/* ========== Design Tokens ========== */
:root {
  /* Neutrals: warm-tinted grey, keeps the UI quiet on long sessions. */
  --bg-body: #f1f2f5;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-hover: #f2f3f6;
  --bg-sunken: #f7f8fa;

  --text-primary: #1f2328;
  --text-secondary: #6b7280;
  --text-disabled: #c2c6cd;

  --border-color: #e4e5e8;
  --border-strong: #d5d7dc;
  --border-radius: 8px;
  --border-radius-sm: 6px;

  /* Accent: one blue, used for primary actions and progress only. */
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #eff4ff;

  /* Status colours keep state readable without shouting. */
  --status-success: #15803d;
  --status-success-soft: #eaf7ee;
  --status-warning: #b45309;
  --status-warning-soft: #fdf3e3;
  --status-info: #1d4ed8;
  --status-info-soft: #eaf1fe;
  --status-danger: #b42318;
  --status-danger-soft: #fdeceb;

  --shadow-card: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
  --shadow-elevated: 0 8px 24px rgba(16, 24, 40, 0.12);

  --rail-width: 76px;
  --inspector-width: clamp(300px, 24vw, 380px);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

html.dark {
  --bg-body: #12141a;
  --bg-surface: #191c23;
  --bg-card: #191c23;
  --bg-hover: #22262f;
  --bg-sunken: #15181e;

  --text-primary: #e8eaee;
  --text-secondary: #9aa3b2;
  --text-disabled: #565d69;

  --border-color: #2a2f3a;
  --border-strong: #363c49;

  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-soft: #1c2534;

  --status-success: #4ade80;
  --status-success-soft: #16281d;
  --status-warning: #fbbf24;
  --status-warning-soft: #2a2113;
  --status-info: #60a5fa;
  --status-info-soft: #172234;
  --status-danger: #f87171;
  --status-danger-soft: #2b1a1a;

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-elevated: 0 8px 24px rgba(0, 0, 0, 0.5);
}

/* ========== Global Base ========== */
* {
  box-sizing: border-box;
}

html,
body,
#app {
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-body);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

#app {
  min-height: 100%;
}

.view-bar-spacer {
  flex: 1;
  min-width: 8px;
}

.section-title {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ========== Auth Screen ========== */
.auth-container {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
  background: var(--bg-body);
}

.auth-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-elevated);
  padding: 40px 36px 32px;
  width: 400px;
  max-width: 100%;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.auth-brand .auth-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  flex: none;
}

.auth-brand .auth-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
}

.auth-card h1 {
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
}

.auth-card .auth-subtitle {
  margin: 0 0 24px;
  font-size: 13px;
  color: var(--text-secondary);
  text-align: left;
}

.auth-card .auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.auth-card .auth-form .el-checkbox {
  height: auto;
}

.auth-card .auth-btn {
  width: 100%;
  font-size: 15px;
  margin-top: 4px;
}

/* ========== App Shell ========== */
.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background-color: var(--bg-body);
}

.workspace {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 16px;
}

/* ========== Navigation Rail ========== */
.nav-rail {
  flex: none;
  width: var(--rail-width);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 8px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-color);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
  flex: none;
}

.nav-items {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}

.nav-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 9px 4px 7px;
  border: 0;
  border-radius: var(--border-radius);
  background: none;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.is-active {
  background: var(--accent-soft);
  color: var(--accent);
}

.nav-badge {
  position: absolute;
  top: 4px;
  right: 12px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  line-height: 16px;
  text-align: center;
}

.nav-label {
  font-size: 11px;
  line-height: 1;
}

.nav-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding-top: 10px;
  border-top: 1px solid var(--border-color);
}

.nav-connection {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--status-warning);
}

.nav-connection.is-connected {
  color: var(--status-success);
}

.connection-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
  flex: none;
}

.nav-user {
  max-width: 100%;
  font-size: 11px;
  color: var(--text-secondary);
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ========== Views ========== */
.view {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.view-bar {
  flex: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
}

.view-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.view-count {
  font-size: 12px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.connection {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--status-warning);
  white-space: nowrap;
}

.connection.is-connected {
  color: var(--status-success);
}

/* ========== Filter Bar ========== */
.filter-bar {
  flex: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-color);
}

.filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 8px 0 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-surface);
}

.filter-label {
  font-size: 11px;
  color: var(--text-secondary);
  flex: none;
}

.filter-select {
  width: 110px;
}

.filter-select .el-select__wrapper {
  min-height: 22px;
  padding: 0;
  box-shadow: none;
  background: transparent;
}

.filter-select .el-select__placeholder,
.filter-select .el-select__selected-item {
  font-size: 13px;
  color: var(--text-primary);
}

.filter-select-sort {
  width: 118px;
}

.filter-select-name {
  width: 96px;
}

.filter-select-downloader {
  width: 118px;
}

/* Segmented control: two or three mutually exclusive modes. */
.segmented {
  display: inline-flex;
  padding: 2px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-sunken);
  gap: 2px;
}

.segmented button {
  height: 26px;
  padding: 0 14px;
  border: 0;
  border-radius: var(--border-radius-sm);
  background: none;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.segmented button:hover {
  color: var(--text-primary);
}

.segmented button[aria-pressed="true"] {
  background: var(--bg-surface);
  color: var(--text-primary);
  font-weight: 500;
  box-shadow: var(--shadow-card);
}

.segmented.is-quiet {
  background: transparent;
}

/* ========== Buttons ========== */
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  flex: none;
  transition: border-color var(--transition-fast), color var(--transition-fast),
    background-color var(--transition-fast);
}

.icon-button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.icon-button:disabled {
  color: var(--text-disabled);
  cursor: default;
}

