styles.css

:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --fg: #111111;
  --muted: #6b6b6b;
  --border: #e5e5e5;
  --accent: #2f6feb;
  --accent-on: #ffffff;
  --accent-hover: color-mix(in oklab, #2f6feb, black 8%);
  --success: #17a34a;
  --warn: #eab308;
  --danger: #dc2626;
  --font-display: -apple-system, system-ui, sans-serif;
  --font-body: -apple-system, system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", monospace;
  --text-xs: 11px;
  --text-sm: 13px;
  --text-base: 14px;
  --text-lg: 16px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 32px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-pill: 9999px;
  --elev-raised: 0 2px 8px color-mix(in oklab, #111111, transparent 92%);
  --focus-ring: 0 0 0 3px color-mix(in oklab, var(--accent), transparent 70%);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  background: var(--surface);
  color: var(--fg);
  font: 400 var(--text-base)/1.5 var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ============= BUTTONS ============= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font: 500 var(--text-sm)/1 var(--font-body);
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 150ms cubic-bezier(0.2, 0, 0, 1);
  border: 0;
  -webkit-tap-highlight-color: transparent;
}
.btn:disabled { opacity: 0.4; cursor: default; }
.btn-primary { background: var(--accent); color: var(--accent-on); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: transparent; border: 1px solid var(--border); color: var(--fg); }
.btn-secondary:hover { background: var(--bg); }
.btn-danger { background: transparent; border: 1px solid var(--danger); color: var(--danger); }
.btn-danger:hover { background: color-mix(in oklab, var(--danger), transparent 94%); }
.btn-ghost { background: transparent; color: var(--muted); padding: 10px 8px; }
.btn-ghost:hover { color: var(--fg); }

.btn-icon {
  width: 32px; height: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 150ms, color 150ms;
}
.btn-icon:hover { background: var(--bg); color: var(--fg); }
.btn-icon svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn-icon.is-danger:hover { background: color-mix(in oklab, var(--danger), transparent 94%); color: var(--danger); }

/* ============= TOGGLE SWITCH ============= */
.toggle-switch {
  position: relative;
  width: 40px; height: 22px;
  background: var(--border);
  border-radius: 11px;
  cursor: pointer;
  transition: background 200ms;
  border: 0;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}
.toggle-switch.on { background: var(--accent); }
.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform 200ms cubic-bezier(0.2, 0, 0, 1);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.toggle-switch.on::after { transform: translateX(18px); }

/* ============= INPUTS ============= */
.input-s {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: 400 var(--text-sm)/1 var(--font-body);
  background: var(--surface);
  transition: border-color 200ms, box-shadow 200ms;
  outline: none;
  color: var(--fg);
}
.input-s:focus { border-color: var(--accent); box-shadow: var(--focus-ring); }
.input-s.invalid { border-color: var(--danger); background: color-mix(in oklab, var(--danger), transparent 96%); }

.select-s {
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: 400 var(--text-sm)/1 var(--font-body);
  background: var(--surface);
  cursor: pointer;
  outline: none;
  transition: border-color 150ms;
  color: var(--fg);
  min-width: 90px;
}
.select-s:focus { border-color: var(--accent); box-shadow: var(--focus-ring); }

/* ============= HEADER (popup) ============= */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 0;
}
.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--accent);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.logo-icon svg { width: 16px; height: 16px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.logo-name { font: 600 var(--text-lg)/1 var(--font-display); letter-spacing: -0.01em; }
.header-actions { display: flex; gap: 4px; }
.header-btn {
  width: 32px; height: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 150ms, color 150ms;
}
.header-btn:hover { background: var(--bg); color: var(--fg); }
.header-btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ============= STATUS ROW (popup) ============= */
.status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px 0;
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.status-dot.disconnected { background: var(--muted); animation: none; }
.status-dot.error { background: var(--danger); animation: none; }
.status-text {
  font: 500 var(--text-sm)/1 var(--font-body);
  color: var(--success);
  letter-spacing: 0.02em;
}
.status-text.disconnected { color: var(--muted); }
.status-text.error { color: var(--danger); }

