/* ============================================================
   家书 FamilyBook · 界面样式
   配色取自图标：宣纸米 / 砖红封面 / 深褐书脊 / 纸白
   原则：扁平、留白充足、字重克制（正文 400，标题 500-600）
   ============================================================ */

:root {
  --paper:    #F7F3EA;
  --surface:  #FFFFFF;
  --ink:      #2C231D;
  --muted:    #7E6B5A;
  --faint:    #A8988A;
  --brand:    #A84A28;
  --brand-2:  #C96F45;
  --brand-ink:#6E3820;
  --green:    #6F9E5C;
  --red:      #C0533F;
  --line:     rgba(44, 35, 29, .10);
  --line-2:   rgba(44, 35, 29, .06);
  --radius:   16px;
  --radius-s: 10px;
  --shadow:   0 1px 2px rgba(44, 35, 29, .05);
  --shadow-l: 0 4px 16px rgba(44, 35, 29, .08);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 15px/1.7 -apple-system, BlinkMacSystemFont, "PingFang SC",
        "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------------- 顶栏 ---------------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
  height: 60px; display: flex; align-items: center; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 8px; display: block; }
.brand span { font-size: 16px; font-weight: 600; letter-spacing: .5px; }

.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav a {
  padding: 6px 12px; border-radius: 999px; color: var(--muted);
  font-size: 14px;
}
.nav a:hover { background: var(--line-2); text-decoration: none; }
.nav a.on { background: var(--brand); color: #fff; }

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.who { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; }
.who img { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; }
.link-quiet { color: var(--muted); font-size: 14px; }
.link-quiet:hover { color: var(--brand); }

/* 顶栏里的文字一律不许换行 —— 一换行就是「首/页」「名/册」竖排，很难看 */
.nav a, .topbar-right a, .who-name { white-space: nowrap; }

/* ---------------- 布局 ---------------- */
.container { max-width: 1080px; margin: 0 auto; padding: 28px 24px 64px; }
.container-narrow { max-width: 560px; margin: 0 auto; padding: 28px 24px 64px; }

.page-head { display: flex; align-items: flex-end; gap: 16px; margin-bottom: 20px; }
.page-head h1 { font-size: 22px; font-weight: 600; margin: 0; }
.page-head .sub { color: var(--muted); font-size: 14px; }
.page-head .actions { margin-left: auto; display: flex; gap: 8px; }

.section { margin-top: 28px; }
.section-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 15px; font-weight: 600; margin: 0 0 12px;
}
.section-title .hint { font-weight: 400; color: var(--muted); font-size: 13px; }

/* ---------------- 卡片 ---------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-pad { padding: 20px; }

/* 首页头图 */
.hero {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 26px 28px;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
}
.hero-logo { width: 64px; height: 64px; border-radius: 16px; flex: 0 0 auto; }
.hero h1 { font-size: 24px; font-weight: 600; margin: 0 0 4px; }
.hero .motto { color: var(--muted); margin: 0; font-size: 14px; }
.hero-stats { margin-left: auto; display: flex; gap: 28px; }
.stat { text-align: center; }
.stat b { display: block; font-size: 24px; font-weight: 600; line-height: 1.2; }
.stat span { font-size: 12px; color: var(--muted); }

/* ---------------- 成员卡 ---------------- */
.people-grid {
  display: grid; gap: 16px; margin-top: 4px;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
}
.person {
  display: block; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .15s ease, box-shadow .15s ease;
}
.person:hover { transform: translateY(-2px); box-shadow: var(--shadow-l); text-decoration: none; }
.person .ph {
  background: #F1E7D6; aspect-ratio: 1 / 1; overflow: hidden;
}
.person .ph img { width: 100%; height: 100%; object-fit: cover; display: block; }
.person .pb { padding: 12px 14px 14px; }
.person .pname { font-weight: 600; font-size: 15px; display: flex; align-items: center; gap: 6px; }
.person .pmeta { color: var(--muted); font-size: 13px; margin-top: 2px; }

.badge {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 500; line-height: 1.7;
  background: var(--line-2); color: var(--muted);
}
.badge-admin { background: #F6E3D7; color: var(--brand-ink); }
.badge-open  { background: #E6F0DC; color: #4A7226; }

/* 生日条 */
.bdays { display: flex; gap: 12px; flex-wrap: wrap; }
.bday {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 16px 6px 6px; box-shadow: var(--shadow);
}
.bday img { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; }
.bday b { font-weight: 500; }
.bday .d { color: var(--brand); font-size: 13px; }

