
  padding-right: 20px;
}

.notebook-goal-card.inbox h3 {
  padding-top: 18px;
}

.notebook-goal-card.inbox .notebook-card-hint {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.notebook-goal-card.inbox .notebook-check-list {
  gap: 0;
}

.notebook-goal-card.inbox .notebook-check-list li {
  padding: 14px 20px;
  border-bottom: 1px solid var(--line-soft);
}

.notebook-inbox-composer {
  padding: 16px 20px 20px;
}

.notebook-goal-card.completed {
  grid-column: 1 / -1;
  background: rgba(238,239,234,.72);
}

.notebook-goal-card header {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
  margin-bottom: 10px;
}

.notebook-goal-card h3,
.notebook-section h4 {
  margin: 0;
}

.notebook-goal-card h3 {
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  overflow-wrap: anywhere;
}

.notebook-goal-card header small,
.notebook-card-hint {
  color: var(--muted);
  font-size: 12px;
}

.notebook-card-hint {
  margin: 0 0 10px;
}

.notebook-section {
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
  margin-top: 10px;
}

.notebook-section h4 {
  color: var(--ink-2);
  font-size: 13px;
  margin-bottom: 6px;
}

.notebook-section.tone-bugs h4 {
  color: var(--danger);
}

.notebook-check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 7px;
}

.notebook-check-list li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 7px;
  align-items: start;
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.45;
}

.notebook-check-list input {
  margin-top: 2px;
}

.notebook-check-list input:checked + span {
  color: var(--muted);
  text-decoration: line-through;
}

.notebook-notes {
  border-top: 1px solid var(--line-soft);
  margin-top: 10px;
  padding-top: 10px;
}

.notebook-notes summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
}

.notebook-goal-card.completed summary {
  cursor: pointer;
  color: var(--ink-2);
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
}

.notebook-completed-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 8px;
}

.notebook-completed-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 2px;
  padding: 8px 0;
  border-top: 1px solid var(--line-soft);
}

.notebook-completed-body {
  display: grid;
  gap: 2px;
}

.notebook-completed-list small {
  color: var(--muted);
  font-size: 11px;
}

.notebook-completed-list span {
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.6;
}

.notebook-completed-list button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,253,248,.72);
  color: var(--ink-2);
  padding: 4px 10px;
  cursor: pointer;
}

.user-card {
  position: relative;
  z-index: 1;
  margin: 14px clamp(26px, 5vw, 64px) 54px;
  max-width: 880px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255,253,248,.66);
  box-shadow: var(--shadow-soft);
  padding: 10px 26px;
}

.user-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 22px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

.user-row:first-child { border-top: 0; }

.user-row span {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.user-row p {
  margin: 0;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.8;
}

.start-topic-popover {
  position: fixed;
  left: -9999px;
  top: -9999px;
}

.topic-drawer {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
}

.topic-drawer.open { pointer-events: auto; }

.topic-scrim {
  position: absolute;
  inset: 0;
  border: 0;
  border-radius: 0;
  background: rgba(41,36,31,0);
  padding: 0;
  transition: background .22s ease;
}

.topic-drawer.open .topic-scrim {
  background: rgba(41,36,31,.36);
  backdrop-filter: blur(4px);
}

.topic-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(410px, calc(100vw - 34px));
  height: 100%;
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr);
  border-left: 1px solid var(--line);
  background: rgba(255,253,248,.94);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  box-shadow: -20px 0 70px rgba(67,52,35,.14);
  transform: translateX(100%);
  transition: transform .24s cubic-bezier(.4,0,.2,1);
}

.topic-drawer.open .topic-panel { transform: translateX(0); }

.topic-drawer.mode-create .topics-list {
  display: none;
}

.topic-drawer.mode-topics .new-topic-inline,
.topic-drawer.mode-topics .topic-manage {
  display: none;
}

.topic-panel-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: start;
  padding: 24px 18px 16px;
  border-bottom: 1px solid var(--line-soft);
}

.topic-panel-head h2 {
  margin: 0;
  font-family: "Playfair Display", "Noto Serif SC", serif;
  font-size: 28px;
}

.topic-panel-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.close-btn {
  width: 36px;
  height: 36px;
  padding: 0;
}

.new-topic-inline {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line-soft);
}

.new-topic-inline label {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.new-topic-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: 8px;
}

.new-topic-row textarea {
  min-height: 58px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.5);
  padding: 10px;
  outline: 0;
}

.new-topic-row button {
  min-height: 38px;
  align-self: end;
  padding: 0 14px;
}

.new-topic-inline small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
}

.topics-list {
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 14px 18px;
}

.topic-item {
  min-height: 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  text-align: left;
  border-radius: 18px;
  background: rgba(255,255,255,.44);
  border: 1px solid var(--line-soft);
  padding: 11px 14px;
}

.topic-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
  font-size: 13px;
}

.topic-meta {
  color: var(--muted);
  font-size: 11px;
  font-family: "Fira Code", monospace;
  white-space: nowrap;
}

.topic-empty {
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  padding: 24px 0;
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(111,143,167,.24); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: rgba(111,143,167,.42); }

@media (max-width: 980px) {
  .app-shell {
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    height: 100dvh;
    min-height: 0;
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 250px) minmax(0, 1fr);
    padding: 12px;
  }

  .rail {
    min-height: auto;
    height: 70px;
    flex-direction: row;
    justify-content: center;
  }

