* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100vh;
  user-select: none;
}

/* ---- Menu bar ---- */
.menu-bar {
  display: flex;
  align-items: center;
  padding: 0;
  background: var(--sz-color-menu);
  border-bottom: 1px solid var(--sz-color-button-shadow);
  flex-shrink: 0;
}

.menu-item {
  position: relative;
  padding: 3px 8px;
  cursor: default;
  color: var(--sz-color-menu-text);
}

.menu-item:hover,
.menu-item.open {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
}

.menu-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--sz-color-menu);
  border: 1px solid var(--sz-color-button-shadow);
  box-shadow: 2px 2px 4px rgba(0,0,0,0.2);
  z-index: 1000;
  padding: 2px 0;
}

.menu-item.open > .menu-dropdown {
  display: block;
}

.menu-entry {
  padding: 4px 24px 4px 8px;
  cursor: default;
  color: var(--sz-color-menu-text);
  white-space: nowrap;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.menu-entry:hover {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
}

.menu-entry.disabled {
  color: var(--sz-color-gray-text);
  pointer-events: none;
}

.menu-entry .shortcut {
  margin-left: 24px;
  font-size: 10px;
  opacity: 0.7;
}

.menu-separator {
  height: 1px;
  background: var(--sz-color-button-shadow);
  margin: 2px 4px;
}

/* ---- Navigation toolbar ---- */
.nav-toolbar {
  display: flex;
  align-items: center;
  padding: 2px 4px;
  gap: 2px;
  background: var(--sz-color-button-face);
  border-bottom: 1px solid var(--sz-color-button-shadow);
  flex-shrink: 0;
}

.nav-btn {
  width: 26px;
  height: 22px;
  border: 1px solid transparent;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: default;
  font-size: 14px;
  line-height: 1;
  color: var(--sz-color-button-text);
  flex-shrink: 0;
  padding: 0;
  font-family: inherit;
}

.nav-btn:hover {
  border: 1px outset var(--sz-color-button-highlight);
  background: var(--sz-color-button-face);
}

.nav-btn:active {
  border: 1px inset var(--sz-color-button-shadow);
}

.nav-btn.disabled {
  color: var(--sz-color-gray-text);
  pointer-events: none;
}

.nav-separator {
  width: 1px;
  height: 18px;
  background: var(--sz-color-button-shadow);
  margin: 0 2px;
  flex-shrink: 0;
}

/* ---- Address bar ---- */
.address-bar {
  display: flex;
  align-items: center;
  padding: 2px 4px;
  gap: 4px;
  background: var(--sz-color-button-face);
  border-bottom: 1px solid var(--sz-color-button-shadow);
  flex-shrink: 0;
}

.address-bar label {
  font-size: 11px;
  color: var(--sz-color-button-text);
  flex-shrink: 0;
}

.address-bar input[type="text"] {
  flex: 1;
  padding: 2px 4px;
  font-size: 11px;
  font-family: Tahoma, Verdana, sans-serif;
  border: 1px inset var(--sz-color-button-shadow);
  outline: none;
}

.address-bar button {
  padding: 2px 10px;
  font-size: 11px;
  font-family: Tahoma, Verdana, sans-serif;
  cursor: default;
  flex-shrink: 0;
}

/* ---- Bookmarks bar ---- */
.bookmarks-bar {
  display: flex;
  align-items: center;
  padding: 2px 4px;
  gap: 2px;
  background: var(--sz-color-button-face);
  border-bottom: 1px solid var(--sz-color-button-shadow);
  flex-shrink: 0;
  overflow-x: auto;
  overflow-y: hidden;
  min-height: 22px;
}

.bookmarks-bar .bm-label {
  font-size: 10px;
  color: var(--sz-color-gray-text);
  flex-shrink: 0;
  margin-right: 4px;
}

.bookmark-btn {
  padding: 2px 8px;
  font-size: 10px;
  font-family: Tahoma, Verdana, sans-serif;
  cursor: default;
  border: 1px solid transparent;
  background: transparent;
  color: var(--sz-color-button-text);
  white-space: nowrap;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
}

.bookmark-btn:hover {
  border: 1px outset var(--sz-color-button-highlight);
  background: var(--sz-color-button-face);
}

.bookmark-btn:active {
  border: 1px inset var(--sz-color-button-shadow);
}

/* ---- Proxy info bar ---- */
.proxy-info-bar {
  display: none;
  align-items: center;
  padding: 3px 8px;
  gap: 8px;
  background: var(--sz-color-info-window);
  border-bottom: 1px solid var(--sz-color-button-shadow);
  flex-shrink: 0;
  font-size: 11px;
  color: var(--sz-color-info-text);
}

.proxy-info-bar.visible {
  display: flex;
}

.proxy-info-bar .proxy-icon {
  flex-shrink: 0;
}

.proxy-info-bar .proxy-message {
  flex: 1;
}

.proxy-info-bar .proxy-dismiss {
  flex-shrink: 0;
  padding: 1px 6px;
  font-size: 10px;
  cursor: default;
}

/* ---- Browser content area ---- */
.browser-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  min-height: 0;
  background: var(--sz-color-window);
}

