:root {
  --bg: #f4f1ea;
  --surface: #fffdf8;
  --surface-strong: #fbf7ef;
  --ink: #17231f;
  --muted: #69736e;
  --line: #ded8ca;
  --accent: #1f3b34;
  --accent-soft: #dbe8de;
  --gold: #b67a39;
  --danger: #a33b2f;
  --shadow: 0 22px 60px rgba(38, 33, 24, 0.1);
  font-family: "Avenir Next", "PingFang TC", "Noto Sans TC", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(31, 59, 52, 0.08), transparent 34%),
    linear-gradient(180deg, #f7f4ee, var(--bg));
}

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

.app-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 292px minmax(0, 1fr);
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 28px 22px;
  background: #19332d;
  color: #f8f4ea;
}

.brand {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}

.brand img {
  width: 48px;
  height: 48px;
}

.brand strong {
  display: block;
  font-size: 18px;
  letter-spacing: 0;
}

.brand span,
.sidebar-note span {
  display: block;
  color: rgba(248, 244, 234, 0.72);
  font-size: 13px;
  margin-top: 4px;
}

.nav-list {
  display: grid;
  gap: 10px;
}

.nav-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 12px;
  border: 1px solid rgba(248, 244, 234, 0.14);
  border-radius: 8px;
  background: transparent;
  color: #f8f4ea;
  text-align: left;
  cursor: pointer;
}

.nav-item.active {
  background: #f8f4ea;
  color: #19332d;
}

.nav-icon {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 32px;
  border-radius: 6px;
  background: rgba(214, 151, 82, 0.18);
  color: #eac18d;
  font-size: 12px;
  font-weight: 800;
}

.nav-item.active .nav-icon {
  background: #dbe8de;
  color: #19332d;
}

.sidebar-note {
  margin-top: auto;
  padding: 14px;
  border: 1px solid rgba(248, 244, 234, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.sidebar-note code {
  display: block;
  margin-top: 8px;
  color: #fff8ea;
  overflow-wrap: anywhere;
  font-size: 12px;
}

.workspace {
  padding: 28px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.section-label {
  margin: 0 0 6px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.08;
}

h2 {
  font-size: 20px;
}

.status-strip {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  white-space: nowrap;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #3f8c62;
}

.case-file-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.case-file-viewer,
.work-card,
.file-panel,
.log-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.86);
  box-shadow: var(--shadow);
}

.case-file-viewer {
  display: grid;
  gap: 14px;
  padding: 18px;
  align-self: start;
}

.case-file-viewer-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.case-viewer-switcher {
  min-width: 0;
}

.case-file-card {
  display: grid;
  gap: 7px;
  min-width: 0;
  border: 1px solid #e6dfd1;
  border-radius: 8px;
  background: #fff;
  padding: 12px;
}

.case-file-card span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
}

.case-file-card strong,
.case-file-card small {
  min-width: 0;
  overflow-wrap: anywhere;
}

.case-file-card strong {
  color: var(--ink);
  font-size: 14px;
  line-height: 1.35;
}

.case-file-card small {
  color: var(--muted);
  font-size: 12px;
}

.case-file-card a {
  width: max-content;
  max-width: 100%;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
}

.case-file-card.is-empty {
  background: #fbf7ef;
}

.case-file-card.is-empty strong,
.case-file-card.is-empty small {
  color: var(--muted);
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(420px, 0.95fr) minmax(360px, 1.05fr);
  gap: 14px;
}

.work-card,
.file-panel,
.log-card {
  padding: 18px;
}

.work-card,
.file-panel {
  min-width: 0;
}

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

.card-head.compact {
  margin-bottom: 12px;
}

.ghost-button,
.primary-button,
.secondary-button {
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
}

.ghost-button {
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--accent);
}

.primary-button {
  padding: 13px 16px;
  background: var(--accent);
  color: #fffdf8;
}

.primary-button:disabled {
  opacity: 0.58;
  cursor: wait;
}

.secondary-button {
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid var(--accent);
  background: #fffdf8;
  color: var(--accent);
}

