:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --bg: #f4f6fa;
  --card: #ffffff;
  --text: #1f2937;
  --text-2: #6b7280;
  --border: #e5e7eb;
  --danger: #dc2626;
  --success: #16a34a;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

[hidden] { display: none !important; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ---------------- 顶栏 ---------------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  background: linear-gradient(120deg, #1e3a8a, #2563eb);
  color: #fff;
  flex-wrap: wrap;
  gap: 12px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo { font-size: 30px; }
.brand h1 { font-size: 20px; font-weight: 700; letter-spacing: 0.5px; }
.subtitle { font-size: 12.5px; opacity: 0.85; margin-top: 2px; }
.topbar-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------------- 按钮 ---------------- */
.btn {
  border: none;
  border-radius: 9px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn-primary { background: #fff; color: var(--primary-dark); }
.btn-primary:hover { background: #eef2ff; transform: translateY(-1px); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.24); }
.btn-danger { background: #fee2e2; color: var(--danger); }
.btn-danger:hover { background: #fecaca; }
.btn-outline {
  background: #fff; color: var(--text-2); border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.icon-btn {
  background: none; border: none; font-size: 18px; cursor: pointer;
  color: var(--text-2); padding: 4px 8px; border-radius: 6px;
}
.icon-btn:hover { background: var(--bg); color: var(--text); }

/* ---------------- 搜索栏 ---------------- */
.searchbar { padding: 18px 28px 6px; }
.search-box {
  display: flex; align-items: center; gap: 10px;
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 12px; padding: 12px 16px;
  box-shadow: var(--shadow);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}
.search-icon { font-size: 18px; }
.search-box input {
  flex: 1; border: none; outline: none; font-size: 15px; background: transparent;
  color: var(--text);
}
.clear-btn {
  background: var(--bg); border: none; width: 26px; height: 26px;
  border-radius: 50%; cursor: pointer; color: var(--text-2); font-size: 12px;
  display: none;
}
.clear-btn:hover { background: #e5e7eb; }

/* ---------------- 布局 ---------------- */
.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  padding: 18px 28px 40px;
  align-items: start;
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { order: 2; }
}

/* ---------------- 侧栏 ---------------- */
.sidebar { position: sticky; top: 16px; display: flex; flex-direction: column; gap: 16px; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat-card {
  background: var(--card); border-radius: var(--radius); padding: 14px;
  box-shadow: var(--shadow); text-align: center;
}
.stat-num { font-size: 24px; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 12px; color: var(--text-2); margin-top: 4px; }

.side-section {
  background: var(--card); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
}
.side-section h3 {
  font-size: 13px; text-transform: uppercase; letter-spacing: 1px;
  color: var(--text-2); margin-bottom: 10px;
}
.filter-list { list-style: none; }
.filter-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 7px 10px; border-radius: 8px; cursor: pointer;
  font-size: 14px; color: var(--text); transition: background 0.12s;
}
.filter-list li:hover { background: var(--primary-light); }
.filter-list li.active { background: var(--primary-light); color: var(--primary-dark); font-weight: 600; }
.filter-list .count { font-size: 12px; color: var(--text-2); background: var(--bg); padding: 1px 8px; border-radius: 10px; }
.filter-list li.active .count { background: #dbeafe; color: var(--primary-dark); }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-chip {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--bg); color: var(--text); font-size: 13px;
  padding: 4px 10px; border-radius: 16px; cursor: pointer;
  border: 1px solid transparent; transition: all 0.12s;
}
.tag-chip:hover { border-color: var(--primary); color: var(--primary-dark); }
.tag-chip.active { background: var(--primary); color: #fff; }
.tag-chip .count { font-size: 11px; opacity: 0.7; }

