/* ═══════════════════════════════════════════════════════
   贝尔成长中心 · 图书借阅系统 — 现代简约风格
   设计语言：柔和圆角 · 轻量面板 · 纯净留白 · 全响应式
   ═══════════════════════════════════════════════════════ */

/* —— Reset & Base —— */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Brand */
  --c-brand:       #f97316;
  --c-brand-hover: #ea580c;
  --c-brand-light: #fff7ed;
  --c-brand-soft:  #ffedd5;

  /* Neutral */
  --c-bg:          #f8fafc;
  --c-surface:     #ffffff;
  --c-border:      #e8ecf1;
  --c-border-light:#f1f5f9;

  /* Text */
  --c-text:        #1e293b;
  --c-heading:     #0f172a;
  --c-muted:       #64748b;
  --c-subtle:      #94a3b8;

  /* Semantic */
  --c-success:     #22c55e;
  --c-success-bg:  #f0fdf4;
  --c-danger:      #ef4444;
  --c-danger-bg:   #fef2f2;
  --c-warning:     #f59e0b;
  --c-warning-bg:  #fffbeb;
  --c-info:        #3b82f6;
  --c-info-bg:     #eff6ff;

  /* Shape */
  --radius-sm:     8px;
  --radius:        12px;
  --radius-lg:     16px;
  --radius-xl:     24px;

  /* Shadow */
  --shadow-xs:     0 1px 2px rgba(0,0,0,.04);
  --shadow-sm:     0 1px 3px rgba(0,0,0,.05), 0 1px 2px rgba(0,0,0,.04);
  --shadow:        0 4px 12px rgba(0,0,0,.05), 0 1px 3px rgba(0,0,0,.04);
  --shadow-lg:     0 12px 32px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.03);

  /* Layout */
  --max-width:     1120px;
  --header-h:      56px;
}

html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: var(--c-brand); text-decoration: none; transition: color .15s; }
a:hover { color: var(--c-brand-hover); }

img { max-width: 100%; display: block; }

/* —— Container —— */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 480px) {
  .container {
    padding-left: max(18px, env(safe-area-inset-left));
    padding-right: max(18px, env(safe-area-inset-right));
  }
}

/* ════════════════════════════════════════
   Header — 轻量导航栏
   ════════════════════════════════════════ */
.site-header {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(255,255,255,.88);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--c-heading) !important;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 0;
}
.logo:hover { color: var(--c-brand) !important; text-decoration: none; }
.logo-image {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  object-fit: contain;
}
.logo-text { overflow: hidden; text-overflow: ellipsis; }

/* —— Desktop Nav —— */
.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: var(--c-muted);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: color .15s, background .15s;
}
.main-nav a:hover {
  color: var(--c-text);
  background: var(--c-border-light);
  text-decoration: none;
}
.main-nav .admin-link {
  color: var(--c-brand);
  background: var(--c-brand-light);
  margin-left: 4px;
}
.main-nav .admin-link:hover {
  background: var(--c-brand-soft);
}

/* —— Hamburger (mobile) —— */
.nav-toggle {
  display: none;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  border: 0; background: none;
  cursor: pointer;
  color: var(--c-text);
  font-size: 22px;
  border-radius: var(--radius-sm);
  transition: background .15s;
}
.nav-toggle:hover { background: var(--c-border-light); }

@media (max-width: 768px) {
  .logo { max-width: calc(100% - 52px); }
  .logo-image { width: 38px; height: 38px; flex-basis: 38px; }
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow-lg);
    padding: 10px max(18px, env(safe-area-inset-right)) 14px max(18px, env(safe-area-inset-left));
    gap: 0;
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
  }
  .main-nav .admin-link { margin-left: 0; }
}

/* ════════════════════════════════════════
   Hero — 首页入口
   ════════════════════════════════════════ */
.hero {
  background: linear-gradient(150deg, var(--c-brand-light) 0%, #fff 60%);
  border-radius: var(--radius-xl);
  padding: 48px 24px;
  margin: 4px 0 32px;
  text-align: center;
  border: 1px solid var(--c-brand-soft);
}
.hero h1 {
  font-size: 26px;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 8px;
  letter-spacing: 0;
}
.hero p {
  font-size: 15px;
  color: var(--c-muted);
  max-width: 480px;
  margin: 0 auto 20px;
  line-height: 1.6;
}
.hero .search-box {
  display: flex;
  max-width: 480px;
  margin: 0 auto;
  background: var(--c-surface);
  border-radius: 50px;
  border: 1px solid var(--c-border);
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.hero .search-box:focus-within {
  border-color: var(--c-brand);
  box-shadow: 0 0 0 3px rgba(249,115,22,.12);
}
.hero .search-box input {
  flex: 1;
  border: 0; outline: 0;
  padding: 12px 20px;
  font-size: 14px;
  background: transparent;
  color: var(--c-text);
}
.hero .search-box button {
  border: 0;
  background: var(--c-brand);
  color: #fff;
  padding: 0 28px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s;
  white-space: nowrap;
}
.hero .search-box button:hover { background: var(--c-brand-hover); }

