/* 药品目录与说明书平台 · 样式（前台浅色主题 + 后台深色侧边栏，与项目1视觉同族） */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --danger: #dc2626;
  --warn: #d97706;
  --ok: #16a34a;
  --text: #1f2937;
  --text-2: #6b7280;
  --text-3: #9ca3af;
  --bg: #f3f4f6;
  --card: #ffffff;
  --border: #e5e7eb;
  --dark: #1c2333;
  --radius: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; }
a { color: var(--primary); text-decoration: none; }

/* ---------- 通用 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px; justify-content: center;
  padding: 9px 18px; border-radius: 10px; border: 1px solid var(--border);
  background: #fff; color: var(--text); font-size: 14px; font-weight: 500;
  transition: all .15s;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-danger { color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); color: var(--danger); }
.btn-sm { padding: 5px 12px; font-size: 13px; border-radius: 8px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- 前台头部 ---------- */
.home-header {
  position: relative;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%);
  color: #fff; padding: 40px 16px 88px; text-align: center;
}
.admin-entry {
  position: absolute; top: 16px; right: 16px;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 999px;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.35);
  color: #fff; font-size: 13px; font-weight: 500;
  transition: background .15s;
}
.admin-entry:hover { background: rgba(255,255,255,.26); color: #fff; }
@media (max-width: 560px) { .admin-entry { padding: 6px 12px; font-size: 12px; } }
.home-header .logo-badge {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 10px;
  background: rgba(255,255,255,.14); border-radius: 999px; padding: 6px 16px; font-size: 13px;
}
.home-header h1 { font-size: 26px; font-weight: 700; letter-spacing: 1px; }
.home-header p { opacity: .85; font-size: 14px; margin-top: 4px; }
.search-wrap { max-width: 680px; margin: 22px auto 0; position: relative; }
.search-wrap .icon {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; stroke: var(--text-3); fill: none; stroke-width: 2;
}
.search-wrap input {
  width: 100%; padding: 14px 44px 14px 44px; border-radius: 999px; border: none;
  font-size: 16px; box-shadow: 0 8px 24px rgba(30, 58, 138, .25); outline: none;
}
.search-clear {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  border: none; background: #e5e7eb; color: var(--text-2); width: 22px; height: 22px;
  border-radius: 50%; font-size: 12px; line-height: 1; display: none;
}
.search-clear.show { display: block; }

/* ---------- 页签 ---------- */
.tabs-bar { max-width: 960px; margin: -44px auto 0; padding: 0 16px; position: relative; z-index: 1; }
.tabs {
  display: flex; background: #fff; border-radius: 14px; padding: 6px;
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
}
.tab {
  flex: 1; text-align: center; padding: 12px 8px; border: none; background: none;
  font-size: 15px; font-weight: 600; color: var(--text-2); border-radius: 10px;
}
.tab.active { background: var(--primary); color: #fff; }
.tab .cnt { font-size: 12px; font-weight: 400; opacity: .8; margin-left: 4px; }

/* ---------- 筛选栏 ---------- */
.filter-bar {
  max-width: 960px; margin: 12px auto 0; padding: 10px 16px;
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,.03);
}
.filter-row { display: flex; align-items: flex-start; gap: 10px; padding: 5px 0; }
.filter-row + .filter-row { border-top: 1px dashed #eef0f4; }
.flabel {
  flex-shrink: 0; width: 40px; font-size: 12px; color: var(--text-3);
  line-height: 24px;
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; flex: 1; }
.fchip {
  border: 1px solid var(--border); background: #fff; color: var(--text-2);
  font-size: 12.5px; padding: 2px 10px; border-radius: 999px; line-height: 18px;
  transition: all .12s;
}
.fchip i { font-style: normal; font-size: 10.5px; opacity: .55; margin-left: 3px; }
.fchip:hover { border-color: #bfdbfe; color: var(--primary); }
.fchip.active {
  background: var(--primary-light); border-color: #bfdbfe; color: var(--primary); font-weight: 600;
}
.fchip.active i { opacity: .8; }
@media (max-width: 560px) {
  .filter-bar { margin: 10px 12px 0; padding: 8px 12px; }
  .flabel { width: 34px; }
  .fchip { font-size: 12px; padding: 2px 8px; }
}

