:root {
  --color-bg: #f4f6f4;
  --color-card: #ffffff;
  --color-border: #dfe7e2;
  --color-border-hover: #b9c6be;
  --color-control-border: #d6ded8;
  --color-input-border: #cfd8d1;
  --color-text-main: #18211d;
  --color-text-muted: #68756d;
  --color-text-dim: #88968d;
  --color-primary: #087f6f;
  --color-primary-hover: #066f61;
  --color-primary-light: #eef4f1;
  --color-primary-border: #a9d9cc;
  --color-tab-bg: #e8eeeb;
  --color-tab-border: #d8e2db;
  --color-status-ready: #10b981;
  --color-status-syncing: #3b82f6;
  --color-status-error: #ef4444;
  --font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  background: var(--color-bg);
  color: var(--color-text-main);
  font-family: var(--font-family);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

[hidden] {
  display: none !important;
}

body {
  background: var(--color-bg);
  color: var(--color-text-main);
  font-family: var(--font-family);
  line-height: 1.4;
  min-height: 100vh;
  padding-bottom: 30px;
}

.app-shell {
  max-width: 440px;
  margin: 0 auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Minimal Header */
.popup-header-minimal {
  background: var(--color-card);
  border: 1px solid #e2e9e4;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
}

.header-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.header-title-group {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.app-name {
  color: var(--color-text-main);
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.profile-chip-header {
  background: var(--color-primary-light);
  border: 1px solid #d4e5de;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 600;
  max-width: 140px;
  overflow: hidden;
  padding: 2px 7px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 5px;
}

.status-dot {
  border-radius: 50%;
  flex-shrink: 0;
  height: 6px;
  width: 6px;
  background: var(--color-text-dim);
}

.status-dot.ready {
  background: var(--color-status-ready);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.status-dot.syncing {
  background: var(--color-status-syncing);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.status-dot.error {
  background: var(--color-status-error);
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}

.status-label {
  color: var(--color-text-muted);
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-actions {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 6px;
}

/* Buttons */
button,
.icon-action {
  align-items: center;
  background: var(--color-card);
  border: 1px solid var(--color-control-border);
  border-radius: 7px;
  color: var(--color-text-main);
  cursor: pointer;
  display: inline-flex;
  gap: 6px;
  justify-content: center;
  min-height: 32px;
  padding: 6px 10px;
  text-decoration: none;
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  transition: background 120ms ease, border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
}

button:hover,
.icon-action:hover {
  background: #f9fbfa;
  border-color: var(--color-border-hover);
}

button:focus-visible,
input:focus-visible {
  box-shadow: 0 0 0 3px rgba(8, 127, 111, 0.18);
  outline: none;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

button:active,
.icon-action:active {
  transform: scale(0.98);
}

.primary,
.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.primary:hover,
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.icon-action {
  min-width: 32px;
  padding: 6px;
}

.sync-button-minimal {
  min-height: 32px;
  padding: 6px 10px;
}

.header-actions .icon-action {
  height: 32px;
  min-height: 32px;
  width: 32px;
}

.header-actions .icon-action.active {
  background: var(--color-primary-light);
  border-color: var(--color-primary-border);
  color: var(--color-primary);
}

/* Segmented 2-Tab Switcher */
.popup-tabs {
  align-items: center;
  background: var(--color-tab-bg);
  border: 1px solid var(--color-tab-border);
  border-radius: 9px;
  padding: 3px;
  display: flex;
  gap: 4px;
}

.settings-back {
  align-self: flex-start;
  background: transparent;
  border-color: transparent;
  color: var(--color-primary);
  min-height: 28px;
  padding: 4px 6px;
}

.settings-back:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-border);
}

.tab-button {
  background: transparent;
  border: 1px solid transparent;
  flex: 1;
  min-height: 32px;
  min-width: 0;
  padding: 6px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.tab-button.active {
  background: var(--color-card);
  border-color: #d4ddd6;
  color: var(--color-primary);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(24, 33, 29, 0.06);
}

.tab-button span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tab-button.active svg {
  color: var(--color-primary);
  stroke: var(--color-primary);
}

/* Search Bar */
.search-bar {
  align-items: center;
  background: var(--color-card);
  border: 1px solid var(--color-input-border);
  border-radius: 7px;
  display: flex;
  gap: 6px;
  padding: 0 8px;
}

.search-bar svg {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.search-bar input {
  background: transparent;
  border: none;
  box-shadow: none;
  color: var(--color-text-main);
  font-size: 13px;
  outline: none;
  width: 100%;
  min-height: 34px;
  padding: 4px 0;
}

.clear-search {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  min-height: auto;
  padding: 4px;
  display: none;
}

.clear-search.visible {
  display: block;
}

.clear-search:hover {
  background: transparent;
  color: var(--color-text-main);
}

