/* 顺顺 · 个人AI名片
   视觉系统：米白底、墨色文字、宋体标题、细线与留白。
   主页与创建页共用同一套字号层级与正文列宽。 */

:root {
  --bg: #fbf9f4;
  --paper: #fffefa;
  --ink: #1b1b19;
  --ink-soft: #46443e;
  --muted: #8b877d;
  --line: #e3dfd4;
  --line-strong: #cec9bb;
  --accent: #1e3c5c;
  --accent-hover: #16304b;
  --chip: #f3f0e8;
  --notice: #8a6a3a;
  --serif: "Songti SC", "STSong", "SimSun", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --latin: Georgia, "Times New Roman", serif;
  --content-width: 1160px;
  --body-size: 14.5px;
  --body-line: 1.9;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--body-size);
  line-height: var(--body-line);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
::selection { background: #dce5ee; }

/* ---------- 顶部导航 ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(251, 249, 244, 0.96);
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(6px);
}
.site-header__inner {
  max-width: var(--content-width); margin: 0 auto; padding: 0 28px;
  height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand__mark { font-family: var(--latin); font-size: 25px; line-height: 1; letter-spacing: -3px; color: var(--accent); }
.brand__name { font-family: var(--serif); font-size: 17px; letter-spacing: 2px; font-weight: 600; }
.brand__divider { width: 1px; height: 16px; background: var(--line-strong); margin: 0 5px; }
.brand__product { font-size: 13px; color: var(--ink-soft); letter-spacing: 1px; }
.site-nav { display: flex; align-items: center; gap: 22px; font-size: 13px; color: var(--ink-soft); }
.site-nav a:hover { color: var(--accent); }
.site-nav .nav-primary { color: var(--accent); border-bottom: 1px solid var(--accent); padding-bottom: 2px; }
.site-nav .nav-user { color: var(--muted); font-size: 12px; }
.site-nav .sep { color: var(--line-strong); }

/* ---------- 通用 ---------- */
.wrap { max-width: var(--content-width); margin: 0 auto; padding: 0 28px; }
.narrow { max-width: 760px; margin: 0 auto; padding: 0 26px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.tiny { font-size: 11px; }
.serif { font-family: var(--serif); }
.latin { font-family: var(--latin); font-style: italic; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }
.pill {
  display: inline-block; padding: 1px 8px; border: 1px solid var(--line-strong);
  border-radius: 2px; font-size: 11px; color: var(--muted); line-height: 1.7;
}
.link-arrow { color: var(--accent); font-size: 12px; white-space: nowrap; }
.link-arrow:hover { text-decoration: underline; }
.link-arrow::after { content: " ↗"; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 18px; border: 1px solid var(--accent); border-radius: 2px;
  background: var(--accent); color: #fff; font-size: 13px; letter-spacing: 1px;
  transition: background .15s, opacity .15s;
}
.btn:hover { background: var(--accent-hover); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn--ghost { background: transparent; color: var(--accent); }
.btn--ghost:hover { background: #eef2f6; }
.btn--plain { background: transparent; border-color: var(--line-strong); color: var(--ink-soft); }
.btn--plain:hover { background: var(--chip); }
.btn--sm { padding: 6px 12px; font-size: 12px; }
.icon-btn {
  border: 0; background: none; color: var(--accent); font-size: 12px; padding: 0;
}
.icon-btn:hover { text-decoration: underline; }

input[type="text"], input[type="email"], textarea, select {
  width: 100%; background: #fff; border: 1px solid var(--line-strong); border-radius: 2px;
  padding: 10px 12px; outline: none; font-size: 14px;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(30,60,92,.09); }
textarea { resize: vertical; min-height: 76px; line-height: 1.7; }
label.field { display: block; margin-bottom: 16px; }
label.field > span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }

