: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);
  min-height: 100vh;
  padding: 14px;
  gap: 14px;
}

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

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px 16px;
  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-header h1,
.hero-main h2,
.section-heading h3,
.state-panel h2,
.profile-topline h4,
.extension-topline h4,
.bookmark-topline h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.sidebar-header h1 {
  font-size: 1.72rem;
  line-height: 1;
}

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

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

.refresh-button {
  padding: 11px 14px;
  border-radius: 15px;
  background: linear-gradient(135deg, #10213f 0%, #213f75 100%);
  color: #fff;
  cursor: pointer;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease;
  box-shadow: 0 16px 30px rgba(20, 44, 82, 0.22);
}

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

.browser-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.browser-nav-icon {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  color: #fff;
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, #10213f, #365f9f);
}

.browser-nav-item.chrome .browser-nav-icon,
.hero-card.chrome {
  --accent: var(--chrome);
}

.browser-nav-item.edge .browser-nav-icon,
.hero-card.edge {
  --accent: var(--edge);
}

.browser-nav-item.brave .browser-nav-icon,
.hero-card.brave {
  --accent: var(--brave);
}

.browser-nav-item.chrome .browser-nav-icon {
  background: linear-gradient(135deg, #2563eb, #22c55e);
}

.browser-nav-item.edge .browser-nav-icon {
  background: linear-gradient(135deg, #0f766e, #38bdf8);
}

.browser-nav-item.brave .browser-nav-icon {
  background: linear-gradient(135deg, #c2410c, #fb923c);
}

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

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

.browser-nav-body span {
  display: block;
  margin-top: 2px;
  font-size: 0.8rem;
  line-height: 1.4;
}

.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 {
  padding: 4px 0 4px 0;
  overflow: auto;
}

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

.hero-card {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.72)),
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, white), rgba(255, 255, 255, 0));
}

.hero-copy span {
  color: var(--text);
  word-break: break-all;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 10px;
  width: min(460px, 100%);
}

.stat-card {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.stat-card span {
  display: block;
  color: var(--muted-soft);
  font-size: 0.78rem;
}

.stat-card strong {
  margin-top: 6px;
  font-size: 1.7rem;
  letter-spacing: -0.05em;
}

.content-section {
  margin-top: 12px;
  padding: 18px;
}

.section-tabs {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  padding: 8px;
}

.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);
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.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-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;
}

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

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

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

.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;
    padding: 12px;
  }

  .content-panel {
    padding: 0;
  }

  .hero-card {
    flex-direction: column;
  }

  .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
  }
}

@media (max-width: 720px) {
  .hero-stats {
    grid-template-columns: 1fr;
  }

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

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