.icon-button.is-on {
  color: var(--status-warning);
  border-color: var(--status-warning);
  background: var(--status-warning-soft);
}

.text-button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 28px;
  padding: 0 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  flex: none;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.text-button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.text-button:disabled {
  color: var(--text-disabled);
  cursor: default;
}

.chip-button {
  flex: none;
  height: 30px;
  padding: 0 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
}

.chip-button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ========== Content Scan Areas ========== */
.list-scroll,
.settings-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
}

.settings-scroll {
  gap: 16px;
  max-width: 720px;
}

.empty-state {
  padding: 64px 20px;
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
}

.hint {
  margin: 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.hint-action {
  margin-left: 8px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--accent);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
}

.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: none;
}

.search-bar .el-input {
  flex: 1;
  min-width: 0;
}

/* ========== Task Row ========== */
.task-row {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  flex: none;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-card);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.task-row:hover {
  border-color: var(--border-strong);
  background: var(--bg-hover);
}

.task-row.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.task-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 62px;
  border-radius: 4px;
  background: var(--bg-sunken);
  color: var(--text-disabled);
  overflow: hidden;
  flex: none;
}

.task-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.task-body {
  min-width: 0;
}

.task-title {
  margin: 0;
  font-size: 14px;
  line-height: 1.4;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.task-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.task-progress .el-progress {
  flex: 1;
  min-width: 60px;
}

.progress-value {
  font-size: 12px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.task-side {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.task-acts {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  flex: none;
}

.status-pill.is-done {
  color: var(--status-success);
  background: var(--status-success-soft);
}

.status-pill.is-running {
  color: var(--status-info);
  background: var(--status-info-soft);
}

.status-pill.is-waiting {
  color: var(--status-warning);
  background: var(--status-warning-soft);
}

/* Remote search result: thumbnail + copy + two clear actions. */
.remote-row {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  flex: none;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-card);
}

.pager-row {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 12px 0 4px;
}

/* ========== Pager ========== */
.pager {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.pager-readout {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 6px;
  font-size: 13px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.pager-readout .page-total {
  white-space: nowrap;
}

button.page-current {
  min-width: 34px;
  height: 28px;
  padding: 0 6px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

button.page-current:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.page-input {
  width: 56px;
}

/* ========== Settings ========== */
.settings-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-card);
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: var(--text-primary);
}

.setting-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.usage-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
}

.usage-line .usage-value {
  font-size: 26px;
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.usage-line .usage-note {
  font-size: 12px;
  color: var(--text-secondary);
}

.mono-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  word-break: break-all;
}

/* ========== Detail Inspector ========== */
.inspector {
  flex: none;
  width: var(--inspector-width);
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-color);
}

.inspector-bar {
  flex: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
}

.inspector-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
}

.preview-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 3 / 4;
  max-height: 320px;
  border-radius: var(--border-radius-sm);
  background: var(--bg-sunken);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.preview-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.preview-empty {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-disabled);
}

.inspector-title {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text-primary);
  word-break: break-word;
}

.inspector-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.inspector-badge {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--bg-sunken);
  color: var(--text-secondary);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.progress-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.progress-line .el-progress {
  flex: 1;
}

.inspector-facts {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 6px 12px;
  margin: 0;
  padding-top: 4px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  line-height: 1.6;
}

.inspector-facts dt {
  color: var(--text-secondary);
}

.inspector-facts dd {
  margin: 0;
  color: var(--text-primary);
  word-break: break-word;
}

.inspector-facts a {
  color: var(--accent);
  text-decoration: none;
}

.inspector-facts a:hover {
  text-decoration: underline;
}

.inspector-label {
  margin: 0;
}

.resolution-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.resolution-list button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.resolution-list button:hover {
  border-color: var(--border-strong);
}

.resolution-list button[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}

.resolution-size {
  font-size: 12px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.resolution-list button[aria-pressed="true"] .resolution-size {
  color: var(--accent);
}

.inspector-actions {
  flex: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--border-color);
}

.inspector-actions.is-remote {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.inspector-actions .el-button {
  margin-left: 0;
  width: 100%;
}

.inspector-actions .el-button.is-collected {
  color: var(--status-warning);
  border-color: var(--status-warning);
  background: var(--status-warning-soft);
}

.inspector-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px;
  color: var(--text-disabled);
  font-size: 13px;
}

.inspector-empty p {
  margin: 0;
}

/* ========== Dialogs ========== */
.el-dialog {
  border-radius: 12px;
}

.el-dialog__title {
  font-size: 16px;
  font-weight: 600;
}

/* ========== Element Plus harmonisation ========== */
.el-button {
  font-weight: 500;
}

.el-button--small {
  font-size: 13px;
}

.el-button--primary {
  --el-button-bg-color: var(--accent);
  --el-button-border-color: var(--accent);
  --el-button-hover-bg-color: var(--accent-hover);
  --el-button-hover-border-color: var(--accent-hover);
}

.el-select {
  font-size: 13px;
}

.el-input__inner {
  font-size: 14px;
}

/* ========== iOS focus-zoom guard (窄屏) ==========
   iOS Safari 聚焦字号小于 16px 的输入控件时会放大整个页面，并忽略 viewport
   里的 user-scalable=no / maximum-scale。桌面端本身不做调整，只在窄屏（手机
   打开桌面入口，或手机横竖屏）下把可聚焦控件拉到 16px；!important 用于压过
   Element Plus 的小尺寸变体。 */
@media (max-width: 600px) {
  input:not([type="checkbox"]):not([type="radio"]),
  textarea,
  select,
  .el-input__inner,
  .el-textarea__inner,
  .el-select__input,
  .el-select__wrapper,
  .el-input-number .el-input__inner {
    font-size: 16px !important;
  }
}