/**
 * JsCAD - Ribbon Bar Styling
 * Ribbon tabs, tool panels, tooltips and icon buttons
 */

#ribbon-container {
  height: var(--ribbon-height);
  background: var(--acad-bg-panel);
  border-bottom: 1px solid var(--acad-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 90;
}

/* Ribbon Tabs Header */
.ribbon-tabs {
  display: flex;
  background: var(--acad-bg-darkest);
  border-bottom: 1px solid var(--acad-border);
  padding: 0 10px;
}

.ribbon-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--acad-text);
  padding: 5px 14px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.1s ease;
}

.ribbon-tab-btn:hover {
  color: var(--acad-text-bright);
  background: rgba(255, 255, 255, 0.05);
}

.ribbon-tab-btn.active {
  color: var(--acad-text-bright);
  background: var(--acad-bg-panel);
  border-bottom: 2px solid var(--acad-blue);
  font-weight: 600;
}

/* Ribbon Panels Body */
.ribbon-content {
  flex: 1;
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
}

.ribbon-tab-panel {
  display: none;
  height: 100%;
  align-items: stretch;
  padding: 4px 4px 0;
  gap: 4px;
  box-sizing: border-box;
}

.ribbon-tab-panel.active {
  display: flex;
  /* Narrow windows scroll the ribbon sideways instead of cutting panels off */
  overflow-x: auto;
  overflow-y: hidden;
}

/* Firefox: thin scrollbar (in Chromium, scrollbar-width would disable the styled 6px one below) */
@supports (-moz-appearance: none) {
  .ribbon-tab-panel.active {
    scrollbar-width: thin;
  }
}

.ribbon-tab-panel.active::-webkit-scrollbar {
  height: 6px;
}

.ribbon-tab-panel.active::-webkit-scrollbar-thumb {
  background: var(--acad-border-light, #4a505a);
  border-radius: 3px;
}

.ribbon-tab-panel.active::-webkit-scrollbar-track {
  background: transparent;
}

.ribbon-tab-panel > .ribbon-panel {
  flex-shrink: 0;
  /* Three button rows + title; the ribbon height leaves room below for a scrollbar */
  min-height: 90px;
}

/* Individual Ribbon Panel */
.ribbon-panel {
  display: flex;
  flex-direction: column;
  background: var(--acad-bg-dark);
  border: 1px solid var(--acad-border);
  border-radius: 3px;
  padding: 4px;
  position: relative;
  flex-shrink: 0;
}

.panel-tools {
  display: flex;
  flex: 1;
  gap: 4px;
  align-items: center;
}

.panel-title {
  font-size: 9px;
  text-align: center;
  color: var(--acad-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2px;
}

/* Large Tool Button */
.ribbon-btn-large {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 3px;
  color: var(--acad-text);
  padding: 4px 6px;
  min-width: 44px;
  height: 56px;
  cursor: pointer;
  gap: 3px;
  transition: all 0.12s ease;
}

.ribbon-btn-large:hover {
  background: var(--acad-bg-hover);
  border-color: var(--acad-border-light);
  color: var(--acad-text-bright);
}

.ribbon-btn-large:active {
  background: var(--acad-bg-active);
  border-color: var(--acad-blue);
}

.tool-icon-lg {
  font-size: 18px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 22px;
}

.tool-label {
  font-size: 10px;
  text-align: center;
  line-height: 1.1;
  white-space: nowrap;
}

/* Tool Rows for Compact Buttons */
.tool-col {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ribbon-btn-small {
  display: flex;
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--acad-text);
  padding: 2px 5px;
  height: 22px;
  cursor: pointer;
  gap: 6px;
  font-size: 11px;
  transition: all 0.12s ease;
}

.ribbon-btn-small:hover {
  background: var(--acad-bg-hover);
  border-color: var(--acad-border-light);
  color: var(--acad-text-bright);
}

.tool-icon-sm {
  font-size: 13px;
  width: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Dropdown Selectors inside Ribbon */
.ribbon-select {
  background: var(--acad-bg-darkest);
  border: 1px solid var(--acad-border);
  color: var(--acad-text-bright);
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 11px;
  height: 22px;
  outline: none;
  cursor: pointer;
}

.ribbon-select:focus {
  border-color: var(--acad-blue);
}

.panel-row {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 2px;
}

.panel-row label {
  font-size: 10px;
  color: var(--acad-text-dim);
  width: 50px;
}

/* Compact rows so three property selectors fit the ribbon height */
.tool-col .panel-row {
  margin-bottom: 0;
}

.tool-col .panel-row .ribbon-select {
  height: 19px;
  padding: 0 4px;
  font-size: 10px;
}

.tool-col .panel-row label {
  width: 58px;
}