lan-reader-chat/app/globals.css

:root {
  --bg: #f4efe7;
  --panel: rgba(255, 252, 247, 0.88);
  --panel-strong: #fffaf3;
  --text: #241c16;
  --muted: #6c6258;
  --line: rgba(60, 42, 27, 0.12);
  --brand: #b85c38;
  --brand-soft: #e8c8b6;
  --shadow: 0 20px 60px rgba(58, 35, 18, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(232, 200, 182, 0.7), transparent 30%),
    radial-gradient(circle at bottom right, rgba(184, 92, 56, 0.12), transparent 28%),
    linear-gradient(180deg, #f8f4ed 0%, var(--bg) 100%);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

body.reader-body {
  overflow: hidden;
}

body.chat-body {
  overflow: hidden;
  overscroll-behavior: none;
  background: var(--bg);
}

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

button,
input,
textarea {
  font: inherit;
}

.page-shell {
  width: min(1200px, calc(100vw - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(248, 244, 237, 0.72);
  border-bottom: 1px solid var(--line);
}

.site-header--menu-open {
  z-index: 40;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-brand__mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, #c26a46, #8d4529);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 700;
  box-shadow: var(--shadow);
}

.site-brand__name {
  font-size: 1rem;
  font-weight: 700;
}

.site-brand__tag {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
}

.site-nav a.is-active {
  background: rgba(184, 92, 56, 0.1);
  color: #8f4b2f;
}

.site-nav a:hover {
  background: rgba(255, 250, 243, 0.92);
  color: var(--text);
}

.site-menu-button,
.site-drawer,
.site-drawer-backdrop {
  display: none;
}

.site-menu-button {
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 250, 243, 0.92);
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
}

.site-menu-button span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: #6a5a4e;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-menu-button.is-open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-menu-button.is-open span:nth-child(2) {
  opacity: 0;
}

.site-menu-button.is-open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(24, 18, 13, 0.36);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 44;
}

.site-drawer-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.site-drawer {
  position: fixed;
  inset: 0;
  display: block;
  pointer-events: none;
  z-index: 45;
  background: transparent;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.site-drawer__panel {
  margin-left: auto;
  width: min(360px, 100vw);
  height: 100%;
  padding: 22px 18px 28px;
  background: linear-gradient(180deg, #fbf6ef 0%, #f1e8dc 100%);
  box-shadow: -24px 0 60px rgba(45, 31, 22, 0.18);
  transform: translateX(100%);
  transition: transform 0.22s ease;
  isolation: isolate;
}

.site-drawer.is-open {
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
}

.site-drawer.is-open .site-drawer__panel {
  transform: translateX(0);
}

.site-drawer__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.site-drawer__title {
  font-size: 1.2rem;
  font-weight: 700;
}

.site-drawer__hint {
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.92rem;
}

.site-drawer__close {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 250, 243, 0.94);
  cursor: pointer;
}

.site-drawer__nav {
  display: grid;
  gap: 10px;
}

.site-drawer__nav a {
  min-height: 54px;
  padding: 0 16px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  background: rgba(255, 250, 243, 0.86);
  border: 1px solid var(--line);
}

.site-drawer__nav a.is-active {
  background: rgba(184, 92, 56, 0.12);
  color: #8f4b2f;
  border-color: rgba(184, 92, 56, 0.24);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  padding: 44px 0 26px;
}

.card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
}

.hero__main {
  padding: 36px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 250, 243, 0.88);
  color: var(--muted);
  font-size: 0.9rem;
}

.hero h1 {
  margin: 18px 0 14px;
  font-size: clamp(2.2rem, 5vw, 4.3rem);
  line-height: 1.05;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--brand);
  color: white;
}

.button--secondary {
  background: rgba(255, 250, 243, 0.92);
  border-color: var(--line);
}

.hero__aside {
  display: grid;
  gap: 18px;
}

.stat-card,
.feature-card,
.section-card,
.chat-layout,
.reader-layout,
.library-shell,
.agents-shell {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
}

.stat-card {
  border-radius: 24px;
  padding: 24px;
}

.stat-card h3,
.feature-card h3,
.section-card h2 {
  margin: 0;
}

.stat-card p,
.feature-card p,
.section-card p {
  color: var(--muted);
}

.home-sections {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding: 16px 0 48px;
}

.section-card {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.section-card__list {
  display: grid;
  gap: 12px;
  margin: 24px 0;
}

.section-card__item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 250, 243, 0.75);
  border: 1px solid var(--line);
}

.section-card__index {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: #6a341f;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.88rem;
}

.page-title {
  padding: 32px 0 18px;
}

.page-title h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.page-title p {
  margin: 12px 0 0;
  max-width: 720px;
  color: var(--muted);
  line-height: 1.7;
}

.chat-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 0;
  border-radius: 32px;
  overflow: hidden;
  margin-bottom: 40px;
}

.chat-sidebar {
  padding: 22px;
  border-right: 1px solid var(--line);
  background: rgba(255, 248, 239, 0.96);
}

.chat-main {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 72vh;
}

.chat-toolbar,
.chat-composer {
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}

.chat-composer {
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.chat-messages {
  padding: 22px;
  display: grid;
  gap: 16px;
  align-content: start;
  background:
    linear-gradient(180deg, rgba(255, 252, 247, 0.72), rgba(255, 248, 239, 0.85)),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 31px,
      rgba(153, 122, 96, 0.03) 32px
    );
}

.presence-list,
.library-grid,
.reader-meta,
.reader-controls,
.chapter-nav,
.agents-grid,
.agent-stats {
  display: grid;
  gap: 12px;
}

.presence-item,
.message,
.book-card,
.chapter-card,
.reader-panel,
.agent-card,
.agent-stat {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 250, 243, 0.88);
}

.presence-item {
  padding: 12px 14px;
}

.presence-item__meta,
.chat-toolbar__hint,
.message__file-meta,
.chat-sidebar__hint {
  color: var(--muted);
}

