:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f3f7;
  --ink: #172033;
  --muted: #667085;
  --line: #d9dee7;
  --line-strong: #c2cad7;
  --brand: #2563eb;
  --brand-ink: #ffffff;
  --green: #127a48;
  --green-bg: #e7f6ef;
  --yellow: #9a6500;
  --yellow-bg: #fff3d7;
  --red: #b42318;
  --red-bg: #fee4e2;
  --focus: #1d4ed8;
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-size: 14px;
}

.button-link,
button,
input,
select,
textarea {
  font: inherit;
}

.button-link,
button {
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  min-height: 36px;
  padding: 0 12px;
  border-radius: 6px;
  cursor: pointer;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.button-link:hover,
button:hover {
  border-color: var(--brand);
}

button.primary {
  background: var(--brand);
  color: var(--brand-ink);
  border-color: var(--brand);
}

button.danger {
  color: var(--red);
  border-color: #f4b6b1;
}

button.ghost {
  background: transparent;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #ffffff;
  border-radius: 6px;
  min-height: 36px;
  padding: 8px 10px;
  color: var(--ink);
}

textarea {
  min-height: 78px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(37, 99, 235, 0.16);
  border-color: var(--focus);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
}

.sidebar {
  background: #182230;
  color: #e9eef7;
  padding: 18px 14px;
}

.brand {
  display: grid;
  gap: 4px;
  padding: 4px 4px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.brand strong {
  font-size: 18px;
}

.brand span {
  color: #b7c1d4;
  font-size: 12px;
}

.nav {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.nav .button-link,
.nav button {
  justify-content: flex-start;
  color: #e9eef7;
  background: transparent;
  border-color: transparent;
  text-align: left;
  width: 100%;
}

.nav .button-link:hover,
.nav button.active,
.nav button:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.16);
}

.main {
  min-width: 0;
  padding: 20px 22px 40px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.title-block h1 {
  font-size: 22px;
  margin: 0 0 6px;
}

.title-block p {
  margin: 0;
  color: var(--muted);
}

.top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 16px;
  align-items: start;
}

.panel-stack {
  display: grid;
  gap: 16px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.panel-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.panel-header h2,
.panel-header h3 {
  margin: 0;
  font-size: 16px;
}

.panel-body {
  padding: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  color: #344054;
  font-weight: 600;
  font-size: 13px;
}

.hint {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.detail-list {
  display: grid;
  gap: 14px;
}

.detail-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.detail-head {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface-2);
  border-radius: 8px 8px 0 0;
}

.detail-title {
  display: flex;
  gap: 8px;
  align-items: center;
}

.detail-title strong {
  font-size: 15px;
}

.detail-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.detail-body {
  padding: 14px;
  display: grid;
  gap: 14px;
}

.category-help {
  min-height: 36px;
  padding: 9px 10px;
  border: 1px solid #cfe0ff;
  background: #edf4ff;
  border-radius: 6px;
  color: #1e3a8a;
  font-size: 12px;
  line-height: 1.45;
}

.attachment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.slot {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  display: grid;
  gap: 10px;
  background: #fbfcfe;
}

.slot-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.slot-head h4 {
  margin: 0;
  font-size: 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: #344054;
  font-size: 12px;
  white-space: nowrap;
}

.badge.required {
  color: var(--red);
  background: var(--red-bg);
}

.badge.green {
  color: var(--green);
  background: var(--green-bg);
}

.badge.yellow {
  color: var(--yellow);
  background: var(--yellow-bg);
}

.badge.red {
  color: var(--red);
  background: var(--red-bg);
}

.upload-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 132px;
  gap: 8px;
}

.file-list {
  display: grid;
  gap: 8px;
}

.file-item {
  display: grid;
  gap: 5px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

.file-line {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.file-line a {
  color: var(--brand);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.archive-root {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfe;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.archive-file,
.archive-slot {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.archive-file {
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

.archive-file span:first-child {
  overflow-wrap: anywhere;
}

.summary-panel {
  position: sticky;
  top: 16px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.metric {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfe;
}

.metric span {
  color: var(--muted);
  font-size: 12px;
}

.metric strong {
  display: block;
  margin-top: 4px;
  font-size: 18px;
}

.risk-list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: #344054;
  line-height: 1.6;
}

.notice {
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: #fbfcfe;
  line-height: 1.6;
}

.notice.red {
  border-color: #f7b3ad;
  background: var(--red-bg);
  color: var(--red);
}

.notice.yellow {
  border-color: #f5d38a;
  background: var(--yellow-bg);
  color: var(--yellow);
}

.notice.green {
  border-color: #a9dec3;
  background: var(--green-bg);
  color: var(--green);
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 880px;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  background: var(--surface-2);
  color: #344054;
  font-size: 13px;
}

tr.clickable {
  cursor: pointer;
}

tr.clickable:hover {
  background: #f8fbff;
}

.split-view {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 16px;
  align-items: start;
}

.empty {
  padding: 30px;
  text-align: center;
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: 420px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.18);
  z-index: 20;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .layout,
  .split-view {
    grid-template-columns: 1fr;
  }

  .summary-panel {
    position: static;
  }

  .form-grid,
  .attachment-grid {
    grid-template-columns: 1fr;
  }
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(135deg, #eef2ff 0%, #f6f7f9 100%);
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px 24px;
  box-shadow: 0 12px 36px -18px rgba(15, 23, 42, 0.25);
}

.login-card h1 {
  margin: 0 0 6px;
  font-size: 20px;
}

.login-card .hint {
  color: var(--muted);
  margin: 0 0 16px;
}

.login-card .field {
  margin-bottom: 14px;
  display: grid;
  gap: 6px;
}

.login-card label {
  font-weight: 500;
}

.login-card input,
.login-card select {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  min-height: 38px;
}

.login-card button.primary {
  width: 100%;
  background: var(--brand);
  color: var(--brand-ink);
  border-color: var(--brand);
  margin-top: 6px;
}

.login-card .notice.red {
  background: var(--red-bg);
  color: var(--red);
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 12px;
  font-size: 13px;
}

.viewer-card {
  margin: 12px 0;
  padding: 12px;
  background: var(--surface-2);
  border-radius: 8px;
  border: 1px solid var(--line);
}

.viewer-card .viewer-name {
  font-weight: 600;
  font-size: 14px;
}

.viewer-card .viewer-dept {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.viewer-card .logout-btn {
  margin-top: 8px;
  width: 100%;
  min-height: 30px;
  font-size: 12px;
}