:root {
  --ink: #18242a;
  --muted: #718087;
  --line: #dfe6e8;
  --surface: #ffffff;
  --canvas: #f4f7f6;
  --accent: #0b8f9a;
  --accent-dark: #076a72;
  --yellow: #f1c84c;
  --danger: #b43c3c;
  --success: #16744e;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
}
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.shell { max-width: 1440px; margin: 0 auto; padding: 28px 34px 56px; }
.hidden { display: none !important; }
.muted, .empty-state, small { color: var(--muted); }
.login-panel {
  width: min(430px, 100%);
  margin: 12vh auto 0;
  padding: 34px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 50px rgba(29, 60, 64, .08);
}
.brand-mark {
  width: 42px; height: 42px; display: grid; place-items: center;
  background: var(--accent); color: #fff; font-weight: 800; letter-spacing: 0;
  border-radius: 6px;
}
h1, h2, p { margin-top: 0; }
.login-panel h1 { margin: 22px 0 8px; font-size: 28px; letter-spacing: 0; }
label { display: grid; gap: 8px; color: var(--muted); font-size: 13px; margin: 18px 0; }
input {
  width: 100%; border: 1px solid var(--line); border-radius: 5px;
  padding: 12px 13px; color: var(--ink); background: #fff; outline: none;
}
textarea {
  width: 100%; min-height: 82px; resize: vertical; line-height: 1.55;
  border: 1px solid var(--line); border-radius: 5px;
  padding: 10px 13px; color: var(--ink); background: #fff; outline: none;
}
input:focus, textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(11,143,154,.12);
}
button, .upload-button {
  border: 1px solid transparent; border-radius: 5px; padding: 11px 16px;
  font-weight: 700; transition: background .15s ease, border-color .15s ease;
}
button:disabled { opacity: .6; cursor: wait; }
.primary { background: var(--accent); color: #fff; }
.primary:hover { background: var(--accent-dark); }
.secondary { background: #fff; border-color: #b9cacc; color: var(--accent-dark); }
.secondary:hover, .quiet:hover { border-color: var(--accent); color: var(--accent-dark); }
.danger { background: #fff; border-color: #e2b7b7; color: var(--danger); }
.danger:hover { background: #fff4f4; border-color: var(--danger); }
.quiet { background: transparent; border-color: var(--line); color: var(--muted); }
.error { min-height: 20px; color: var(--danger); }
.topbar { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.topbar h1 { margin: 4px 0 0; font-size: clamp(28px, 4vw, 46px); letter-spacing: 0; }
.eyebrow { margin-bottom: 0; color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: 1px; }
.top-actions, .toolbar, .toolbar-actions { display: flex; align-items: center; gap: 10px; }
.user-badge { color: var(--muted); font-size: 13px; }
.toolbar {
  justify-content: space-between; gap: 14px; padding: 14px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
}
.search-form { display: flex; flex: 1; gap: 10px; min-width: 260px; }
.search-form input { flex: 1; min-width: 0; }
.upload-button { display: inline-flex; align-items: center; background: #f8fbfb; color: var(--ink); border-color: #b9cacc; }
.upload-button input { display: none; }
.notice { margin: 14px 0; padding: 11px 14px; border-left: 4px solid var(--accent); background: #e8f5f5; color: #2a5559; }
.notice.success { border-color: var(--success); background: #e7f5ee; color: var(--success); }
.notice.error { border-color: var(--danger); background: #fceded; color: var(--danger); }
.summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 18px 0; }
.summary-item { padding: 17px 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.summary-item span { display: block; color: var(--muted); font-size: 12px; }
.summary-item strong { display: block; margin-top: 7px; font-size: 17px; }
.content-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.result-panel { min-width: 0; padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.customs-panel {
  border-top: 4px solid var(--accent);
  background: #f7fcfb;
  box-shadow: 0 8px 24px rgba(11, 143, 154, .08);
}
.customs-panel .panel-heading h2 { color: var(--accent-dark); }
.panel-heading { display: flex; justify-content: space-between; gap: 16px; align-items: start; margin-bottom: 16px; }
.panel-heading h2 { margin: 5px 0 0; font-size: 18px; }
.count-badge { min-width: 30px; padding: 5px 8px; text-align: center; background: #eef7f7; color: var(--accent-dark); border-radius: 4px; font-size: 12px; font-weight: 800; }
.table-wrap { overflow: auto; max-height: 470px; border: 1px solid var(--line); }
.empty-state { min-height: 100px; display: grid; place-items: center; padding: 30px; border: 1px dashed #cdd9db; }