.chat-sidebar__hint,
.chat-toolbar__hint {
  margin-top: 8px;
  line-height: 1.6;
  font-size: 0.92rem;
}

.message {
  padding: 14px 16px;
  max-width: min(620px, 92%);
  overflow-wrap: anywhere;
}

.message--self {
  margin-left: auto;
  background: rgba(232, 200, 182, 0.62);
}

.message__meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.84rem;
  margin-bottom: 8px;
}

.message__file {
  margin-top: 10px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.72);
  border-radius: 12px;
}

.message__content {
  line-height: 1.7;
}

.composer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: stretch;
}

.composer-input-shell {
  display: grid;
  gap: 10px;
  min-height: 100%;
}

.composer-input-hint {
  color: var(--muted);
  font-size: 0.9rem;
}

.composer-input {
  min-height: 118px;
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  padding: 16px;
}

.composer-input--drop {
  min-height: 146px;
  border-style: dashed;
  border-width: 1.5px;
}

.composer-actions {
  display: grid;
  gap: 12px;
  align-content: stretch;
}

.composer-actions--stacked {
  width: 228px;
  height: 146px;
  grid-template-rows: 1fr 1fr;
}

.composer-actions--stacked .button {
  width: 100%;
  height: 100%;
  min-height: 0;
  border-radius: 18px;
}

.library-shell {
  padding: 22px;
  border-radius: 32px;
  margin-bottom: 40px;
}

.agents-shell {
  padding: 22px;
  border-radius: 32px;
  margin-bottom: 40px;
}

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

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

.agent-stats {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 22px;
}

.agents-intro {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  margin-bottom: 22px;
}

.agents-intro__main,
.agents-intro__aside,
.agent-summary-card {
  height: 100%;
}

.agents-intro__main {
  padding: 24px 26px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 251, 246, 0.98), rgba(255, 245, 235, 0.9));
}

.agents-intro__main h2 {
  margin: 14px 0 10px;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.agents-intro__main p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.agent-summary-card {
  padding: 24px;
  border-radius: 24px;
  border: 1px solid rgba(148, 84, 57, 0.14);
  background:
    radial-gradient(circle at top right, rgba(184, 92, 56, 0.18), transparent 35%),
    linear-gradient(180deg, rgba(255, 247, 240, 0.98), rgba(247, 236, 227, 0.94));
}

.agent-summary-card__label {
  color: var(--muted);
  font-size: 0.88rem;
}

.agent-summary-card strong {
  display: block;
  margin-top: 12px;
  font-size: 1.45rem;
}

.agent-summary-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.agent-stat {
  padding: 18px;
}

.agent-stat strong {
  display: block;
  font-size: 1.5rem;
  margin-top: 8px;
}

.agent-card {
  padding: 20px;
  display: grid;
  gap: 16px;
}

.agent-card--dense {
  gap: 14px;
  padding: 18px;
}

.agent-card-link {
  display: block;
}

.agent-card--dashboard {
  min-height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.agent-card--dashboard:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 44px rgba(76, 45, 25, 0.14);
  border-color: rgba(184, 92, 56, 0.24);
}

.agent-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.agent-card__name {
  font-size: 1.1rem;
  font-weight: 700;
}

.agent-card__role {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 4px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}

.status-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.status-pill--working {
  background: rgba(74, 145, 88, 0.14);
  color: #2f7c46;
}

.status-pill--idle {
  background: rgba(88, 108, 132, 0.12);
  color: #526579;
}

.status-pill--warning {
  background: rgba(201, 140, 53, 0.14);
  color: #9f6117;
}

.status-pill--offline {
  background: rgba(144, 109, 101, 0.14);
  color: #8a645e;
}

.agent-card__status-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.agent-card__updated {
  color: var(--muted);
  font-size: 0.88rem;
}

.agent-avatar {
  --avatar-face: #f6dcc7;
  --avatar-hair: #4d362c;
  --avatar-accent: #ca764c;
  --avatar-cloth: #d7b39c;
  --avatar-shadow: #6f4838;
  width: 62px;
  height: 62px;
  flex: 0 0 auto;
  position: relative;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, rgba(255, 248, 242, 0.96), rgba(242, 225, 210, 0.92));
  box-shadow: 0 14px 30px rgba(89, 55, 35, 0.16);
  border: 1px solid rgba(145, 91, 63, 0.16);
}

.agent-avatar--large {
  width: 82px;
  height: 82px;
  border-radius: 24px;
}

.agent-avatar__hair {
  position: absolute;
  top: 12px;
  left: 50%;
  width: 42px;
  height: 22px;
  transform: translateX(-50%);
  border-radius: 18px 18px 10px 10px;
  background: var(--avatar-hair);
  z-index: 2;
}

.agent-avatar__head {
  width: 34px;
  height: 36px;
  position: relative;
  z-index: 3;
  border-radius: 14px 14px 16px 16px;
  background: var(--avatar-face);
  border: 3px solid var(--avatar-shadow);
}

.agent-avatar--large .agent-avatar__head {
  width: 44px;
  height: 46px;
  border-radius: 16px;
}

.agent-avatar__brows {
  position: absolute;
  left: 8px;
  right: 8px;
  top: 8px;
  display: flex;
  justify-content: space-between;
}

.agent-avatar__brows span {
  width: 8px;
  height: 2px;
  border-radius: 999px;
  background: var(--avatar-shadow);
}

.agent-avatar__eyes {
  position: absolute;
  left: 7px;
  right: 7px;
  top: 14px;
  display: flex;
  justify-content: space-between;
}

.agent-avatar__eyes span {
  width: 6px;
  height: 8px;
  border-radius: 6px;
  background: var(--avatar-shadow);
}

.agent-avatar__nose {
  position: absolute;
  left: 50%;
  top: 22px;
  width: 7px;
  height: 5px;
  transform: translateX(-50%);
  border-radius: 8px;
  background: var(--avatar-accent);
}

