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

:root {
  --nn-bg: #c0c0c0;
  --nn-shadow-light: #ffffff;
  --nn-shadow-dark: #808080;
  --nn-shadow-darker: #404040;
  --nn-highlight: #000080;
  --nn-text: #000000;
  --nn-input-bg: #ffffff;
  --nn-toolbar-height: 36px;
}

body {
  font-family: "MS Sans Serif", "Helvetica Neue", Arial, sans-serif;
  font-size: 12px;
  background: var(--nn-bg);
  color: var(--nn-text);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  user-select: none;
}

/* Classic raised/sunken border helpers */
.raised {
  border: 2px solid;
  border-color: var(--nn-shadow-light) var(--nn-shadow-dark) var(--nn-shadow-dark) var(--nn-shadow-light);
}
.sunken {
  border: 2px solid;
  border-color: var(--nn-shadow-dark) var(--nn-shadow-light) var(--nn-shadow-light) var(--nn-shadow-dark);
}

/* ── Title bar ── */
.titlebar {
  background: var(--nn-highlight);
  color: white;
  padding: 3px 6px;
  font-weight: bold;
  font-size: 12px;
  flex-shrink: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 4px;
}
.titlebar-favicon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ── Menu bar ── */
.menubar {
  display: flex;
  align-items: center;
  padding: 2px 4px;
  background: var(--nn-bg);
  border-bottom: 1px solid var(--nn-shadow-dark);
  height: 24px;
  flex-shrink: 0;
}
.menu-wrapper {
  position: relative;
}
.menubar .menu-item {
  padding: 2px 8px;
  cursor: pointer;
  position: relative;
}
.menubar .menu-item:hover { background: var(--nn-highlight); color: white; }

/* ── Dropdown menus ── */
.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  max-height: 400px;
  overflow-y: auto;
  background: var(--nn-bg);
  border: 2px solid;
  border-color: var(--nn-shadow-light) var(--nn-shadow-dark) var(--nn-shadow-dark) var(--nn-shadow-light);
  box-shadow: 3px 3px 0 rgba(0,0,0,0.2);
  z-index: 500;
}
.dropdown.open { display: block; }
.dropdown-item {
  padding: 3px 8px;
  cursor: pointer;
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.dropdown-item:hover { background: var(--nn-highlight); color: white; }
.dropdown-item .url { font-size: 10px; color: #666; display: block; overflow: hidden; text-overflow: ellipsis; }
.dropdown-item:hover .url { color: #ccc; }
.dropdown-item .remove-btn {
  float: right;
  cursor: pointer;
  font-size: 10px;
  color: #999;
  padding: 0 2px;
}
.dropdown-item .remove-btn:hover { color: red; }
.dropdown-item:hover .remove-btn { color: #ccc; }
.dropdown-action {
  padding: 3px 8px;
  cursor: pointer;
  font-size: 11px;
  font-weight: bold;
}
.dropdown-action:hover { background: var(--nn-highlight); color: white; }
.dropdown-separator {
  height: 1px;
  background: var(--nn-shadow-dark);
  margin: 2px 4px;
}
.dropdown-empty {
  padding: 6px 8px;
  font-size: 11px;
  color: #888;
  font-style: italic;
}

/* ── Location bar ── */
.location-bar {
  display: flex;
  align-items: center;
  padding: 3px 4px;
  background: var(--nn-bg);
  border-bottom: 1px solid var(--nn-shadow-dark);
  gap: 4px;
  flex-shrink: 0;
}
.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 22px;
  font-size: 14px;
  cursor: pointer;
  color: var(--nn-text);
  background: var(--nn-bg);
  border: 1px solid var(--nn-shadow-dark);
  border-radius: 2px;
  flex-shrink: 0;
}
.nav-btn:hover { background: #d0d0d0; }
.nav-btn:active { background: #b0b0b0; }
.nav-btn.disabled { opacity: 0.3; pointer-events: none; }
.location-bar input {
  flex: 1;
  height: 22px;
  border: 2px solid;
  border-color: var(--nn-shadow-dark) var(--nn-shadow-light) var(--nn-shadow-light) var(--nn-shadow-dark);
  padding: 0 4px;
  font-family: inherit;
  font-size: 12px;
  outline: none;
  background: var(--nn-input-bg);
}
.cache-badge {
  display: none;
  padding: 1px 6px;
  background: #ffffcc;
  border: 1px solid #cca;
  font-size: 10px;
  color: #666;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.cache-badge:hover { background: #ffeeaa; color: #333; }
.cache-badge.visible { display: inline; }
.location-bar .search-input { flex: 0 0 200px; }
.location-bar .search-separator {
  width: 1px;
  height: 18px;
  background: var(--nn-shadow-dark);
  margin: 0 2px;
}