@media (max-width: 480px) {
  .hero { padding: 32px 16px; margin-top:0; border-radius: var(--radius-lg); }
  .hero h1 { font-size: 20px; }
  .hero p { font-size: 13px; }
  .hero .search-box input { padding: 10px 14px; font-size: 13px; }
  .hero .search-box button { padding: 0 18px; font-size: 13px; }
}

/* ════════════════════════════════════════
   Section Title
   ════════════════════════════════════════ */
.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 28px 0 14px;
}
.section-title h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-heading);
}
.section-title .more {
  font-size: 13px;
  color: var(--c-brand);
  font-weight: 500;
}
.section-title .more:hover { text-decoration: underline; }

/* ════════════════════════════════════════
   Book Grid & Cards
   ════════════════════════════════════════ */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 16px;
}

.book-card {
  background: var(--c-surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-border);
  transition: transform .2s, box-shadow .2s;
  display: flex;
  flex-direction: column;
}
.book-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.book-cover {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, var(--c-brand-light), var(--c-brand-soft));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.book-cover-fallback {
  font-size: 44px;
  color: var(--c-brand);
  opacity: .4;
}

.book-info {
  padding: 10px 12px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.book-title {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-heading);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
}
.book-author {
  font-size: 11px;
  color: var(--c-subtle);
  margin-bottom: 8px;
}
.book-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--c-border-light);
  color: var(--c-muted);
}
.book-meta .stock { color: var(--c-success); font-weight: 500; }
.book-meta .stock.zero { color: var(--c-danger); }

@media (max-width: 480px) {
  .book-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .book-info { padding: 8px 10px 10px; }
  .book-title { font-size: 12px; }
}

/* ════════════════════════════════════════
   Generic Card
   ════════════════════════════════════════ */
.card {
  background: var(--c-surface);
  border-radius: var(--radius);
  padding: 20px 24px;
  border: 1px solid var(--c-border);
  margin-bottom: 16px;
}
.card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-heading);
  margin-bottom: 12px;
}

@media (max-width: 480px) {
  .card { padding: 16px; }
}

/* ════════════════════════════════════════
   Forms
   ════════════════════════════════════════ */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  margin-bottom: 5px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-muted);
}

.form-control,
input:not([type]),
input[type=text], input[type=password], input[type=email],
input[type=tel], input[type=number], input[type=date],
input[type=url], input[type=search], input[type=time],
select, textarea {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 42px;
  padding: 9px 13px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--c-surface);
  color: var(--c-text);
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
  line-height: 1.5;
}
.form-control:focus,
input:focus, select:focus, textarea:focus {
  border-color: var(--c-brand);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(249,115,22,.12);
}
textarea { resize: vertical; min-height: 80px; }

input::placeholder, textarea::placeholder { color: #a8b2c1; opacity: 1; }
input:disabled, select:disabled, textarea:disabled,
input[readonly], textarea[readonly] {
  background: #f8fafc;
  color: var(--c-muted);
  cursor: not-allowed;
}
input[type=checkbox], input[type=radio] {
  width: 17px;
  height: 17px;
  margin: 0;
  flex: 0 0 17px;
  accent-color: var(--c-brand);
  cursor: pointer;
}
input[type=file] {
  display: block;
  width: 100%;
  max-width: 100%;
  min-height: 42px;
  padding: 6px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: var(--c-surface);
  color: var(--c-muted);
  font: inherit;
  font-size: 13px;
}
input[type=file]::file-selector-button {
  min-height: 28px;
  margin-right: 10px;
  padding: 4px 12px;
  border: 0;
  border-radius: 6px;
  background: var(--c-border-light);
  color: var(--c-text);
  font: inherit;
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-hint {
  font-size: 11px;
  color: var(--c-subtle);
  margin-top: 4px;
}