.agent-avatar__mouth {
  position: absolute;
  left: 50%;
  bottom: 7px;
  width: 12px;
  height: 6px;
  transform: translateX(-50%);
  border-bottom: 3px solid var(--avatar-shadow);
  border-radius: 0 0 10px 10px;
}

.agent-avatar__body {
  position: absolute;
  bottom: 6px;
  left: 50%;
  width: 34px;
  height: 14px;
  transform: translateX(-50%);
  border-radius: 12px 12px 6px 6px;
  background: var(--avatar-cloth);
  z-index: 1;
}

.agent-avatar__accent {
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--avatar-accent);
  border: 2px solid rgba(255, 255, 255, 0.9);
  z-index: 4;
}

.agent-avatar--female-analyst {
  --avatar-face: #f4d8c8;
  --avatar-hair: #4b2f2f;
  --avatar-accent: #d76d5a;
  --avatar-cloth: #c9d5ee;
  --avatar-shadow: #6d4540;
}

.agent-avatar--female-analyst .agent-avatar__hair {
  width: 44px;
  height: 24px;
  border-radius: 18px 18px 12px 12px;
}

.agent-avatar--male-ops {
  --avatar-face: #efcfb9;
  --avatar-hair: #2f2b2d;
  --avatar-accent: #5a87c8;
  --avatar-cloth: #cdd5df;
  --avatar-shadow: #5b4a42;
}

.agent-avatar--male-ops .agent-avatar__hair {
  width: 36px;
  height: 16px;
  top: 13px;
  border-radius: 12px 12px 8px 8px;
}

.agent-avatar--female-researcher {
  --avatar-face: #f0d0ba;
  --avatar-hair: #5b3c30;
  --avatar-accent: #d9885b;
  --avatar-cloth: #d8c5e6;
  --avatar-shadow: #714f46;
}

.agent-avatar--female-researcher .agent-avatar__hair {
  width: 46px;
  height: 26px;
  top: 11px;
}

.agent-avatar--male-dispatcher {
  --avatar-face: #e8c6ad;
  --avatar-hair: #3d3533;
  --avatar-accent: #c78153;
  --avatar-cloth: #d7c3b6;
  --avatar-shadow: #5c4a42;
}

.agent-avatar--male-dispatcher .agent-avatar__hair {
  width: 38px;
  height: 17px;
  top: 12px;
}

.agent-avatar--female-observer {
  --avatar-face: #f5dcca;
  --avatar-hair: #2d313d;
  --avatar-accent: #d46c8b;
  --avatar-cloth: #c8d6d1;
  --avatar-shadow: #57535a;
}

.agent-avatar--female-observer .agent-avatar__hair {
  width: 44px;
  height: 24px;
}

.agent-avatar--male-maintainer {
  --avatar-face: #d9b89c;
  --avatar-hair: #43362d;
  --avatar-accent: #7c9b54;
  --avatar-cloth: #d7d2bb;
  --avatar-shadow: #634c40;
}

.agent-avatar--male-maintainer .agent-avatar__hair {
  width: 36px;
  height: 16px;
  top: 13px;
}

.agent-card__meta {
  display: grid;
  gap: 12px;
}

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

.agent-mini-stat {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(114, 80, 60, 0.12);
  background: rgba(255, 248, 241, 0.92);
}

.agent-mini-stat span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.agent-mini-stat strong {
  display: block;
  margin-top: 8px;
  font-size: 1rem;
}

.agent-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.agent-row__label {
  color: var(--muted);
  font-size: 0.88rem;
}

.agent-row__value {
  line-height: 1.65;
}

.agent-row__value--strong {
  font-weight: 700;
}

.agent-card__footer {
  padding-top: 6px;
  color: #8c5435;
  font-weight: 600;
}

.agents-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 2px 22px;
}

.agents-toolbar__hint {
  color: var(--muted);
  font-size: 0.92rem;
}

.agents-shell--compact {
  padding: 20px 22px 24px;
}

.agents-monitor-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.agents-monitor-source {
  display: grid;
  gap: 6px;
}

.agents-monitor-source strong {
  font-size: 1.02rem;
}

.agents-monitor-source span {
  color: var(--muted);
  font-size: 0.92rem;
}

.agents-monitor-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.agents-monitor-strip__item {
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 250, 243, 0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5f544b;
  font-weight: 600;
}

.agents-worklist {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.agents-worklist__link {
  display: block;
}

.agents-workitem {
  padding: 14px 14px 15px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 250, 243, 0.88);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  min-height: 100%;
}

.agents-workitem:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 40px rgba(76, 45, 25, 0.1);
  border-color: rgba(184, 92, 56, 0.22);
}

.agents-workitem__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.agents-workitem__identity {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
}

.agents-workitem__name-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.agents-workitem__name-row strong {
  font-size: 1rem;
}

.agents-workitem__role {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.88rem;
}

.agents-workitem__metrics {
  display: grid;
  gap: 4px;
  flex-wrap: wrap;
  justify-items: end;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: right;
}

.agents-workitem__task,
.agents-workitem__output {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(93, 68, 53, 0.08);
}

.agents-workitem__label {
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 5px;
}

.agents-workitem__value {
  line-height: 1.6;
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.agents-workitem__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.8rem;
}

.agents-workitem__error {
  margin-top: 7px;
  color: #9f6117;
  font-size: 0.82rem;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 243, 0.9);
  color: var(--muted);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

.filter-chip:hover {
  transform: translateY(-1px);
  border-color: rgba(184, 92, 56, 0.26);
}

.filter-chip--active {
  background: rgba(184, 92, 56, 0.12);
  border-color: rgba(184, 92, 56, 0.32);
  color: #8a472d;
  font-weight: 700;
}

.agent-detail-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 26px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.96), rgba(247, 238, 230, 0.92));
  margin-bottom: 22px;
}

.agent-detail-hero__main {
  min-width: 0;
}

.agent-detail-hero__actions {
  flex: 0 0 auto;
}

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

.agent-detail-section__title {
  margin-bottom: 14px;
  font-size: 1rem;
  font-weight: 700;
}

