/* Windows-style UI Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-color);
  overflow: hidden;
  transition: background-color 0.2s;
}

/* Tab Bar */
#tab-bar-container {
  background-color: var(--tab-container-bg);
  display: flex;
  align-items: flex-end;
  padding-top: 5px;
  border-bottom: 1px solid var(--border-color);
  transition:
    background-color 0.2s,
    border-color 0.2s;
}

#tab-bar {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
}

#tab-bar::-webkit-scrollbar {
  display: none;
}

.tab {
  display: flex;
  align-items: center;
  background-color: var(--tab-bg);
  border: 1px solid transparent;
  border-bottom: none;
  padding: 5px 10px 5px 15px;
  margin-right: 2px;
  min-width: 120px;
  max-width: 200px;
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  color: var(--tab-text);
  user-select: none;
  transition:
    background-color 0.2s,
    color 0.2s;
}

.tab.active {
  background-color: var(--tab-active-bg);
  border-color: var(--border-color);
  border-bottom: 1px solid var(--tab-active-bg);
  margin-bottom: -1px;
  color: var(--tab-active-text);
}

.tab:hover:not(.active) {
  background-color: var(--tab-hover-bg);
}

.tab-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-grow: 1;
}

.close-btn {
  margin-left: 8px;
  font-size: 16px;
  line-height: 1;
  padding: 2px 5px;
  border-radius: 3px;
  color: var(--close-color);
  transition:
    background-color 0.1s,
    color 0.1s;
}

.close-btn:hover {
  background-color: var(--close-hover-bg);
  color: var(--close-hover-color);
}

.active .close-btn:hover {
  background-color: var(--close-active-hover-bg);
}

/* Add Tab Button */
#add-tab-btn {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 2px 10px;
  color: var(--btn-color);
  border-radius: 4px;
  margin: 0 5px 3px 5px;
  transition:
    background-color 0.2s,
    color 0.2s;
}

#add-tab-btn:hover {
  background-color: var(--btn-hover-bg);
}

/* Editor Area */
#editor-container {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--editor-bg);
  transition: background-color 0.2s;
}

textarea {
  flex-grow: 1;
  width: 100%;
  border: none;
  outline: none;
  resize: none;
  padding: 10px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 14px;
  line-height: 1.5;
  color: var(--editor-text);
  background-color: transparent;
  transition: color 0.2s;
}

/* Status Bar */
#status-bar {
  background-color: var(--status-bg);
  border-top: 1px solid var(--status-border);
  padding: 4px 15px;
  font-size: 12px;
  color: var(--status-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition:
    background-color 0.2s,
    border-color 0.2s,
    color 0.2s;
}

.status-left,
.status-right {
  display: flex;
  align-items: center;
  gap: 15px;
}

.status-divider {
  opacity: 0.4;
  user-select: none;
}

/* Action Buttons */
.action-btn {
  background-color: var(--action-bg);
  border: 1px solid var(--action-border);
  padding: 2px 12px;
  font-size: 12px;
  cursor: pointer;
  border-radius: 2px;
  color: var(--action-text);
  transition: all 0.2s;
  outline: none;
}

.action-btn:hover {
  background-color: var(--action-hover-bg);
  border-color: var(--action-hover-border);
  color: var(--action-hover-text);
}

select.action-btn {
  padding: 2px 5px;
}

/* Settings Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--modal-overlay);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background-color: var(--modal-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  width: 320px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  color: var(--editor-text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 15px;
  background-color: var(--tab-container-bg);
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 14px;
  font-weight: 600;
}

.close-modal-btn {
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  color: var(--close-color);
  transition: color 0.2s;
}

.close-modal-btn:hover {
  color: var(--close-hover-color);
}

.modal-body {
  padding: 20px 15px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.button-group {
  display: flex;
  gap: 5px;
}