  .rail-logo { margin: 0 8px 0 0; }
  .rail-spacer { display: none; }

  .side-panel {
    height: auto;
    min-height: auto;
    max-height: 250px;
  }

  .main-card {
    height: auto;
    min-height: 0;
  }

  .room-actions {
    max-width: 58%;
  }

  .target-band,
  .phase-row,
  .schedule-row {
    grid-template-columns: 1fr;
  }

  .subject-grid,
  .checkpoint-row,
  .role-row,
  .tracker-grid,
  .tracker-history {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .room-bar {
    align-items: flex-start;
    height: auto;
    padding: 14px;
    flex-direction: column;
  }

  .room-actions {
    max-width: 100%;
    width: 100%;
  }

  .message { max-width: 96%; }
  .interject {
    grid-template-columns: 1fr;
  }
  .interject-input-row {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    align-items: center;
  }
  .user-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .floating-note-tab {
    display: none;
  }
}


/* ── Fix v2: real topic composer inside drawer ───────────────── */
.new-topic-inline textarea#topicInput {
  width: 100%;
  min-height: 74px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.56);
  color: var(--ink);
  padding: 10px 12px;
  outline: 0;
  margin-top: 8px;
}

.new-topic-inline textarea#topicInput:focus {
  border-color: rgba(111,143,167,.42);
  box-shadow: 0 0 0 3px rgba(111,143,167,.12);
}

.new-topic-inline #startButton {
  min-height: 38px;
  padding: 0 16px;
}

/* keep control buttons tappable on phones */
.room-actions {
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.room-actions .button {
  flex: 0 0 auto;
  touch-action: manipulation;
}

@media (max-width: 620px) {
  .app-shell {
    padding: 10px;
  }

  .room-bar {
    gap: 10px;
  }

  .room-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: none;
    width: 100%;
    overflow: visible;
    gap: 8px;
  }

  .room-actions .button {
    min-height: 40px;
    width: 100%;
    padding: 0 8px;
    font-size: 12px;
  }

  .room-actions #newCodexButton,
  .room-actions #newClaudeButton {
    grid-column: span 1;
  }

  .messages {
    padding-inline: 14px;
  }

  .topic-panel {
    width: min(420px, 100vw);
  }

  .new-topic-row {
    grid-template-columns: 1fr;
  }

  .new-topic-inline .stepper {
    grid-template-columns: auto minmax(72px, 1fr);
  }

  .new-topic-inline #startButton {
    width: 100%;
  }
}


/* ── Fix v3: topic categories, rename/move, mobile controls ───── */
.topic-group-label {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 14px 4px 4px;
}

.topic-manage {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line-soft);
}

.topic-manage label {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.topic-manage input {
  width: 100%;
  min-height: 40px;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.56);
  color: var(--ink);
  padding: 0 13px;
  outline: 0;
}

.topic-manage input:focus {
  border-color: rgba(111,143,167,.42);
  box-shadow: 0 0 0 3px rgba(111,143,167,.12);
}

.topic-manage-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 9px;
}

.topic-manage-actions button {
  min-height: 36px;
  padding: 0 8px;
  font-size: 12px;
}

.topic-manage small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

/* Important: when room-bar becomes taller on mobile, grid row must become auto. */
@media (max-width: 620px) {
  .view-panel[data-panel="chat"] {
    grid-template-rows: auto auto auto minmax(0, 1fr) auto auto;
  }

  .room-bar {
    position: relative;
    z-index: 10;
  }

  .room-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: none;
    width: 100%;
    overflow: visible;
    gap: 8px;
  }

  .room-actions .button {
    min-height: 42px;
    width: 100%;
    padding: 0 8px;
    font-size: 12px;
    border-radius: 16px;
  }

  .messages {
    padding-top: 18px;
  }

  .runtime-status {
    margin: 0 12px;
    padding: 4px 8px;
    gap: 4px;
  }

  .runtime-status-head {
    font-size: 11px;
  }

  .runtime-runs {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .runtime-runs::-webkit-scrollbar {
    display: none;
  }

  .runtime-chip {
    min-height: 24px;
    padding: 0 8px;
    font-size: 11px;
    white-space: nowrap;
  }

  .interject {
    margin: 0 10px 10px;
    border-radius: 22px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 10px;
  }

  .interject-input-row {
    min-height: 44px;
    grid-template-columns: 44px minmax(0, 1fr) 44px auto;
    align-items: center;
  }

  #interjectInput {
    min-height: 44px;
    padding: 10px 8px;
  }

  .attach-btn,
  .send-btn {
    width: 44px;
    height: 44px;
  }

  .interrupt-send-btn {
    width: 52px;
    min-width: 52px;
    min-height: 44px;
    padding: 0;
    border-radius: 999px;
  }

  .topic-manage-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 380px) {
  .room-actions {
    grid-template-columns: 1fr;
  }
}


/* ── Fix v4: real categorized topic placement ───── */
.side-panel {
  overflow: auto;
}

.side-topic-list {
  display: grid;
  gap: 4px;
}

.side-empty {
  color: var(--muted);
  font-size: 12px;
  padding: 8px 10px 12px;
}

.fixed-room-shortcuts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 10px 2px;
}

.fixed-room-shortcuts button {
  min-height: 28px;
  padding: 0 9px;
  font-size: 11px;
  color: var(--muted);
  border-color: var(--line-soft);
  background: rgba(255,255,255,.30);
}