.agent-detail-list {
  display: grid;
  gap: 12px;
}

.agent-detail-highlight {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(184, 92, 56, 0.08);
  border: 1px solid rgba(184, 92, 56, 0.16);
  font-weight: 600;
}

.agent-detail-note,
.agent-detail-paragraph {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.75;
}

.book-card {
  overflow: hidden;
}

.book-cover {
  aspect-ratio: 3 / 4.3;
  background:
    linear-gradient(180deg, rgba(19, 15, 12, 0.1), rgba(19, 15, 12, 0.36)),
    var(--cover, linear-gradient(135deg, #c06b49, #7c3c26));
  padding: 22px;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.book-cover__chip {
  align-self: flex-start;
  margin-bottom: auto;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.84rem;
}

.book-cover__title {
  margin: 0;
  font-size: 1.45rem;
}

.book-cover__author {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.85);
}

.book-body {
  padding: 18px;
}

.book-body p {
  color: var(--muted);
  line-height: 1.7;
}

.reader-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 0;
  border-radius: 32px;
  overflow: hidden;
  min-height: 76vh;
  margin-bottom: 44px;
}

.reader-sidebar {
  padding: 24px;
  border-right: 1px solid var(--line);
  background: rgba(255, 248, 239, 0.96);
}

.reader-main {
  padding: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.reader-topbar,
.reader-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}

.reader-footer {
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.reader-content {
  padding: 0 24px 28px;
}

.reader-paper {
  width: min(860px, 100%);
  margin: 24px auto 0;
  padding: clamp(24px, 4vw, 54px);
  border-radius: 28px;
  background: #fffdf8;
  border: 1px solid rgba(112, 86, 62, 0.09);
  box-shadow: 0 20px 60px rgba(54, 33, 21, 0.08);
}

.reader-paper h1 {
  margin: 0 0 10px;
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
}

.reader-paper h2 {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 500;
}

.reader-paper p {
  margin: 0 0 1.3em;
  font-size: clamp(1.02rem, 2vw, 1.14rem);
  line-height: 2;
  text-indent: 2em;
}

.reader-stage {
  height: 100vh;
  padding: 0 24px;
  background:
    radial-gradient(circle at top left, rgba(255, 240, 220, 0.3), transparent 28%),
    linear-gradient(180deg, #dcd6ce 0%, #d4cec5 100%);
  overflow: auto;
  display: flex;
  align-items: stretch;
  justify-content: center;
  position: relative;
}

.reader-desktop-layout {
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 78px var(--reader-shell-width, min(980px, calc(100vw - 280px))) 78px;
  gap: 18px;
  align-items: start;
}

.reader-qq-shell {
  width: var(--reader-shell-width, min(980px, calc(100vw - 280px)));
  min-height: 100vh;
  overflow: visible;
}

.reader-mobile-bar,
.reader-catalog-mobile-mask,
.reader-catalog-mobile-sheet {
  display: none;
}

.reader-qq-paper {
  min-height: 100%;
  background: #f7f0e4;
  box-shadow: 0 22px 60px rgba(54, 33, 21, 0.08);
  display: flex;
  flex-direction: column;
  border-radius: 0;
}

.reader-qq-paper--desktop-hidden {
  display: none;
}

.reader-qq-header {
  padding: 44px 72px 26px;
  border-bottom: 1px solid rgba(53, 44, 38, 0.1);
  text-align: center;
}

.reader-qq-header h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.25;
}

.reader-qq-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px 26px;
  margin-top: 18px;
  color: #9c9288;
  font-size: 0.92rem;
}

.reader-qq-content {
  padding: 28px 72px 80px;
  flex: 1 1 auto;
}

.reader-qq-content p {
  margin: 0 0 1.6em;
  color: #2d2621;
  font-size: clamp(1.14rem, 2vw, 1.28rem);
  line-height: 2.35;
  text-indent: 2em;
}

.reader-float {
  position: sticky;
  top: 160px;
  z-index: 15;
  display: grid;
  gap: 10px;
}

.reader-float--left,
.reader-float--right {
  width: 78px;
}

.reader-progress-rail {
  position: fixed;
  top: 0;
  right: 0;
  width: 12px;
  height: 100vh;
  z-index: 16;
  pointer-events: none;
}

.reader-progress-rail__track {
  width: 4px;
  height: calc(100vh - 24px);
  margin: 12px 4px 12px auto;
  border-radius: 999px;
  background: rgba(86, 70, 56, 0.16);
  overflow: hidden;
}

.reader-progress-rail__fill {
  width: 100%;
  height: 0;
  margin-top: auto;
  background: linear-gradient(180deg, #c78255, #a45834);
}

.reader-float__button {
  width: 78px;
  min-height: 78px;
  padding: 12px 10px;
  border: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 26px rgba(40, 28, 20, 0.08);
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 6px;
  color: #5f544b;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease;
}

.reader-float__button:hover {
  transform: translateY(-1px);
  background: rgba(255, 250, 243, 0.98);
}

.reader-float__button strong {
  font-size: 1rem;
}

.reader-float__button span {
  font-size: 0.82rem;
}

.reader-catalog-inline {
  min-height: 100%;
  background: #e1d6c8;
  padding: 28px 40px 36px;
  box-shadow: 0 22px 60px rgba(54, 33, 21, 0.08);
  border-radius: 0;
}

.reader-catalog__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.reader-catalog__header h2 {
  margin: 0;
  font-size: 2rem;
}

.reader-catalog__close {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.reader-catalog__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 26px;
}

.reader-catalog__item {
  display: grid;
  gap: 8px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(91, 71, 56, 0.08);
}

.reader-catalog__item span {
  color: var(--muted);
  font-size: 0.9rem;
}

.reader-catalog__item strong {
  font-size: 1.06rem;
  font-weight: 600;
}

.reader-catalog__item--active {
  color: #ba5f39;
  font-weight: 700;
}

.reader-qq-footer {
  display: grid;
  grid-template-columns: 180px 1fr 1fr;
  gap: 18px;
  padding: 0 72px 48px;
  margin-top: auto;
}