.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 14px);
  background: var(--ink); color: #fff; padding: 10px 20px; border-radius: 2px;
  font-size: 13px; opacity: 0; pointer-events: none; transition: .2s; z-index: 100;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 首页 ---------- */
.hero { padding: 92px 0 64px; border-bottom: 1px solid var(--line); }
.hero__eyebrow { font-family: var(--latin); font-style: italic; letter-spacing: 4px; font-size: 12px; color: var(--muted); text-transform: uppercase; }
.hero h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(30px, 4.6vw, 48px); line-height: 1.35; letter-spacing: 2px; margin: 22px 0 18px; }
.hero__lead { max-width: 620px; color: var(--ink-soft); font-size: 15px; line-height: 2; margin: 0 0 30px; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__note { margin-top: 26px; color: var(--muted); font-size: 12px; }
.section { padding: 54px 0; border-bottom: 1px solid var(--line); }
.section__label { font-family: var(--latin); font-style: italic; font-size: 12px; letter-spacing: 3px; color: var(--muted); margin-bottom: 8px; }
.section h2 { font-family: var(--serif); font-size: 25px; font-weight: 600; letter-spacing: 1px; margin: 0 0 26px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
.feature h3 { font-family: var(--serif); font-size: 17px; margin: 0 0 8px; font-weight: 600; }
.feature p { margin: 0; color: var(--ink-soft); font-size: 13.5px; line-height: 1.95; }
.feature__num { font-family: var(--latin); font-style: italic; font-size: 13px; color: var(--muted); display: block; margin-bottom: 10px; }
.demo-card {
  display: flex; gap: 22px; align-items: center; padding: 24px 26px;
  border: 1px solid var(--line); background: var(--paper);
}
.demo-card__avatar { flex: 0 0 76px; }
.demo-card__body { flex: 1; min-width: 0; }
.demo-card__name { font-family: var(--serif); font-size: 21px; font-weight: 600; }
.demo-card__meta { color: var(--muted); font-size: 12.5px; margin: 3px 0 8px; }
.demo-card__desc { font-size: 13.5px; color: var(--ink-soft); line-height: 1.8; }
.site-footer { padding: 34px 0 46px; color: var(--muted); font-size: 12px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer a:hover { color: var(--accent); }

/* ---------- 人物主页 ---------- */
.profile { padding-top: 34px; }
.breadcrumb { font-size: 11px; letter-spacing: 2px; color: var(--muted); margin-bottom: 26px; text-transform: uppercase; }
.profile-grid { display: grid; grid-template-columns: 112px minmax(0, 1fr) 208px; gap: 44px; align-items: start; }

/* 左侧目录 */
.contents { position: sticky; top: 92px; }
.contents__title { font-family: var(--latin); font-size: 11px; letter-spacing: 2px; color: var(--muted); margin-bottom: 4px; }
.contents__cn { font-family: var(--serif); font-size: 14px; letter-spacing: 3px; margin-bottom: 16px; }
.contents ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.contents li a { display: block; padding: 5px 0 5px 12px; margin-left: -1px; border-left: 1px solid transparent; font-size: 12px; color: var(--muted); }
.contents li a:hover, .contents li a.active { color: var(--accent); border-left-color: var(--accent); }

/* 中间正文 */
.profile-main { min-width: 0; }
.profile-head { border-bottom: 1px solid var(--line); padding-bottom: 18px; margin-bottom: 6px; }
.profile-head__row { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.person-name { font-family: var(--serif); font-weight: 600; font-size: clamp(32px, 4vw, 42px); letter-spacing: 4px; line-height: 1.2; margin: 0; }
.person-name-en { font-family: var(--latin); font-style: italic; font-size: 13px; color: var(--muted); margin: 6px 0 12px; }
.person-headline { font-size: 13.5px; color: var(--ink-soft); font-weight: 600; margin: 0 0 10px; }
.person-summary { font-size: 14px; line-height: 1.95; color: var(--ink-soft); margin: 0; max-width: 640px; }
.profile-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.profile-actions .btn { padding: 6px 13px; font-size: 12px; }
.badge-example { display: inline-block; margin-top: 14px; font-size: 11px; color: var(--notice); border: 1px solid #e6dcc6; background: #fbf6ea; padding: 3px 9px; }

.section-block { padding: 18px 0 20px; border-bottom: 1px solid var(--line); scroll-margin-top: 84px; }
.section-block:last-of-type { border-bottom: 0; }
.section-block > h2 { font-family: var(--serif); font-size: 19px; font-weight: 600; letter-spacing: 1px; margin: 0 0 16px; }
.section-block > h2 .en { font-family: var(--latin); font-style: italic; font-size: 11px; color: var(--muted); letter-spacing: 1px; margin-left: 10px; font-weight: 400; }

.basics { display: grid; grid-template-columns: 88px 1fr; column-gap: 18px; row-gap: 0; font-size: 13.5px; }
.basics dt { color: var(--muted); padding: 7px 0; border-bottom: 1px solid #eeeae0; }
.basics dd { margin: 0; padding: 7px 0; border-bottom: 1px solid #eeeae0; color: var(--ink); }
.basics dd.missing { color: var(--muted); font-style: normal; }

.exp-item { margin-bottom: 14px; }
.exp-item__title { font-weight: 600; font-size: 14px; margin: 0 0 3px; }
.exp-item__period { font-size: 11.5px; color: var(--muted); float: right; font-weight: 400; }
.exp-item__desc { color: var(--ink-soft); font-size: 13.5px; margin: 0; }