/* ============= TOGGLE BUTTON (popup) ============= */
.toggle-area {
  display: flex;
  justify-content: center;
  padding: 24px 20px 20px;
}
.toggle-btn {
  position: relative;
  width: 128px; height: 128px;
  border-radius: 50%;
  border: 0;
  background: var(--bg);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: background 300ms cubic-bezier(0.2, 0, 0, 1), box-shadow 300ms cubic-bezier(0.2, 0, 0, 1);
  box-shadow: 0 0 0 1px var(--border);
  -webkit-tap-highlight-color: transparent;
}
.toggle-btn:active { transform: scale(0.96); }
.toggle-btn.active {
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent), transparent 78%), var(--elev-raised);
}
.toggle-btn .toggle-ring {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: border-color 300ms;
}
.toggle-btn.active .toggle-ring { border-color: color-mix(in oklab, var(--accent), transparent 60%); }
.toggle-icon {
  width: 36px; height: 36px;
  color: var(--muted);
  transition: color 300ms;
}
.toggle-btn.active .toggle-icon { color: var(--accent-on); }
.toggle-icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.toggle-label {
  font: 600 var(--text-sm)/1 var(--font-display);
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 300ms;
}
.toggle-btn.active .toggle-label { color: var(--accent-on); }

/* ============= INFO SECTION (popup) ============= */
.info-section { padding: 0 20px; }
.info-card {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.info-left { display: flex; flex-direction: column; gap: 2px; }
.info-location {
  display: flex;
  align-items: center;
  gap: 6px;
  font: 500 var(--text-base)/1.3 var(--font-body);
}
.info-location svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; color: var(--muted); flex-shrink: 0; }
.info-ip {
  font: 400 var(--text-xs)/1 var(--font-mono);
  color: var(--muted);
  letter-spacing: 0.02em;
}
.info-right {
  display: flex;
  align-items: center;
  gap: 6px;
  font: 500 var(--text-sm)/1 var(--font-mono);
  color: var(--success);
  letter-spacing: -0.01em;
}
.latency-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success);
}
.latency-dot.high { background: var(--warn); }
.latency-dot.critical { background: var(--danger); }

/* ============= MODE SECTION (popup) ============= */
.mode-section { padding: 12px 20px 0; }
.mode-label {
  font: 500 var(--text-xs)/1 var(--font-body);
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.mode-chips { display: flex; gap: 6px; }
.mode-chip {
  flex: 1;
  padding: 8px 0;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font: 500 var(--text-sm)/1 var(--font-body);
  color: var(--muted);
  cursor: pointer;
  transition: all 150ms cubic-bezier(0.2, 0, 0, 1);
  -webkit-tap-highlight-color: transparent;
}
.mode-chip:hover { border-color: var(--accent); color: var(--fg); }
.mode-chip.active {
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent), transparent 94%);
  color: var(--accent);
}

/* ============= STATS BAR (popup) ============= */
.stats-bar {
  display: flex;
  gap: 1px;
  margin: 16px 20px 0;
  background: var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.stat-item {
  flex: 1;
  background: var(--bg);
  padding: 10px 8px;
  text-align: center;
}
.stat-value {
  font: 600 var(--text-sm)/1 var(--font-mono);
  color: var(--fg);
  letter-spacing: -0.01em;
}
.stat-label {
  font: 400 10px/1.3 var(--font-body);
  color: var(--muted);
  margin-top: 3px;
  letter-spacing: 0.04em;
}

/* ============= FOOTER (popup) ============= */
.footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px 16px;
  border-top: 1px solid var(--border);
}
.footer-link {
  font: 500 var(--text-sm)/1 var(--font-body);
  color: var(--accent);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: opacity 150ms;
  cursor: pointer;
}
.footer-link:hover { opacity: 0.7; }
.footer-link svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.footer-right { display: flex; gap: 4px; }
.version-tag {
  font: 500 var(--text-xs)/1 var(--font-mono);
  color: var(--muted);
}