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════
   Buttons
   ════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 50px;
  border: 0;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  text-decoration: none;
  transition: all .15s;
  line-height: 1.5;
  white-space: nowrap;
}

.btn-primary {
  background: var(--c-brand);
  color: #fff;
}
.btn-primary:hover {
  background: var(--c-brand-hover);
  color: #fff;
  text-decoration: none;
}

.btn-secondary {
  background: var(--c-border-light);
  color: var(--c-text);
}
.btn-secondary:hover {
  background: var(--c-border);
  text-decoration: none;
}

.btn-success    { background: var(--c-success); color: #fff; }
.btn-success:hover { background: #16a34a; color: #fff; text-decoration: none; }

.btn-danger     { background: var(--c-danger); color: #fff; }
.btn-danger:hover  { background: #dc2626; color: #fff; text-decoration: none; }

.btn-warning    { background: var(--c-warning); color: #fff; }
.btn-warning:hover { background: #d97706; color: #fff; text-decoration: none; }

.btn-sm  { padding: 4px 10px; font-size: 11px; border-radius: 20px; }
.btn-block { display: flex; width: 100%; }

/* ════════════════════════════════════════
   Flash Messages
   ════════════════════════════════════════ */
.flash {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
}

.flash-success {
  background: var(--c-success-bg);
  color: #166534;
  border-color: #bbf7d0;
}

.flash-error {
  background: var(--c-danger-bg);
  color: #991b1b;
  border-color: #fecaca;
}

.flash-info {
  background: var(--c-info-bg);
  color: #1e40af;
  border-color: #bfdbfe;
}

/* ════════════════════════════════════════
   Data Table
   ════════════════════════════════════════ */
.data-table {
  width: 100%;
  background: var(--c-surface);
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-border);
  font-size: 13px;
}
.data-table th, .data-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--c-border-light);
}
.data-table th {
  background: #fafbfc;
  font-weight: 600;
  font-size: 12px;
  color: var(--c-muted);
  text-transform: none;
  letter-spacing: 0;
}
.data-table tr:last-child td { border-bottom: 0; }
.data-table tr:hover td { background: #fafbfc; }
.data-table .actions a { margin-right: 6px; font-size: 12px; }

/* —— Responsive Table —— */
@media (max-width: 640px) {
  .data-table { font-size: 12px; }
  .data-table th, .data-table td { padding: 8px 10px; }
}

/* ════════════════════════════════════════
   Badges
   ════════════════════════════════════════ */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.6;
}

.badge-success { background: var(--c-success-bg); color: #166534; }
.badge-danger  { background: var(--c-danger-bg);  color: #991b1b; }
.badge-warning { background: var(--c-warning-bg); color: #92400e; }
.badge-info    { background: var(--c-info-bg);    color: #1e40af; }

/* ════════════════════════════════════════
   Pagination
   ════════════════════════════════════════ */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: center;
  margin: 24px 0;
  flex-wrap: wrap;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px; height: 32px;
  padding: 0 8px;
  border-radius: 20px;
  font-size: 13px;
}
.pagination a {
  background: var(--c-surface);
  color: var(--c-muted);
  border: 1px solid var(--c-border);
}
.pagination a:hover {
  background: var(--c-brand);
  color: #fff;
  border-color: var(--c-brand);
  text-decoration: none;
}
.pagination .cur {
  background: var(--c-brand);
  color: #fff;
  font-weight: 600;
}

/* ════════════════════════════════════════
   Auth Pages (Login / Register)
   ════════════════════════════════════════ */
.auth-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 180px);
  padding: 32px 16px;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow);
}
.auth-card h2 {
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 20px;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 20px;
  gap: 0;
}
.auth-tabs a,
.auth-tabs span {
  flex: 1;
  text-align: center;
  padding: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-muted);
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.auth-tabs a.active,
.auth-tabs span.active {
  color: var(--c-brand);
  border-bottom-color: var(--c-brand);
}
.auth-tabs a:hover { text-decoration: none; }

@media (max-width: 480px) {
  .auth-card { padding: 24px 18px; border-radius: var(--radius); }
}

/* ════════════════════════════════════════
   Footer
   ════════════════════════════════════════ */
.site-footer {
  background: #f1f5f9;
  border-top: 1px solid var(--c-border);
  padding: 24px 0;
  text-align: center;
  margin-top: 56px;
}
.site-footer p {
  margin: 2px 0;
  font-size: 12px;
  color: var(--c-subtle);
}
.site-footer .footer-support { margin-top: 6px; color: var(--c-muted); }