.reader-qq-footer__ghost,
.reader-qq-footer__button {
  min-height: 54px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
}

.reader-qq-footer__ghost {
  background: rgba(198, 141, 108, 0.14);
  color: #9a5e3d;
}

.reader-qq-footer__button {
  background: linear-gradient(180deg, #6ab1ff, #4f8adb);
  color: white;
}

.reader-qq-footer__button--disabled {
  background: rgba(129, 164, 205, 0.34);
  color: rgba(255, 255, 255, 0.86);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 250, 243, 0.92);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.chat-wechat-page {
  min-height: calc(100vh - 74px);
  height: calc(100vh - 74px);
  padding: 0 0 24px;
  overflow: hidden;
  overscroll-behavior: none;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0;
}

.chat-wechat-page-title {
  padding-bottom: 18px;
}

.chat-wechat-shell {
  width: 100%;
  min-height: 0;
  height: 100%;
  border-radius: 30px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(255, 252, 248, 0.9);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
}

.chat-wechat-sidebar {
  padding: 22px 18px;
  border-right: 1px solid var(--line);
  background: rgba(255, 248, 240, 0.92);
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 8px;
}

.chat-wechat-sidebar__title {
  font-size: 1.12rem;
  font-weight: 700;
}

.chat-wechat-sidebar__meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.chat-wechat-member-list {
  display: grid;
  gap: 10px;
  align-content: start;
  overflow: auto;
  padding-right: 4px;
}

.chat-wechat-member {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(91, 71, 56, 0.08);
  background: rgba(255, 255, 255, 0.76);
}

.chat-wechat-member--self {
  background: rgba(184, 92, 56, 0.12);
  border-color: rgba(184, 92, 56, 0.18);
}

.chat-wechat-member__body {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.chat-wechat-member__body strong {
  font-size: 0.96rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-wechat-member__body span {
  color: var(--muted);
  font-size: 0.84rem;
}

.chat-wechat-main {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.chat-wechat-header {
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 248, 240, 0.92);
}

.chat-wechat-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.chat-wechat-header__title {
  font-size: 1.5rem;
  font-weight: 700;
}

.chat-wechat-header__meta {
  margin-top: 6px;
  color: var(--muted);
}

.chat-wechat-header__presence {
  display: none;
}

.chat-wechat-header__avatars {
  display: flex;
  align-items: center;
  gap: 6px;
}

.chat-wechat-header__avatar {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  border: 2px solid rgba(255, 248, 240, 0.96);
  background: rgba(184, 92, 56, 0.16);
  color: #9a583a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
}

.chat-wechat-header__presence-text {
  color: var(--muted);
  font-size: 0.84rem;
}

.chat-wechat-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.chat-wechat-status__text {
  color: var(--muted);
  font-size: 0.92rem;
  white-space: nowrap;
}

.chat-wechat-status__icon {
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(184, 92, 56, 0.12);
  color: #9a583a;
  font-size: 0.72rem;
  font-weight: 700;
}

.chat-wechat-member__avatar,
.chat-wechat-avatar {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(184, 92, 56, 0.16);
  color: #9a583a;
  font-size: 0.88rem;
  font-weight: 700;
}

.chat-wechat-messages {
  padding: 22px 24px;
  display: grid;
  gap: 16px;
  align-content: start;
  overflow: auto;
  min-height: 0;
  background:
    linear-gradient(180deg, rgba(255, 252, 248, 0.94), rgba(250, 245, 238, 0.98));
}

.chat-wechat-empty {
  padding: 18px;
  border-radius: 18px;
  text-align: center;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
}

.chat-wechat-message {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.chat-wechat-message--self {
  justify-content: flex-end;
}

.chat-wechat-avatar--self {
  background: rgba(110, 154, 90, 0.18);
  color: #4f7740;
}

.chat-wechat-message__body {
  max-width: min(620px, 100%);
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
}

.chat-wechat-message__body--image {
  max-width: min(320px, 100%);
}

.chat-wechat-message__name,
.chat-wechat-message__time {
  color: var(--muted);
  font-size: 0.82rem;
}

.chat-wechat-message__name {
  margin-bottom: 6px;
}

.chat-wechat-message__time {
  margin-top: 6px;
}

.chat-wechat-message--self .chat-wechat-message__time {
  text-align: right;
  width: 100%;
}

.chat-wechat-bubble {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  padding: 14px 16px;
  border-radius: 8px 18px 18px 18px;
  background: #ffffff;
  border: 1px solid rgba(91, 71, 56, 0.08);
  box-shadow: 0 8px 18px rgba(45, 31, 22, 0.04);
}

.chat-wechat-message--self .chat-wechat-bubble {
  border-radius: 18px 8px 18px 18px;
  background: #dff2d8;
}

.chat-wechat-bubble__text {
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.chat-wechat-bubble--attachment-only {
  padding: 10px;
}

.chat-wechat-bubble--image {
  padding: 10px;
  max-width: min(320px, 100%);
}

.chat-wechat-file {
  margin-top: 10px;
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.8);
}

.chat-wechat-file--image {
  margin-top: 0;
  padding: 0;
  background: transparent;
  display: inline-grid;
  width: fit-content;
  max-width: 100%;
}

.chat-wechat-file--download {
  min-width: 260px;
}

.chat-wechat-file__image-button {
  display: inline-block;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.chat-wechat-file__image {
  width: min(280px, 100%);
  display: block;
  margin-bottom: 10px;
  border-radius: 12px;
  object-fit: cover;
}

.chat-wechat-file__meta {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.86rem;
}

.chat-wechat-file__link {
  color: inherit;
  text-decoration: none;
  border: 0;
  background: transparent;
  padding: 0;
  text-align: left;
  cursor: pointer;
}