.side-topic-item .room-index {
  color: var(--codex);
}

.topic-item.rich {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  padding: 4px 8px 4px 4px;
  border-radius: 18px;
  background: rgba(255,255,255,.42);
  border: 1px solid var(--line-soft);
}

.topic-item.rich .topic-open-button {
  flex: 1;
  min-width: 0;
}

.topic-open-button {
  position: relative;
  z-index: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  border-radius: 14px;
  min-height: 42px;
  padding: 8px 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  text-align: left;
}

.topic-open-button:hover {
  background: rgba(255,255,255,.55);
  transform: none;
}

.topic-open-button .topic-title,
.topic-open-button .topic-meta {
  display: block;
}

.topic-row-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 2px 2px;
}

.topic-row-actions button {
  min-width: 0;
  min-height: 28px;
  padding: 0 6px;
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


@media (max-width: 980px) {
  .side-panel {
    max-height: 320px;
  }
}



/* ── Fix v5: fixed rooms are permanent; temporary topics are real list ───── */

.side-topic-list {
  display: grid;
  gap: 4px;
}

.side-empty {
  color: var(--muted);
  font-size: 12px;
  padding: 8px 10px 12px;
}

.room-item[data-room-id].active {
  background: rgba(255,255,255,.72);
}

.room-item[data-room-id].active i {
  background: var(--codex);
}

/* Fixed room items in sidebar */
.fixed-room-item .room-index {
  font-size: 16px;
  letter-spacing: 0;
  width: 34px;
  text-align: center;
}

.fixed-room-item.active {
  background: rgba(255,255,255,.72);
}

@media (max-width: 980px) {
  .side-panel {
    max-height: 360px;
  }
}


/* ── Fix v6: show newly created temporary topic in left list immediately ───── */
#temporaryTopicsList {
  min-height: 36px;
}

.side-topic-item[data-topic-kind="temporary"] .room-index {
  color: var(--claude);
}

.side-topic-item.active {
  background: rgba(255,255,255,.78) !important;
  box-shadow: inset 0 0 0 1px rgba(111,143,167,.16);
}

.side-topic-item.active .room-index {
  color: var(--codex);
}

.side-topic-item.active small::after {
  content: " · 当前";
  color: var(--codex);
}

.topic-panel .topic-group-label:first-child {
  margin-top: 0;
}


/* ── Fix v7: create topic as temporary or fixed ───── */
.sub-label {
  margin: 12px 10px 6px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.topic-kind-picker {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}

.topic-kind-picker label {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.42);
  color: var(--ink-2);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  cursor: pointer;
}

.topic-kind-picker input {
  accent-color: var(--codex);
}

#fixedTopicsList {
  min-height: 36px;
}

#fixedTopicsList .side-topic-item .room-index {
  color: var(--codex);
}

#temporaryTopicsList .side-topic-item .room-index {
  color: var(--claude);
}


/* ── Fix v8: ChatGPT-like sidebar logic: new chat / direct / projects / recent ───── */

/* Archive button on temporary topic items */
.side-topic-item {
  grid-template-columns: 28px minmax(0, 1fr) auto;
}

.side-archive-btn {
  opacity: 0;
  min-height: 26px;
  padding: 0 8px;
  font-size: 11px;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  border-color: transparent;
  transition: opacity .15s ease, background .12s ease;
  flex: 0 0 auto;
}

.side-topic-item:hover .side-archive-btn,
.side-topic-item.active .side-archive-btn {
  opacity: 1;
}

.side-archive-btn:hover {
  background: rgba(184,94,94,.10);
  color: var(--danger);
  border-color: transparent;
}
.primary-actions {
  padding-top: 14px;
}

.new-chat-button {
  width: calc(100% - 20px);
  margin: 4px 10px 2px;
  min-height: 42px;
  border-radius: 16px;
  justify-content: flex-start;
  padding: 0 14px;
  background: rgba(255,255,255,.58);
  color: var(--ink);
}

#projectsList,
#temporaryTopicsList {
  min-height: 34px;
}

.project-icon-input {
  width: 100%;
  min-height: 38px;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.56);
  color: var(--ink);
  padding: 0 13px;
  outline: 0;
}

.project-icon-input:focus {
  border-color: rgba(111,143,167,.42);
  box-shadow: 0 0 0 3px rgba(111,143,167,.12);
}

.project-item .room-index {
  font-size: 15px;
  letter-spacing: 0;
  color: var(--deepseek);
}

.room-item[data-direct-id="codex"].active i {
  background: var(--codex);
}

.room-item[data-direct-id="code"].active i {
  background: var(--claude);
}

#temporaryTopicsList .side-topic-item .room-index {
  color: var(--muted);
}

#temporaryTopicsList .side-topic-item .room-index::before {
  content: "• ";
}

#otherTopicsList {
  display: none !important;
}

/* ── Summary panel ───────────────────────────────────────────────── */
.summary-filter-row {
  display: flex;
  gap: 4px;
  margin-top: 10px;
}

.summary-filter-tab {
  background: none;
  border: 1.5px solid var(--line);
  border-radius: 20px;
  padding: 3px 13px;
  font-size: 12px;
  font-family: inherit;
  color: var(--ink-2);
  cursor: pointer;
  transition: all .12s;
}
.summary-filter-tab.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.summary-filter-tab:not(.active):hover { background: var(--line-soft); }