.customs-status {
  min-height: 100px;
  padding: 0;
}

.customs-status-success {
  color: var(--success);
  background: #f0fbf5;
}

.customs-status-partial {
  color: #946c00;
  background: #fff9e6;
}

.customs-status-failure {
  color: var(--danger);
  background: #fff4f4;
}

.customs-query-list {
  max-height: 360px;
  overflow-y: auto;
}

.customs-query-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 10px 14px;
  border-bottom: 1px solid #edf1f1;
}

.customs-query-row:last-child {
  border-bottom: 0;
}

.customs-query-row code {
  color: var(--ink);
  font-weight: 700;
}

.customs-query-state {
  font-size: 12px;
  font-weight: 800;
}

.customs-query-row.is-matched .customs-query-state {
  color: var(--success);
}

.customs-query-row.is-unmatched .customs-query-state {
  color: var(--danger);
}

.query-filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: -2px 0 14px;
}

.query-filter {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  background: #f7faf9;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.query-filter:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.query-filter.has-results {
  border-color: #b9e2cb;
  background: #f0fbf5;
  color: var(--success);
}

.query-filter.no-results {
  border-color: #edc1c1;
  background: #fff4f4;
  color: var(--danger);
}

.query-filter.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.query-filter.has-results.is-active {
  border-color: var(--success);
  background: var(--success);
  color: #fff;
}

.query-filter.no-results.is-active {
  border-color: var(--danger);
  background: var(--danger);
  color: #fff;
}

.count-badge.customs-status-success {
  color: var(--success);
  background: #e7f5ee;
  white-space: nowrap;
  border-radius: 999px;
}

.count-badge.customs-status-partial {
  color: #946c00;
  background: #fff4c7;
  white-space: nowrap;
  border-radius: 999px;
}

.count-badge.customs-status-failure {
  color: var(--danger);
  background: #fceded;
  white-space: nowrap;
  border-radius: 999px;
}
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th, td { padding: 10px 11px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { position: sticky; top: 0; background: #f7faf9; color: var(--muted); font-weight: 700; }
code { color: var(--accent-dark); font-weight: 800; }
.file-panel { margin-top: 16px; }
.file-list { border-top: 1px solid var(--line); }
.file-row {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 13px 2px; border-bottom: 1px solid var(--line);
  color: var(--muted); font-size: 12px;
}
.file-row-info {
  min-width: 0; display: flex; align-items: center; justify-content: space-between;
  gap: 18px; flex: 1;
}
.file-row-info > div { min-width: 0; }
.file-row strong {
  display: inline-block; max-width: min(480px, 45vw); overflow: hidden;
  color: var(--ink); margin-right: 10px; text-overflow: ellipsis;
  vertical-align: middle; white-space: nowrap;
}
.file-row small { padding: 3px 5px; background: #f0f3f3; color: var(--muted); }
.file-row-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.file-row-actions button { padding: 8px 12px; font-size: 12px; }
.direction-control { margin: 0; }
.direction-control select {
  min-width: 96px; padding: 8px 9px; border: 1px solid #b9cacc; border-radius: 5px;
  color: var(--ink); background: #fff; outline: none;
}
.direction-control select:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(11,143,154,.12);
}
.document-direction { white-space: nowrap; color: var(--muted); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
@media (max-width: 900px) {
  .shell { padding: 20px 16px 40px; }
  .toolbar, .topbar { align-items: stretch; flex-direction: column; }
  .toolbar-actions { flex-wrap: wrap; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .content-grid, .summary-grid { grid-template-columns: 1fr; }
  .search-form { flex-direction: column; }
  .search-form button, .upload-button, .toolbar-actions button { width: 100%; justify-content: center; }
  .toolbar-actions { display: grid; grid-template-columns: 1fr; }
  .file-row { align-items: stretch; flex-direction: column; gap: 12px; }
  .file-row-info { align-items: start; flex-direction: column; gap: 5px; }
  .file-row strong { max-width: 72vw; }
  .file-row-actions { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; }
  .direction-control select { width: 100%; }
}