.chat-wechat-file__link strong {
  display: inline-block;
}

.chat-wechat-file__download {
  width: 100%;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: 0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  cursor: pointer;
  text-align: left;
}

.chat-wechat-file__icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(184, 92, 56, 0.14);
  color: #9a583a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  font-weight: 700;
}

.chat-wechat-file__info {
  display: grid;
  gap: 4px;
}

.chat-wechat-file__info span {
  color: var(--muted);
  font-size: 0.82rem;
}

.chat-wechat-composer {
  padding: 16px 18px 18px;
  border-top: 1px solid var(--line);
  background: rgba(249, 244, 236, 0.98);
}

.chat-wechat-composer__tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.chat-wechat-tools-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chat-wechat-composer__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 74px;
  gap: 10px;
  align-items: stretch;
}

.chat-wechat-tool,
.chat-wechat-send {
  min-height: 44px;
  border: 0;
  border-radius: 14px;
}

.chat-wechat-tool {
  background: rgba(255, 255, 255, 0.88);
  cursor: pointer;
  width: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.chat-wechat-tool__icon {
  width: 18px;
  height: 18px;
  display: block;
}

.chat-wechat-send {
  background: #7bb463;
  color: white;
  cursor: pointer;
}

.chat-wechat-input {
  min-height: 44px;
  height: 44px;
  max-height: 120px;
  width: 100%;
  resize: none;
  border: 0;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  padding: 12px 14px;
}

.chat-wechat-tool.is-active {
  background: rgba(123, 180, 99, 0.16);
  color: #467536;
}

.chat-wechat-tool--danger {
  color: #b24a2f;
  background: rgba(214, 108, 77, 0.12);
  font-size: 0;
  position: relative;
}

.chat-wechat-tool--danger::before {
  content: "";
  width: 18px;
  height: 18px;
  display: block;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 18px 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b24a2f' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 4.5h6m-8 3h10m-8.5 0 .6 10.2c.1 1 1 1.8 2 1.8h2.8c1 0 1.9-.8 2-1.8l.6-10.2M10 10.5v5.5M14 10.5v5.5'/%3E%3C/svg%3E");
}

.chat-wechat-emoji-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
}

.chat-wechat-emoji-panel button {
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 12px;
  background: rgba(245, 239, 231, 0.96);
  cursor: pointer;
}

.chat-wechat-error {
  color: #b24a2f;
  font-size: 0.86rem;
}

.chat-wechat-attachment {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 36px;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  margin-bottom: 10px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
}

.chat-wechat-attachment__image {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
}

.chat-wechat-attachment__meta {
  display: grid;
  gap: 4px;
}

.chat-wechat-attachment__meta span {
  color: var(--muted);
  font-size: 0.84rem;
}

.chat-wechat-attachment button {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 10px;
  background: rgba(184, 92, 56, 0.12);
  color: #9a583a;
  cursor: pointer;
}

.chat-wechat-send:disabled {
  opacity: 0.72;
  cursor: default;
}

.chat-wechat-image-viewer {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(14, 12, 10, 0.88);
}

.chat-wechat-image-viewer__image {
  max-width: min(92vw, 980px);
  max-height: 92vh;
  object-fit: contain;
  border-radius: 16px;
}

@media (max-width: 960px) {
  .site-nav {
    display: none;
  }

  .site-menu-button {
    display: inline-flex;
    flex-direction: column;
  }

  .site-drawer,
  .site-drawer-backdrop {
    display: block;
  }

  body.reader-body {
    overflow: hidden;
  }

  .hero,
  .home-sections,
  .chat-layout,
  .reader-layout {
    grid-template-columns: 1fr;
  }

  .chat-sidebar,
  .reader-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

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

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

  .agents-intro,
  .agent-detail-grid {
    grid-template-columns: 1fr;
  }

  .agents-monitor-top {
    flex-direction: column;
    align-items: stretch;
  }

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

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

  .agents-workitem__head {
    flex-direction: column;
    align-items: stretch;
  }

  .agents-workitem__metrics {
    justify-content: flex-start;
  }

  .reader-stage {
    height: 100dvh;
    padding: 72px 0 86px;
    overflow: auto;
    display: block;
    background: var(--reader-page) !important;
  }

  .reader-desktop-layout {
    display: block;
    width: auto;
    max-width: none;
  }

  .reader-qq-shell {
    width: 100% !important;
    min-height: calc(100dvh - 158px);
    overflow: visible;
    background: var(--reader-page);
  }

  .reader-float {
    display: none;
  }

  .reader-progress-rail {
    display: none;
  }

  .reader-catalog__grid,
  .reader-qq-footer {
    grid-template-columns: 1fr;
  }

  .reader-mobile-bar {
    position: fixed;
    left: 0;
    right: 0;
    z-index: 28;
    display: grid;
    gap: 0;
    padding: 10px 14px;
    background: var(--reader-page);
    backdrop-filter: blur(14px);
  }

  .reader-mobile-bar--top {
    top: 0;
    grid-template-columns: 1fr 56px 56px;
    align-items: center;
    border-bottom: 1px solid rgba(91, 71, 56, 0.08);
  }

  .reader-mobile-bar--bottom {
    bottom: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid rgba(91, 71, 56, 0.08);
  }

  .reader-mobile-bar__icon,
  .reader-mobile-bar__action {
    min-height: 42px;
    padding: 0 12px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #54483f;
  }

.reader-mobile-bar__icon {
  font-size: 0.92rem;
  font-weight: 600;
  white-space: nowrap;
}

.reader-mobile-bar__icon--back,
.reader-mobile-bar__icon:first-child {
  justify-content: flex-start;
  padding-left: 4px;
}

  .reader-mobile-bar__action {
    font-size: 0.9rem;
    border-right: 1px solid rgba(91, 71, 56, 0.08);
  }

  .reader-mobile-bar__action:last-child {
    border-right: 0;
  }

  .reader-mobile-bar__action--disabled {
    color: #a99a8d;
  }

  .reader-qq-paper,
  .reader-catalog-inline {
    min-height: calc(100dvh - 158px);
  }