/* ---------------- 内容区 ---------------- */
.content-head {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 8px; margin-bottom: 14px;
}
.result-info { font-size: 14px; color: var(--text-2); }
.result-info b { color: var(--text); }
.active-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-badge {
  background: var(--primary-light); color: var(--primary-dark);
  padding: 4px 10px; border-radius: 14px; font-size: 12.5px;
  cursor: pointer; font-weight: 600;
}
.filter-badge:hover { background: #dbeafe; }

.record-list { display: flex; flex-direction: column; gap: 12px; }

.record-card {
  background: var(--card); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: var(--shadow); cursor: pointer;
  border: 1px solid transparent; transition: all 0.15s;
}
.record-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-1px); }
.record-title { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.record-title mark, .detail-text mark, .tag-chip mark {
  background: #fde68a; color: inherit; border-radius: 3px; padding: 0 1px;
}
.record-snippet { font-size: 14px; color: var(--text-2); line-height: 1.5; margin-bottom: 10px; }
.record-foot { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cat-badge {
  background: var(--primary-light); color: var(--primary-dark);
  font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 6px;
}
.mini-tag {
  background: var(--bg); color: var(--text-2); font-size: 12px;
  padding: 3px 9px; border-radius: 12px;
}
.meta-time { font-size: 12px; color: #9ca3af; margin-left: auto; }
.meta-colleague { font-size: 12px; color: var(--text-2); }

/* ---------------- 空状态 ---------------- */
.empty { text-align: center; padding: 60px 20px; color: var(--text-2); }
.empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty p { font-size: 15px; }

/* ---------------- 分页 ---------------- */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 24px; }
.page-btn {
  min-width: 34px; height: 34px; padding: 0 10px; border-radius: 8px;
  border: 1px solid var(--border); background: #fff; cursor: pointer;
  font-size: 14px; color: var(--text); transition: all 0.12s;
}
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------------- 模态框 ---------------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(17, 24, 39, 0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; padding: 20px; backdrop-filter: blur(2px);
}
.modal {
  background: var(--card); border-radius: 16px; width: 100%;
  max-width: 640px; max-height: 90vh; display: flex; flex-direction: column;
  box-shadow: var(--shadow-lg); animation: pop 0.18s ease;
}
.modal-lg { max-width: 760px; }
@keyframes pop { from { transform: scale(0.96); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 22px; border-bottom: 1px solid var(--border);
}
.modal-head h2 { font-size: 17px; font-weight: 700; }
.modal-body { padding: 20px 22px; overflow-y: auto; }
.modal-body label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--text-2); margin: 14px 0 6px;
}
.modal-body label:first-child { margin-top: 0; }
.modal-body .req { color: var(--danger); }
.modal-body input, .modal-body textarea {
  width: 100%; border: 1.5px solid var(--border); border-radius: 9px;
  padding: 10px 12px; font-size: 14px; font-family: inherit; color: var(--text);
  outline: none; transition: border-color 0.15s, box-shadow 0.15s;
  resize: vertical; background: #fff;
}
.modal-body input:focus, .modal-body textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.modal-body .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .modal-body .row { grid-template-columns: 1fr; } }
.modal-foot {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 22px; border-top: 1px solid var(--border);
}
/* 弹窗是白底，顶栏那套「白字幽灵按钮」在这里不可见，单独覆盖为浅色系 */
.modal-foot .btn-ghost {
  background: #fff;
  color: var(--text-2);
  border: 1px solid var(--border);
}
.modal-foot .btn-ghost:hover { background: #f3f4f6; color: var(--text); }
.modal-foot .btn-primary {
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
}
.modal-foot .btn-primary:hover { background: var(--primary-dark); }
.modal-foot .btn-danger {
  background: #fff;
  color: var(--danger);
  border: 1px solid #f3c0c0;
}
.modal-foot .btn-danger:hover { background: #fef2f2; }
.spacer { flex: 1; }