/* ============= PROXY LIST (popup compact) ============= */
.proxy-section { padding: 0 20px; margin-top: 12px; }
.proxy-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.proxy-section-title {
  font: 500 var(--text-xs)/1 var(--font-body);
  color: var(--muted);
  letter-spacing: 0.06em;
}
.proxy-compact-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.proxy-compact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 150ms, background 150ms;
}
.proxy-compact-item:hover { border-color: var(--accent); }
.proxy-compact-item.active {
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent), transparent 96%);
}
.proxy-compact-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
}
.proxy-compact-item.active .proxy-compact-dot { background: var(--accent); }
.proxy-compact-name {
  flex: 1;
  font: 500 var(--text-sm)/1 var(--font-body);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.proxy-compact-info {
  font: 400 var(--text-xs)/1 var(--font-mono);
  color: var(--muted);
  letter-spacing: 0.01em;
}

/* ============= RULES PREVIEW (popup) ============= */
.rules-section { padding: 0 20px; margin-top: 12px; }
.rules-preview-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.rule-preview-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  font: 400 var(--text-xs)/1 var(--font-mono);
}
.rule-preview-mode {
  font: 500 9px/1 var(--font-body);
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}
.rule-preview-mode.proxy { background: color-mix(in oklab, var(--success), transparent 88%); color: var(--success); }
.rule-preview-mode.direct { background: var(--bg); color: var(--muted); border: 1px solid var(--border); }
.rule-preview-domain {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============= SIDEBAR (dashboard/settings) ============= */
.sidebar {
  width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 24px;
}
.sidebar-logo {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--accent);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.sidebar-logo svg { width: 16px; height: 16px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.sidebar-name { font: 600 var(--text-lg)/1 var(--font-display); letter-spacing: -0.01em; }
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 12px;
  flex: 1;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font: 500 var(--text-sm)/1 var(--font-body);
  color: var(--muted);
  text-decoration: none;
  transition: all 150ms;
  cursor: pointer;
  border: 0;
  background: transparent;
  text-align: left;
  width: 100%;
}
.nav-item:hover { background: var(--bg); color: var(--fg); }
.nav-item.active {
  background: color-mix(in oklab, var(--accent), transparent 92%);
  color: var(--accent);
}
.nav-item svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: var(--accent-on);
  font: 500 10px/1.4 var(--font-mono);
  padding: 2px 6px;
  border-radius: 999px;
}
.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

/* ============= MAIN LAYOUT ============= */
.app {
  display: flex;
  min-height: 100vh;
}
.main {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
  max-width: 1248px;
}
.page-title {
  font: 700 var(--text-2xl)/1.2 var(--font-display);
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.page-subtitle {
  font: 400 var(--text-sm)/1.4 var(--font-body);
  color: var(--muted);
  margin-bottom: 28px;
}

/* ============= STATS GRID ============= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 16px;
}
.stat-card-value {
  font: 700 var(--text-3xl)/1 var(--font-mono);
  letter-spacing: -0.02em;
  color: var(--fg);
}
.stat-card-label {
  font: 400 var(--text-xs)/1.3 var(--font-body);
  color: var(--muted);
  margin-top: 4px;
  text-transform: none;
  letter-spacing: 0.04em;
}
.stat-card-change {
  font: 500 var(--text-xs)/1 var(--font-mono);
  margin-top: 6px;
}
.stat-card-change.up { color: var(--success); }
.stat-card-change.down { color: var(--danger); }

/* ============= CONNECTION BAR ============= */
.connection-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 24px;
}
.connection-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.connection-switch {
  position: relative;
  width: 44px; height: 24px;
  background: var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: background 200ms;
  border: 0;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}
.connection-switch.on { background: var(--accent); }
.connection-switch::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  transition: transform 200ms cubic-bezier(0.2, 0, 0, 1);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.connection-switch.on::after { transform: translateX(20px); }
.connection-info { display: flex; flex-direction: column; }
.connection-status-text {
  font: 600 var(--text-sm)/1.3 var(--font-body);
  color: var(--success);
}
.connection-status-text.off { color: var(--muted); }
.connection-meta {
  font: 400 var(--text-xs)/1 var(--font-mono);
  color: var(--muted);
  letter-spacing: 0.02em;
}
.connection-change-btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  font: 500 var(--text-sm)/1 var(--font-body);
  color: var(--fg);
  cursor: pointer;
  transition: background 150ms;
  letter-spacing: 0.02em;
}
.connection-change-btn:hover { background: var(--bg); }