/* ── Main content area ── */
.main-area {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* Viewport */
.viewport {
  flex: 1;
  border: 2px solid;
  border-color: var(--nn-shadow-dark) var(--nn-shadow-light) var(--nn-shadow-light) var(--nn-shadow-dark);
  background: white;
  display: flex;
}
.viewport iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ── Status bar ── */
.statusbar {
  display: flex;
  align-items: center;
  padding: 2px 4px;
  background: var(--nn-bg);
  border-top: 2px solid;
  border-top-color: var(--nn-shadow-dark);
  height: 22px;
  flex-shrink: 0;
  gap: 4px;
}
.statusbar .status-text {
  flex: 1;
  border: 1px solid;
  border-color: var(--nn-shadow-dark) var(--nn-shadow-light) var(--nn-shadow-light) var(--nn-shadow-dark);
  padding: 0 4px;
  height: 16px;
  line-height: 16px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 11px;
}
.statusbar .progress-container {
  width: 120px;
  height: 16px;
  border: 1px solid;
  border-color: var(--nn-shadow-dark) var(--nn-shadow-light) var(--nn-shadow-light) var(--nn-shadow-dark);
  overflow: hidden;
}
.statusbar .progress-bar {
  height: 100%;
  background: var(--nn-highlight);
  width: 0%;
  transition: width 0.3s;
}

/* ── Config dialog (overlay) ── */
.config-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.config-overlay.open { display: flex; }
.config-dialog {
  background: var(--nn-bg);
  border: 2px solid;
  border-color: var(--nn-shadow-light) var(--nn-shadow-dark) var(--nn-shadow-dark) var(--nn-shadow-light);
  padding: 0;
  min-width: 380px;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.3);
}
.config-titlebar {
  background: var(--nn-highlight);
  color: white;
  padding: 3px 6px;
  font-weight: bold;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.config-titlebar .close-btn {
  background: var(--nn-bg);
  border: 2px solid;
  border-color: var(--nn-shadow-light) var(--nn-shadow-dark) var(--nn-shadow-dark) var(--nn-shadow-light);
  width: 16px;
  height: 14px;
  font-size: 10px;
  line-height: 10px;
  text-align: center;
  cursor: pointer;
  color: black;
}
.config-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.config-body label {
  font-weight: bold;
  font-size: 11px;
  display: block;
  margin-bottom: 2px;
}
.config-body input, .config-body select {
  width: 100%;
  height: 22px;
  border: 2px solid;
  border-color: var(--nn-shadow-dark) var(--nn-shadow-light) var(--nn-shadow-light) var(--nn-shadow-dark);
  padding: 0 4px;
  font-family: inherit;
  font-size: 12px;
  background: var(--nn-input-bg);
}
.config-body select { height: 24px; }
.config-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 8px;
}
.config-buttons button {
  padding: 3px 16px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  border: 2px solid;
  border-color: var(--nn-shadow-light) var(--nn-shadow-dark) var(--nn-shadow-dark) var(--nn-shadow-light);
  background: var(--nn-bg);
}
.config-buttons button:active {
  border-color: var(--nn-shadow-dark) var(--nn-shadow-light) var(--nn-shadow-light) var(--nn-shadow-dark);
}
.config-row { }
.config-row.ollama-only { display: none; }
.config-row.ollama-only.show { display: block; }
.config-row.provider-help { display: none; }
.config-row.provider-help.show { display: block; }
.provider-instructions {
  font-size: 11px;
  line-height: 1.5;
  padding: 6px;
  background: #ffffcc;
  border: 1px solid #ccc;
}
.provider-instructions a { color: #000080; }
.provider-instructions code {
  display: block;
  margin: 4px 0;
  padding: 3px 6px;
  background: #333;
  color: #0f0;
  font-family: "Courier New", monospace;
  font-size: 11px;
}

/* ── View Source dialog ── */
.source-dialog {
  min-width: 600px;
  max-width: 80vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}
.source-body {
  flex: 1;
  overflow: auto;
  background: white;
  border: 2px solid;
  border-color: var(--nn-shadow-dark) var(--nn-shadow-light) var(--nn-shadow-light) var(--nn-shadow-dark);
  margin: 4px;
  max-height: 70vh;
}
.copy-btn {
  padding: 1px 8px;
  font-size: 10px;
  font-family: inherit;
  background: var(--nn-bg);
  border: 1px solid;
  border-color: var(--nn-shadow-light) var(--nn-shadow-dark) var(--nn-shadow-dark) var(--nn-shadow-light);
  cursor: pointer;
  color: black;
  margin-left: auto;
  margin-right: 4px;
}
.copy-btn:active {
  border-color: var(--nn-shadow-dark) var(--nn-shadow-light) var(--nn-shadow-light) var(--nn-shadow-dark);
}
.source-body pre {
  padding: 8px;
  font-family: "Courier New", monospace;
  font-size: 11px;
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 0;
  user-select: text;
  cursor: text;
}