:root {
  --canvas: #f6f8fa;
  --surface: #ffffff;
  --surface-soft: #f0f4f6;
  --ink: #17212b;
  --ink-soft: #4f5d69;
  --muted: #77838e;
  --line: #dde3e8;
  --line-strong: #c8d1d9;
  --teal: #0f766e;
  --teal-soft: #e5f3f1;
  --orange: #ed5a35;
  --orange-hover: #d94c29;
  --orange-soft: #fff0eb;
  --amber: #9a6400;
  --amber-soft: #fff6dc;
  --red: #b63b3b;
  --red-soft: #fff0f0;
  --sidebar-width: 216px;
  --topbar-height: 64px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --shadow-float: 0 18px 60px rgba(23, 33, 43, 0.14);
  font-family: Inter, "Avenir Next", "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--canvas);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--canvas);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--canvas);
}

button,
input,
select {
  font: inherit;
}

button,
select {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.22);
  outline-offset: 2px;
}

svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.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;
}

.is-hidden {
  display: none !important;
}

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  grid-template-rows: var(--topbar-height) minmax(calc(100vh - var(--topbar-height)), auto);
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 20;
  display: flex;
  width: var(--sidebar-width);
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
}

.brand {
  display: flex;
  height: var(--topbar-height);
  align-items: baseline;
  gap: 9px;
  padding: 19px 24px;
  border-bottom: 1px solid var(--line);
}

.brand-mark,
.mobile-brand {
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.brand-caption {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-list {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 5px;
  padding: 20px 12px;
}

.nav-item {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  background: transparent;
  text-align: left;
  transition: color 150ms ease, background 150ms ease;
}

.nav-item:hover {
  color: var(--ink);
  background: var(--surface-soft);
}

.nav-item.is-active {
  color: var(--teal);
  background: var(--teal-soft);
  font-weight: 650;
}

.nav-item svg {
  width: 20px;
  height: 20px;
}

.sidebar-foot {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 18px 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.local-dot,
.status-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--teal);
}

.topbar {
  position: fixed;
  inset: 0 0 auto var(--sidebar-width);
  z-index: 15;
  display: flex;
  height: var(--topbar-height);
  align-items: center;
  padding: 0 32px;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 248, 250, 0.92);
  backdrop-filter: blur(14px);
}

.mobile-brand {
  display: none;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
}

.topbar-spacer {
  flex: 1;
}

.status-cluster {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ink-soft);
  font-size: 13px;
}

.status-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 9px;
  border: 0;
  border-radius: 7px;
  color: inherit;
  background: transparent;
}

.status-button:hover {
  background: var(--surface-soft);
}

.status-button.is-warning .status-dot {
  background: var(--orange);
}

.status-divider {
  width: 1px;
  height: 18px;
  background: var(--line-strong);
}

.status-label {
  white-space: nowrap;
}

.main-content {
  grid-column: 2;
  grid-row: 2;
  width: 100%;
  max-width: 1510px;
  margin: 0 auto;
  padding: 44px clamp(28px, 4vw, 68px) 80px;
}

.view-panel {
  display: none;
  animation: panel-in 180ms ease both;
}

.view-panel.is-active {
  display: block;
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--teal);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

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

h1 {
  margin-bottom: 7px;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.04em;
}

h2 {
  margin-bottom: 7px;
  font-size: 20px;
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: 5px;
  font-size: 15px;
}

.page-description,
.section-heading p,
.action-copy p,
.settings-intro p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.heading-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 9px;
}

.button {
  min-height: 40px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 650;
  line-height: 1;
  transition: transform 120ms ease, border-color 120ms ease,
    background 120ms ease, color 120ms ease;
}

.button:active {
  transform: translateY(1px);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.button.primary {
  color: #fff;
  background: var(--orange);
}

.button.primary:hover:not(:disabled) {
  background: var(--orange-hover);
}

.button.secondary {
  border-color: var(--line-strong);
  color: var(--ink-soft);
  background: var(--surface);
}

.button.secondary:hover:not(:disabled) {
  border-color: #9caab5;
  color: var(--ink);
  background: #fbfcfd;
}