/* ---------------- 表单 ---------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; color: var(--muted); font-weight: 500; }
.field .tip { font-size: 12px; color: var(--muted); }
.input, .select, textarea.input {
  width: 100%; padding: 10px 12px; font: inherit; font-size: 14px;
  color: var(--ink); background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius-s);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.input:focus, .select:focus, textarea.input:focus {
  outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(168, 74, 40, .12);
}
textarea.input { min-height: 76px; resize: vertical; }
.err { color: var(--red); font-size: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px; font: inherit; font-size: 14px; font-weight: 500;
  border-radius: var(--radius-s); border: 1px solid transparent; cursor: pointer;
  background: var(--brand); color: #fff; transition: background .15s ease;
}
.btn:hover { background: #944022; text-decoration: none; }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: #FAF7F1; }
.btn-danger { background: #fff; color: var(--red); border-color: rgba(192,83,63,.35); }
.btn-danger:hover { background: #FDF1EE; }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-row { display: flex; gap: 10px; margin-top: 20px; }

/* ---------------- 详情 ---------------- */
.detail { display: grid; grid-template-columns: 260px 1fr; gap: 24px; }
.detail-photo {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px; text-align: center;
  box-shadow: var(--shadow);
}
.detail-photo img {
  width: 100%; aspect-ratio: 1/1; object-fit: cover;
  border-radius: 12px; display: block;
}
.detail-photo .name { font-size: 18px; font-weight: 600; margin: 14px 0 4px; }
.detail-photo .sub { color: var(--muted); font-size: 13px; }

.kv { display: flex; flex-direction: column; }
.kv-row {
  display: grid; grid-template-columns: 96px 1fr; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid var(--line-2);
}
.kv-row:last-child { border-bottom: 0; }
.kv-row dt { color: var(--muted); font-size: 13px; }
.kv-row dd { margin: 0; font-size: 14px; word-break: break-all; }
.mono { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; letter-spacing: .5px; }

/* ---------------- 提示 ---------------- */
.flash { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.flash-item {
  padding: 10px 14px; border-radius: var(--radius-s); font-size: 14px;
  background: #E6F0DC; color: #3D6B1F;
}
.flash-item.err { background: #F8DDDA; color: #A1341F; }

.empty {
  background: var(--surface); border: 1px dashed var(--line);
  border-radius: var(--radius); padding: 40px 20px; text-align: center;
  color: var(--muted);
}
.empty b { display: block; color: var(--ink); font-weight: 500; margin-bottom: 4px; }

/* ---------------- 登录 / 安装 ---------------- */
.auth-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 40px 20px;
}
.auth-card {
  width: 100%; max-width: 400px; background: var(--surface);
  border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow-l);
  padding: 32px;
}
.auth-card .logo { width: 56px; height: 56px; border-radius: 14px; margin-bottom: 14px; }
.auth-card h1 { font-size: 20px; font-weight: 600; margin: 0 0 4px; }
.auth-card .lead { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
.auth-card .btn { width: 100%; margin-top: 20px; }
.auth-foot { margin-top: 18px; font-size: 13px; color: var(--muted); text-align: center; }

/* ---------------- 其他 ---------------- */
.muted { color: var(--muted); }
.small { font-size: 13px; }
.nowrap { white-space: nowrap; }
.search { display: flex; gap: 8px; margin-bottom: 16px; }
.search .input { max-width: 260px; }

@media (max-width: 720px) {
  /* 390px 宽度放不下整套顶栏：只留 图标 + 导航 + 头像 + 退出 */
  .topbar-inner { gap: 8px; padding: 0 12px; height: 54px; }
  .brand img { width: 26px; height: 26px; }
  .nav { gap: 0; }
  .nav a { padding: 6px 9px; font-size: 14px; }
  .topbar-right { gap: 8px; }
  .who-name, .who-pwd { display: none; }  /* 名字与「改密码」收起，设置页里都有 */
  .who img { width: 26px; height: 26px; }
  .container, .container-narrow { padding: 20px 16px 48px; }
  .form-grid { grid-template-columns: 1fr; }
  .detail { grid-template-columns: 1fr; }
  .hero { padding: 20px; gap: 14px; }
  .hero h1 { font-size: 20px; }
  .hero-stats { margin-left: 0; gap: 20px; }
  .page-head { flex-wrap: wrap; align-items: center; }
  .page-head .actions { margin-left: 0; width: 100%; }
  .kv-row { grid-template-columns: 84px 1fr; }
  .search { flex-wrap: wrap; }
  .search .input { max-width: none; flex: 1 1 auto; }
}