/* ════════════════════════════════════════
   Misc
   ════════════════════════════════════════ */
.main-content { min-height: calc(100vh - 200px); padding-top: 24px; padding-bottom: 40px; }

.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  background: var(--c-surface);
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
}
.filter-bar input, .filter-bar select { max-width: 200px; }
.filter-form { display:flex; gap:10px; flex-wrap:wrap; align-items:center; width:100%; }

@media (max-width: 480px) {
  .main-content { padding-top: 18px; padding-bottom: 32px; }
  .filter-bar { flex-direction: column; padding: 14px; }
  .filter-form { display:grid; grid-template-columns:1fr 1fr; }
  .filter-form input, .filter-form select { grid-column:1 / -1; }
  .filter-bar input, .filter-bar select { max-width: 100%; }
}

.empty {
  text-align: center;
  padding: 56px 20px;
  color: var(--c-subtle);
}
.empty-icon { font-size: 48px; margin-bottom: 10px; opacity: .6; }

/* —— Book Detail —— */
.book-detail {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 8px auto 0;
  padding: 28px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
}
.book-detail-cover .book-cover { border-radius: var(--radius-sm); }
.book-detail-content { min-width: 0; }
.book-detail-content h1 { color:var(--c-heading); font-size:24px; line-height:1.4; margin:8px 0 20px; letter-spacing:0; overflow-wrap:anywhere; }
.book-detail-back { font-size:12px; color:var(--c-muted); }
.book-detail-meta { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 24px; }
.book-detail-meta div { padding:9px 0; border-bottom:1px solid var(--c-border-light); min-width:0; }
.book-detail-meta dt { font-size:11px; color:var(--c-subtle); }
.book-detail-meta dd { font-size:14px; color:var(--c-text); margin-top:2px; overflow-wrap:anywhere; }
.book-summary { margin-top:20px; padding:16px 0; border-top:1px solid var(--c-border); white-space:pre-wrap; font-size:14px; line-height:1.8; color:var(--c-muted); }
.book-detail-note { color:var(--c-subtle); margin-top:16px; font-size:12px; }

@media (max-width: 640px) {
  .book-detail { grid-template-columns: 96px minmax(0,1fr); gap:18px; padding:18px; align-items:start; }
  .book-detail-content h1 { font-size:19px; margin:4px 0 14px; }
  .book-detail-meta { grid-template-columns:1fr; }
  .book-detail-meta div { padding:7px 0; }
  .book-summary { grid-column:1 / -1; }
}

@media (max-width: 420px) {
  .book-detail { grid-template-columns:1fr; }
  .book-detail-cover { width:128px; margin:0 auto; }
  .book-detail-content h1 { text-align:center; }
  .book-detail-back { display:block; text-align:center; }
}

/* —— Notice List —— */
.notice-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.notice-item {
  background: var(--c-surface);
  border-radius: var(--radius);
  padding: 14px 18px;
  border: 1px solid var(--c-border);
  transition: box-shadow .15s;
}
.notice-item:hover { box-shadow: var(--shadow-sm); }
.notice-item .notice-title { font-size: 14px; font-weight: 600; color: var(--c-heading); margin-bottom: 4px; }
.notice-item .notice-date { font-size: 12px; color: var(--c-subtle); }
.notice-content { font-size: 14px; color: var(--c-text); line-height: 1.8; }
.notice-content h3 { font-size: 17px; font-weight: 600; margin-bottom: 12px; color: var(--c-heading); }

/* ════════════════════════════════════════
   Member Center
   ════════════════════════════════════════ */
.member-dashboard { max-width: 980px; margin: 0 auto; }
.member-welcome {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:22px 24px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-left:4px solid var(--c-brand);
  border-radius:var(--radius-sm);
}
.member-welcome-main { display:flex; align-items:center; gap:14px; min-width:0; }
.member-avatar {
  width:52px;
  height:52px;
  flex:0 0 52px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--c-brand);
  color:#fff;
  font-size:20px;
  font-weight:700;
}
.member-identity { min-width:0; }
.member-eyebrow { display:block; color:var(--c-brand); font-size:11px; font-weight:600; }
.member-identity h1 { color:var(--c-heading); font-size:20px; line-height:1.4; margin:2px 0 5px; letter-spacing:0; overflow-wrap:anywhere; }
.member-meta { display:flex; gap:16px; flex-wrap:wrap; color:var(--c-muted); font-size:12px; }
.member-meta strong { color:var(--c-text); }
.member-actions { display:flex; align-items:center; gap:8px; flex:0 0 auto; }