.summary-bulk-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.summary-bulk-row span {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(255,255,255,.42);
  color: var(--muted);
  font-size: 12px;
}

.summary-action-status {
  min-height: 18px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.summary-action-status[data-tone="success"] {
  color: var(--codex);
}

.summary-action-status[data-tone="error"] {
  color: var(--danger);
}

.summary-timeline {
  padding: 16px 20px 40px;
  overflow-y: auto;
  flex: 1;
}

.summary-day-header {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--muted);
  text-transform: uppercase;
  padding: 20px 0 8px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 10px;
}

.summary-day-header:first-child {
  padding-top: 0;
}

.summary-card {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.summary-card.selected {
  border-color: var(--deepseek);
  background: rgba(179, 132, 77, .08);
}

.summary-card.kind-work {
  border-left: 3px solid var(--codex);
}

.summary-card.kind-casual {
  border-left: 3px solid var(--deepseek);
}

.summary-card-meta {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 6px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.summary-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.summary-card-head .summary-card-meta {
  margin-bottom: 0;
}

.summary-select-btn {
  width: 26px;
  height: 26px;
  min-height: 26px;
  flex: 0 0 26px;
  border-radius: 50%;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.48);
  color: transparent;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  transform: none !important;
}

.summary-select-btn:hover {
  color: var(--muted);
  background: rgba(255,255,255,.78);
}

.summary-select-btn[aria-pressed="true"] {
  color: #fff;
  background: var(--deepseek);
  border-color: var(--deepseek);
  box-shadow: 0 0 0 3px var(--deepseek-dim);
}

.summary-card-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.summary-card-action-btn,
.summary-card-archive {
  border: 1px solid var(--line-soft);
  background: transparent;
  color: var(--muted);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: 11px;
  cursor: pointer;
}

.summary-card-archive:hover {
  color: var(--danger);
  border-color: var(--danger);
}

.summary-card-action-btn:hover {
  color: var(--ink-2);
  border-color: var(--line);
  background: rgba(255,255,255,.64);
}

.summary-card-action-btn.codex:hover { background: var(--codex-dim); color: var(--codex); border-color: var(--codex); }
.summary-card-action-btn.claude:hover { background: var(--claude-dim); color: var(--claude); border-color: var(--claude); }
.summary-card-action-btn:disabled { opacity: .45; cursor: default; }

.summary-card-text {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink);
  margin: 0 0 8px;
}

.summary-card-list {
  margin: 6px 0 0;
  padding-left: 18px;
  font-size: 13px;
  color: var(--ink-2);
}

.summary-card-list li {
  margin-bottom: 3px;
}

.summary-card-next {
  font-size: 12px;
  color: var(--codex);
  margin-top: 6px;
}

.summary-empty {
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  padding: 32px 0;
}

.summary-edit-dialog {
  width: min(760px, calc(100vw - 28px));
  max-height: min(860px, calc(100dvh - 28px));
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--paper-strong);
  color: var(--ink);
  box-shadow: 0 24px 80px rgba(67,52,35,.2);
  padding: 0;
  overflow: hidden;
}

.summary-edit-dialog::backdrop {
  background: rgba(43, 36, 27, .34);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.summary-edit-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0;
  max-height: inherit;
  overflow: auto;
}

.summary-edit-form header,
.summary-edit-form footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.summary-edit-form header {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--line-soft);
  background: var(--paper-strong);
}

.summary-edit-form footer {
  position: sticky;
  bottom: 0;
  padding: 12px 18px 16px;
  border-top: 1px solid var(--line-soft);
  background: var(--paper-strong);
}

.summary-edit-form h3 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 600;
}

.summary-edit-form label {
  display: grid;
  gap: 6px;
  padding: 0 18px;
}

.summary-edit-form label span {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.summary-edit-form input,
.summary-edit-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,.64);
  color: var(--ink);
  outline: 0;
  padding: 10px 12px;
  font: inherit;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.5);
  transition: border-color .12s ease, background .12s ease, box-shadow .12s ease;
}

.summary-edit-form input:focus,
.summary-edit-form textarea:focus {
  border-color: rgba(111,143,167,.42);
  background: rgba(255,255,255,.88);
  box-shadow: 0 0 0 3px rgba(111,143,167,.12);
}

.summary-edit-form textarea {
  resize: vertical;
}

#summaryEditTextInput {
  min-height: 150px;
}

#summaryEditDecisionsInput,
#summaryEditOpenItemsInput {
  min-height: 92px;
}

#summaryEditCloseButton {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  padding: 0;
}

@media (max-width: 680px) {
  .summary-edit-form label {
    padding: 0 14px;
  }
}

/* Phone layout: compact rooms, visible chat, contained message bubbles. */
@media (max-width: 620px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .app-shell {
    height: 100vh;
    height: 100dvh;
    min-height: 0;
    padding: 8px;
    gap: 8px;
    grid-template-columns: 1fr;
    grid-template-rows: 52px 54px minmax(0, 1fr);
  }

  .rail {
    height: 52px;
    min-height: 0;
    padding: 5px 6px;
    gap: 4px;
    border-radius: 18px;
    overflow-x: auto;
    overflow-y: hidden;
    justify-content: flex-start;
  }