/* ============= SECTION HEADERS ============= */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.section-title {
  font: 600 var(--text-lg)/1 var(--font-display);
  letter-spacing: -0.01em;
}
.section-action {
  font: 500 var(--text-sm)/1 var(--font-body);
  color: var(--accent);
  background: none;
  border: 0;
  cursor: pointer;
  padding: 4px 0;
  letter-spacing: 0.02em;
}
.section-action:hover { opacity: 0.7; }

/* ============= SERVER TABLE ============= */
.server-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 24px;
}
.server-table th {
  font: 500 11px/1 var(--font-body);
  color: var(--muted);
  text-transform: none;
  letter-spacing: 0.06em;
  text-align: left;
  padding: 10px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.server-table td {
  padding: 12px 16px;
  font: 400 var(--text-sm)/1.3 var(--font-body);
  border-bottom: 1px solid var(--border);
}
.server-table tr:last-child td { border-bottom: 0; }
.server-table tr:hover td { background: var(--bg); }
.server-table .proxy-item__field {
  padding: 4px 8px;
  border: 1px solid transparent;
  border-radius: 4px;
  font: 400 var(--text-sm)/1 var(--font-body);
  background: transparent;
  transition: border-color 150ms;
  outline: none;
  color: var(--fg);
  width: 100%;
}
.server-table .proxy-item__field:hover { border-color: var(--border); }
.server-table .proxy-item__field:focus { border-color: var(--accent); background: var(--surface); }
.server-table .proxy-item__field.invalid { border-color: var(--danger); }

.server-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.server-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.server-dot.online { background: var(--success); }
.server-dot.offline { background: var(--muted); }
.server-dot.busy { background: var(--warn); }

.server-latency {
  font: 500 var(--text-sm)/1 var(--font-mono);
  letter-spacing: -0.01em;
}
.server-latency.fast { color: var(--success); }
.server-latency.ok { color: var(--muted); }
.server-latency.slow { color: var(--warn); }

.server-actions { display: flex; gap: 4px; }
.server-btn {
  width: 28px; height: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 150ms;
}
.server-btn:hover { border-color: var(--accent); color: var(--accent); }
.server-btn.connected {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-on);
}
.server-btn.is-danger:hover { border-color: var(--danger); color: var(--danger); }
.server-btn svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ============= ACTIVITY LIST ============= */
.activity-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  max-height: 400px;
  overflow-y: auto;
}
.activity-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font: 400 var(--text-sm)/1.3 var(--font-body);
}
.activity-item:last-child { border-bottom: 0; }
.activity-icon {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.activity-icon.connect { background: var(--success); }
.activity-icon.disconnect { background: var(--muted); }
.activity-icon.switch { background: var(--accent); }
.activity-icon.error { background: var(--danger); }
.activity-icon.proxy { background: var(--success); }
.activity-icon.direct { background: var(--accent); }
.activity-icon.config { background: var(--warn); }
.activity-icon.auto { background: var(--accent); }
.activity-text { flex: 1; }
.activity-time {
  font: 400 var(--text-xs)/1 var(--font-mono);
  color: var(--muted);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.logs-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
  font: 400 var(--text-sm)/1.5 var(--font-body);
}

/* ============= SETTINGS LAYOUT ============= */
.settings-app {
  display: flex;
  min-height: 100vh;
}
.settings-nav {
  width: 220px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 32px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
}
.settings-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font: 500 var(--text-sm)/1 var(--font-body);
  color: var(--muted);
  text-decoration: none;
  transition: all 150ms;
  cursor: pointer;
  border: 0;
  background: transparent;
  text-align: left;
  width: 100%;
  letter-spacing: 0.02em;
}
.settings-nav-item:hover { background: var(--bg); color: var(--fg); }
.settings-nav-item.active {
  background: color-mix(in oklab, var(--accent), transparent 92%);
  color: var(--accent);
}
.settings-body {
  flex: 1;
  padding: 32px 40px;
  max-width: 720px;
}