/* 未登录的登录入口：跟顶栏状态点用同一个橙色，两处才像在说同一件事 */
.button.secondary.is-warning {
  border-color: #f0b9a8;
  color: var(--orange);
  background: var(--orange-soft);
}

.button.secondary.is-warning:hover:not(:disabled) {
  border-color: var(--orange);
  color: var(--orange-hover);
  background: #ffe6dd;
}

.button.danger-subtle {
  border-color: #e7b5ad;
  color: var(--red);
  background: var(--red-soft);
}

.composer {
  display: grid;
  grid-template-columns: auto minmax(260px, 1fr) 150px 140px auto;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: 0 2px 8px rgba(23, 33, 43, 0.025);
}

.composer-type {
  display: flex;
  align-items: center;
  padding: 3px;
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}

.type-button {
  min-width: 58px;
  padding: 8px 11px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font-size: 13px;
  font-weight: 650;
}

.type-button.is-active {
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 1px 4px rgba(23, 33, 43, 0.1);
}

.field input,
.field select,
.task-search input,
.action-row input,
.field-row input,
.field-row select,
.inline-number input,
.extract-form input {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
}

input::placeholder {
  color: #9aa5ae;
}

.composer .field input,
.composer .field select {
  height: 100%;
  border-color: transparent;
  background: var(--canvas);
}

.composer-target input {
  padding-left: 15px;
}

.composer-hint {
  margin: 8px 2px 0;
  color: var(--muted);
  font-size: 11px;
}

.operation-strip {
  display: grid;
  grid-template-columns: minmax(250px, 1fr) minmax(160px, 280px) auto;
  align-items: center;
  gap: 18px;
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid #bddbd7;
  border-radius: var(--radius-md);
  background: #f7fcfb;
}

.operation-main {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
}

.operation-state {
  flex: 0 0 auto;
  padding: 5px 8px;
  border-radius: 6px;
  color: var(--teal);
  background: var(--teal-soft);
  font-size: 11px;
  font-weight: 750;
}

.operation-strip[data-status="failed"] {
  border-color: #e8c0c0;
  background: #fffafa;
}

.operation-strip[data-status="failed"] .operation-state {
  color: var(--red);
  background: var(--red-soft);
}

.operation-strip[data-status="stopped"] {
  border-color: #ead9a8;
  background: #fffdf6;
}

.operation-strip[data-status="stopped"] .operation-state {
  color: var(--amber);
  background: var(--amber-soft);
}

.operation-copy {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.operation-copy strong,
.operation-copy span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.operation-copy strong {
  font-size: 13px;
}

.operation-copy span {
  color: var(--muted);
  font-size: 11px;
}

.operation-progress {
  height: 5px;
  overflow: hidden;
  border-radius: 99px;
  background: #dfe8e7;
}

.operation-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--teal);
  transition: width 250ms ease;
}

.operation-progress.is-indeterminate span {
  width: 35%;
  animation: indeterminate 1.4s ease-in-out infinite;
}

@keyframes indeterminate {
  from { transform: translateX(-120%); }
  to { transform: translateX(340%); }
}

.operation-log {
  grid-column: 1 / -1;
  padding-top: 10px;
  border-top: 1px solid rgba(15, 118, 110, 0.14);
  color: var(--muted);
  font-size: 11px;
}

.operation-log summary {
  width: max-content;
  cursor: pointer;
  font-weight: 650;
}

.operation-log ol {
  max-height: 128px;
  overflow: auto;
  margin: 9px 0 0;
  padding-left: 22px;
  line-height: 1.8;
}

.task-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-top: 32px;
  border-bottom: 1px solid var(--line);
}

.filter-list {
  display: flex;
  min-width: 0;
  gap: 24px;
  overflow-x: auto;
  overflow-y: hidden;
}

.filter-button {
  position: relative;
  flex: 0 0 auto;
  padding: 12px 1px 13px;
  border: 0;
  color: var(--muted);
  background: transparent;
  font-size: 13px;
}