/* ---------------- 详情 ---------------- */
.detail-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.detail-block { margin-top: 18px; }
.detail-block h3 { font-size: 14px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.detail-text {
  background: var(--bg); border-radius: 10px; padding: 14px 16px;
  font-size: 14.5px; line-height: 1.7; color: var(--text); white-space: pre-wrap;
  word-break: break-word;
}

/* ---------------- Toast ---------------- */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
  background: #111827; color: #fff; padding: 12px 22px; border-radius: 10px;
  font-size: 14px; box-shadow: var(--shadow-lg); z-index: 200;
  animation: pop 0.2s ease;
}
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }

/* ---------------- 登录页 ---------------- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
  padding: 20px;
}
.login-card {
  background: #fff; border-radius: 18px; padding: 40px 36px;
  width: 100%; max-width: 380px; text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  animation: pop 0.25s ease;
}
.login-logo { font-size: 44px; }
.login-card h1 { font-size: 22px; margin: 12px 0 4px; color: var(--text); }
.login-sub { font-size: 13px; color: var(--text-2); margin-bottom: 24px; }
.login-card input {
  width: 100%; border: 1.5px solid var(--border); border-radius: 10px;
  padding: 12px 14px; font-size: 15px; margin-bottom: 12px; outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.login-card input:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.btn-block { width: 100%; padding: 13px; font-size: 15px; background: var(--primary); color: #fff; }
.btn-block:hover { background: var(--primary-dark); transform: none; }
.login-error { color: var(--danger); font-size: 13px; margin-top: 12px; min-height: 18px; }

/* ---------------- 用户菜单 ---------------- */
.user-menu { position: relative; }
.user-btn { display: flex; align-items: center; gap: 7px; }
.avatar { font-size: 15px; }
.caret { font-size: 11px; opacity: 0.8; }
.user-dropdown {
  position: absolute; right: 0; top: calc(100% + 6px);
  background: #fff; border-radius: 12px; box-shadow: var(--shadow-lg);
  min-width: 180px; overflow: hidden; z-index: 50;
}
.user-role {
  padding: 12px 16px; font-size: 12px; color: var(--text-2);
  border-bottom: 1px solid var(--border); background: var(--bg);
}
.dropdown-item {
  display: block; width: 100%; text-align: left; padding: 11px 16px;
  background: none; border: none; font-size: 14px; color: var(--text);
  cursor: pointer;
}
.dropdown-item:hover { background: var(--primary-light); }
.dropdown-item.danger { color: var(--danger); }
.dropdown-item.danger:hover { background: #fef2f2; }

/* ---------------- 用户管理 ---------------- */
.modal-sm { max-width: 420px; }
.users-add {
  display: grid; grid-template-columns: 1fr 1fr auto auto; gap: 10px; margin-bottom: 16px;
}
.users-add input, .users-add select {
  border: 1.5px solid var(--border); border-radius: 8px; padding: 9px 11px;
  font-size: 14px; outline: none; background: #fff;
}
.users-add input:focus, .users-add select:focus { border-color: var(--primary); }
.users-list { display: flex; flex-direction: column; gap: 8px; max-height: 320px; overflow-y: auto; }
.user-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg); border-radius: 10px; padding: 10px 14px;
}
.user-row .uname { font-weight: 600; font-size: 14px; }
.user-row .utime { font-size: 12px; color: #9ca3af; }
.role-badge {
  font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 12px;
}
.role-badge.admin { background: #fef3c7; color: #b45309; }
.role-badge.viewer { background: #e0e7ff; color: #4338ca; }
.user-row .row-actions { margin-left: auto; display: flex; gap: 6px; }
.mini-btn {
  border: 1px solid var(--border); background: #fff; border-radius: 7px;
  padding: 4px 10px; font-size: 12px; cursor: pointer; color: var(--text-2);
}
.mini-btn:hover { border-color: var(--primary); color: var(--primary); }
.mini-btn.danger:hover { border-color: var(--danger); color: var(--danger); }
@media (max-width: 560px) {
  .users-add { grid-template-columns: 1fr 1fr; }
}