  .rail-logo,
  .rail-spacer {
    display: none;
  }

  .rail-btn {
    width: 42px;
    min-width: 42px;
    min-height: 40px;
    border-radius: 14px;
  }

  .rail-btn small {
    font-size: 8px;
  }

  .side-panel {
    display: flex;
    flex-direction: row;
    align-items: center;
    height: 54px;
    min-height: 0;
    max-height: 54px;
    border-radius: 18px;
    padding: 5px 6px;
    gap: 6px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
  }

  .side-panel::-webkit-scrollbar {
    display: none;
  }

  .side-head,
  .section-label {
    display: none;
  }

  .side-panel .msg-search-section {
    display: none;
  }

  .side-section {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    min-width: 0;
    padding: 0;
    gap: 6px;
  }

  .side-topic-list {
    display: flex;
    align-items: center;
    gap: 6px;
    min-height: 0;
  }

  .primary-actions {
    padding: 0;
  }

  .new-chat-button {
    width: auto;
    min-width: max-content;
    min-height: 42px;
    margin: 0;
    padding: 0 12px;
    border-radius: 14px;
  }

  .room-item,
  .side-topic-item {
    width: auto;
    min-width: 118px;
    max-width: 168px;
    min-height: 42px;
    grid-template-columns: 24px minmax(0, 1fr);
    padding: 6px 9px;
    gap: 7px;
    border-radius: 14px;
    background: rgba(255,255,255,.38);
    flex: 0 0 auto;
  }

  .room-item i,
  .side-archive-btn {
    display: none;
  }

  .room-index {
    font-size: 12px;
    letter-spacing: 0;
  }

  .room-item strong {
    font-size: 12px;
  }

  .room-item small {
    font-size: 10px;
    margin-top: 0;
  }

  .main-card {
    width: 100%;
    max-width: 100%;
    height: 100%;
    min-height: 0;
    border-radius: 22px;
  }

  .view-panel[data-panel="chat"] {
    min-width: 0;
    width: 100%;
    max-width: 100%;
    grid-template-rows: auto auto auto minmax(0, 1fr) auto auto;
    position: relative;
  }

  .room-bar {
    min-width: 0;
    max-width: 100%;
    padding: 10px 12px 8px;
    gap: 8px;
  }

  .room-bar > div:first-child {
    min-width: 0;
    max-width: 100%;
  }

  .room-bar h2 {
    font-size: 16px;
  }

  .room-actions {
    display: flex;
    min-width: 0;
    max-width: none;
    width: 100%;
    gap: 6px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 0 2px;
  }

  .room-actions .button {
    width: auto;
    min-width: max-content;
    min-height: 34px;
    padding: 0 10px;
    border-radius: 14px;
  }

  .mobile-topic-button {
    display: inline-flex;
  }

  .messages {
    width: 100%;
    max-width: 100%;
    min-height: 0;
    padding: 12px 20px 14px 12px;
    gap: 10px;
    overflow-x: hidden;
  }

  .approval-panel {
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: calc(8px + var(--mobile-composer-height, 58px));
    z-index: 12;
    margin: 0;
    max-height: min(44dvh, 280px);
    overflow: auto;
    -webkit-overflow-scrolling: touch;
  }

  .approval-panel[hidden] {
    display: none;
  }

  .approval-card {
    border-radius: 16px;
    padding: 10px;
    font-size: 12px;
    box-shadow: 0 12px 32px rgba(67, 52, 35, .14);
  }

  .approval-head,
  .approval-actions {
    gap: 8px;
  }

  .approval-title {
    min-width: 0;
    font-size: 12px;
    line-height: 1.35;
  }

  .approval-badge {
    flex: 0 0 auto;
    font-size: 10px;
  }

  .approval-detail {
    max-height: 118px;
    margin: 8px 0;
    padding: 8px;
    border-radius: 12px;
    font-size: 11px;
    line-height: 1.45;
  }

  .approval-allow,
  .approval-deny {
    min-height: 32px;
    padding: 0 10px;
    font-size: 12px;
  }

  .message {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    align-items: start;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    gap: 8px;
  }

  .message.user {
    align-self: stretch;
    grid-template-columns: minmax(0, 1fr) 30px;
  }

  .message.user .avatar {
    grid-column: 2;
    grid-row: 1;
  }

  .message.user .bubble {
    grid-column: 1;
    grid-row: 1;
    justify-self: end;
    margin-left: 0;
  }

  .message .bubble {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
  }

  .avatar {
    width: 30px;
    height: 30px;
    font-size: 9px;
  }

  .bubble {
    border-radius: 18px;
    padding: 10px 12px 11px;
  }

  .summary-card {
    padding: 12px 12px 13px;
  }

  .summary-card-head {
    display: grid;
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 8px;
  }

  .summary-card-head .summary-card-meta {
    grid-column: 2;
    grid-row: 1;
    line-height: 1.45;
    white-space: normal;
  }

  .summary-card-actions {
    grid-column: 2;
    justify-content: flex-start;
  }

  .text {
    font-size: 13px;
    line-height: 1.65;
    max-width: 100%;
    word-break: break-word;
  }

  .interject {
    margin: 0 8px 8px;
    border-radius: 18px;
    padding: 8px;
    gap: 7px;
    min-height: var(--mobile-composer-height, 58px);
  }