.filter-button::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: transparent;
  content: "";
}

.filter-button.is-active {
  color: var(--ink);
  font-weight: 700;
}

.filter-button.is-active::after {
  background: var(--teal);
}

.filter-button span {
  margin-left: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
}

.task-search {
  position: relative;
  width: 210px;
  flex: 0 0 auto;
}

.task-search svg {
  position: absolute;
  top: 50%;
  left: 10px;
  width: 16px;
  height: 16px;
  color: var(--muted);
  transform: translateY(-50%);
}

.task-search input {
  min-height: 34px;
  padding: 7px 10px 7px 33px;
  border: 0;
  background: transparent;
  font-size: 12px;
}

.task-table-wrap {
  min-height: 290px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.task-table-wrap[aria-busy="true"] {
  cursor: progress;
}

.task-table-wrap[aria-busy="true"] .task-table {
  opacity: 0.62;
}

.task-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.task-table th {
  padding: 15px 13px 11px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: left;
}

.task-table th:nth-child(1) { width: 42px; padding-right: 0; }
.task-table th:nth-child(2) { width: 29%; }
.task-table th:nth-child(3) { width: 10%; }
.task-table th:nth-child(4) { width: 9%; }
.task-table th:nth-child(5) { width: 10%; }
.task-table th:nth-child(6) { width: 25%; }
.task-table th:nth-child(7) { width: 13%; }
.task-table td.select-cell { padding-right: 0; }

.task-table td {
  padding: 17px 13px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 13px;
  vertical-align: middle;
}

.task-table tbody tr {
  background: transparent;
  transition: background 120ms ease;
}

.task-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.68);
}

.task-title {
  display: grid;
  min-width: 0;
  gap: 5px;
}

.task-title strong {
  overflow: hidden;
  color: var(--ink);
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-title span,
.task-error-copy {
  overflow: hidden;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.state-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 650;
}

.state-badge::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  content: "";
}

.state-downloading { color: var(--teal); }
.state-downloading::before { background: var(--teal); }
.state-done { color: #39756b; }
.state-done::before { background: #6aa69c; }
.state-pending { color: var(--amber); }
.state-pending::before { background: #d1972a; }
.state-failed { color: var(--red); }
.state-failed::before { background: var(--red); }

.format-data,
.size-data,
.progress-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.progress-cell {
  display: grid;
  grid-template-columns: 38px minmax(100px, 1fr);
  align-items: center;
  gap: 10px;
}

.progress-value {
  color: var(--ink);
  font-weight: 700;
}

.chapter-progress {
  display: grid;
  grid-template-columns: repeat(20, minmax(2px, 1fr));
  gap: 3px;
  height: 9px;
}

.chapter-tick {
  min-width: 2px;
  border-radius: 2px;
  background: #e1e6ea;
}

.chapter-tick.is-filled {
  background: #66a79e;
}

.chapter-tick.is-current {
  background: var(--orange);
}

.row-action {
  padding: 6px 8px;
  border: 0;
  border-radius: 6px;
  color: var(--teal);
  background: transparent;
  font-size: 12px;
  font-weight: 650;
}

.row-action:hover {
  background: var(--teal-soft);
}

/* ---------- 选择与删除 ---------- */

.cbx {
  width: 15px;
  height: 15px;
  margin: 0;
  accent-color: var(--teal);
  cursor: pointer;
  vertical-align: middle;
}

.cbx:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.task-table tbody tr.is-picked {
  background: rgba(15, 118, 110, 0.055);
}

.task-table tbody tr.is-picked:hover {
  background: rgba(15, 118, 110, 0.085);
}

.task-table tbody tr.is-locked td {
  opacity: 0.72;
}

/* 破坏性动作与常规动作拉开距离，形状也不同：手滑不会认错 */
.row-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
}

.icon-action {
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 8px;
  color: var(--muted);
  background: transparent;
  transition: color 120ms ease, background 120ms ease;
}

.icon-action svg {
  width: 16px;
  height: 16px;
}

.icon-action:hover:not(:disabled) {
  color: var(--red);
  background: var(--red-soft);
}

