:root {
  --bg: #eef3f8;
  --bg-soft: #f7faff;
  --panel: #ffffff;
  --panel-soft: #f8fbff;
  --line: #d8e1ef;
  --line-strong: #c3cfdf;
  --text: #102033;
  --muted: #617089;
  --muted-strong: #41516a;
  --primary: #1e63d6;
  --primary-dark: #123d8a;
  --primary-soft: #eaf2ff;
  --accent: #0f9488;
  --accent-soft: #e7f7f5;
  --danger: #b42318;
  --danger-soft: #fff1ef;
  --warning: #a15c00;
  --warning-soft: #fff6e6;
  --ok: #087443;
  --ok-soft: #e8f8ef;
  --info: #2563eb;
  --info-soft: #edf4ff;
  --shadow: 0 14px 34px rgba(22, 42, 72, 0.10);
  --shadow-soft: 0 8px 22px rgba(22, 42, 72, 0.07);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 16% -12%, rgba(30, 99, 214, 0.16), transparent 30%),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 42%, #edf3f9 100%);
  color: var(--text);
  font-family: "Noto Sans SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  min-height: 36px;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #2a70e3 0%, var(--primary) 100%);
  color: #fff;
  padding: 8px 14px;
  cursor: pointer;
  font-weight: 650;
  box-shadow: 0 8px 16px rgba(30, 99, 214, 0.18);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease, background .16s ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(30, 99, 214, 0.22);
}

button:disabled {
  cursor: not-allowed;
  opacity: .42;
  box-shadow: none;
}

button.secondary {
  border-color: rgba(255, 255, 255, .55);
  background: rgba(255, 255, 255, .14);
  color: #fff;
  box-shadow: none;
}

button.danger,
.danger {
  background: linear-gradient(180deg, #cf3429 0%, var(--danger) 100%);
  border-color: var(--danger);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  padding: 9px 11px;
  outline: none;
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(30, 99, 214, .72);
  box-shadow: 0 0 0 3px rgba(30, 99, 214, .12);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 2px;
  font-size: 22px;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: 18px;
  line-height: 1.25;
}

h3 {
  font-size: 15px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 24px;
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid rgba(216, 225, 239, .9);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(18, 61, 138, .2);
}

.topbar p,
.muted {
  color: var(--muted);
}

.topbar p {
  margin-bottom: 0;
}

.login {
  display: grid;
  grid-template-columns: 130px 130px auto minmax(140px, 240px);
  gap: 8px;
  align-items: center;
}

.login input {
  background: var(--panel-soft);
}

#currentUser {
  color: var(--muted-strong);
  font-weight: 650;
  white-space: nowrap;
}

/* 确保 hidden 属性在设置了 display 的元素（如 .login{display:grid}）上仍然生效 */
[hidden] {
  display: none !important;
}

.session {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.session-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--success, #1f9d55);
  box-shadow: 0 0 0 3px rgba(31, 157, 85, .18);
}

.layout {
  display: grid;
  grid-template-columns: 224px minmax(0, 1fr);
  min-height: calc(100vh - 75px);
}

.nav {
  position: sticky;
  top: 75px;
  align-self: start;
  height: calc(100vh - 75px);
  padding: 18px 14px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, #102033 0%, #142a46 100%);
}

.nav button {
  display: grid;
  width: 100%;
  min-height: 58px;
  margin-bottom: 8px;
  padding: 10px 12px;
  text-align: left;
  border-color: transparent;
  background: transparent;
  color: rgba(255, 255, 255, .84);
  box-shadow: none;
}

.nav button span {
  font-weight: 720;
}

.nav button small {
  margin-top: 2px;
  color: rgba(255, 255, 255, .54);
  font-size: 12px;
}

.nav button:hover:not(.active) {
  background: rgba(255, 255, 255, .08);
  transform: none;
  box-shadow: none;
}

.nav button.active {
  border-color: rgba(255, 255, 255, .18);
  background: linear-gradient(135deg, rgba(30, 99, 214, .92), rgba(15, 148, 136, .78));
  color: #fff;
  box-shadow: 0 14px 26px rgba(0, 0, 0, .2);
}

.nav button.active small {
  color: rgba(255, 255, 255, .76);
}

.content {
  min-width: 0;
  padding: 24px 28px 36px;
}

.view {
  display: none;
}

.view.active {
  display: grid;
  gap: 16px;
}

.page-heading {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-heading h2 {
  margin-bottom: 0;
  font-size: 24px;
}

.page-heading span {
  color: var(--muted);
}

.eyebrow {
  margin: 0;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 18px;
  overflow: hidden;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 86% 12%, rgba(15, 148, 136, .32), transparent 28%),
    linear-gradient(135deg, #102033 0%, #153d78 54%, #1e63d6 100%);
  color: #fff;
  box-shadow: var(--shadow);
}

.home-hero .eyebrow {
  color: rgba(255, 255, 255, .68);
}

.hero-copy h2 {
  max-width: 760px;
  margin: 6px 0 8px;
  font-size: 30px;
}

.hero-copy p:last-child {
  max-width: 720px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, .78);
}