  .target-toggle {
    max-height: 88px;
    overflow: auto;
  }

  .target-toggle-btn,
  .target-toggle button {
    min-height: 32px;
  }

  .interject-input-row,
  #interjectInput {
    min-height: 40px;
  }

  .attach-btn,
  .send-btn {
    width: 40px;
    height: 40px;
  }
}


/* TTS audio messages */
.tts-audio {
  display: block;
  width: 100%;
  max-width: 320px;
  margin: 4px 0;
}

.tts-generating {
  color: var(--text-muted, #888);
  font-style: italic;
  font-size: 0.875em;
}

.tts-transcript-toggle {
  background: none;
  border: 1px solid var(--border, #ccc);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.8em;
  cursor: pointer;
  margin-top: 4px;
  color: var(--text-muted, #888);
}

.tts-transcript {
  margin-top: 6px;
  font-size: 0.875em;
  color: var(--text-muted, #888);
  white-space: pre-wrap;
}

/* ── Search overlay ──────────────────────────────── */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.search-overlay[hidden] { display: none; }

.search-overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(29,24,19,.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.search-overlay-sheet {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 720px;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  overflow: hidden;
  animation: search-in .16s ease;
}

@media (min-width: 640px) {
  .search-overlay-sheet {
    margin-top: 48px;
    height: auto;
    max-height: calc(100dvh - 64px);
    border-radius: 20px;
    box-shadow: var(--shadow);
  }
}

@keyframes search-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.search-overlay-top {
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--line-soft);
  background: var(--paper-strong);
  flex-shrink: 0;
}

.search-overlay-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.search-overlay-lens {
  font-size: 20px;
  color: var(--muted);
  flex-shrink: 0;
  line-height: 1;
  user-select: none;
}

.search-overlay-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 18px;
  color: var(--ink);
  outline: none;
  font-family: inherit;
  padding: 4px 0;
  min-width: 0;
}
.search-overlay-input::placeholder { color: var(--muted); }

.search-overlay-close-btn {
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
  padding: 6px 8px;
  border-radius: 8px;
  transition: background .12s, color .12s;
  line-height: 1;
}
.search-overlay-close-btn:hover { background: var(--line-soft); color: var(--ink); }

.search-overlay-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.search-type-tabs {
  display: flex;
  gap: 4px;
}

.search-type-tab {
  background: none;
  border: 1.5px solid var(--line);
  border-radius: 20px;
  padding: 3px 13px;
  font-size: 12px;
  font-family: inherit;
  color: var(--ink-2);
  cursor: pointer;
  transition: all .12s;
}
.search-type-tab.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.search-type-tab:not(.active):hover { background: var(--line-soft); }

.search-overlay-scope {
  flex: 1;
  min-width: 90px;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 3px 8px;
  font-size: 12px;
  font-family: inherit;
  color: var(--ink);
  outline: none;
  cursor: pointer;
}

.search-overlay-results {
  flex: 1;
  overflow-y: auto;
  padding: 6px 12px 24px;
  overscroll-behavior: contain;
}

.search-overlay-hint {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-top: 40px;
}

.search-overlay-count {
  font-size: 11px;
  color: var(--muted);
  padding: 8px 4px 2px;
}

.search-day-group { margin-bottom: 4px; }

.search-day-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: .04em;
  padding: 10px 4px 4px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 1;
}

.search-overlay-result {
  padding: 10px 12px;
  border-radius: 14px;
  cursor: pointer;
  margin-bottom: 4px;
  background: var(--paper-soft);
  border: 1px solid var(--line-soft);
  transition: background .12s;
}
.search-overlay-result:hover { background: var(--paper-strong); }

.search-result-meta {
  font-size: 10px;
  color: var(--muted);
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.search-result-type-badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .02em;
  flex-shrink: 0;
}
.search-result-type-badge.message { background: var(--codex-dim); color: var(--codex); }
.search-result-type-badge.summary { background: var(--summary-dim); color: var(--summary); }

.search-result-room { font-weight: 500; color: var(--ink-2); }
.search-result-time { color: var(--muted); }

.search-overlay-result .msg-search-msg { opacity: .65; }
.search-overlay-result .msg-search-msg.match { opacity: 1; }
.search-overlay-result .msg-search-summary-text {
  font-size: 12px;
  line-height: 1.55;
  color: var(--ink);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.search-overlay-result .msg-search-summary-detail {
  margin-top: 5px;
  padding-left: 8px;
  border-left: 2px solid var(--line);
  font-size: 11px;
  color: var(--ink-2);
  line-height: 1.4;
}

/* Mobile-only icon buttons in room-bar: hidden on desktop */
.mobile-nav-toggle,
.mobile-search-btn {
  display: none;
}

/* Mobile nav backdrop */
.mobile-nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 199;
  background: rgba(0,0,0,.32);
}
.mobile-nav-backdrop.visible {
  display: block;
}

/* Mobile: collapse room-actions into dropdown, add nav/search buttons */
@media (max-width: 620px) {
  .app-shell {
    --mobile-nav-width: min(72vw, 280px);
  }

  .app-shell.mobile-nav-open .mobile-nav-backdrop {
    left: var(--mobile-nav-width);
    width: auto;
  }

  /* Side panel collapses when app-shell has .nav-collapsed */
  .app-shell.nav-collapsed {
    grid-template-rows: 52px minmax(0, 1fr);
  }
  .app-shell.nav-collapsed .side-panel {
    display: none;
  }