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

label,
.combined-source,
.combined-mode,
.package-options {
  display: grid;
  gap: 7px;
}

label span,
.combined-source > span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 10px 12px;
}

input[type="file"] {
  padding: 8px 10px;
}

textarea {
  min-height: 92px;
  resize: vertical;
  line-height: 1.5;
}

.field-hint {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.invoice-controls {
  display: grid;
  gap: 14px;
}

.combined-target {
  display: grid;
  gap: 12px;
}

.manual-bill-to {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.order-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.customer-service-controls {
  display: grid;
  gap: 14px;
}

.field-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.section-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.section-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.service-items {
  display: grid;
  gap: 8px;
}

.service-item-head,
.service-item-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr) minmax(72px, 0.6fr) minmax(0, 1fr);
  gap: 8px;
  align-items: center;
}

.service-item-row > input,
.service-item-row > select {
  min-width: 0;
  padding-right: 8px;
  padding-left: 8px;
}

.service-item-head > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.service-add-button {
  justify-self: start;
  min-height: 38px;
  padding-right: 16px;
  padding-left: 16px;
}

.signature-controls {
  display: grid;
  gap: 12px;
}

.service-confirm-preview {
  display: grid;
  gap: 10px;
}

.preview-paper {
  display: grid;
  gap: 14px;
  border: 1px solid #d8cdbd;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(252, 249, 242, 0.96)),
    #fffdf8;
  padding: 14px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.7);
}

.preview-title-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.preview-title-row > div {
  display: grid;
  gap: 4px;
}

.preview-title-row span,
.preview-section > strong {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.preview-title-row strong {
  color: var(--ink);
  font-size: 18px;
  line-height: 1.35;
}

.preview-title-row b {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  white-space: nowrap;
  border: 1px solid #e3c5a1;
  border-radius: 8px;
  background: #fff7ed;
  padding: 5px 9px;
  color: #8b5a20;
  font-size: 12px;
}

.preview-title-row b.is-ready,
.preview-title-row b.is-signed {
  border-color: #bad6c2;
  background: #eff8f1;
  color: var(--accent);
}

.preview-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
  margin: 0;
}

.preview-meta > div {
  min-width: 0;
}

.preview-meta dt,
.preview-note span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.preview-meta dd {
  margin: 3px 0 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.preview-section {
  display: grid;
  gap: 8px;
}

.preview-items {
  display: grid;
  gap: 8px;
}

.preview-item {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.7);
  padding: 9px;
}

.preview-item > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  font-size: 12px;
  font-weight: 900;
}

.preview-item div {
  min-width: 0;
}

.preview-item strong {
  color: var(--ink);
  font-size: 13px;
}

.preview-item p,
.preview-note p,
.preview-empty {
  margin: 3px 0 0;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.preview-item small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.preview-note {
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.preview-empty {
  color: var(--muted);
}

.signature-status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.signature-state {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  width: fit-content;
  padding: 7px 10px;
  border: 1px solid #e3c5a1;
  border-radius: 8px;
  background: #fff7ed;
  color: #8b5a20;
  font-size: 13px;
  font-weight: 800;
}

.signature-state.is-ready,
.signature-state.is-signed {
  border-color: #bad6c2;
  background: #eff8f1;
  color: var(--accent);
}

.signature-box {
  position: relative;
  min-height: 220px;
  border: 1px solid #b9c7bd;
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(transparent 72%, rgba(182, 122, 57, 0.18) 72%, rgba(182, 122, 57, 0.18) 73%, transparent 73%),
    #fff;
}

.signature-box canvas {
  display: block;
  width: 100%;
  height: 220px;
  touch-action: none;
  cursor: crosshair;
}

.signature-guide {
  pointer-events: none;
  position: absolute;
  right: 14px;
  bottom: 12px;
  left: 14px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: rgba(105, 115, 110, 0.82);
  font-size: 12px;
  font-weight: 700;
}