/* ---------- 列表 ---------- */
.main { max-width: 960px; margin: 0 auto; padding: 20px 16px 60px; }
.list-meta { color: var(--text-2); font-size: 13px; margin-bottom: 12px; }
.cards { display: grid; grid-template-columns: 1fr; gap: 12px; }
.group-head {
  grid-column: 1 / -1; display: flex; align-items: center; gap: 8px;
  margin: 6px 0 -2px; padding: 6px 2px 4px;
  font-size: 13px; font-weight: 600; color: var(--primary);
  border-bottom: 1px dashed var(--border);
}
.group-head i { font-style: normal; font-weight: 400; font-size: 12px; color: var(--text-2); }
@media (min-width: 640px) { .cards { grid-template-columns: 1fr 1fr; } }
.drug-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; cursor: pointer; transition: box-shadow .15s, transform .15s;
  display: flex; flex-direction: column; gap: 6px;
}
.drug-card:hover { box-shadow: 0 6px 20px rgba(37,99,235,.12); transform: translateY(-1px); }
.dc-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.dc-name { font-size: 16px; font-weight: 700; }
.dc-price { color: var(--danger); font-weight: 700; font-size: 15px; white-space: nowrap; }
.dc-price small { font-size: 11px; font-weight: 400; color: var(--text-3); }
.dc-sub { color: var(--text-2); font-size: 13px; }
.dc-effect {
  color: var(--text-2); font-size: 13px; display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.dc-badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge {
  font-size: 11px; padding: 2px 8px; border-radius: 999px; font-weight: 600;
  background: var(--primary-light); color: var(--primary);
}
.badge-green { background: #ecfdf5; color: var(--ok); }
.badge-amber { background: #fffbeb; color: var(--warn); }
.badge-gray { background: #f3f4f6; color: var(--text-2); }
.empty { text-align: center; color: var(--text-3); padding: 60px 0; }
.empty .big { font-size: 44px; margin-bottom: 8px; }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(15,23,42,.5); z-index: 50;
  display: flex; align-items: flex-end; justify-content: center;
}
@media (min-width: 640px) { .modal-mask { align-items: center; } }
.modal {
  background: #fff; border-radius: 16px 16px 0 0; width: 100%; max-width: 640px;
  max-height: 88vh; display: flex; flex-direction: column;
  animation: slide-up .2s ease;
}
@media (min-width: 640px) { .modal { border-radius: 16px; } }
@keyframes slide-up { from { transform: translateY(24px); opacity: .6; } to { transform: none; opacity: 1; } }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.modal-head h3 { font-size: 17px; }
.modal-close { border: none; background: none; font-size: 22px; color: var(--text-3); line-height: 1; }
.modal-body { padding: 18px 20px 24px; overflow-y: auto; }
.dl { display: grid; grid-template-columns: 96px 1fr; gap: 10px 12px; font-size: 14px; }
.dl dt { color: var(--text-3); flex-shrink: 0; }
.dl dd { word-break: break-all; }
.dl .full { grid-column: 1 / -1; }
.site-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.site-chips .chip {
  background: #ecfdf5; color: var(--ok); font-size: 12px; padding: 2px 10px; border-radius: 999px;
}
.price-big { color: var(--danger); font-size: 20px; font-weight: 700; }

/* ---------- 表单（弹窗内） ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }
.field label { display: block; font-size: 12px; color: var(--text-2); margin-bottom: 4px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; outline: none;
}
.field input:focus, .field textarea:focus { border-color: var(--primary); }
.field textarea { resize: vertical; min-height: 60px; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