  .reader-qq-paper--desktop-hidden {
    display: flex;
  }

  .reader-qq-paper {
    box-shadow: none;
    background: var(--reader-page) !important;
  }

  .reader-qq-header {
    padding: 28px 20px 18px;
    background: var(--reader-page);
  }

  .reader-qq-content {
    padding: 20px 20px 28px;
    background: var(--reader-page);
  }

  .reader-qq-content p {
    margin-bottom: 1.35em;
    font-size: clamp(1rem, 4vw, 1.12rem);
    line-height: 2.08;
  }

  .reader-catalog-inline {
    padding: 22px 20px 28px;
  }

  .reader-catalog-mobile-mask {
    position: fixed;
    inset: 0;
    display: block;
    background: rgba(28, 21, 16, 0.38);
    z-index: 26;
  }

  .reader-catalog-mobile-mask[hidden] {
    display: none;
  }

  .reader-catalog-mobile-sheet {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: block;
    max-height: min(72dvh, 680px);
    padding: 18px 18px 28px;
    border-radius: 26px 26px 0 0;
    box-shadow: 0 -20px 40px rgba(28, 21, 16, 0.2);
    transform: translateY(102%);
    transition: transform 0.22s ease;
    z-index: 27;
    overflow: auto;
    pointer-events: none;
  }

  .reader-catalog-mobile-sheet.is-open {
    transform: translateY(0);
    pointer-events: auto;
  }

  .reader-catalog-mobile-sheet .reader-catalog__header {
    position: sticky;
    top: 0;
    z-index: 1;
    background: inherit;
  }

  .reader-catalog-inline {
    display: none;
  }

  .reader-catalog__header {
    position: sticky;
    top: 0;
    padding-bottom: 14px;
    background: inherit;
    z-index: 1;
  }

  .reader-qq-footer {
    padding: 0 20px 22px;
    gap: 12px;
  }

  .reader-qq-footer {
    display: none;
  }

  .reader-qq-footer__ghost,
  .reader-qq-footer__button {
    min-height: 48px;
  }

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

@media (max-width: 640px) {
  body.chat-body {
    overflow: hidden;
    position: static;
    width: auto;
    min-height: 100svh;
  }

  .chat-wechat-page {
    padding: 0;
    height: calc(100svh - 74px);
    min-height: calc(100svh - 74px);
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    margin: 0;
    display: grid;
    grid-template-rows: minmax(0, 1fr);
    gap: 0;
    background: #efeae2;
  }

  .chat-wechat-page-title {
    display: none;
  }

  .chat-wechat-shell {
    width: 100%;
    min-height: 0;
    height: 100%;
    border-radius: 0;
    border: 0;
    box-shadow: none;
    background: #efeae2;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr);
  }

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

  .chat-wechat-sidebar {
    display: none;
  }

  .chat-wechat-header {
    padding: 14px 16px 10px;
    background: #f6efe6;
  }

  .chat-wechat-header__row {
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }

  .chat-wechat-header__main {
    min-width: 0;
    flex: 1 1 auto;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
  }

  .chat-wechat-header__title {
    font-size: 1.15rem;
    white-space: nowrap;
  }

  .chat-wechat-header__meta {
    margin-top: 0;
    font-size: 0.78rem;
    white-space: nowrap;
    text-align: right;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .chat-wechat-status {
    display: none;
  }

  .chat-wechat-status__text {
    font-size: 0.84rem;
  }

  .chat-wechat-status__icon {
    min-width: 30px;
    height: 30px;
    padding: 0 8px;
    border-radius: 10px;
  }

  .chat-wechat-messages {
    padding: 14px 12px 18px;
    gap: 12px;
    background: #efeae2;
    overflow: auto;
    min-height: 0;
    padding-bottom: 18px;
  }

  .chat-wechat-header__presence {
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }

  .chat-wechat-header__avatars {
    gap: 8px;
  }

  .chat-wechat-message {
    gap: 8px;
  }

  .chat-wechat-avatar {
    width: 34px;
    height: 34px;
    border-radius: 12px;
  }

  .chat-wechat-message__body {
    max-width: calc(100% - 48px);
  }

  .chat-wechat-bubble {
    padding: 12px 13px;
    border-radius: 6px 16px 16px 16px;
    box-shadow: none;
  }

  .chat-wechat-message--self .chat-wechat-bubble {
    border-radius: 16px 6px 16px 16px;
  }

  .chat-wechat-composer {
    padding: 10px 12px calc(12px + env(safe-area-inset-bottom));
    background: rgba(245, 239, 231, 0.98);
    backdrop-filter: blur(12px);
    z-index: 6;
    margin-top: 0;
    position: relative;
    box-shadow: 0 -10px 26px rgba(49, 34, 22, 0.06);
  }

  .chat-wechat-composer::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: calc(-1 * env(safe-area-inset-bottom));
    height: env(safe-area-inset-bottom);
    background: rgba(245, 239, 231, 0.98);
  }

  .chat-wechat-composer__tools {
    margin-bottom: 8px;
  }

  .chat-wechat-tool,
  .chat-wechat-send {
    min-height: 42px;
  }

  .chat-wechat-tool {
    width: 42px;
    min-width: 42px;
    border-radius: 12px;
  }

  .chat-wechat-composer__row {
    grid-template-columns: minmax(0, 1fr) 72px;
    gap: 8px;
  }

  .chat-wechat-input {
    min-height: 42px;
    height: 42px;
    padding: 10px 12px;
    border-radius: 14px;
  }

  .chat-wechat-emoji-panel {
    padding: 8px;
    border-radius: 16px;
  }

  .chat-wechat-emoji-panel button {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }

  .chat-wechat-attachment {
    grid-template-columns: auto minmax(0, 1fr) 32px;
    padding: 9px 10px;
  }