/* ============= BACK LINK ============= */
.back-bar { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 500 var(--text-sm)/1 var(--font-body);
  color: var(--muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background 150ms, color 150ms;
}
.back-link:hover { background: var(--surface); color: var(--fg); }
.back-link svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ============= SETTINGS SECTIONS ============= */
.settings-header { margin-bottom: 32px; }
.settings-title { font: 700 var(--text-2xl)/1.2 var(--font-display); letter-spacing: -0.01em; }
.settings-subtitle { font: 400 var(--text-sm)/1.4 var(--font-body); color: var(--muted); margin-top: 4px; }
.settings-section { margin-bottom: 36px; }
.settings-section-title { font: 600 var(--text-lg)/1.3 var(--font-display); letter-spacing: -0.01em; margin-bottom: 4px; }
.settings-section-desc { font: 400 var(--text-sm)/1.4 var(--font-body); color: var(--muted); margin-bottom: 16px; }

.field-group { display: flex; flex-direction: column; gap: 16px; }
.field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  gap: 16px;
}
.field-info { flex: 1; }
.field-label { font: 500 var(--text-sm)/1.3 var(--font-body); color: var(--fg); }
.field-desc { font: 400 var(--text-xs)/1.4 var(--font-body); color: var(--muted); margin-top: 2px; }
.field-select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: 400 var(--text-sm)/1 var(--font-body);
  color: var(--fg);
  background: var(--surface);
  min-width: 140px;
  cursor: pointer;
  transition: border-color 150ms;
}
.field-select:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.settings-actions {
  display: flex;
  gap: 8px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  margin-top: 36px;
}

/* ============= RULE LIST ============= */
.rule-list { display: flex; flex-direction: column; gap: 6px; }
.rule-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: 400 var(--text-sm)/1.3 var(--font-mono);
  letter-spacing: -0.01em;
}
.rule-row .rule-mode {
  font: 500 10px/1 var(--font-body);
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 4px;
  background: color-mix(in oklab, var(--accent), transparent 88%);
  color: var(--accent);
  flex-shrink: 0;
}
.rule-row .rule-mode.proxy { background: color-mix(in oklab, var(--success), transparent 88%); color: var(--success); }
.rule-row .rule-mode.direct { background: var(--bg); color: var(--muted); }
.rule-row .rule-domain {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.rule-row .delete-btn {
  width: 24px; height: 24px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  border-radius: 4px;
  transition: all 150ms;
  font-size: 14px;
}
.rule-row .delete-btn:hover { background: color-mix(in oklab, var(--danger), transparent 94%); color: var(--danger); }
.rule-add {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.rule-add input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: 400 var(--text-sm)/1 var(--font-mono);
  background: var(--surface);
  transition: border-color 200ms;
  outline: none;
  color: var(--fg);
}
.rule-add input:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.rule-add input::placeholder { color: var(--muted); font-family: var(--font-body); }
.rule-add button {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font: 500 var(--text-sm)/1 var(--font-body);
  color: var(--fg);
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background 150ms;
}
.rule-add button:hover { background: var(--bg); }
.rule-add button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-on);
}
.rule-add button.primary:hover { background: var(--accent-hover); }
.rule-search {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  padding: 3px 3px 3px 10px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: border-color 150ms;
}
.rule-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent), transparent 92%); }
.rule-search__icon { font-size: 12px; color: var(--muted); flex-shrink: 0; }
.rule-search__input {
  flex: 1;
  padding: 5px 4px;
  border: none;
  background: transparent;
  font-size: var(--text-sm);
  font-family: var(--font-body);
  outline: none;
  color: var(--fg);
}
.rule-search__input::placeholder { color: var(--muted); }
.rule-search__count {
  font: 700 10px/1 var(--font-mono);
  color: var(--muted);
  padding: 2px 6px;
  background: var(--surface);
  border-radius: 3px;
  flex-shrink: 0;
}