.venture-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.venture-table td { padding: 8px 0; border-bottom: 1px solid #eeeae0; }
.venture-table td:last-child { text-align: right; color: var(--muted); font-size: 12.5px; }

.viewpoint { margin-bottom: 14px; }
.viewpoint__title { font-weight: 600; font-size: 14px; margin: 0 0 3px; }
.viewpoint__body { color: var(--ink-soft); font-size: 13.5px; margin: 0; }
.viewpoint__source { color: var(--muted); font-size: 11.5px; margin-top: 4px; }

.focus-tags { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 12px; }
.source-list { list-style: none; padding: 0; margin: 0; font-size: 13px; }
.source-list li { padding: 7px 0; border-bottom: 1px solid #eeeae0; color: var(--ink-soft); }
.source-list b { display: inline-block; min-width: 76px; color: var(--ink); font-weight: 600; }

/* 右侧照片旁栏 */
.profile-aside { position: sticky; top: 92px; }
.portrait {
  width: 100%; aspect-ratio: 3 / 4; background: #eeece7;
  border: 1px solid var(--line); display: flex; align-items: center; justify-content: center;
  color: #b7b3a9;
}
.portrait svg { width: 62%; height: 62%; }
.portrait__caption { font-size: 11px; color: var(--muted); text-align: center; margin-top: 8px; }
.aside-block { margin-top: 26px; padding-top: 16px; border-top: 1px solid var(--line); }
.aside-label { font-family: var(--latin); font-size: 10.5px; letter-spacing: 2px; color: var(--muted); margin-bottom: 8px; }
.aside-link { font-size: 12px; color: var(--accent); word-break: break-all; }
.aside-actions { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }

/* 关系区 */
.relation-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.relation-counts { font-size: 12px; color: var(--muted); margin: 0 0 12px; }
.relation-list { list-style: none; padding: 0; margin: 16px 0 0; }
.relation-list li { padding: 10px 0; border-top: 1px solid #eeeae0; font-size: 13px; }
.relation-list .who { color: var(--muted); font-size: 11.5px; margin-right: 8px; }
.relation-form { margin-top: 14px; display: flex; gap: 8px; flex-wrap: wrap; }
.relation-form input { flex: 1 1 260px; }
.login-hint { font-size: 12px; color: var(--notice); background: #fbf6ea; border: 1px solid #e6dcc6; padding: 9px 12px; margin-top: 12px; }

/* 动态：连续文章列表，与正文同列同字号体系 */
.updates-header { padding: 34px 0 0; border-top: 1px solid var(--line-strong); margin-top: 30px; }
.updates-header h2 { font-family: var(--serif); font-size: 27px; font-weight: 600; letter-spacing: 2px; margin: 0 0 6px; }
.updates-header p { color: var(--muted); font-size: 12px; margin: 0 0 18px; }
.update-tabs { display: flex; gap: 20px; border-bottom: 1px solid var(--line); margin-bottom: 4px; }
.update-tabs button { border: 0; background: none; padding: 8px 0 10px; font-size: 12.5px; color: var(--muted); border-bottom: 2px solid transparent; }
.update-tabs button.active { color: var(--ink); border-bottom-color: var(--accent); }
.update-list { margin: 0; }
.update-item { padding: 20px 0 22px; border-bottom: 1px solid var(--line); }
.update-item__meta { font-size: 11.5px; color: var(--muted); letter-spacing: .5px; margin-bottom: 7px; }
.update-item__meta .tag-example { color: var(--notice); }
.update-item__title { font-family: var(--serif); font-size: 17px; font-weight: 600; letter-spacing: .5px; margin: 0 0 7px; line-height: 1.55; }
.update-item__excerpt { font-size: 13.5px; color: var(--ink-soft); margin: 0 0 12px; line-height: 1.85; }
.update-item__thumb { width: 100%; max-width: 220px; aspect-ratio: 16/7; background: linear-gradient(160deg,#e7e4dc,#cfcbc1); margin: 0 0 12px; }
.update-item__foot { display: flex; justify-content: space-between; gap: 12px; font-size: 11.5px; color: var(--muted); }
.update-more { text-align: center; padding: 26px 0 10px; }
.update-empty { padding: 30px 0; color: var(--muted); font-size: 13px; }