.browser-content iframe {
  width: 100%;
  flex: 1;
  border: none;
  min-height: 0;
}

/* ---- New Tab page ---- */
.newtab-page {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, #e8f0fe 0%, #f0f4ff 50%, #e0ecff 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 60px;
  overflow-y: auto;
  font-family: 'Segoe UI', Tahoma, Verdana, sans-serif;
  color: var(--sz-color-window-text);
}

.newtab-page.hidden {
  display: none;
}

.newtab-logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--sz-color-highlight);
  margin-bottom: 4px;
  letter-spacing: 1px;
}

.newtab-subtitle {
  font-size: 11px;
  color: var(--sz-color-gray-text);
  margin-bottom: 24px;
}

.newtab-search {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 24px;
  width: 400px;
  max-width: 90%;
}

.newtab-search input {
  flex: 1;
  padding: 6px 10px;
  font-size: 13px;
  font-family: 'Segoe UI', Tahoma, Verdana, sans-serif;
  border: 1px solid var(--sz-color-button-shadow);
  border-radius: 3px;
  outline: none;
}

.newtab-search input:focus {
  border-color: var(--sz-color-highlight);
  box-shadow: 0 0 3px rgba(49,106,197,0.3);
}

.newtab-search button {
  padding: 6px 14px;
  font-size: 12px;
  font-family: 'Segoe UI', Tahoma, Verdana, sans-serif;
  cursor: default;
  border-radius: 3px;
}

.newtab-tiles {
  display: grid;
  grid-template-columns: repeat(3, 120px);
  gap: 12px;
  margin-bottom: 24px;
}

.newtab-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 80px;
  background: var(--sz-color-window);
  border: 1px solid var(--sz-color-button-shadow);
  border-radius: 4px;
  cursor: default;
  transition: box-shadow 0.15s;
}

.newtab-tile:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  border-color: var(--sz-color-highlight);
}

.newtab-tile .tile-icon {
  font-size: 24px;
  margin-bottom: 4px;
}

.newtab-tile .tile-label {
  font-size: 11px;
  color: var(--sz-color-window-text);
  text-align: center;
}

.newtab-note {
  font-size: 10px;
  color: var(--sz-color-gray-text);
  max-width: 400px;
  text-align: center;
  line-height: 1.5;
  margin-top: 8px;
  padding: 0 20px;
}

/* ---- Status bar ---- */
.status-bar {
  display: flex;
  align-items: center;
  padding: 2px 8px;
  background: var(--sz-color-button-face);
  border-top: 1px solid var(--sz-color-button-shadow);
  font-size: 11px;
  color: var(--sz-color-button-text);
  flex-shrink: 0;
  gap: 16px;
  min-height: 20px;
}

.status-bar .status-section {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-bar .status-section.flex {
  flex: 1;
  min-width: 0;
}

/* ---- Dialogs ---- */
.dialog-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.3);
  z-index: 2000;
  justify-content: center;
  align-items: center;
}

.dialog-overlay.visible {
  display: flex;
}

.dialog {
  background: var(--sz-color-button-face);
  border: 2px outset var(--sz-color-button-shadow);
  min-width: 300px;
  max-width: 500px;
  box-shadow: 3px 3px 8px rgba(0,0,0,0.3);
}

.dialog-title {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
  padding: 4px 8px;
  font-weight: bold;
  font-size: 11px;
  user-select: none;
}

.dialog-body {
  padding: 12px;
  font-size: 11px;
}

.dialog-body p {
  margin-bottom: 8px;
}

.dialog-body input[type="text"] {
  width: 100%;
  padding: 2px 4px;
  font-size: 11px;
  border: 1px inset var(--sz-color-button-shadow);
  margin-top: 4px;
}

.dialog-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  padding: 8px 12px;
}

.dialog-buttons button {
  min-width: 72px;
  padding: 3px 12px;
  font-size: 11px;
  cursor: default;
}

/* ---- Bookmark manager list ---- */
.bm-list {
  max-height: 200px;
  overflow-y: auto;
  border: 1px inset var(--sz-color-button-shadow);
  background: var(--sz-color-window);
  margin-bottom: 8px;
}

.bm-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 6px;
  font-size: 11px;
  color: var(--sz-color-window-text);
  cursor: default;
}

.bm-list-item:hover {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
}

.bm-list-item .bm-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-right: 8px;
}

.bm-list-item .bm-url {
  font-size: 10px;
  opacity: 0.7;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 180px;
}

.bm-list-item .bm-delete {
  margin-left: 8px;
  padding: 1px 5px;
  font-size: 10px;
  cursor: default;
  flex-shrink: 0;
}

/* ---- Context menu ---- */
.context-menu {
  display: none;
  position: fixed;
  min-width: 120px;
  background: var(--sz-color-menu);
  border: 1px solid var(--sz-color-button-shadow);
  box-shadow: 2px 2px 4px rgba(0,0,0,0.2);
  z-index: 3000;
  padding: 2px 0;
}

.context-menu.visible {
  display: block;
}

.context-menu .ctx-entry {
  padding: 4px 16px;
  cursor: default;
  color: var(--sz-color-menu-text);
  white-space: nowrap;
  font-size: 11px;
}

.context-menu .ctx-entry:hover {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
}