/* ---------- 后台 ---------- */
.admin-login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-card {
  background: #fff; border-radius: 16px; padding: 32px 28px; width: 100%; max-width: 380px;
  box-shadow: 0 10px 40px rgba(0,0,0,.08);
}
.login-card h2 { font-size: 20px; margin-bottom: 6px; text-align: center; }
.login-card .sub { color: var(--text-2); font-size: 13px; text-align: center; margin-bottom: 20px; }
.login-card input {
  width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 10px;
  font-size: 15px; outline: none; margin-bottom: 12px;
}
.login-card input:focus { border-color: var(--primary); }
.login-card .btn { width: 100%; }
.form-err { color: var(--danger); font-size: 13px; text-align: center; min-height: 20px; margin-bottom: 6px; }

.admin-wrap { display: flex; min-height: 100vh; }
.admin-side {
  width: 200px; background: var(--dark); color: #cbd5e1; padding: 20px 12px;
  display: flex; flex-direction: column; gap: 4px; flex-shrink: 0;
}
.admin-side .brand { font-size: 15px; font-weight: 700; color: #fff; padding: 6px 10px 16px; }
.admin-side .brand small { display: block; color: #64748b; font-weight: 400; font-size: 11px; }
.nav-item {
  display: block; padding: 10px 12px; border-radius: 9px; border: none; background: none;
  color: #cbd5e1; font-size: 14px; text-align: left; width: 100%;
}
.nav-item.active { background: var(--primary); color: #fff; font-weight: 600; }
.nav-item:hover:not(.active) { background: rgba(255,255,255,.08); color: #fff; }
.admin-side .spacer { flex: 1; }
.admin-side .foot { font-size: 12px; color: #64748b; padding: 8px 10px; }

.admin-main { flex: 1; padding: 20px 24px 60px; overflow-x: auto; }
.admin-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.admin-top h2 { font-size: 18px; margin-right: auto; }
.admin-top input[type="search"] {
  padding: 8px 12px; border: 1px solid var(--border); border-radius: 9px; outline: none; width: 220px;
}
.admin-top input[type="search"]:focus { border-color: var(--primary); }

.table-wrap { background: #fff; border: 1px solid var(--border); border-radius: 12px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td.wrap { white-space: normal; min-width: 160px; }
th { color: var(--text-2); font-weight: 600; font-size: 13px; background: #f9fafb; }
tr:hover td { background: #f8faff; }
td .ops { display: flex; gap: 6px; }
.price-cell { color: var(--danger); font-weight: 600; }

.import-box { margin-top: 14px; background: var(--primary-light); border: 1px solid #bfdbfe; border-radius: 12px; padding: 14px 16px; }
.import-box h4 { font-size: 14px; margin-bottom: 6px; color: var(--primary-dark); }
.import-box p { font-size: 13px; color: var(--text-2); }
.import-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }

/* ---------- 提示条 ---------- */
#toast-root { position: fixed; top: 18px; left: 50%; transform: translateX(-50%); z-index: 100; }
.toast {
  background: #111827; color: #fff; padding: 10px 18px; border-radius: 999px;
  font-size: 14px; box-shadow: 0 6px 20px rgba(0,0,0,.25); animation: slide-up .2s ease;
}
.toast.err { background: var(--danger); }

/* ---------- 移动端后台 ---------- */
.menu-toggle { display: none; }
@media (max-width: 720px) {
  .menu-toggle {
    display: inline-flex; position: fixed; left: 12px; bottom: 12px; z-index: 40;
    width: 46px; height: 46px; border-radius: 50%; border: none; background: var(--dark);
    color: #fff; font-size: 20px; box-shadow: 0 4px 14px rgba(0,0,0,.3);
  }
  .admin-wrap { flex-direction: column; }
  .admin-side {
    position: fixed; left: 0; top: 0; bottom: 0; z-index: 45; width: 220px;
    transform: translateX(-100%); transition: transform .2s;
  }
  .admin-side.open { transform: none; }
  .admin-main { padding: 16px 12px 80px; }
  .admin-top input[type="search"] { width: 100%; }
}