/* 手机底部操作条 */
.mobile-bar { display: none; }

/* ---------- 创建页 ---------- */
.create-page { max-width: 760px; margin: 0 auto; padding: 46px 26px 150px; }
.create-head { text-align: center; border-bottom: 1px solid var(--line); padding-bottom: 26px; margin-bottom: 4px; }
.create-head__eyebrow { font-family: var(--latin); font-style: italic; letter-spacing: 4px; font-size: 11.5px; color: var(--muted); }
.create-head h1 { font-family: var(--serif); font-size: clamp(27px, 4.4vw, 38px); font-weight: 600; letter-spacing: 2px; margin: 14px 0 10px; }
.create-head p { color: var(--ink-soft); font-size: 13.5px; margin: 0; }
.create-head__note { color: var(--muted); font-size: 11.5px; margin-top: 10px !important; }

.chat { padding: 26px 0 10px; }
.msg { margin-bottom: 22px; }
.msg__who { display: flex; align-items: center; gap: 7px; font-size: 11.5px; color: var(--accent); margin-bottom: 7px; }
.msg__who .mark { font-family: var(--latin); font-size: 17px; letter-spacing: -2px; }
.msg__body { white-space: pre-wrap; font-size: 14px; line-height: 1.95; color: var(--ink); padding-left: 22px; border-left: 1px solid var(--line); }
.msg--user { display: flex; flex-direction: column; align-items: flex-end; }
.msg--user .msg__body {
  background: #f2efe7; border: 0; border-radius: 4px; padding: 11px 15px;
  max-width: 88%; color: var(--ink); font-size: 13.5px; line-height: 1.8;
}
.msg--assistant .msg__body { max-width: 100%; }
.msg__body .dev-code { font-weight: 600; color: var(--accent); letter-spacing: 2px; }

.preview-card { margin: 12px 0 4px 0; padding: 20px 22px; border: 1px solid var(--line); background: var(--paper); }
.preview-card__top { display: flex; gap: 16px; align-items: center; }
.preview-card__avatar { flex: 0 0 58px; }
.preview-card__avatar svg { width: 58px; height: 58px; }
.preview-card__name { font-family: var(--serif); font-size: 22px; font-weight: 600; line-height: 1.2; }
.preview-card__en { font-family: var(--latin); font-style: italic; font-size: 12px; color: var(--muted); }
.preview-card__headline { font-size: 12.5px; color: var(--ink-soft); margin-top: 5px; }
.preview-card__focus { font-size: 12px; color: var(--muted); margin-top: 3px; }
.preview-card__status { text-align: right; font-size: 11px; color: var(--muted); margin-left: auto; align-self: flex-start; }
.preview-card__links { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--line); display: flex; gap: 20px; font-size: 12px; }
.preview-card__links a { color: var(--accent); }
.preview-card__links a:hover { text-decoration: underline; }
.preview-card__missing { margin-top: 12px; font-size: 11.5px; color: var(--notice); }

.chat-quick { display: flex; gap: 8px; flex-wrap: wrap; padding: 4px 0 20px 22px; }
.quick-chip { border: 1px solid var(--line-strong); background: var(--paper); border-radius: 2px; padding: 5px 11px; font-size: 12px; color: var(--ink-soft); }
.quick-chip:hover { border-color: var(--accent); color: var(--accent); }

.composer {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  background: rgba(251,249,244,.97); border-top: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.composer__inner { max-width: 760px; margin: 0 auto; padding: 14px 26px 12px; }
.composer__box { display: flex; gap: 8px; }
.composer__box input { flex: 1; padding: 13px 14px; font-size: 14px; }
.composer__send { flex: 0 0 48px; border: 0; border-radius: 2px; background: var(--accent); color: #fff; font-size: 18px; }
.composer__send:hover { background: var(--accent-hover); }
.composer__send[disabled] { opacity: .45; }
.composer__hint { display: flex; justify-content: space-between; gap: 12px; font-size: 11px; color: var(--muted); margin-top: 8px; }
.composer__hint a:hover { color: var(--accent); }
.published-box { border: 1px solid var(--line-strong); background: #f6f3eb; padding: 16px 18px; margin: 8px 0 4px 22px; }
.published-box__link { font-family: var(--latin); font-size: 14px; color: var(--accent); word-break: break-all; }
.published-box__actions { margin-top: 12px; display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- 登录 / 管理 ---------- */
.auth-page { max-width: 520px; margin: 0 auto; padding: 66px 24px 90px; }
.auth-page h1 { font-family: var(--serif); font-size: 30px; font-weight: 600; letter-spacing: 2px; margin: 0 0 10px; text-align: center; }
.auth-page__lead { text-align: center; color: var(--ink-soft); font-size: 13.5px; margin: 0 0 30px; }
.auth-card { border: 1px solid var(--line); background: var(--paper); padding: 26px; }
.auth-step { font-family: var(--latin); font-style: italic; color: var(--muted); font-size: 12px; letter-spacing: 2px; margin-bottom: 12px; }
.auth-msg { font-size: 13.5px; line-height: 1.9; margin: 0 0 16px; white-space: pre-wrap; }
.auth-actions { margin-top: 14px; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }

.me-grid { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; padding: 40px 0 80px; }
.me-panel { border-top: 1px solid var(--line-strong); padding-top: 20px; margin-bottom: 34px; }
.me-panel h2 { font-family: var(--serif); font-size: 20px; font-weight: 600; margin: 0 0 4px; }
.me-panel > p { color: var(--muted); font-size: 12px; margin: 0 0 18px; }
.me-panel .row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-grid .full { grid-column: 1 / -1; }
.me-card-link { font-family: var(--latin); font-size: 15px; color: var(--accent); word-break: break-all; }
.me-list { list-style: none; padding: 0; margin: 0; }
.me-list li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13px; display: flex; justify-content: space-between; gap: 10px; }
.me-list .meta { color: var(--muted); font-size: 11.5px; }
.empty-state { color: var(--muted); font-size: 13px; padding: 14px 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 1040px) {
  .profile-grid { grid-template-columns: 96px minmax(0, 1fr) 175px; gap: 28px; }
  .me-grid { grid-template-columns: 1fr; gap: 0; }
}
@media (max-width: 860px) {
  .profile-grid { display: block; }
  .contents { position: static; margin-bottom: 24px; }
  .contents ul { display: flex; flex-wrap: wrap; gap: 4px 14px; border-left: 0; }
  .contents li a { padding: 3px 0; border-left: 0; }
  .contents li a:hover, .contents li a.active { border-left: 0; text-decoration: underline; }
  .contents__title, .contents__cn { display: none; }
  .profile-aside { position: static; margin-top: 30px; display: grid; grid-template-columns: 140px 1fr; gap: 20px; align-items: start; }
  .portrait { aspect-ratio: 3/4; }
  .portrait__caption { display: none; }
  .aside-block { margin-top: 0; padding-top: 0; border-top: 0; }
  .feature-grid { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 620px) {
  .wrap, .site-header__inner { padding-left: 18px; padding-right: 18px; }
  .site-header__inner { height: auto; min-height: 56px; flex-wrap: wrap; gap: 4px 10px; padding-top: 9px; padding-bottom: 9px; }
  .brand__mark { font-size: 21px; }
  .brand__name { font-size: 15px; letter-spacing: 1px; }
  .brand__product { font-size: 11.5px; letter-spacing: 0; }
  .brand__divider { margin: 0 2px; }
  .site-nav { gap: 12px; font-size: 11.5px; flex-wrap: wrap; }
  .site-nav a[href="/#directory"] { display: none; }
  .site-nav .nav-user, .site-nav .sep { display: none; }
  .person-summary { overflow-wrap: anywhere; }
  .exp-item__period { float: none; display: inline-block; margin-left: 8px; }
  .venture-table { table-layout: fixed; }
  .venture-table td { word-break: break-word; }
  .mobile-bar { width: 100%; box-sizing: border-box; }
  .mobile-bar button { min-width: 0; }
  .hero { padding: 58px 0 44px; }
  .hero h1 { letter-spacing: 1px; }
  .profile { padding-top: 22px; }
  .person-name { letter-spacing: 2px; }
  .profile-head__row { flex-direction: column; }
  .profile-aside { display: block; }
  .profile-aside .portrait { width: 118px; }
  .aside-block { margin-top: 18px; }
  .basics { grid-template-columns: 78px 1fr; font-size: 13px; }
  .section-block > h2 { font-size: 18px; }
  .updates-header h2 { font-size: 23px; }
  .update-tabs { gap: 14px; overflow-x: auto; }
  .create-page { padding: 30px 18px 160px; }
  .composer__inner { padding: 10px 18px 10px; }
  .form-grid { grid-template-columns: 1fr; }
  .demo-card { flex-direction: column; align-items: flex-start; }
  .mobile-bar {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 35;
    border-top: 1px solid var(--line); background: rgba(251,249,244,.97);
    padding: 9px 16px calc(9px + env(safe-area-inset-bottom)); gap: 10px;
  }
  .mobile-bar button { flex: 1; padding: 9px 6px; border: 1px solid var(--line-strong); background: var(--paper); font-size: 12px; color: var(--accent); border-radius: 2px; }
  .mobile-bar button.solid { background: var(--accent); color: #fff; border-color: var(--accent); }
  .profile { padding-bottom: 72px; }
}