  .chat-wechat-attachment__image {
    width: 40px;
    height: 40px;
  }

  .chat-wechat-attachment button {
    width: 32px;
    height: 32px;
  }

  .chat-wechat-image-viewer {
    padding: 14px;
  }

  .chat-wechat-image-viewer__image {
    max-width: calc(100vw - 28px);
    max-height: calc(100svh - 28px);
  }

  .site-header {
    position: sticky;
    top: 0;
    background: #fbf6ef;
    backdrop-filter: none;
  }

  .page-shell {
    width: min(100vw - 20px, 100%);
  }

  .site-header__inner {
    padding: 12px 0;
  }

  .site-drawer,
  .site-drawer-backdrop {
    display: block;
  }

  .site-drawer {
    background: transparent;
  }

  .site-drawer__panel {
    margin-left: 0;
    width: 100vw;
    min-width: 0;
    min-height: 100dvh;
    height: 100dvh;
    padding-top: 88px;
    background: #fbf6ef;
    box-shadow: none;
  }

  .site-brand__name {
    color: #241c16;
  }

  .site-menu-button {
    border-color: rgba(60, 42, 27, 0.14);
    background: #fff8f0;
  }

  .hero {
    padding-top: 18px;
    gap: 16px;
  }

  .hero__main,
  .section-card,
  .library-shell,
  .agents-shell,
  .chat-sidebar,
  .chat-toolbar,
  .chat-messages,
  .chat-composer,
  .reader-sidebar,
  .reader-topbar,
  .reader-footer,
  .reader-content {
    padding-left: 16px;
    padding-right: 16px;
  }

  .library-grid {
    grid-template-columns: 1fr;
  }

  .book-card {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
  }

  .book-cover {
    aspect-ratio: auto;
    min-height: 100%;
    padding: 16px;
  }

  .book-cover__title {
    font-size: 1.1rem;
  }

  .agents-grid {
    grid-template-columns: 1fr;
  }

  .agent-stats {
    grid-template-columns: 1fr;
  }

  .agents-monitor-strip {
    grid-template-columns: 1fr;
  }

  .agents-worklist {
    grid-template-columns: 1fr;
  }

  .agents-workitem {
    padding: 14px 14px 16px;
    border-radius: 18px;
  }

  .agents-workitem__identity {
    align-items: flex-start;
  }

  .agents-workitem__name-row {
    gap: 8px;
  }

  .agents-workitem__metrics,
  .agents-workitem__meta {
    gap: 8px 10px;
  }

  .reader-qq-header {
    padding: 24px 16px 16px;
  }

  .reader-qq-header h1 {
    font-size: clamp(1.6rem, 8vw, 2.1rem);
  }

  .reader-qq-meta {
    justify-content: flex-start;
    gap: 8px 14px;
    font-size: 0.84rem;
  }

  .reader-catalog-inline {
    padding: 18px 16px 24px;
  }

  .reader-catalog__header h2 {
    font-size: 1.5rem;
  }

  .reader-qq-footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .agent-quick-grid {
    grid-template-columns: 1fr;
  }

  .agents-toolbar,
  .agent-detail-hero {
    flex-direction: column;
    align-items: stretch;
  }

  .agent-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

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

  .chat-layout {
    border-radius: 24px;
    overflow: hidden;
    background: rgba(255, 250, 243, 0.92);
    margin-bottom: 18px;
  }

  .page-title--compact-mobile {
    padding: 14px 0 10px;
  }

  .page-title--compact-mobile h1 {
    font-size: 2rem;
  }

  .page-title--compact-mobile p {
    display: none;
  }

  .chat-sidebar {
    padding-top: 14px;
    padding-bottom: 12px;
    background: rgba(255, 247, 239, 0.96);
  }

  .presence-list {
    grid-auto-flow: column;
    grid-auto-columns: minmax(180px, 78%);
    overflow-x: auto;
    padding-bottom: 4px;
    scroll-snap-type: x proximity;
  }

  .presence-item {
    min-height: 100%;
    scroll-snap-align: start;
  }

  .chat-main {
    min-height: auto;
    grid-template-rows: auto minmax(0, 1fr) auto;
    background: rgba(255, 250, 243, 0.84);
  }

  .chat-toolbar strong {
    display: block;
    font-size: 1.05rem;
  }

  .chat-toolbar__hint,
  .chat-sidebar__hint {
    display: none;
  }

  .chat-messages {
    padding-top: 14px;
    padding-bottom: 16px;
    max-height: 44vh;
    overflow: auto;
  }

  .message {
    max-width: 100%;
    padding: 12px 14px;
    border-radius: 18px;
  }

  .composer-input-hint {
    font-size: 0.86rem;
    line-height: 1.5;
  }

  .composer-input--drop {
    min-height: 64px;
    border-radius: 18px;
    resize: none;
    padding: 14px 16px;
  }

  .composer-actions--stacked {
    width: 100%;
    height: auto;
    grid-template-columns: minmax(0, 1fr) 92px;
    grid-template-rows: none;
    align-items: stretch;
    gap: 10px;
  }

  .composer-actions--stacked .button {
    min-height: 46px;
    white-space: nowrap;
  }

  .chat-composer {
    position: sticky;
    bottom: 0;
    background: rgba(251, 246, 239, 0.96);
    backdrop-filter: blur(12px);
    box-shadow: 0 -12px 30px rgba(49, 34, 22, 0.08);
  }

  .button {
    width: 100%;
  }

  .hero__actions {
    display: grid;
  }

  .home-sections {
    gap: 16px;
    padding-bottom: 28px;
  }

  .reader-paper {
    padding: 22px 18px;
    border-radius: 22px;
  }

  .site-brand__tag {
    display: none;
  }

  .reader-mobile-bar--top {
    grid-template-columns: 1fr 92px 92px;
  }

  .reader-mobile-bar__icon,
  .reader-mobile-bar__action {
    min-height: 42px;
  }

  .reader-catalog-mobile-sheet {
    max-height: 78dvh;
    padding: 16px 16px 24px;
  }
}