/* ================================================================ */
/* CANVAS LAYOUT & WHITEBOARD */
/* ================================================================ */

#canvas-layout {
  display: flex;
  height: calc(100vh - 45px) !important;
  width: 100%;
  box-sizing: border-box;
  background: var(--canvasBG) !important;
  transition: background var(--transition-base);
}

#whiteboard-container {
  flex: 1;
  position: relative !important;
  background: var(--canvasBG) !important;
  border-radius: 0px;
  border: none;
  overflow-y: visible !important;
  overflow-x: hidden !important;
  min-height: 400px;
  height: auto !important;
}

#whiteboard-canvas {
  position: absolute !important;
  top: 0;
  left: 0;
  display: block;
  pointer-events: auto;
}

#canvas-sidepanel {
  min-width: 30px;
  max-width: 150px;
  background: var(--canvasBG-rgb) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 0px;
  padding: 15px 15px 0px 0px !important;
  overflow-y: none;
  height: calc(100% - 45px);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  margin-bottom: 0px;
  margin-top: 30px;
  overflow-x: hidden;
  transition: all var(--transition-base);
}

/* ================================================================ */
/* COLLAPSIBLE SECTIONS */
/* ================================================================ */

.collapsible {
  margin-bottom: 10px;
}

.collapse-section {
  margin-bottom: 10px;
}

.collapse-toggle {
  background: var(--canvasBG);
  align-items: center;
  color: var(--text-color);
  padding: 12px 15px;
  margin: 0;
  cursor: pointer;
  border: none;
  border-radius: 0px;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-base);
  width: 100%;
  text-align: left;
}

.collapse-toggle:hover {
  transform: translateX(2px);
}

.collapse-content,
.collapse-sub-content {
  padding: 10px 0;
  display: none;
  animation: slideDown 0.3s ease;
  margin-left: 30px !important;
  border-left: 1px solid var(--outline);
}

@keyframes slideDown {
  from {
    opacity: 0;
    max-height: 0;
  }
  to {
    opacity: 1;
    max-height: 500px;
  }
}

.icon-text {
  display: flex;
  align-items: center;
  gap: 8px;
  left: 0px;
}

/* ================================================================ */
/* TOOL PANEL BUTTONS */
/* ================================================================ */

.tool-panel-btn {
  width: 100%;
  background: var(--canvasBG);
  color: var(--text-color);
  align-items: center !important;
  border: none;
  padding: 8px 15px;
  margin: 3px 0 0 10px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition-base);
  text-align: left;
  position: relative;
}

.tool-panel-btn:hover {
  background: rgba(var(--accent-rgb), 0.1);
  transform: translateX(2px);
}

.tool-panel-btn.active {
  color: var(--accent-color);
  background: rgba(var(--accent-rgb), 0.15);
}

.tool-panel-btn svg {
  pointer-events: none;
}

/* ================================================================ */
/* COLOR SECTION */
/* ================================================================ */

.color-section {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 60px;
  margin-left: 40px;
  border-left: 1px solid var(--outline);
}

.preset-colors-container {
  max-height: 150px;
  overflow-y: auto;
  margin-bottom: 10px;
  border-radius: var(--border-radius-sm);
  padding: 4px;
}

.preset-color {
  width: 25px;
  height: 25px;
  border: 1px solid var(--outline);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  margin-left: 5px;
}

.preset-color:hover {
  transform: scale(1.15);
  border-color: var(--accent-color);
  box-shadow: 0 2px 8px rgba(var(--accent-rgb), 0.3);
}

.preset-color.selected {
  border-color: var(--accent-color);
  border-width: 3px;
  transform: scale(1.1);
  box-shadow: 0 0 0 2px var(--accent-color);
}

.custom-color-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--outline);
  justify-content: flex-start;
  margin-left: 10px;
}

.color-picker,
#text-color-picker {
  -webkit-appearance: none;
  border: 1px solid var(--outline);
  border-radius: 50%;
  width: 25px !important;
  height: 25px !important;
  padding: 0;
  background: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.color-picker::-webkit-color-swatch-wrapper {
  padding: 0;
  border-radius: 50%;
}

.color-picker::-webkit-color-swatch {
  border: none;
  border-radius: 50%;
}

.color-picker::-moz-color-swatch {
  border: none;
  border-radius: 50%;
}

.color-picker:hover,
.color-picker:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 8px rgba(var(--accent-rgb), 0.5);
  transform: scale(1.1);
}

.color-label {
  color: var(--text-color);
  font-size: 13px;
  font-weight: 500;
  line-height: 32px;
}

.color-input-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.color-picker-wrapper {
  display: flex;
  align-items: center;
}

/* ================================================================ */
/* SLIDER STYLES */
/* ================================================================ */