.signed-summary,
.signed-result {
  display: grid;
  gap: 8px;
  border: 1px solid #bad6c2;
  border-radius: 8px;
  background: #eff8f1;
  padding: 12px;
}

.signed-summary span,
.signed-summary small,
.signed-result small {
  color: var(--muted);
  font-size: 12px;
}

.signed-summary strong,
.signed-result strong {
  color: var(--accent);
}

.signed-result p {
  margin: 0;
  color: var(--ink);
  line-height: 1.5;
}

.signed-result > div {
  display: grid;
  gap: 5px;
}

.service-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.service-stat,
.service-rank,
.service-recent,
.service-record {
  border: 1px solid #e6dfd1;
  border-radius: 8px;
  background: #fff;
}

.service-stat {
  padding: 14px;
}

.service-stat span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.service-stat strong {
  display: block;
  margin-top: 5px;
  font-size: 28px;
}

.service-rank,
.service-recent {
  display: grid;
  gap: 8px;
  padding: 12px;
}

.service-rank > strong,
.service-recent > strong {
  color: var(--accent);
  font-size: 14px;
}

.service-rank div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.service-rank b {
  color: var(--ink);
}

.service-record {
  display: grid;
  gap: 4px;
  padding: 10px;
}

.service-record span,
.service-record small {
  color: var(--muted);
  font-size: 12px;
}

.service-record a {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

.ratio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.ratio-notice {
  margin: -2px 0 0;
  padding: 9px 10px;
  border: 1px solid #e0bbb5;
  border-radius: 8px;
  background: #fff1ef;
  color: var(--danger);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

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

.generation-preview {
  display: grid;
  gap: 12px;
  border: 1px solid #d8cdbd;
  border-radius: 8px;
  background: #fffdf8;
  padding: 12px;
}

.generation-preview-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.generation-preview-head span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
}

.generation-preview-head strong {
  color: var(--accent);
}

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

.preview-value {
  display: grid;
  gap: 3px;
  min-width: 0;
  border: 1px solid #eee8db;
  border-radius: 8px;
  background: #fff;
  padding: 9px;
}

.preview-value span,
.generation-preview-sources span,
.preview-loading,
.preview-error {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.preview-value strong {
  min-width: 0;
  color: var(--ink);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.generation-preview-sources {
  display: grid;
  gap: 6px;
}

.generation-preview-sources > div {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr) minmax(90px, 0.4fr);
  gap: 8px;
  align-items: center;
  border-top: 1px solid #eee8db;
  padding-top: 7px;
}

.generation-preview-sources strong,
.generation-preview-sources small {
  min-width: 0;
  overflow-wrap: anywhere;
}

.generation-preview-sources small {
  justify-self: end;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.preview-error {
  color: var(--danger);
}

.selected-file-status {
  display: block;
  padding: 8px 10px;
  border: 1px solid #bad6c2;
  border-radius: 8px;
  background: #eff8f1;
  color: var(--accent);
  font-size: 12px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.selected-file-status.error {
  border-color: #e0bbb5;
  background: #fff1ef;
  color: var(--danger);
}

.page-drop-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(23, 35, 31, 0.42);
  backdrop-filter: blur(3px);
}

.page-drop-overlay.is-visible {
  display: grid;
}

.page-drop-card {
  display: grid;
  justify-items: center;
  gap: 10px;
  width: min(420px, 100%);
  padding: 28px;
  border: 2px dashed rgba(31, 59, 52, 0.45);
  border-radius: 8px;
  background: var(--surface);
  color: var(--accent);
  box-shadow: var(--shadow);
  text-align: center;
}

.page-drop-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 24px;
  font-weight: 900;
}

.page-drop-card strong {
  font-size: 20px;
}

.page-drop-card small {
  color: var(--muted);
  line-height: 1.45;
}

.page-drop-overlay.is-blocked .page-drop-card {
  border-color: rgba(163, 59, 47, 0.42);
  color: var(--danger);
}

