/**
 * MUSE Sidebar Styles — contemporary neutral palette with refined iconography
 */

:root {
  --muse-accent: #9c88b1;
  --muse-accent-soft: rgba(156, 136, 177, 0.18);
  --muse-border: #1f1f25;
  --muse-surface: #121214;
  --muse-surface-elevated: #18181d;
  --muse-surface-hover: rgba(156, 136, 177, 0.08);
  --muse-text-strong: #f1f1f4;
  --muse-text: rgba(241, 241, 244, 0.82);
  --muse-text-muted: #8a8a96;
  --muse-text-soft: #6f6f79;
}

/* Prevent <strong>/<b> from inheriting browser default bold weight (400) which loads different font file */
#muse-content strong,
#muse-content b {
  font-weight: inherit;
}

/* Note: Scrollbar styling is in multi-chat.css for .sidebar-content, which contains both chat history and MUSE content */

/* Gradient fade at bottom of MUSE sidebar */
#muse-sidebar::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: linear-gradient(180deg, rgba(18, 18, 20, 0) 0%, var(--muse-surface) 100%);
  pointer-events: none;
  z-index: 10;
}

/* Icon system */
.muse-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  color: var(--accent-warm, #f5c84c);
  background-color: currentColor;
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
}

.muse-icon--spark {
  mask-image: url('/static/icons/spark.svg');
  -webkit-mask-image: url('/static/icons/spark.svg');
}

.muse-icon--history {
  mask-image: url('/static/icons/clock.svg');
  -webkit-mask-image: url('/static/icons/clock.svg');
}

.muse-icon--target {
  mask-image: url('/static/icons/target.svg');
  -webkit-mask-image: url('/static/icons/target.svg');
}

.muse-icon--dna {
  mask-image: url('/static/icons/dna.svg');
  -webkit-mask-image: url('/static/icons/dna.svg');
}

.muse-icon--chip {
  mask-image: url('/static/icons/chip.svg');
  -webkit-mask-image: url('/static/icons/chip.svg');
}

.muse-icon--pattern {
  mask-image: url('/static/icons/pattern.svg');
  -webkit-mask-image: url('/static/icons/pattern.svg');
}

.muse-icon--scene {
  mask-image: url('/static/icons/scene.svg');
  -webkit-mask-image: url('/static/icons/scene.svg');
}

.muse-icon--thumb-up {
  mask-image: url('/static/icons/thumb-up.svg');
  -webkit-mask-image: url('/static/icons/thumb-up.svg');
}

.muse-icon--thumb-down {
  mask-image: url('/static/icons/thumb-down.svg');
  -webkit-mask-image: url('/static/icons/thumb-down.svg');
}

.muse-icon--phase {
  mask-image: url('/static/icons/phase.svg');
  -webkit-mask-image: url('/static/icons/phase.svg');
}

/* Tab Navigation */
.sidebar-tabs {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 16px;
  padding: 14px 16px;
  border: 1px solid var(--muse-border);
  border-radius: 18px;
  background: rgba(20, 20, 24, 0.92);
  backdrop-filter: blur(12px);
}

.sidebar-tab {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 14px;
  color: var(--muse-text-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.sidebar-tab:hover {
  color: var(--muse-text-strong);
  background: var(--muse-surface-hover);
  border-color: rgba(156, 136, 177, 0.25);
}

.sidebar-tab.active {
  color: #ffffff;
  background: rgba(156, 136, 177, 0.16);
  border-color: rgba(156, 136, 177, 0.45);
  box-shadow: inset 0 0 20px rgba(156, 136, 177, 0.12);
}

.sidebar-tab.active .muse-icon {
  color: var(--accent-warm, #f5c84c);
}

.sidebar-tab-label {
  line-height: 1;
}

.muse-badge {
  display: none;
}

/* MUSE Content Container */
.muse-content {
  padding: 0 16px 70px 16px;
  height: auto;
  word-wrap: break-word;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

/* Loading State */
.muse-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 44px 0;
  color: var(--muse-text-muted);
  gap: 14px;
  flex: 1;
  width: 100%;
  min-height: 0;
  text-align: center;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 0 12px rgba(156, 136, 177, 0.35));
  margin: 0 auto;
}

/* Empty State */
.muse-empty {
  text-align: center;
  padding: 44px 0;
  color: var(--muse-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  width: 100%;
}

.empty-message {
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--muse-text);
  margin-bottom: 8px;
  width: 100%;
}

.empty-hint {
  font-size: 13px;
  color: var(--muse-text-muted);
}

/* MUSE Sections */
.muse-section {
  margin-bottom: 22px;
}

.muse-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muse-text-muted);
  margin-bottom: 14px;
}

.muse-section-title-label {
  display: flex;
  align-items: center;
  gap: 10px;
}

.muse-section-title .muse-icon {
  width: 18px;
  height: 18px;
}

.muse-section-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.muse-section-controls.hidden {
  visibility: hidden;
  pointer-events: none;
}

.muse-panel-position {
  font-size: 11px;
  color: var(--muse-text-muted);
  letter-spacing: 0.08em;
}

.muse-arrow {
  background: transparent;
  border: none;
  color: var(--muse-text-muted);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  padding: 0 6px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.muse-arrow:hover {
  color: var(--muse-text);
  transform: translateY(-1px);
}

.muse-arrow:active {
  transform: translateY(0);
}

.muse-arrow[disabled] {
  visibility: hidden;
  pointer-events: none;
}

.muse-panel-content {
  position: relative;
  overflow: hidden;
  transition: height 0.25s ease;
}

.muse-panel-content.is-animating {
  will-change: height;
}

.muse-panel-inner {
  position: relative;
  width: 100%;
}

.muse-panel-inner.is-absolute {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}