.member-stats { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; margin:16px 0 30px; }
.member-stat { min-width:0; padding:16px 18px; background:var(--c-surface); border:1px solid var(--c-border); border-radius:var(--radius-sm); }
.member-stat.is-alert { border-color:#fecaca; background:var(--c-danger-bg); }
.member-stat-label { color:var(--c-muted); font-size:12px; }
.member-stat-value { color:var(--c-heading); font-size:26px; font-weight:700; line-height:1.25; margin:3px 0; }
.member-stat.is-alert .member-stat-value { color:var(--c-danger); }
.member-stat-note { color:var(--c-subtle); font-size:11px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }

.member-section { margin-top:28px; }
.member-section-head { display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:10px; }
.member-section-head h2 { color:var(--c-heading); font-size:17px; letter-spacing:0; }
.member-section-head span { color:var(--c-subtle); font-size:12px; }
.member-table-wrap { overflow:hidden; background:var(--c-surface); border:1px solid var(--c-border); border-radius:var(--radius-sm); }
.member-table { border:0; border-radius:0; }
.member-table small { color:var(--c-subtle); }
.member-book-title { color:var(--c-heading); font-weight:600; }
.member-empty { padding:40px 20px; background:var(--c-surface); border:1px solid var(--c-border); border-radius:var(--radius-sm); }
.member-empty .btn { margin-top:14px; }

.member-form-card { max-width:680px; margin:8px auto 0; border-radius:var(--radius-sm); }
.member-form-card-narrow { max-width:460px; }
.member-form-head { margin-bottom:22px; }
.member-form-head span { color:var(--c-brand); font-size:11px; font-weight:600; }
.member-form-head h1 { color:var(--c-heading); font-size:21px; line-height:1.4; margin-top:2px; letter-spacing:0; }
.form-actions { display:flex; gap:8px; margin-top:4px; }

.page-heading { margin:4px 0 22px; }
.page-heading span { color:var(--c-brand); font-size:11px; font-weight:600; }
.page-heading h1 { color:var(--c-heading); font-size:22px; line-height:1.4; margin-top:2px; letter-spacing:0; }

@media (max-width: 640px) {
  .member-welcome { align-items:flex-start; flex-direction:column; padding:18px; gap:16px; }
  .member-avatar { width:46px; height:46px; flex-basis:46px; font-size:18px; }
  .member-identity h1 { font-size:18px; }
  .member-meta { gap:5px 14px; }
  .member-actions { display:grid; grid-template-columns:1fr 1fr; width:100%; }
  .member-actions .btn { width:100%; }
  .member-actions .btn, .form-actions .btn { min-height:40px; }
  .member-stats { gap:8px; margin:12px 0 26px; }
  .member-stat { padding:13px 10px; text-align:center; }
  .member-stat-value { font-size:23px; }
  .member-stat-note { font-size:10px; }
  .member-section { margin-top:24px; }
  .member-table-wrap { overflow:visible; border:0; background:transparent; }
  .member-table, .member-table tbody { display:block; background:transparent; border:0; }
  .member-table thead { display:none; }
  .member-table tr { display:block; padding:14px 16px; margin-bottom:10px; background:var(--c-surface); border:1px solid var(--c-border); border-radius:var(--radius-sm); }
  .member-table td { display:flex; align-items:center; justify-content:space-between; gap:16px; width:100%; padding:7px 0; border:0; text-align:right; }
  .member-table td::before { content:attr(data-label); color:var(--c-subtle); font-size:11px; flex:0 0 auto; }
  .member-table td:first-child { display:block; padding:0 0 10px; margin-bottom:3px; text-align:left; border-bottom:1px solid var(--c-border-light); overflow-wrap:anywhere; }
  .member-table td:first-child::before { display:none; }
  .member-table tr:hover td { background:transparent; }
  .member-form-card { margin-top:0; padding:18px; }
  .form-actions { display:grid; grid-template-columns:1fr 1fr; }
  .form-actions .btn { width:100%; }
}

@media (max-width: 380px) {
  .member-stat-label { font-size:11px; }
  .member-stat-note { display:none; }
}