/* ============ Limitation 管理系统 - 全局样式 ============ */
:root {
  --primary: #3b6ef6;
  --primary-dark: #2b56d4;
  --primary-light: #eaf0ff;
  --sidebar-bg: #10182e;
  --sidebar-text: #a8b4cd;
  --bg: #f4f6fb;
  --panel: #ffffff;
  --border: #e3e8f2;
  --text: #1f2940;
  --text-sub: #6b7690;
  --warn: #e8862d;
  --warn-bg: #fdf1e4;
  --ok: #2eaa6b;
  --ok-bg: #e6f7ee;
  --temp: #3b6ef6;
  --temp-bg: #eaf0ff;
  --perm: #9a5cf0;
  --perm-bg: #f2ebfd;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 24, 46, .06), 0 4px 14px rgba(16, 24, 46, .05);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; }

.hidden { display: none !important; }

/* ============ 布局 ============ */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 224px; flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 20px 18px 16px; border-bottom: 1px solid rgba(255,255,255,.07); }
.brand-logo {
  width: 38px; height: 38px; border-radius: 9px;
  background: linear-gradient(135deg, #4f7cff, #2b56d4);
  color: #fff; font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
}
.brand-title { color: #fff; font-weight: 600; font-size: 14px; }
.brand-sub { font-size: 11px; opacity: .55; margin-top: 2px; }

.nav { flex: 1; padding: 14px 10px; display: flex; flex-direction: column; gap: 2px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; border: none; background: none;
  color: var(--sidebar-text); font-size: 13.5px; border-radius: 8px;
  text-align: left; transition: background .15s, color .15s;
}
.nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-item.active { background: rgba(79,124,255,.18); color: #fff; }
.nav-icon { width: 18px; text-align: center; font-size: 14px; }
.nav-badge {
  margin-left: auto; background: rgba(255,255,255,.14);
  color: #fff; font-size: 11px; padding: 1px 8px; border-radius: 20px;
}

.sidebar-footer { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,.07); }
.env-tag {
  display: inline-block; font-size: 11px; padding: 2px 10px;
  background: rgba(232,134,45,.16); color: #f0a35c; border-radius: 20px;
}
.env-hint { font-size: 11px; opacity: .5; margin-top: 6px; line-height: 1.5; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

/* ============ 顶栏 ============ */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px; background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.page-sub { display: block; font-size: 12px; color: var(--text-sub); margin-top: 3px; }
.topbar-right { display: flex; gap: 10px; }

.content { padding: 24px 28px 48px; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px; border-radius: 8px; border: 1px solid transparent;
  font-size: 13.5px; font-weight: 500; transition: all .15s;
}
.btn-icon { font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: var(--panel); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 5px 12px; font-size: 12.5px; }
.btn-lg { padding: 11px 26px; font-size: 14px; }

/* ============ 卡片 ============ */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.card {
  background: var(--panel); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 20px 22px; border: 1px solid var(--border);
}
.card-label { font-size: 12.5px; color: var(--text-sub); }
.card-value { font-size: 30px; font-weight: 700; margin: 8px 0 4px; letter-spacing: -.5px; }
.card-value.small { font-size: 24px; }
.card-value.warn { color: var(--warn); }
.card-value.ok { color: var(--ok); }
.card-trend { font-size: 12px; color: var(--text-sub); }

.panel {
  background: var(--panel); border-radius: var(--radius); box-shadow: var(--shadow);
  border: 1px solid var(--border); margin-bottom: 20px; overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--border);
}
.panel-head h3 { font-size: 14.5px; }
.panel-hint { font-size: 12px; color: var(--text-sub); }
.panel-body { padding: 18px 20px; }
.panel-form { max-width: 860px; }
.panel-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ============ 表格 ============ */
.table-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; }
.tbl th {
  text-align: left; font-size: 12px; color: var(--text-sub); font-weight: 600;
  padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
.tbl td { padding: 10px 12px; border-bottom: 1px solid #eef1f7; font-size: 13px; vertical-align: top; }
.tbl tbody tr:last-child td { border-bottom: none; }
.tbl-hover tbody tr:hover { background: #f7f9fe; }
.cell-desc { max-width: 320px; }
.cell-sub { max-width: 130px; color: var(--text-sub); font-size: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 标签 */
.tag { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; white-space: nowrap; }
.tag-temp { background: var(--temp-bg); color: var(--temp); }
.tag-perm { background: var(--perm-bg); color: var(--perm); }
.tag-working { background: var(--warn-bg); color: var(--warn); }
.tag-close { background: var(--ok-bg); color: var(--ok); }
.tag-src { background: #eef1f7; color: var(--text-sub); }

