:root {
  color: #15202b;
  background:
    radial-gradient(circle at top left, rgba(108, 145, 255, 0.16), transparent 32%),
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.14), transparent 24%),
    linear-gradient(180deg, #f5f8fc 0%, #edf2f7 100%);
  font-family:
    "Segoe UI Variable Text",
    "Segoe UI",
    "PingFang SC",
    "Microsoft YaHei UI",
    sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  --panel: rgba(255, 255, 255, 0.76);
  --panel-strong: rgba(255, 255, 255, 0.94);
  --panel-border: rgba(148, 163, 184, 0.18);
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
  --text: #0f172a;
  --muted: #526277;
  --muted-soft: #7b8aa2;
  --badge-bg: rgba(226, 232, 240, 0.7);
  --badge-text: #344256;
  --accent: #2f6fed;
  --accent-soft: rgba(47, 111, 237, 0.12);
  --chrome: #2563eb;
  --edge: #0891b2;
  --brave: #ea580c;
}

* {
  box-sizing: border-box;
}

html,
body,
#app {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  color: var(--text);
}

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

button {
  border: 0;
}

.app-shell {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  height: 100vh;
  padding: 14px;
  gap: 14px;
  overflow: hidden;
}

.sidebar,
.content-panel {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 16px;
  min-height: 0;
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 252, 0.7));
  box-shadow: var(--shadow);
}

.sidebar-toolbar h1,
.state-panel h2,
.profile-topline h4,
.extension-topline h4,
.bookmark-topline h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.sidebar-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 2px 8px;
}

.sidebar-title-group {
  min-width: 0;
}

.sidebar-toolbar h1 {
  font-size: 1.52rem;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.sidebar-title-group p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.35;
}

.state-panel p,
.meta-line,
.profile-email,
.bookmark-url,
.browser-nav-body span,
.sidebar-empty p {
  margin: 0;
  color: var(--muted);
}

.refresh-button {
  flex-shrink: 0;
  margin-top: 2px;
  padding: 9px 13px;
  border-radius: 12px;
  background: linear-gradient(135deg, #10213f 0%, #213f75 100%);
  color: #fff;
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 600;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease;
  box-shadow: 0 12px 24px rgba(20, 44, 82, 0.18);
}

.refresh-button:hover {
  transform: translateY(-1px);
}

.browser-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
  overflow: auto;
  padding-right: 2px;
}

.browser-nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 11px;
  border-radius: 16px;
  text-align: left;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.54);
  border: 1px solid transparent;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.browser-nav-item:hover {
  transform: translateY(-1px);
  border-color: var(--panel-border);
}

.browser-nav-item.active {
  background: var(--accent-soft);
  border-color: rgba(47, 111, 237, 0.18);
}

.browser-nav-item.chrome.active {
  background: rgba(37, 99, 235, 0.12);
}

.browser-nav-item.edge.active {
  background: rgba(8, 145, 178, 0.12);
}

.browser-nav-item.brave.active {
  background: rgba(234, 88, 12, 0.12);
}

.browser-nav-item.utility.active {
  background: rgba(15, 23, 42, 0.08);
  border-color: rgba(15, 23, 42, 0.1);
}

.browser-nav-icon,
.profile-avatar,
.extension-icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  overflow: hidden;
}

.browser-nav-icon {
  width: 42px;
  height: 42px;
  border-radius: 0;
  color: #fff;
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  background: transparent;
  overflow: visible;
}

.browser-nav-icon img,
.config-icon img {
  display: block;
  width: auto;
  height: auto;
  max-width: 38px;
  max-height: 38px;
  object-fit: contain;
}

.config-nav-icon {
  background: transparent;
}

.sidebar-utility-nav {
  margin-top: auto;
}

.browser-nav-body {
  min-width: 0;
}

.browser-nav-body strong {
  display: block;
  color: var(--text);
}

.browser-nav-body span {
  display: block;
  margin-top: 2px;
  font-size: 0.8rem;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-empty {
  padding: 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px dashed rgba(148, 163, 184, 0.35);
}

.content-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  padding: 4px 0;
  overflow: hidden;
}

.section-tabs,
.content-section,
.state-panel {
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.content-section {
  padding: 16px;
}

.inline-error {
  margin-bottom: 12px;
  padding: 10px 12px;
  border: 1px solid rgba(239, 68, 68, 0.18);
  border-radius: 12px;
  background: rgba(254, 242, 242, 0.92);
  color: #b42318;
  font-size: 0.86rem;
}