.slider-container {
  margin: 10px 0 0 10px;
  padding: 5px;
}

.size-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(var(--accent-rgb), 0.15) !important;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: background var(--transition-base);
}

.size-slider:hover {
  background: rgba(var(--accent-rgb), 0.25) !important;
}

.size-slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gradient-accent);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(var(--accent-rgb), 0.4);
  transition: all var(--transition-base);
}

.size-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.6);
}

.size-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gradient-accent);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 8px rgba(var(--accent-rgb), 0.4);
  transition: all var(--transition-base);
}

.size-slider::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.6);
}

/* ================================================================ */
/* SHAPE POPUP */
/* ================================================================ */

#shape-popup {
  display: none;
  margin-top: 5px;
  padding: 8px;
  background: var(--input);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--outline);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

#shape-popup .tool-panel-btn {
  margin: 2px 0;
  font-size: 12px;
  padding: 8px 12px;
}

/* ================================================================ */
/* DRAWER OVERRIDES */
/* ================================================================ */

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-color);
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
}

.close-btn:hover {
  background: rgba(var(--accent-rgb), 0.1);
  transform: rotate(90deg);
}

.drawer-content {
  height: calc(100vh - 60px);
  overflow: none !important;
}

#canvas-drawer .drawer-content {
  padding: 0;
  overflow: none !important;
  height: 100% !important;
  overflow-y: visible !important;
  overflow-x: hidden !important;
}

#canvas-drawer #canvas-layout {
  height: 100%;
}

.panel-content {
  color: var(--text-color);
}

/* ================================================================ */
/* TRANSCRIPTION MODAL */
/* ================================================================ */

.transcription-modal {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(20, 20, 20, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.transcription-modal.show {
  opacity: 1;
  pointer-events: auto;
}

#transcription-content {
  left: 60px !important;
  max-width: 700px !important;
  max-height: 700px !important;
  background: var(--bg);
  padding: 2rem;
  border-radius: var(--border-radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--outline);
}

.transcription-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--outline);
}

.ng-modal-title {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-color);
  letter-spacing: -0.3px;
}

.ng-close-btn,
.note-view-close {
  background: transparent;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
  margin-left: auto;
  padding: 8px;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
}

.ng-close-btn:hover,
.note-view-close:hover {
  background: rgba(var(--accent-rgb), 0.1);
  transform: rotate(90deg);
}

#transcription-scrollbox {
  margin-top: 8px;
  padding: 12px;
  background: var(--canvasBG);
  border-radius: var(--border-radius-sm);
  color: var(--latex) !important;
  font-size: 0.95rem;
  max-height: 500px;
  overflow-y: auto;
  border: 1px solid var(--outline);
}

#transcription-scrollbox::-webkit-scrollbar {
  width: 10px;
}

#transcription-scrollbox::-webkit-scrollbar-track {
  background: var(--scroll-track);
  border-radius: 10px;
}

#transcription-scrollbox::-webkit-scrollbar-thumb {
  background: var(--scroll-bar);
  border-radius: 10px;
  border: 2px solid var(--scroll-track);
  transition: background var(--transition-base);
}

#transcription-scrollbox::-webkit-scrollbar-thumb:hover {
  background: var(--accent-color);
}

.transcription-actions {
  display: flex !important;
  justify-content: center !important;
  gap: 12px;
  margin-top: 20px;
}

.transcription-actions .ng-btn {
  padding: 12px 24px !important;
  background: var(--input) !important;
  color: var(--text-color) !important;
  border: 1.5px solid var(--outline) !important;
  border-radius: 30px !important;
  font-size: 0.95rem !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  transition: all var(--transition-base) !important;
}

.transcription-actions .ng-btn:hover {
  background: rgba(var(--accent-rgb), 0.15) !important;
  border-color: var(--accent-color) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.2) !important;
}

#transcription-scrollbox .loading-dots {
  transform: translateX(-10px);
}

/* ================================================================ */
/* RESPONSIVE DESIGN */
/* ================================================================ */

@media (max-width: 768px) {
  #canvas-layout {
    flex-direction: column;
    gap: 5px;
    padding: 5px;
  }

  #canvas-sidepanel {
    width: 100%;
    max-height: 100%;
    order: -1;
  }

  #whiteboard-container {
    min-height: 300px;
    flex: 1;
  }

  #transcription-content {
    max-width: 90% !important;
    padding: 1.5rem;
  }
}

/* ================================================================ */
/* ENSURE PROPER CONTAINER HEIGHTS */
/* ================================================================ */

html,
body {
  height: 100%;
  overflow: hidden;
}

.drawer-content,
#canvas-layout,
#canvas-drawer .drawer-content {
  height: 100% !important;
  overflow-y: visible !important;
  overflow-x: hidden !important;
}