.icon-action:disabled {
  cursor: not-allowed;
  opacity: 0.3;
}

.album-link {
  padding: 0;
  border: 0;
  color: inherit;
  background: none;
  font: inherit;
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 2px;
}

.album-link:hover {
  color: var(--teal);
  text-decoration-color: var(--teal);
}

.toolbar-right {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 14px;
}

.scope-chip {
  display: inline-flex;
  height: 26px;
  align-items: center;
  gap: 7px;
  padding: 0 6px 0 10px;
  border: 1px solid var(--teal);
  border-radius: 999px;
  color: var(--teal);
  background: var(--teal-soft);
  font-size: 11px;
  font-weight: 650;
  white-space: nowrap;
}

.scope-chip button {
  display: inline-flex;
  width: 17px;
  height: 17px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: inherit;
  background: rgba(15, 118, 110, 0.14);
  font-size: 12px;
  line-height: 1;
}

.scope-chip button:hover {
  color: #fff;
  background: var(--teal);
}

/* 筛选是导航，选择是意图；这个按钮是两者之间那一次明确的表态 */
.select-all-link {
  flex: 0 0 auto;
  padding: 6px 0;
  border: 0;
  color: var(--teal);
  background: none;
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
}

.select-all-link:hover:not(:disabled) {
  text-decoration: underline;
}

.select-all-link:disabled {
  color: var(--muted);
  cursor: not-allowed;
}

.bulk-bar {
  position: sticky;
  top: 0;
  z-index: 8;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  padding: 11px 14px;
  border: 1px solid rgba(15, 118, 110, 0.28);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #f2faf8, #eaf5f3);
  box-shadow: 0 6px 20px rgba(15, 118, 110, 0.1);
  animation: bulk-in 150ms ease both;
}

@keyframes bulk-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
}

.bulk-count {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
}

.bulk-count b {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 15px;
}

.bulk-note {
  color: var(--ink-soft);
  font-size: 11.5px;
}

.bulk-spacer {
  flex: 1 1 auto;
}

.bulk-bar .button {
  min-height: 34px;
  padding: 7px 13px;
  font-size: 12.5px;
}

.button.danger {
  border-color: #dda49a;
  color: #fff;
  background: var(--red);
}

.button.danger:hover:not(:disabled) {
  background: #9e3030;
}

/* 禁用时不要用半透明红：白字压浅红读不出来 */
.button.danger:disabled {
  border-color: var(--line-strong);
  color: var(--muted);
  background: var(--surface-soft);
  opacity: 1;
}

.button.ghost {
  border-color: transparent;
  color: var(--ink-soft);
  background: transparent;
}

.button.ghost:hover:not(:disabled) {
  background: rgba(23, 33, 43, 0.06);
}

/* ---------- 确认弹窗 ---------- */

/* 确认弹窗是原生 <dialog> + showModal()：APK 登录面板本身也是 modal，它待在
   浏览器 top layer 里，普通 z-index 无论多大都盖不过去。下面这些属性是在复位
   <dialog> 的 UA 默认样式（居中 margin、fit-content 尺寸、边框、背景）。 */
.scrim {
  position: fixed;
  z-index: 200;
  display: grid;
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  padding: 24px;
  border: 0;
  color: inherit;
  background: rgba(23, 33, 43, 0.38);
  inset: 0;
  place-items: center;
  animation: scrim-in 130ms ease both;
}

.scrim:not([open]) {
  display: none;
}

/* 遮罩由 .scrim 自身画，原生 backdrop 再叠一层只会更暗 */
.scrim::backdrop {
  background: transparent;
}

@keyframes scrim-in {
  from {
    opacity: 0;
  }
}

.dialog {
  width: min(480px, 100%);
  padding: 24px 26px 20px;
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow-float);
  animation: dialog-in 160ms cubic-bezier(0.2, 0.9, 0.3, 1) both;
}

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
}

.dialog h2 {
  margin: 0 0 6px;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.dialog-sub {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 12.5px;
}