.config-form-card,
.config-card {
  border-radius: 18px;
  padding: 12px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: var(--panel-strong);
}

.config-form-header h3,
.config-title-row h4 {
  margin: 0;
  font-size: 0.94rem;
}

.config-form-header p,
.config-meta-row p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.config-form-grid {
  display: none;
}

.config-form-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.95fr);
  gap: 14px;
  margin-top: 12px;
}

.config-form-fields,
.config-form-side {
  display: grid;
  gap: 10px;
}

.config-form-side {
  align-content: start;
  padding: 10px 12px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.95), rgba(241, 245, 249, 0.8));
  border: 1px solid rgba(148, 163, 184, 0.14);
}

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

.icon-option-button {
  display: grid;
  justify-items: center;
  gap: 5px;
  min-height: 86px;
  padding: 9px 8px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

.icon-option-button img {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

.icon-option-button span {
  font-size: 0.72rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.25;
}

.icon-option-button.active {
  border-color: rgba(47, 111, 237, 0.3);
  background: rgba(232, 240, 255, 0.8);
  box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.1);
}

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

.path-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.field-group span,
.config-label {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.field-group input {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--text);
  outline: none;
}

.field-group input:focus {
  border-color: rgba(47, 111, 237, 0.42);
  box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.12);
}

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

.config-form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 2px;
}

.primary-button,
.secondary-button,
.danger-button {
  padding: 9px 14px;
  border-radius: 12px;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
}

.primary-button {
  background: linear-gradient(135deg, #10213f 0%, #213f75 100%);
  color: #fff;
}

.secondary-button {
  border: 1px solid rgba(148, 163, 184, 0.24);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 245, 249, 0.92));
  color: var(--text);
}

.danger-button {
  border: 1px solid rgba(239, 68, 68, 0.18);
  background: rgba(254, 242, 242, 0.96);
  color: #b42318;
}

.primary-button:disabled,
.secondary-button:disabled,
.danger-button:disabled {
  cursor: default;
  opacity: 0.72;
}

.config-card-header,
.config-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.config-card-lead {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.config-icon {
  width: 36px;
  height: 36px;
  border-radius: 0;
  font-size: 0.8rem;
  overflow: visible;
}

.config-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 10px;
}

.config-meta-row {
  display: grid;
  gap: 3px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(248, 250, 252, 0.78);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.config-meta-row p {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sort-bar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 12px;
}

.sort-dropdown {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

.sort-dropdown-label {
  color: var(--muted);
  font-size: 0.84rem;
}

.sort-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-width: 152px;
  padding: 7px 10px;
  border: 1px solid rgba(148, 163, 184, 0.26);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 245, 249, 0.92));
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.sort-dropdown-trigger:hover {
  border-color: rgba(100, 116, 139, 0.36);
}

.sort-dropdown-trigger.open {
  border-color: rgba(47, 111, 237, 0.42);
  box-shadow:
    0 0 0 3px rgba(47, 111, 237, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.sort-dropdown-caret {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  border-right: 1.8px solid #64748b;
  border-bottom: 1.8px solid #64748b;
  transform: rotate(45deg) translateY(-1px);
  transition: transform 160ms ease;
}

.sort-dropdown-trigger.open .sort-dropdown-caret {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.sort-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  min-width: 100%;
  padding: 6px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow:
    0 20px 40px rgba(15, 23, 42, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.sort-dropdown-option {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  text-align: left;
  color: var(--text);
  background: transparent;
  cursor: pointer;
  transition:
    background 140ms ease,
    color 140ms ease;
}

.sort-dropdown-option:hover {
  background: rgba(241, 245, 249, 0.92);
}

.sort-dropdown-option.active {
  color: #fff;
  background: linear-gradient(135deg, #213f75, #325ca8);
}

.section-tabs {
  display: flex;
  gap: 10px;
  margin-top: 0;
  padding: 8px;
  flex-shrink: 0;
}

.content-scroll-area {
  min-height: 0;
  overflow: auto;
  padding-right: 2px;
}

.section-tab {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  flex: 1;
  padding: 10px 12px;
  border-radius: 15px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.58);
  cursor: pointer;
  transition:
    background 160ms ease,
    color 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.section-tab:hover {
  transform: translateY(-1px);
}