/* 状态切换 */
.status-toggle {
  border: none; border-radius: 20px; padding: 3px 12px; font-size: 12px; cursor: pointer; transition: all .15s;
}
.status-toggle.toggle-working { background: var(--warn-bg); color: var(--warn); }
.status-toggle.toggle-working:hover { background: #fbe3c8; }
.status-toggle.toggle-close { background: var(--ok-bg); color: var(--ok); }
.status-toggle.toggle-close:hover { background: #cdeeda; }

.row-actions { display: flex; gap: 6px; }
.mini-btn {
  border: 1px solid var(--border); background: var(--panel); color: var(--text-sub);
  border-radius: 6px; font-size: 12px; padding: 3px 8px;
}
.mini-btn:hover { color: var(--primary); border-color: var(--primary); }

/* ============ 筛选栏 ============ */
.filter-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.search-box {
  display: flex; align-items: center; gap: 8px; background: var(--panel);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 14px; min-width: 320px;
}
.search-box input { border: none; outline: none; flex: 1; background: none; }
.search-icon { color: var(--text-sub); }
.select {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 12px; color: var(--text); outline: none;
}
.select:focus { border-color: var(--primary); }
.filter-count { color: var(--text-sub); font-size: 12.5px; margin-left: auto; }

/* ============ 表单 ============ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-item.full { grid-column: 1 / -1; }
.form-item label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 6px; }
.req { color: #e5484d; }
.form-item input, .form-item select, .form-item textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border);
  border-radius: 8px; outline: none; background: var(--panel); color: var(--text);
}
.form-item input:focus, .form-item select:focus, .form-item textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,110,246,.1);
}
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

.inline-tip {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--primary-light); border: 1px dashed var(--primary); border-radius: 8px;
  padding: 12px 16px; color: var(--primary-dark); font-size: 13px;
}

/* ============ 导入 ============ */
.import-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab-btn {
  padding: 7px 18px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--panel); color: var(--text-sub); font-size: 13px;
}
.tab-btn.active { background: var(--primary-light); border-color: var(--primary); color: var(--primary-dark); font-weight: 600; }
.import-guide {
  background: #f8f9fd; border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 14px; font-size: 12.5px; color: var(--text-sub); margin-bottom: 12px; line-height: 1.8;
}
.import-guide code {
  background: #e8ecf7; color: var(--primary-dark); padding: 1px 6px; border-radius: 4px; font-size: 12px;
}
#importText { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 8px; outline: none; resize: vertical; font-size: 13px; }
#importText:focus { border-color: var(--primary); }

.file-drop {
  border: 2px dashed var(--border); border-radius: 10px; padding: 40px 20px;
  text-align: center; color: var(--text-sub); background: #fafbfe; transition: all .15s;
}
.file-drop:hover, .file-drop.dragover { border-color: var(--primary); background: var(--primary-light); color: var(--primary-dark); }
.file-drop-icon { font-size: 30px; margin-bottom: 8px; }
.file-drop .btn { margin-top: 10px; }

.cell-invalid { color: #e5484d; font-size: 12px; }
.cell-valid { color: var(--ok); font-size: 12px; }