  /* Side panel expanded on mobile: full-height overlay with categories */
  .app-shell:not(.nav-collapsed) {
    grid-template-rows: 52px minmax(0, 1fr);
  }
  .app-shell:not(.nav-collapsed) .side-panel {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--mobile-nav-width);
    height: 100dvh;
    max-height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    overflow-y: auto;
    overflow-x: hidden;
    border-radius: 0 18px 18px 0;
    padding: 16px 10px;
    gap: 0;
    z-index: 200;
    box-shadow: 10px 0 28px rgba(67,52,35,.08);
  }
  .app-shell:not(.nav-collapsed) .side-head,
  .app-shell:not(.nav-collapsed) .section-label {
    display: block;
  }
  .app-shell:not(.nav-collapsed) .msg-search-section {
    display: block;
  }
  .app-shell:not(.nav-collapsed) .side-section {
    flex-direction: column;
    align-items: stretch;
    padding: 8px 10px 4px;
    gap: 0;
  }
  .app-shell:not(.nav-collapsed) .side-topic-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    width: 100%;
  }
  .app-shell:not(.nav-collapsed) .room-item {
    width: 100%;
    max-width: none;
  }
  .app-shell:not(.nav-collapsed) .side-topic-item,
  .app-shell:not(.nav-collapsed) .project-item {
    grid-template-columns: 28px minmax(0, 1fr) auto;
  }
  .app-shell:not(.nav-collapsed) .side-topic-item .side-archive-btn,
  .app-shell:not(.nav-collapsed) .project-item .side-archive-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
  }
  .app-shell:not(.nav-collapsed) .fixed-room-item,
  .app-shell:not(.nav-collapsed) .side-panel [data-direct-id] {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .view-panel[data-panel="chat"] {
    grid-template-rows: 52px auto auto minmax(0, 1fr) auto auto;
  }

  .room-bar {
    flex-direction: row;
    align-items: center;
    height: 52px;
    overflow: visible;
  }

  .room-bar > div:first-child {
    flex: 1;
    min-width: 0;
  }

  .mobile-nav-toggle,
  .mobile-search-btn,
  .room-actions-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    padding: 0;
    background: none;
    border: none;
    border-radius: 0;
    cursor: pointer;
    color: var(--ink-2);
    font-size: 18px;
  }

  .room-actions {
    position: absolute;
    top: calc(100% + 6px);
    left: 12px;
    right: 12px;
    z-index: 300;
    display: none;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 12px;
    background: var(--bg);
    border: 1px solid var(--line-soft);
    border-radius: 14px;
    box-shadow: 0 8px 28px rgba(0,0,0,.18);
  }

  .room-actions.open {
    display: grid;
  }

  .room-actions .button {
    width: 100%;
    min-height: 42px;
    font-size: 13px;
    padding: 0 10px;
  }

  .mobile-topic-button {
    display: inline-flex;
  }
}

/* Worklog panel */
.worklog-panel {
  overflow: auto;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 20px 18px 14px;
  border-bottom: 1px solid var(--line-soft);
}

.panel-head h2 {
  margin: 0;
  font-family: "Playfair Display", "Noto Serif SC", serif;
  font-size: 24px;
}

.panel-action-btn {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid var(--line-soft);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
}

.worklog-content {
  padding: 16px 18px 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.worklog-empty {
  color: var(--muted);
  font-size: 13px;
  padding: 32px 0;
  text-align: center;
}

.worklog-section h3 {
  margin: 0 0 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.worklog-runs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.worklog-run {
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  color: var(--ink-2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.worklog-run.active {
  border-color: var(--codex);
  background: var(--codex-dim);
}

.worklog-run strong {
  color: var(--ink);
}

.worklog-run-status {
  color: var(--muted);
}

.worklog-run time {
  margin-left: auto;
  font-size: 11px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.worklog-days {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.worklog-day {
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
}

.worklog-day:first-child {
  border-top: 0;
  padding-top: 0;
}

.worklog-day-summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  color: var(--ink);
  font-size: 15px;
  font-weight: 650;
  list-style: none;
}

.worklog-day-summary::-webkit-details-marker {
  display: none;
}

.worklog-day-summary::before {
  content: "▸";
  color: var(--muted);
  font-size: 11px;
  transform: translateY(-1px);
}

.worklog-day[open] > .worklog-day-summary::before {
  content: "▾";
}

.worklog-day-summary small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.worklog-topic {
  margin: 12px 0 0 20px;
}

.worklog-topic h4 {
  margin: 0 0 6px;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 650;
}

.worklog-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.worklog-timeline-item {
  font-size: 13px;
  padding: 5px 12px;
  border-left: 2px solid var(--line-soft);
}

.worklog-timeline-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.worklog-timeline-row time {
  flex: 0 0 auto;
  font-size: 11px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  min-width: 52px;
}

.worklog-timeline-row strong {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--ink-2);
}

.worklog-timeline-row span {
  color: var(--ink-2);
}

.worklog-timeline-item.warning {
  border-left-color: var(--claude);
}

.worklog-timeline-item.error {
  border-left-color: var(--danger);
  color: var(--danger);
}

.worklog-run.warning {
  border-color: var(--claude);
  background: var(--claude-dim);
}

.worklog-more {
  margin: 8px 0 2px 12px;
  padding: 3px 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
}