.consequences {
  display: grid;
  gap: 9px;
  margin-bottom: 16px;
  padding: 14px 15px;
  border-radius: 10px;
  background: var(--surface-soft);
  font-size: 12.5px;
  line-height: 1.5;
}

.consequences .line {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}

.consequences .line strong {
  color: var(--ink);
  font-weight: 650;
  word-break: break-word;
}

.consequences .line i {
  width: 5px;
  height: 5px;
  flex: 0 0 auto;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--line-strong);
}

.consequences .line.warn {
  color: var(--amber);
}

.consequences .line.warn i {
  background: var(--amber);
}

.consequences .line.skip {
  color: var(--muted);
}

.safe-note {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-bottom: 20px;
  padding: 11px 13px;
  border: 1px solid #bfded8;
  border-radius: 10px;
  color: #2c6a60;
  background: var(--teal-soft);
  font-size: 12.5px;
  line-height: 1.5;
}

.safe-note svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  margin-top: 2px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

#apk-login-dialog {
  width: min(560px, calc(100vw - 32px));
}

#apk-login-dialog.is-captcha-hidden {
  display: none;
}

.apk-login-intro {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.apk-account-section {
  margin: 0 0 18px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}

.apk-account-heading,
.apk-account-row,
.apk-account-actions {
  display: flex;
  align-items: center;
}

.apk-account-heading {
  justify-content: space-between;
  margin-bottom: 9px;
  color: var(--ink-soft);
  font-size: 12px;
}

.apk-account-heading span,
.apk-account-meta {
  color: var(--muted);
  font-size: 11px;
}

.apk-account-list {
  display: grid;
  gap: 7px;
}

.apk-account-empty {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.apk-account-row {
  justify-content: space-between;
  gap: 10px;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius-sm) - 2px);
  background: var(--surface);
}

.apk-account-row.is-active {
  border-color: #bfded8;
  background: var(--teal-soft);
}

.apk-account-identity {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.apk-account-uid {
  overflow: hidden;
  color: var(--ink);
  font-size: 12px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.apk-account-actions {
  flex: 0 0 auto;
  gap: 6px;
}

.apk-account-actions button {
  min-height: 28px;
  padding: 4px 8px;
  font-size: 11px;
}

.apk-login-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin: 0 0 18px;
  padding: 4px;
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}

.apk-login-tabs button {
  min-height: 34px;
  padding: 6px 8px;
  border: 0;
  border-radius: calc(var(--radius-sm) - 3px);
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
}

.apk-login-tabs button.is-active {
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.apk-login-fields {
  display: grid;
  gap: 16px;
}

.apk-login-field {
  display: grid;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 650;
}

.apk-login-field input {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
  font: inherit;
  font-weight: 400;
}

.apk-login-field input:focus {
  border-color: var(--teal);
  outline: 3px solid var(--teal-soft);
}

.apk-sms-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.apk-sms-help {
  color: var(--muted);
  font-size: 11px;
}

.apk-sms-help.is-verified {
  color: var(--teal);
  font-weight: 650;
}

.apk-login-message {
  min-height: 38px;
  margin: 18px 0 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--muted);
  background: var(--surface-soft);
  font-size: 12px;
  line-height: 1.45;
}

.apk-login-message[data-type="success"] {
  border-color: #bfded8;
  color: var(--teal);
  background: var(--teal-soft);
}

.apk-login-message[data-type="warning"] {
  border-color: #ead7a1;
  color: var(--amber);
  background: var(--amber-soft);
}

.apk-login-message[data-type="error"] {
  border-color: #e8c0c0;
  color: var(--red);
  background: var(--red-soft);
}

.apk-login-message[data-type="loading"] {
  color: var(--teal);
}

.empty-state {
  display: grid;
  justify-items: center;
  padding: 72px 24px;
  text-align: center;
}

.empty-state.is-hidden {
  display: none;
}

.empty-icon {
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 15px;
  place-items: center;
  border-radius: 50%;
  color: var(--teal);
  background: var(--teal-soft);
  font-size: 22px;
}