.hero-actions {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.hero-search {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(220px, 520px) auto;
  gap: 10px;
  align-items: center;
}

.hero-search input {
  min-height: 42px;
  border-color: rgba(255, 255, 255, .3);
  background: rgba(255, 255, 255, .94);
}

.hero-stats {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.stat-card {
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .12);
}

.stat-card strong {
  display: block;
  font-size: 24px;
  line-height: 1.1;
}

.stat-card span {
  color: rgba(255, 255, 255, .72);
}

.toolbar,
.inline-form,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.toolbar {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .86);
  box-shadow: var(--shadow-soft);
}

.toolbar button:not(.danger) {
  border-color: var(--line-strong);
  background: #fff;
  color: var(--primary);
  box-shadow: none;
}

.toolbar button:hover:not(:disabled):not(.danger) {
  border-color: rgba(30, 99, 214, .46);
  background: var(--primary-soft);
  box-shadow: none;
}

.toolbar input {
  max-width: 380px;
}

.toolbar select {
  max-width: 240px;
}

.grid {
  display: grid;
  gap: 14px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.split {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 14px;
}

.home-grid > section,
.grid.two > section,
.split > aside,
.split > section,
.detail,
.preview,
.notice,
.result,
.form,
#externalDocuments,
#approvalTasks {
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.home-grid > section,
.grid.two > section,
.split > aside,
.split > section,
.detail,
.preview,
.notice,
.result,
.form {
  padding: 16px;
}

#externalDocuments,
#approvalTasks {
  padding: 16px;
}

.notice {
  position: sticky;
  top: 88px;
  z-index: 5;
}

.notice.error {
  color: var(--danger);
  border-color: #ffc5bd;
  background: var(--danger-soft);
}

.notice.ok {
  color: var(--ok);
  border-color: #bfe9d0;
  background: var(--ok-soft);
}

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

.list.compact {
  gap: 6px;
}

.item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 11px 12px;
  background: linear-gradient(180deg, #fff 0%, var(--panel-soft) 100%);
  transition: border-color .16s ease, transform .16s ease, box-shadow .16s ease;
}

.item:hover:not(.empty) {
  border-color: var(--line-strong);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(22, 42, 72, .08);
}

.item.empty {
  display: grid;
  place-items: center;
  min-height: 44px;
  border-style: dashed;
  color: var(--muted);
  background: #fbfdff;
}

.item.empty strong {
  margin-bottom: 0;
  font-weight: 650;
}

.item strong {
  display: block;
  margin-bottom: 5px;
}

.item .row,
td .row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 9px;
}

.chips,
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
}

.chip,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  background: #fff;
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 650;
}

/* 可点击的分类胶囊：保持 chip 外观，覆盖默认按钮的蓝色填充与阴影 */
.chip-link {
  min-height: 26px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 650;
  box-shadow: none;
  cursor: pointer;
}

.chip-link:hover:not(:disabled) {
  transform: none;
  box-shadow: none;
  border-color: var(--primary);
  color: var(--primary);
}

/* 可点击的列表项（如分类树） */
.item.link {
  cursor: pointer;
  transition: border-color .16s ease;
}

.item.link:hover {
  border-color: var(--primary);
}

.badge.ok {
  border-color: #bde6cf;
  background: var(--ok-soft);
  color: var(--ok);
}

.badge.warning {
  border-color: #f6d79a;
  background: var(--warning-soft);
  color: var(--warning);
}

.badge.danger {
  border-color: #ffc4bd;
  background: var(--danger-soft);
  color: var(--danger);
  box-shadow: none;
}

.badge.info {
  border-color: #c7dcff;
  background: var(--info-soft);
  color: var(--info);
}

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

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: #fff;
}

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

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f8fbff;
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 800;
}

tbody tr:hover {
  background: #fbfdff;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form label,
.form fieldset {
  display: grid;
  gap: 6px;
  color: var(--muted-strong);
  font-weight: 650;
}

.form input,
.form select,
.form textarea {
  font-weight: 400;
}

.form textarea,
.form fieldset,
.form .actions,
.result {
  grid-column: 1 / -1;
}

fieldset {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
}

legend {
  padding: 0 6px;
  color: var(--text);
  font-weight: 800;
}

.check {
  display: flex !important;
  align-items: center;
  gap: 8px;
}

.check input {
  width: auto;
}

.preview {
  min-height: 220px;
  overflow: auto;
}

.preview iframe,
.preview img {
  width: 100%;
  min-height: 520px;
  border: 0;
  object-fit: contain;
}

@media (max-width: 1120px) {
  .hero-stats,
  .grid.two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .topbar,
  .layout,
  .split,
  .form,
  .home-hero,
  .hero-search {
    grid-template-columns: 1fr;
  }

  .topbar {
    display: grid;
  }

  .login {
    grid-template-columns: 1fr;
  }

  .nav {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    height: auto;
  }

  .content {
    padding: 18px;
  }

  .hero-actions {
    flex-wrap: wrap;
  }
}