.worklog-more:hover {
  color: var(--ink);
  text-decoration: underline;
}

.worklog-detail-blocks {
  margin: 6px 0 2px 60px;
  display: grid;
  gap: 6px;
}

.worklog-detail {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(255,255,255,.45);
  overflow: hidden;
}

.worklog-detail summary {
  cursor: pointer;
  padding: 6px 9px;
  color: var(--ink-2);
  font-size: 12px;
}

.worklog-detail pre {
  max-height: 360px;
  overflow: auto;
  margin: 0;
  padding: 9px;
  border-top: 1px solid var(--line-soft);
  color: var(--ink);
  font: 11px/1.55 "Fira Code", ui-monospace, SFMono-Regular, Consolas, monospace;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: rgba(255,253,248,.72);
}

/* Mobile overflow guard: keep the active room and composer inside the viewport. */
@media (max-width: 620px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .app-shell {
    width: 100dvw;
    max-width: 100dvw;
    min-width: 0;
    overflow: hidden;
    padding-left: max(8px, env(safe-area-inset-left));
    padding-right: max(8px, env(safe-area-inset-right));
  }

  .rail,
  .main-card,
  .view-panel[data-panel="chat"],
  .room-bar,
  .runtime-status,
  .messages,
  .interject {
    max-width: 100%;
    min-width: 0;
  }

  .main-card,
  .view-panel[data-panel="chat"] {
    width: 100%;
    overflow: hidden;
  }

  .runtime-status {
    overflow-x: auto;
    white-space: nowrap;
  }

  .messages {
    padding-left: 10px;
    padding-right: 10px;
  }

  .message,
  .message.user {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .message .bubble {
    max-width: calc(100dvw - 76px);
    min-width: 0;
  }

  .message.user .bubble {
    max-width: calc(100dvw - 76px);
  }

  .meta {
    min-width: 0;
    gap: 8px;
  }

  .meta .name,
  .meta time,
  .message-worklog {
    min-width: 0;
  }

  .interject {
    width: auto;
    margin: 0 8px 8px;
    grid-template-columns: 1fr;
    overflow: hidden;
  }

  .interject-input-row {
    width: 100%;
    min-width: 0;
    grid-template-columns: 40px minmax(0, 1fr) 40px;
  }

  .interrupt-send-btn:not([hidden]) {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 36px;
    border-radius: 14px;
  }

  #interjectInput {
    min-width: 0;
  }
}

/* iOS/Prism mobile viewport guard: fill safe areas and avoid page-level drift. */
@media (max-width: 620px) {
  html {
    width: 100%;
    height: 100%;
    min-height: 100%;
    overflow: hidden;
    background:
      radial-gradient(circle at 18% 12%, rgba(255,255,255,.88), transparent 28%),
      radial-gradient(circle at 87% 18%, rgba(184,205,217,.22), transparent 32%),
      radial-gradient(circle at 78% 92%, rgba(191,141,118,.12), transparent 30%),
      linear-gradient(135deg,#fbf8f1,#efe7da 56%,#f8f5ef);
  }

  body {
    position: fixed;
    inset: 0;
    width: 100%;
    max-width: 100%;
    height: 100vh;
    height: 100dvh;
    min-height: 100vh;
    min-height: 100dvh;
    overflow: hidden;
    background:
      radial-gradient(circle at 18% 12%, rgba(255,255,255,.88), transparent 28%),
      radial-gradient(circle at 87% 18%, rgba(184,205,217,.22), transparent 32%),
      radial-gradient(circle at 78% 92%, rgba(191,141,118,.12), transparent 30%),
      linear-gradient(135deg,#fbf8f1,#efe7da 56%,#f8f5ef);
  }

  .bg-grid {
    position: fixed;
    inset: calc(-1 * env(safe-area-inset-top)) 0 calc(-1 * env(safe-area-inset-bottom)) 0;
  }

  .app-shell {
    position: fixed;
    inset: 0;
    width: 100%;
    max-width: 100%;
    height: 100vh;
    height: 100dvh;
    min-height: 100vh;
    min-height: 100dvh;
    padding-top: max(8px, env(safe-area-inset-top));
    padding-right: max(8px, env(safe-area-inset-right));
    padding-bottom: max(8px, env(safe-area-inset-bottom));
    padding-left: max(8px, env(safe-area-inset-left));
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: 52px minmax(0, 1fr);
    overflow: hidden;
  }

  .rail,
  .main-card,
  .view-panel[data-panel="chat"],
  .messages,
  .interject {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .main-card {
    height: 100%;
    min-height: 0;
  }

  .view-panel[data-panel="chat"] {
    height: 100%;
    min-height: 0;
    overflow: hidden;
  }

  .messages {
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }

  .interject {
    margin: 0;
  }
}

/* Let the chat surface fill the bottom; keep the composer compact. */
@media (max-width: 620px) {
  .app-shell {
    padding-bottom: 0;
  }

  .main-card {
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
  }

  .view-panel[data-panel="chat"] {
    padding-bottom: 0;
    grid-template-rows: 52px auto auto minmax(0, 1fr) auto auto;
  }

  .messages {
    min-height: 0;
    padding-bottom: 12px;
  }

  .interject {
    margin: 0;
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 18px 18px 0 0;
    padding: 8px max(8px, env(safe-area-inset-right)) 8px max(8px, env(safe-area-inset-left));
    background: rgba(255,253,248,.94);
  }
}