.page-drop-overlay.is-blocked .page-drop-icon {
  background: #fff1ef;
  color: var(--danger);
}

.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 22px;
  background: rgba(23, 35, 31, 0.5);
  backdrop-filter: blur(5px);
}

.auth-card {
  display: grid;
  gap: 16px;
  width: min(390px, 100%);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.auth-card h2 {
  font-size: 24px;
}

.auth-message {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid #e0bbb5;
  border-radius: 8px;
  background: #fff1ef;
  color: var(--danger);
  font-size: 13px;
}

.multi-list {
  display: grid;
  max-height: 260px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.check-row {
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid #eee8db;
}

.check-row input {
  min-height: auto;
}

.check-row span {
  color: var(--ink);
  overflow-wrap: anywhere;
  font-size: 13px;
}

.hidden {
  display: none !important;
}

.file-table,
.log-table {
  display: grid;
  gap: 8px;
  max-height: 520px;
  overflow: auto;
}

.file-row,
.log-row {
  display: grid;
  gap: 4px;
  width: 100%;
  border: 1px solid #e6dfd1;
  border-radius: 8px;
  background: #fff;
  padding: 11px 12px;
  text-align: left;
}

.file-row {
  cursor: pointer;
}

.kind-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.file-row strong,
.log-row strong {
  overflow-wrap: anywhere;
}

.file-row small,
.log-row small,
.log-row span,
.log-row code {
  color: var(--muted);
  overflow-wrap: anywhere;
  font-size: 12px;
}

.kind {
  width: max-content;
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.recent-kind {
  background: #e9f5ee;
  color: #2f6c49;
}

.log-card {
  margin-top: 14px;
}

.result-panel {
  margin-top: 14px;
  padding: 12px;
  border-radius: 8px;
  overflow-wrap: anywhere;
}

.result-panel.success {
  border: 1px solid #bad6c2;
  background: #eff8f1;
}

.result-panel.error {
  border: 1px solid #e0bbb5;
  background: #fff1ef;
  color: var(--danger);
}

.result-panel code {
  display: block;
  margin-top: 8px;
  color: inherit;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.package-result,
.package-result-group,
.package-result-item {
  display: grid;
  gap: 8px;
}

.package-result > strong {
  color: var(--accent);
  font-size: 18px;
}

.package-result > small,
.package-result-group > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.package-result-group {
  border-top: 1px solid #d9eadf;
  padding-top: 10px;
}

.package-result-item {
  border: 1px solid #d9eadf;
  border-radius: 8px;
  background: #fff;
  padding: 10px;
}

.package-result-item b {
  color: var(--ink);
}

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  margin-top: 12px;
  padding: 9px 14px;
  border-radius: 8px;
  background: var(--accent);
  color: #fffdf8;
  font-weight: 800;
  text-decoration: none;
}

.empty-state {
  margin: 0;
  padding: 16px;
  color: var(--muted);
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: 8px;
}

.empty-state.compact {
  padding: 10px;
  font-size: 12px;
}

@media (max-width: 1080px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .nav-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .main-grid,
  .case-file-grid,
  .case-file-viewer-head,
  .generation-preview-grid,
  .generation-preview-sources > div,
  .order-controls,
  .manual-bill-to,
  .field-pair,
  .ratio-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .workspace,
  .sidebar {
    padding: 18px;
  }

  .topbar,
  .card-head {
    display: grid;
  }

  .nav-list {
    grid-template-columns: 1fr;
  }

  .service-item-row {
    grid-template-columns: 1fr;
  }

  .service-item-head {
    display: none;
  }

  .preview-title-row,
  .preview-meta {
    grid-template-columns: 1fr;
  }

  .preview-title-row {
    display: grid;
  }

  .signature-status-row,
  .signature-guide {
    display: grid;
    grid-template-columns: 1fr;
  }

  .signature-status-row .secondary-button {
    width: 100%;
  }

  .signature-box {
    min-height: 260px;
  }

  .signature-box canvas {
    height: 260px;
  }
}