/* ============= SITE LIST (rules) ============= */
.site-list {
  max-height: 300px;
  overflow-y: auto;
}
.site-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 4px;
  border-bottom: 1px solid color-mix(in oklab, var(--border), transparent 40%);
  transition: background 100ms;
}
.site-item:hover { background: var(--bg); }
.site-item:last-child { border-bottom: none; }
.site-item__name {
  flex: 1;
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--fg);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.site-item__actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.site-item__toggle {
  width: 30px; height: 16px;
  position: relative;
  background: var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: background 200ms;
  flex-shrink: 0;
  border: 0;
}
.site-item__toggle.active { background: var(--success); }
.site-item__toggle::after {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: white;
  top: 2px; left: 2px;
  transition: left 150ms;
}
.site-item__toggle.active::after { left: 16px; }
.delete-btn {
  padding: 4px 6px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  color: var(--muted);
  border-radius: 4px;
  transition: all 150ms;
  line-height: 1;
}
.delete-btn:hover { background: color-mix(in oklab, var(--danger), transparent 94%); color: var(--danger); }

/* Domain groups */
.domain-group { margin-bottom: 2px; }
.domain-group__header {
  display: flex;
  align-items: center;
  padding: 7px 4px;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid color-mix(in oklab, var(--border), transparent 40%);
  transition: background 100ms;
}
.domain-group__header:hover { background: var(--bg); }
.domain-group__expand {
  font-size: 9px;
  color: var(--muted);
  margin-right: 6px;
  width: 10px;
  flex-shrink: 0;
}
.domain-group__subs {
  background: color-mix(in oklab, var(--bg), transparent 50%);
  border-left: 2px solid var(--border);
  margin-left: 16px;
}
.subdomain-item {
  padding: 6px 4px 6px 14px;
  border-bottom: 1px solid color-mix(in oklab, var(--border), transparent 40%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
}
.subdomain-item:hover { background: var(--bg); }
.subdomain-item .site-item__name { font-size: var(--text-xs); }
.sub-count {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 8px;
  min-width: 18px;
  text-align: center;
}
.sub-count.on { background: color-mix(in oklab, var(--success), transparent 90%); color: var(--success); }
.sub-count.off { background: color-mix(in oklab, var(--danger), transparent 90%); color: var(--danger); }

/* ============= EMPTY STATE ============= */
.empty-state {
  text-align: center;
  padding: 30px 16px;
  color: var(--muted);
  font-size: var(--text-sm);
}
.empty-state-icon { font-size: 32px; margin-bottom: 8px; opacity: 0.4; }

/* ============= TEST RESULT ============= */
.test-result {
  margin: 0 20px 8px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.test-result.loading { color: var(--accent); background: color-mix(in oklab, var(--accent), transparent 94%); }
.test-result.success { color: var(--success); background: color-mix(in oklab, var(--success), transparent 94%); }
.test-result.error { color: var(--danger); background: color-mix(in oklab, var(--danger), transparent 94%); }
.test-result__text { flex: 1; }
.test-result__close {
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 14px;
  padding: 0 4px;
  opacity: 0.5;
  transition: opacity 150ms;
}
.test-result__close:hover { opacity: 1; }

/* ============= ADD ROW ============= */
.add-row {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  align-items: center;
}
.add-row__label {
  font-size: var(--text-sm);
  color: var(--muted);
  white-space: nowrap;
}

/* ============= RELATED BOX ============= */
.related-box {
  margin-bottom: 12px;
  padding: 12px;
  background: color-mix(in oklab, var(--accent), transparent 94%);
  border: 1px solid color-mix(in oklab, var(--accent), transparent 80%);
  border-radius: var(--radius-sm);
}
.related-box__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent);
}
.related-box__controls { display: flex; align-items: center; gap: 6px; }
.check-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}
.check-label input[type="checkbox"] { width: 14px; height: 14px; cursor: pointer; }
.related-box__list { display: flex; flex-direction: column; gap: 6px; }
.related-box__actions {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid color-mix(in oklab, var(--accent), transparent 80%);
}
.related-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: border-color 150ms;
}
.related-item:hover { border-color: var(--accent); }
.related-item__name {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 6px;
}
.domain-badge {
  font-size: 9px;
  font-weight: 600;
  text-transform: none;
  padding: 1px 6px;
  border-radius: 3px;
}
.domain-badge.proxy { background: color-mix(in oklab, var(--success), transparent 88%); color: var(--success); }
.domain-badge.direct { background: var(--bg); color: var(--muted); border: 1px solid var(--border); }
.domain-badge.wildcard { background: color-mix(in oklab, var(--accent), transparent 88%); color: var(--accent); }