.empty-state h2 {
  margin-bottom: 7px;
  font-size: 17px;
}

.empty-state p {
  max-width: 390px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
}

.inline-alert {
  margin-top: 18px;
  padding: 11px 13px;
  border: 1px solid #e8c0c0;
  border-radius: var(--radius-sm);
  color: var(--red);
  background: var(--red-soft);
  font-size: 12px;
}

.task-pagination {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 12px;
}

.task-pagination p {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.pagination-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pagination-actions span {
  min-width: 74px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.pagination-button {
  min-height: 32px;
  padding: 6px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--ink-soft);
  background: var(--surface);
  font-size: 12px;
  font-weight: 650;
}

.pagination-button:hover:not(:disabled) {
  border-color: #9caab5;
  color: var(--ink);
}

.pagination-button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.risk-overview,
.diagnostic-section,
.settings-form {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.risk-overview,
.diagnostic-section {
  margin-bottom: 20px;
  padding: 24px;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--line);
}

.metric {
  display: grid;
  gap: 8px;
  padding: 20px 18px;
  border-right: 1px solid var(--line);
}

.metric:first-child { padding-left: 0; }
.metric:last-child { border-right: 0; }

.metric span {
  color: var(--muted);
  font-size: 11px;
}

.metric strong {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 24px;
  font-variant-numeric: tabular-nums;
}

.risk-detail-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 44px;
  padding-top: 22px;
}

.distribution {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.distribution-item {
  display: inline-flex;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 7px;
  background: var(--surface-soft);
  color: var(--ink-soft);
  font-size: 11px;
}

.distribution-item strong {
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.definition-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
}

.definition-list div {
  display: grid;
  gap: 5px;
}

.definition-list dt {
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.definition-list dd {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.action-list {
  border-top: 1px solid var(--line);
}

.action-row {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(180px, 290px) auto;
  align-items: center;
  gap: 22px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

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

.action-row input {
  min-height: 38px;
  font-size: 12px;
}

.check-control,
.inline-number {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 12px;
}

.check-control input {
  width: auto;
  min-height: 0;
}

.inline-number input {
  width: 80px;
}

.experimental-section {
  border-color: #e9d7b2;
}

.tag {
  display: inline-block;
  margin-bottom: 7px;
  padding: 4px 7px;
  border-radius: 5px;
  color: var(--teal);
  background: var(--teal-soft);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tag.warning {
  color: var(--amber);
  background: var(--amber-soft);
}

.extract-form {
  display: grid;
  gap: 15px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.field-row {
  display: grid;
  grid-template-columns: minmax(130px, 0.55fr) minmax(220px, 1.45fr);
  align-items: center;
  gap: 18px;
  color: var(--ink-soft);
  font-size: 12px;
}

.field-row input,
.field-row select {
  min-height: 38px;
  font-size: 12px;
}

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

.toggle-grid.wide {
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.switch-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  color: var(--ink-soft);
  font-size: 12px;
}

.switch-row input {
  width: 16px;
  height: 16px;
  accent-color: var(--teal);
}

.settings-form {
  overflow: hidden;
}

.settings-section {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(390px, 1.7fr);
  gap: 50px;
  padding: 28px;
  border-bottom: 1px solid var(--line);
}

.settings-fields {
  display: grid;
  gap: 14px;
}

.field-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 28px;
}

.field-grid .field-row {
  grid-template-columns: minmax(120px, 1fr) minmax(100px, 0.8fr);
}

.settings-details {
  border-bottom: 1px solid var(--line);
}

.settings-details summary {
  cursor: pointer;
  padding: 20px 28px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
}

.settings-details[open] summary {
  color: var(--ink);
  background: #fbfcfd;
}

.details-fields {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 4px 28px 28px;
}

.details-fields .field-row {
  grid-template-columns: 130px minmax(180px, 1fr);
}

.warning-details[open] {
  background: #fffdf8;
}

.settings-warning {
  grid-column: 1 / -1;
  margin-bottom: 4px;
  padding: 11px 13px;
  border-radius: 7px;
  color: var(--amber);
  background: var(--amber-soft);
  font-size: 12px;
}