.section-tab.active {
  color: var(--text);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(232, 240, 255, 0.92));
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.count-pill,
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
}

.count-pill {
  min-width: 44px;
  padding: 6px 10px;
}

.badge {
  padding: 6px 10px;
}

.badge.neutral {
  background: var(--badge-bg);
  color: var(--badge-text);
}

.stack-list,
.bookmark-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.profile-card,
.extension-card,
.bookmark-card,
.empty-card {
  border-radius: 18px;
  padding: 14px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: var(--panel-strong);
}

.profile-card,
.extension-card,
.bookmark-card {
  display: flex;
  gap: 12px;
}

.profile-avatar {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  background: linear-gradient(135deg, #dbeafe, #eff6ff);
  color: #1d4ed8;
  font-size: 1.1rem;
  font-weight: 700;
}

.profile-avatar img,
.extension-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-body,
.extension-body,
.bookmark-body {
  min-width: 0;
  flex: 1;
}

.profile-topline,
.extension-topline,
.bookmark-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.profile-topline h4,
.extension-topline h4,
.bookmark-topline h4 {
  font-size: 0.96rem;
  line-height: 1.35;
}

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

.profile-email,
.meta-line,
.bookmark-url {
  margin-top: 6px;
  font-size: 0.87rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.extension-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, #e2e8f0, #f8fafc);
  color: #475569;
  font-weight: 700;
}

.source-disclosure {
  margin-top: 10px;
}

.disclosure-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: fit-content;
  min-width: 120px;
  padding: 7px 10px;
  border-radius: 12px;
  background: rgba(241, 245, 249, 0.9);
  color: var(--badge-text);
  cursor: pointer;
}

.card-action-button {
  padding: 6px 10px;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 245, 249, 0.92));
  border: 1px solid rgba(148, 163, 184, 0.24);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

.card-action-button:hover {
  border-color: rgba(100, 116, 139, 0.36);
  background: linear-gradient(180deg, rgba(255, 255, 255, 1), rgba(226, 232, 240, 0.9));
}

.card-action-button:disabled {
  cursor: default;
  opacity: 0.7;
  border-color: rgba(148, 163, 184, 0.2);
}

.card-action-button:active {
  box-shadow: inset 0 2px 4px rgba(148, 163, 184, 0.18);
}

.disclosure-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.state-panel,
.empty-card {
  display: grid;
  gap: 8px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted-soft);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.state-panel {
  min-height: 320px;
  place-content: center;
  padding: 28px;
}

.sidebar-refresh {
  margin-top: 10px;
  align-self: stretch;
}

.browser-nav,
.content-scroll-area {
  scrollbar-width: thin;
  scrollbar-color: rgba(100, 116, 139, 0.42) transparent;
}

.browser-nav::-webkit-scrollbar,
.content-scroll-area::-webkit-scrollbar {
  width: 10px;
}

.browser-nav::-webkit-scrollbar-track,
.content-scroll-area::-webkit-scrollbar-track {
  background: transparent;
}

.browser-nav::-webkit-scrollbar-thumb,
.content-scroll-area::-webkit-scrollbar-thumb {
  border: 3px solid transparent;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(148, 163, 184, 0.72), rgba(100, 116, 139, 0.58));
  background-clip: padding-box;
}

.browser-nav::-webkit-scrollbar-thumb:hover,
.content-scroll-area::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(100, 116, 139, 0.82), rgba(71, 85, 105, 0.72));
  background-clip: padding-box;
}

.state-panel.error {
  background: linear-gradient(180deg, rgba(254, 242, 242, 0.92), rgba(255, 255, 255, 0.86));
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
    padding: 12px;
    overflow: visible;
  }

  .content-panel {
    padding: 0;
    overflow: visible;
  }

  .browser-nav,
  .content-scroll-area {
    overflow: visible;
  }
}

@media (max-width: 720px) {
  .config-form-layout {
    grid-template-columns: 1fr;
  }

  .icon-option-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sort-bar {
    justify-content: stretch;
  }

  .sort-dropdown {
    width: 100%;
  }

  .sort-dropdown-trigger {
    min-width: 0;
    width: 100%;
  }

  .profile-card,
  .extension-card,
  .bookmark-card {
    flex-direction: column;
  }

  .config-meta {
    grid-template-columns: 1fr;
  }

  .profile-avatar,
  .extension-icon {
    width: 50px;
    height: 50px;
  }
}