:root {
  color-scheme: light;
  --bg: #f7f5f1;
  --surface: #fffdfa;
  --surface-strong: #ffffff;
  --ink: #25231f;
  --muted: #706b63;
  --line: #ded7cc;
  --primary: #263c75;
  --primary-soft: #edf1fb;
  --success: #19724f;
  --warning: #a05f00;
  --danger: #b42318;
  --shadow: 0 10px 26px rgba(38, 60, 117, .08);
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  letter-spacing: 0;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(640px, 100%);
  display: grid;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-copy p:last-child {
  margin-bottom: 0;
}

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

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  padding: 24px 18px;
  background: #ece7dd;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: var(--primary);
  color: #fff;
  font-weight: 800;
}

.brand small, .sidebar-status small, .muted, .card small {
  color: var(--muted);
}

.nav-list {
  display: grid;
  gap: 6px;
}

.nav-button {
  width: 100%;
  border: 0;
  min-height: 42px;
  border-radius: var(--radius);
  padding: 10px 12px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.nav-button.active,
.nav-button:hover {
  background: var(--surface);
  color: var(--primary);
}

.sidebar-status {
  margin-top: auto;
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .5);
}

.main {
  min-width: 0;
  padding: 24px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, 320px) minmax(260px, 420px) auto;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}

.session-bar {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.session-meta {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.session-name {
  font-weight: 700;
}

.session-role {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-bar .button {
  flex: 0 0 auto;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
}

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

h1 {
  margin-bottom: 0;
  font-size: 30px;
}

h2 {
  font-size: 20px;
  margin-bottom: 14px;
}

h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.search {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.search span {
  color: var(--muted);
  font-size: 14px;
}

.search input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
}

.primary-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 14px;
  background: var(--surface-strong);
  cursor: pointer;
  color: var(--ink);
  text-decoration: none;
}

.primary-action,
.button.primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.button.danger {
  border-color: #f2c5be;
  color: var(--danger);
}

.button:disabled {
  cursor: default;
  opacity: 0.52;
}

.content {
  display: grid;
  gap: 18px;
}

.notice {
  border: 1px solid #f0c36d;
  background: #fff8e8;
  color: #6f4b00;
  border-radius: 8px;
  padding: 12px 14px;
  font-weight: 700;
}

.notice.error {
  border-color: #e18888;
  background: #fff0f0;
  color: #8a1f1f;
}

.notice.success {
  border-color: #8ac69b;
  background: #eefaf1;
  color: #1f6b34;
}

.contract-preview {
  background: #fff;
  border: 1px solid #d7dde8;
  border-radius: 8px;
  padding: 28px;
  color: #1d2635;
  display: grid;
  gap: 18px;
}

.contract-preview header {
  text-align: center;
  border-bottom: 2px solid #1d2635;
  padding-bottom: 16px;
}

.contract-preview header p {
  margin: 0 0 8px;
  color: #526070;
  font-weight: 700;
}

.contract-preview h2,
.contract-preview h3,
.contract-preview p {
  margin: 0;
}

.contract-preview section {
  display: grid;
  gap: 10px;
}

.contract-preview .sub-panel {
  border-top: 1px solid #d7dde8;
  padding-top: 12px;
  display: grid;
  gap: 8px;
}

.contract-preview h4 {
  margin: 0;
  font-size: 18px;
}

.contract-preview footer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  border-top: 1px solid #d7dde8;
  padding-top: 16px;
  font-weight: 700;
}

.inline-details {
  min-width: 220px;
}

.inline-details summary {
  cursor: pointer;
  font-weight: 700;
  color: #2f5d9f;
}

.compact-table {
  margin-top: 8px;
  font-size: 13px;
}

.compact-table .field {
  min-width: 88px;
}

.compact-table .field span:empty {
  display: none;
}

.compact-table .field select,
.compact-table .field input {
  min-height: 34px;
  padding: 6px 8px;
}

.compact-table .mini-field {
  margin-bottom: 6px;
}

@media (max-width: 760px) {
  .contract-preview {
    padding: 18px;
  }

  .contract-preview footer {
    grid-template-columns: 1fr;
  }
}

.stack {
  display: grid;
  gap: 10px;
}

.work-queue {
  display: grid;
  gap: 12px;
}

.queue-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.queue-rank {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: #111827;
  color: #fff;
  font-weight: 800;
}

.method {
  display: inline-grid;
  min-width: 54px;
  min-height: 24px;
  place-items: center;
  margin-right: 8px;
  border-radius: 6px;
  background: #eef2f7;
  color: #334155;
  font-size: 12px;
  font-weight: 800;
}

.method.post,
.method.patch {
  background: #edf7f2;
  color: var(--success);
}

.method.get {
  background: var(--primary-soft);
  color: var(--primary);
}

.code-block {
  margin: 0;
  overflow: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #1f2937;
  color: #f8fafc;
  font-size: 13px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.section-head h2 {
  margin-bottom: 0;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.layout-2 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
}

.panel,
.card,
.metric {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel {
  padding: 18px;
}

.metric {
  padding: 16px;
}

.metric b {
  display: block;
  font-size: 28px;
  margin-bottom: 4px;
}

.card {
  padding: 16px;
  display: grid;
  gap: 12px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.case-meta,
.chips,
.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.chip,
.status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 0 10px;
  font-size: 13px;
  background: #f1ede5;
  color: var(--muted);
}

.status.todo { background: var(--primary-soft); color: var(--primary); }
.status.waiting { background: #fff1d8; color: var(--warning); }
.status.blocked, .status.urgent { background: #ffe7e3; color: var(--danger); }
.status.done { background: #e6f4ee; color: var(--success); }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

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

.data-table th {
  color: var(--muted);
  font-weight: 700;
}

.timeline {
  position: relative;
  display: grid;
  gap: 12px;
}

.timeline-item {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

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

.form-stack {
  display: grid;
  gap: 12px;
}

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

.field span,
.field label {
  color: var(--muted);
  font-size: 13px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 10px;
  background: var(--surface-strong);
}

.field textarea {
  min-height: 92px;
  resize: vertical;
}

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

.mini-shell {
  max-width: 420px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.mini-head {
  padding: 18px;
  background: var(--primary);
  color: #fff;
}

.mini-body {
  padding: 16px;
  display: grid;
  gap: 12px;
}

.modal {
  width: min(860px, calc(100vw - 32px));
  border: 0;
  border-radius: var(--radius);
  padding: 0;
  background: var(--surface);
  color: var(--ink);
}

.modal::backdrop {
  background: rgba(22, 21, 19, .42);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.modal #dialogBody {
  padding: 18px;
}

.icon-button {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  cursor: pointer;
  font-size: 24px;
}

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

  .sidebar {
    position: static;
    padding: 12px;
  }

  .nav-list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    width: 100%;
  }

  .nav-button {
    white-space: nowrap;
  }

  .main {
    padding: 16px;
  }

  .sidebar-status {
    display: none;
  }

  .topbar,
  .grid-4,
  .grid-3,
  .layout-2,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .queue-item {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .queue-item > .actions {
    grid-column: 1 / -1;
  }

  .data-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .login-page {
    padding: 16px;
  }

  .login-panel {
    padding: 18px;
  }
}