/* ============ AI 匹配 ============ */
.match-input { display: flex; gap: 12px; align-items: flex-end; }
.match-input textarea {
  flex: 1; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px;
  outline: none; resize: vertical; font-size: 13.5px;
}
.match-input textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,110,246,.1); }
.match-examples { margin-top: 14px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 12.5px; color: var(--text-sub); }
.chip {
  border: 1px solid var(--border); background: var(--panel); border-radius: 20px;
  padding: 4px 12px; font-size: 12.5px; color: var(--text-sub);
}
.chip:hover { border-color: var(--primary); color: var(--primary); }

.match-row {
  border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px;
  margin-bottom: 12px; background: var(--panel);
}
.match-row.top-hit { border-color: var(--primary); background: var(--primary-light); }
.match-row-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.match-score { font-size: 15px; font-weight: 700; color: var(--primary); min-width: 56px; }
.match-desc { font-size: 13.5px; margin-bottom: 6px; }
.match-meta { font-size: 12px; color: var(--text-sub); display: flex; gap: 14px; flex-wrap: wrap; }
.match-badge {
  font-size: 11px; padding: 1px 8px; border-radius: 20px;
  background: #fff; border: 1px solid var(--border); color: var(--text-sub);
}
.match-badge.known { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.match-badge.new { background: var(--ok-bg); color: var(--ok); border-color: transparent; }

.match-verdict {
  margin-top: 16px; border-radius: 10px; padding: 16px 18px; font-size: 13.5px; line-height: 1.7;
}
.match-verdict.verdict-known { background: var(--warn-bg); border: 1px solid #f2cd9c; color: #8a4b0f; }
.match-verdict.verdict-new { background: var(--ok-bg); border: 1px solid #b7e3cd; color: #1d6b44; }
.match-verdict strong { font-size: 14px; }

/* ============ 弹窗 ============ */
.modal-mask {
  position: fixed; inset: 0; background: rgba(16,24,46,.45);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal { background: var(--panel); border-radius: 12px; width: 640px; max-width: 100%; max-height: 90vh; overflow: auto; box-shadow: 0 20px 60px rgba(0,0,0,.2); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 22px; border-bottom: 1px solid var(--border); }
.modal-close { border: none; background: none; font-size: 22px; color: var(--text-sub); line-height: 1; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px 22px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 22px; border-top: 1px solid var(--border); }

/* ============ Toast ============ */
.toast-wrap { position: fixed; top: 18px; right: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: #1f2940; color: #fff; padding: 11px 18px; border-radius: 8px;
  font-size: 13px; box-shadow: 0 8px 24px rgba(0,0,0,.18); animation: toastIn .25s ease;
  display: flex; align-items: center; gap: 8px;
}
.toast.ok::before { content: "✓"; color: #4fd68a; font-weight: 700; }
.toast.err::before { content: "!"; color: #ff7a7a; font-weight: 700; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

.empty-tip { text-align: center; padding: 40px 0; color: var(--text-sub); }

/* ============ 条 ============ */
.bar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.bar-label { width: 72px; font-size: 13px; color: var(--text-sub); }
.bar-track { flex: 1; height: 10px; background: #eef1f7; border-radius: 20px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 20px; transition: width .4s ease; }
.bar-fill.warn { background: linear-gradient(90deg, #f0a35c, var(--warn)); }
.bar-fill.ok { background: linear-gradient(90deg, #4fd68a, var(--ok)); }
.bar-fill.temp { background: linear-gradient(90deg, #7ba3ff, var(--temp)); }
.bar-fill.perm { background: linear-gradient(90deg, #c39bff, var(--perm)); }
.bar-num { width: 34px; text-align: right; font-weight: 600; font-size: 13.5px; }

.source-item { display: flex; align-items: center; justify-content: space-between; padding: 7px 0; border-bottom: 1px dashed #eef1f7; font-size: 13px; }
.source-item:last-child { border-bottom: none; }
.source-item .num { font-weight: 700; color: var(--primary); }

/* ============ 响应式 ============ */
@media (max-width: 1100px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .panel-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .sidebar { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .content { padding: 16px; }
  .topbar { padding: 14px 16px; }
  .match-input { flex-direction: column; align-items: stretch; }
}