/* ============= INFO BLOCK ============= */
.info-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--muted);
  margin-bottom: 16px;
}
.info-block p { margin-bottom: 10px; }
.info-block ul { padding-left: 18px; }
.info-block li { margin-bottom: 6px; }
.info-block code {
  background: var(--surface);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
}
.badge-a {
  display: inline-block;
  background: var(--accent);
  color: white;
  font-size: 9px;
  font-weight: 700;
  width: 16px; height: 16px;
  line-height: 16px;
  text-align: center;
  border-radius: 2px;
  font-family: var(--font-mono);
}

/* ============= ONBOARDING ============= */
.onboarding {
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  overflow: hidden;
  position: relative;
}
.steps-bar {
  display: flex;
  gap: 6px;
  padding: 24px 28px 0;
}
.step-dot {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  transition: background 300ms cubic-bezier(0.2, 0, 0, 1);
}
.step-dot.active { background: var(--accent); }
.step-dot.done { background: var(--accent); opacity: 0.4; }
.slides-wrap {
  position: relative;
  padding: 36px 28px 28px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
}
.slide {
  display: none;
  flex-direction: column;
  gap: 20px;
  animation: fadeIn 300ms ease;
}
.slide.active { display: flex; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.slide-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: color-mix(in oklab, var(--accent), transparent 90%);
  display: grid;
  place-items: center;
  color: var(--accent);
  flex-shrink: 0;
}
.slide-icon svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.slide-title { font: 700 22px/1.2 var(--font-display); letter-spacing: -0.01em; }
.slide-desc { font: 400 15px/1.6 var(--font-body); color: var(--muted); max-width: 36ch; }
.feature-grid { display: flex; flex-direction: column; gap: 12px; margin-top: 4px; }
.feature-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg);
  border-radius: var(--radius-sm);
}
.feature-row-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--surface);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--accent);
  box-shadow: 0 0 0 1px var(--border);
}
.feature-row-icon svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.feature-row-text { flex: 1; }
.feature-row-title { font: 600 14px/1.3 var(--font-body); }
.feature-row-desc { font: 400 13px/1.4 var(--font-body); color: var(--muted); margin-top: 2px; }
.region-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 4px;
}
.region-card {
  padding: 14px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  text-align: center;
  transition: border-color 150ms, background 150ms;
  -webkit-tap-highlight-color: transparent;
}
.region-card:hover { border-color: var(--accent); }
.region-card.selected {
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent), transparent 94%);
}
.region-flag { font-size: 22px; line-height: 1; margin-bottom: 6px; }
.region-name { font: 500 13px/1.3 var(--font-body); }
.region-latency { font: 400 11px/1 var(--font-mono); color: var(--muted); margin-top: 3px; letter-spacing: 0.01em; }
.slide-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 20px;
}

/* ============= СТАТИСТИКА ============= */

.domain-list { display: flex; flex-direction: column; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.domain-row { display: flex; align-items: center; gap: 10px; padding: 8px 12px; background: var(--surface); }
.domain-rank { font: 500 12px/1 var(--font-mono); color: var(--muted); min-width: 20px; }
.domain-name { flex: 1; font: 400 13px/1 var(--font-body); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.domain-counts { font: 400 11px/1 var(--font-mono); color: var(--muted); white-space: nowrap; }
.domain-proxy { color: var(--accent); font-weight: 500; }
.domain-direct { color: var(--muted); }

/* ============= SCROLLBAR ============= */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ============= RESPONSIVE ============= */
/* ============= POPUP OVERRIDES ============= */
body.popup-body { width: 380px; min-height: 480px; display: flex; flex-direction: column; padding-bottom: 16px; }
body.popup-body .toggle-area { padding: 16px 20px 12px; }
body.popup-body .toggle-btn { width: 80px; height: 80px; }
body.popup-body .toggle-icon { width: 24px; height: 24px; }
body.popup-body .toggle-label { font-size: 11px; }

@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { padding: 20px 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .settings-nav { display: none; }
  .settings-body { padding: 20px 16px; }
}