.settings-note {
  grid-column: 1 / -1;
  margin-bottom: 4px;
  padding: 0 2px;
  color: var(--muted, #6b7280);
  font-size: 12px;
  line-height: 1.6;
}

.settings-note.is-warning {
  color: var(--orange, #b45309);
}

.settings-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 28px;
  color: var(--muted);
  font-size: 11px;
}

.result-dialog {
  width: min(720px, calc(100vw - 32px));
  max-height: min(760px, calc(100vh - 40px));
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow-float);
}

.result-dialog::backdrop {
  background: rgba(23, 33, 43, 0.32);
  backdrop-filter: blur(3px);
}

.dialog-shell {
  display: flex;
  max-height: inherit;
  flex-direction: column;
}

.dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 22px 24px 16px;
  border-bottom: 1px solid var(--line);
}

.dialog-header h2 {
  margin: 0;
}

.icon-button {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 0;
  border-radius: 7px;
  color: var(--muted);
  background: transparent;
  font-size: 24px;
  line-height: 1;
}

.icon-button:hover {
  color: var(--ink);
  background: var(--surface-soft);
}

.dialog-content {
  min-height: 160px;
  padding: 22px 24px;
  overflow: auto;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  padding: 14px 24px;
  border-top: 1px solid var(--line);
}

.result-table {
  width: 100%;
  border-collapse: collapse;
}

.result-table th,
.result-table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  text-align: left;
}

.result-table th {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.result-code,
.json-output {
  display: block;
  max-width: 100%;
  overflow: auto;
  padding: 14px;
  border-radius: 8px;
  color: #dfe9e8;
  background: #14232c;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-all;
}

.result-summary {
  padding: 14px;
  border-radius: 8px;
  color: var(--ink-soft);
  background: var(--surface-soft);
  font-size: 13px;
  line-height: 1.7;
}

/* 同理：提示要压在 modal 之上，靠 popover 进 top layer。这里同样在复位
   [popover] 的 UA 默认样式；浏览器不支持时退回 z-index，位置样式不变。 */
.toast-region {
  position: fixed;
  z-index: 100;
  display: grid;
  width: min(360px, calc(100vw - 32px));
  height: auto;
  max-height: none;
  margin: 0;
  padding: 0;
  overflow: visible;
  border: 0;
  color: inherit;
  background: none;
  inset: auto 22px 22px auto;
  gap: 9px;
}

.toast {
  display: grid;
  grid-template-columns: 8px 1fr;
  gap: 11px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 12px 36px rgba(23, 33, 43, 0.13);
  font-size: 12px;
  animation: toast-in 180ms ease both;
}

.toast::before {
  width: 8px;
  height: 8px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--teal);
  content: "";
}

.toast.is-error::before {
  background: var(--red);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(7px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1100px) {
  :root { --sidebar-width: 82px; }

  .brand {
    justify-content: center;
    padding-inline: 10px;
  }

  .brand-caption,
  .nav-item span,
  .sidebar-foot span {
    display: none;
  }

  .nav-item {
    justify-content: center;
  }

  .sidebar-foot {
    justify-content: center;
    padding-inline: 10px;
  }

  .composer {
    grid-template-columns: auto minmax(240px, 1fr) 140px auto;
  }

  .range-field {
    grid-column: 2 / 3;
  }

  .composer-submit {
    grid-column: 4;
    grid-row: 1 / 3;
  }

  .task-table th:nth-child(3),
  .task-table td:nth-child(3),
  .task-table th:nth-child(4),
  .task-table td:nth-child(4) {
    display: none;
  }

  .task-table th:nth-child(1) { width: 36%; }
  .task-table th:nth-child(2) { width: 14%; }
  .task-table th:nth-child(5) { width: 38%; }
  .task-table th:nth-child(6) { width: 12%; }

  .operation-strip {
    grid-template-columns: minmax(240px, 1fr) minmax(140px, 220px) auto;
  }

  .action-row {
    grid-template-columns: minmax(240px, 1fr) minmax(180px, 240px) auto;
  }
}

