:root {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: #17263d;
  background: #f4f7fb;
  font-size: 14px;
  --nav: #0a1c38;
  --blue: #175ac4;
  --muted: #586983;
  --border: #dce4ef;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-height: 100vh; }
h1, h2, p, dl, dd { margin: 0; }
h1 { font-size: 28px; letter-spacing: -.02em; }
h2 { font-size: 18px; }
label { font-weight: 600; }
button, input, textarea, select {
  min-height: 38px;
  padding: 8px 13px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #fff;
  color: inherit;
  font: inherit;
}
button { cursor: pointer; white-space: nowrap; font-weight: 600; }
button:hover:not(:disabled) { background: #f0f5ff; }
button:disabled, select:disabled { cursor: default; opacity: .45; }
:focus-visible { outline: 2px solid #2471de; outline-offset: 2px; }
.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.primary:hover:not(:disabled) { background: #114ca8; }
.muted { color: var(--muted); }
.error { color: #a51e28; font-size: 13px; overflow-wrap: anywhere; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 17px; font-weight: 700; }
.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 9px;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  letter-spacing: -.08em;
}
.starting, .login-view { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  width: min(100%, 420px);
  padding: 36px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 14px 40px #0a1c3810;
}
.login-card h1 { margin-top: 28px; }
.login-card p { margin-top: 8px; }
.login-card form { display: grid; gap: 10px; margin-top: 24px; }
.login-card input { width: 100%; margin-bottom: 6px; }
.login-card button { margin-top: 8px; }
.workspace { display: grid; grid-template-columns: 216px minmax(0, 1fr); min-height: 100vh; }
.sidebar { padding: 26px 18px; background: var(--nav); color: #fff; }
.sidebar .brand { margin: 0 6px 40px; }
.nav-section { margin: 0 12px 9px; color: #a1b4d3; font-size: 12px; }
.nav-current { padding: 11px 14px; border-radius: 7px; background: #1c3a66; font-weight: 600; }
.main { min-width: 0; padding: 34px 32px; }
.toolbar, .panel-head, .pagination, .page-controls, #search-form, .dialog-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.toolbar, .panel-head, .pagination { justify-content: space-between; }
.toolbar { margin-bottom: 28px; }
.toolbar p { margin-top: 7px; }
.panel { overflow: hidden; border: 1px solid var(--border); border-radius: 12px; background: #fff; }
.panel-head, .pagination { padding: 16px 20px; }
#keyword { width: min(32vw, 280px); }
.list-message { padding: 16px 20px; color: var(--muted); }
.list-message button { margin-left: 8px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; min-width: 760px; border-collapse: collapse; text-align: left; }
th, td { padding: 13px 16px; border-block: 1px solid #e7edf5; }
th { background: #f7f9fd; font-size: 13px; color: #425570; }
td:first-child { font-weight: 600; min-width: 135px; }
td { overflow-wrap: anywhere; }
td:nth-child(n+3) { white-space: nowrap; }
.row-action { color: var(--blue); background: #f7faff; min-height: 34px; }
.badge { display: inline-block; padding: 4px 8px; border-radius: 5px; background: #fff1d8; color: #784500; font-size: 12px; }
.badge.replied { background: #e2f3ec; color: #176649; }
.pagination { color: #425570; font-size: 13px; }
dialog {
  width: min(620px, calc(100% - 32px));
  max-height: calc(100vh - 48px);
  overflow: auto;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: inherit;
  box-shadow: 0 20px 50px #0a1c3840;
}
dialog::backdrop { background: #0a1c3877; }
body:has(dialog[open]) { overflow: hidden; }
.editor-company { margin-top: 8px; color: var(--muted); overflow-wrap: anywhere; }
#details { display: grid; grid-template-columns: max-content 1fr; gap: 8px 15px; margin: 18px 0; padding: 14px; background: #f4f7fb; border-radius: 8px; }
dt { color: var(--muted); }
dd { white-space: pre-wrap; overflow-wrap: anywhere; }
#feedback { display: block; width: 100%; margin: 8px 0; resize: vertical; }
.dialog-actions { justify-content: flex-end; margin-top: 18px; }
.notice { position: fixed; right: 24px; bottom: 24px; padding: 12px 18px; border-radius: 8px; background: var(--nav); color: #fff; }
@media (max-width: 900px) {
  .workspace { grid-template-columns: 1fr; }
  .sidebar { padding: 14px 20px; }
  .sidebar .brand { margin: 0; }
  .nav-section, .nav-current { display: none; }
  .main { padding: 22px 16px; }
  .panel-head, .pagination { flex-wrap: wrap; }
  #keyword { width: min(58vw, 280px); }
}