/* Content Views */
.view-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Folder Card */
.folder-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.folder-header {
  border: 0;
  border-radius: 0;
  color: inherit;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  background: var(--color-card);
  min-height: 0;
  text-align: left;
  width: 100%;
}

.folder-header:hover {
  background: #f9fbfa;
}

.folder-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-main);
  min-width: 0;
}

.folder-icon {
  color: var(--color-primary);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.folder-chevron {
  color: var(--color-text-dim);
  transition: transform 0.2s ease;
}

.folder-card.open .folder-chevron {
  transform: rotate(90deg);
}

.folder-body {
  display: none;
  padding: 6px 8px 8px 8px;
  border-top: 1px solid #f0f4f1;
  background: #fbfdfc;
  flex-direction: column;
  gap: 6px;
}

.folder-card.open .folder-body {
  display: flex;
}

.folder-empty {
  color: var(--color-text-dim);
  font-size: 11px;
  padding: 4px;
}

/* Minimal Item Row */
.row {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-height: 44px;
  padding: 6px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  text-decoration: none;
  color: inherit;
}

.row:hover {
  border-color: var(--color-border-hover);
  background: #f9fbfa;
}

.row-main {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.favicon {
  border-radius: 4px;
  flex: 0 0 auto;
  height: 18px;
  width: 18px;
  object-fit: contain;
}

.favicon-placeholder {
  background: var(--color-tab-bg);
}

.row-details {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  flex: 1;
}

.row-title {
  color: var(--color-text-main);
  font-size: 12px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-domain {
  color: var(--color-text-muted);
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.mini-action {
  background: var(--color-card);
  border: 1px solid var(--color-control-border);
  border-radius: 6px;
  color: var(--color-text-main);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 8px;
  text-decoration: none;
  font-size: 11px;
}

.mini-action:hover {
  background: #f4f8f5;
  border-color: var(--color-primary-border);
}

.mini-action.primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.mini-action.primary:hover {
  background: var(--color-primary-hover);
}

/* Settings Form */
.settings-group {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
}

.settings-title {
  align-items: center;
  color: var(--color-text-main);
  display: flex;
  font-size: 13px;
  font-weight: 700;
  gap: 6px;
  margin-bottom: 2px;
}

.locked-settings {
  display: grid;
  gap: 8px;
}

.locked-row {
  align-items: center;
  background: #f9fbfa;
  border: 1px solid #e4ebe6;
  border-radius: var(--radius-sm);
  display: grid;
  gap: 8px;
  grid-template-columns: 92px minmax(0, 1fr);
  min-height: 34px;
  padding: 7px 9px;
}

.locked-row span {
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.locked-row strong {
  color: var(--color-text-main);
  font-size: 12px;
  font-weight: 600;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.settings-note {
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.4;
  margin: 2px 0 0;
}

.danger-action {
  background: #fff1f2;
  border-color: #fecdd3;
  color: #9f1239;
  width: 100%;
}

.danger-action:hover {
  background: #ffe4e6;
  border-color: #fda4af;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.settings-form {
  display: grid;
  gap: 10px;
}

.full-width {
  width: 100%;
}

.form-group label {
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.form-control {
  background: var(--color-card);
  border: 1px solid var(--color-input-border);
  border-radius: 7px;
  min-height: 36px;
  padding: 7px 9px;
  width: 100%;
  font-family: inherit;
  font-size: 13px;
  color: var(--color-text-main);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(8, 127, 111, 0.18);
}

/* Empty State */
.empty-state {
  background: var(--color-card);
  border: 1px dashed var(--color-input-border);
  border-radius: var(--radius-md);
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  min-height: 80px;
  padding: 20px;
  color: var(--color-text-muted);
  font-size: 12px;
}

.onboarding-header {
  display: grid;
  gap: 6px;
}

.onboarding-header h1 {
  color: var(--color-text-main);
  font-size: 18px;
  font-weight: 700;
}

.onboarding-header p,
.setup-note {
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.4;
}

.btn-complete-setup {
  font-weight: 600;
  min-height: 40px;
}

.setup-note {
  text-align: center;
}

body.is-onboarding .app-shell {
  padding: 16px;
}

body.is-onboarding .popup-header-minimal {
  display: none;
}

body.is-onboarding .settings-group {
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 16px rgba(8, 127, 111, 0.06);
  gap: 16px;
  padding: 18px 16px;
}

body.is-onboarding .settings-form {
  gap: 14px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(60px);
  background: #18211d;
  color: #ffffff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  transition: transform 0.25s ease, opacity 0.25s ease;
  opacity: 0;
  pointer-events: none;
  z-index: 2000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.highlight {
  background: rgba(8, 127, 111, 0.15);
  color: var(--color-primary);
  padding: 0 2px;
  border-radius: 2px;
}

@media (max-width: 480px) {
  .profile-chip-header {
    max-width: 92px;
  }

  #syncNowBtn {
    min-width: 32px;
    padding: 6px;
  }

  #syncNowBtn span {
    display: none;
  }
}