@media (max-width: 760px) {
  :root {
    --topbar-height: 58px;
  }

  .app-shell {
    display: block;
    padding-top: var(--topbar-height);
  }

  .sidebar {
    position: fixed;
    inset: auto 0 0;
    width: auto;
    height: 62px;
    flex-direction: row;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .brand,
  .sidebar-foot,
  .nav-item[data-action="focus-composer"] {
    display: none;
  }

  .nav-list {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(3, 1fr);
    padding: 6px 12px;
  }

  .nav-item {
    display: grid;
    justify-items: center;
    gap: 2px;
    padding: 5px;
    font-size: 10px;
  }

  .nav-item span {
    display: block;
  }

  .nav-item svg {
    width: 19px;
    height: 19px;
  }

  .topbar {
    inset: 0 0 auto;
    height: var(--topbar-height);
    padding: 0 16px;
  }

  .mobile-brand {
    display: block;
  }

  .status-cluster {
    gap: 7px;
  }

  .status-divider,
  #concurrency-status {
    display: none;
  }

  .status-button {
    max-width: 140px;
    padding-inline: 6px;
  }

  #login-status-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .main-content {
    width: auto;
    padding: 28px 16px 96px;
  }

  .page-heading {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 22px;
  }

  .heading-actions {
    width: 100%;
  }

  .heading-actions .button {
    flex: 1;
  }

  h1 { font-size: 29px; }

  .composer {
    grid-template-columns: 1fr 1fr;
    gap: 9px;
  }

  .composer-type,
  .composer-target {
    grid-column: 1 / -1;
  }

  .compact-field,
  .range-field,
  .composer-submit {
    grid-column: auto;
    grid-row: auto;
  }

  .composer-submit {
    grid-column: 1 / -1;
  }

  .operation-strip {
    grid-template-columns: 1fr auto;
    gap: 12px;
  }

  .operation-progress {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .operation-log {
    grid-row: 3;
  }

  .task-toolbar {
    display: grid;
    gap: 8px;
  }

  .filter-list {
    width: 100%;
    gap: 18px;
  }

  .task-search {
    width: 100%;
    border-top: 1px solid var(--line);
  }

  .task-pagination {
    align-items: stretch;
    flex-direction: column;
    padding: 14px 0 4px;
  }

  .pagination-actions {
    justify-content: space-between;
  }

  .task-table,
  .task-table tbody,
  .task-table tr,
  .task-table td {
    display: block;
    width: 100%;
  }

  .task-table thead {
    display: none;
  }

  .task-table tbody tr {
    position: relative;
    padding: 16px 4px;
    border-top: 1px solid var(--line);
  }

  .task-table td {
    padding: 4px 8px;
    border: 0;
  }

  .task-table td:nth-child(2) {
    margin-top: 8px;
  }

  .task-table td:nth-child(3),
  .task-table td:nth-child(4) {
    display: inline-block;
    width: auto;
  }

  .task-table td:nth-child(6) {
    position: absolute;
    top: 15px;
    right: 4px;
    width: auto;
  }

  .task-title {
    padding-right: 70px;
  }

  .progress-cell {
    margin-top: 7px;
  }

  .risk-overview,
  .diagnostic-section {
    padding: 18px;
  }

  .metric-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .metric:nth-child(3) { padding-left: 0; }

  .risk-detail-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .action-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .check-control,
  .inline-number {
    justify-content: flex-start;
  }

  .toggle-grid,
  .toggle-grid.wide {
    grid-template-columns: 1fr;
  }

  .field-row {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .settings-section {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 22px 18px;
  }

  .field-grid,
  .details-fields {
    grid-template-columns: 1fr;
  }

  .field-grid .field-row,
  .details-fields .field-row {
    grid-template-columns: 1fr;
  }

  .details-fields {
    padding-inline: 18px;
  }

  .settings-details summary,
  .settings-actions {
    padding-inline: 18px;
  }

  .settings-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .settings-actions .button {
    width: 100%;
  }

  .toast-region {
    right: 16px;
    bottom: 78px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}