.muse-panel-inner.enter-from-left {
  animation: museSlideInFromLeft 0.26s ease forwards;
}

.muse-panel-inner.enter-from-right {
  animation: museSlideInFromRight 0.26s ease forwards;
}

.muse-panel-inner.exit-to-left {
  animation: museSlideOutToLeft 0.26s ease forwards;
}

.muse-panel-inner.exit-to-right {
  animation: museSlideOutToRight 0.26s ease forwards;
}

@keyframes museSlideInFromLeft {
  0% {
    transform: translateX(-12%);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes museSlideInFromRight {
  0% {
    transform: translateX(12%);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes museSlideOutToLeft {
  0% {
    transform: translateX(0);
    opacity: 1;
  }
  100% {
    transform: translateX(-12%);
    opacity: 0;
  }
}

@keyframes museSlideOutToRight {
  0% {
    transform: translateX(0);
    opacity: 1;
  }
  100% {
    transform: translateX(12%);
    opacity: 0;
  }
}

.muse-empty-message {
  color: var(--muse-text-muted);
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
  margin: 8px 0;
}

/* MUSE Cards */
.muse-card {
  background: var(--muse-surface-elevated);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 16px;
  padding: 18px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  word-wrap: break-word;
  overflow-wrap: break-word;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
}

.muse-card:hover {
  border-color: rgba(156, 136, 177, 0.4);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.32);
}

.muse-card p {
  margin: 0;
  color: var(--muse-text);
  font-size: 14px;
  line-height: 1.5;
}

/* DNA Items */
.dna-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dna-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dna-name {
  flex: 1;
  font-size: 13px;
  color: var(--muse-text);
}

.dna-strength {
  width: 90px;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 30px;
  overflow: hidden;
}

.dna-bar {
  height: 100%;
  background: linear-gradient(90deg, rgba(245, 200, 76, 0.85) 0%, rgba(245, 200, 76, 0.35) 100%);
  border-radius: inherit;
  transition: width 0.5s ease;
}

/* Technical Items */
.tech-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  font-size: 12px;
  color: var(--muse-text);
}

.tech-name {
  color: var(--muse-text);
}

.tech-freq {
  color: var(--accent-warm, #f5c84c);
  font-weight: 600;
}

/* Suggestions */
.suggestions .suggestion-item,
.references .reference-item {
  position: relative;
  padding-left: 24px;
  margin-bottom: 14px;
  color: var(--muse-text);
  line-height: 1.45;
}

.suggestions .suggestion-item::before,
.pattern-suggestion::before,
.references .reference-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.3em;
  width: 14px;
  height: 14px;
  background-color: var(--accent-warm, #f5c84c);
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
}

.suggestions .suggestion-item::before {
  mask-image: url('/static/icons/phase.svg');
  -webkit-mask-image: url('/static/icons/phase.svg');
}

.pattern-suggestion::before {
  mask-image: url('/static/icons/pattern.svg');
  -webkit-mask-image: url('/static/icons/pattern.svg');
}

.references .reference-item::before {
  mask-image: url('/static/icons/scene.svg');
  -webkit-mask-image: url('/static/icons/scene.svg');
}

.suggestions .suggestion-item:last-child,
.references .reference-item:last-child {
  margin-bottom: 0;
}

/* Scene references wrappers */
.suggestion-wrapper,
.reference-wrapper {
  margin-bottom: 14px;
}

.suggestion-wrapper:last-child,
.reference-wrapper:last-child {
  margin-bottom: 0;
}

/* Pattern Insights */
.patterns {
  padding: 8px 0 !important;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pattern-item {
  padding: 14px 16px;
  background: transparent;
  border: none;
  border-radius: 12px;
  transition: background-color 0.2s ease;
}

.pattern-item:last-child {
  margin-bottom: 0;
}

.pattern-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.pattern-icon {
  width: 16px;
  height: 16px;
}

.pattern-type {
  flex: 1;
  color: var(--muse-text);
  font-weight: 600;
  text-transform: capitalize;
  letter-spacing: 0.04em;
}

.pattern-confidence {
  color: var(--accent-warm, #f5c84c);
  font-weight: 600;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(245, 200, 76, 0.14);
}

.pattern-insight {
  color: var(--muse-text);
  font-size: 14px;
  line-height: 1.45;
  margin-bottom: 10px;
}

.pattern-suggestion {
  color: var(--muse-text-muted);
  font-size: 13px;
  font-style: italic;
  line-height: 1.35;
  margin: 0;
  padding-left: 24px;
  position: relative;
}

/* Feedback Buttons */
.feedback-buttons {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  justify-content: flex-start;
  align-items: center;
}

.feedback-btn {
  width: 30px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid rgba(156, 136, 177, 0.18);
  background: rgba(156, 136, 177, 0.08);
  color: rgba(202, 184, 222, 0.9);
  cursor: pointer;
  padding: 0;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.15s ease, color 0.2s ease;
}

.feedback-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(156, 136, 177, 0.4);
  background: rgba(156, 136, 177, 0.16);
  color: #ffffff;
}

.feedback-btn .feedback-icon {
  width: 14px;
  height: 14px;
  background-color: currentColor;
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
}

.feedback-btn.thumbs-up .feedback-icon {
  mask-image: url('/static/icons/thumb-up.svg');
  -webkit-mask-image: url('/static/icons/thumb-up.svg');
}

.feedback-btn.thumbs-down .feedback-icon {
  mask-image: url('/static/icons/thumb-down.svg');
  -webkit-mask-image: url('/static/icons/thumb-down.svg');
}

.feedback-btn.thumbs-up.active {
  background: rgba(118, 189, 169, 0.16);
  border-color: rgba(118, 189, 169, 0.32);
  color: #7bbfa7;
}

.feedback-btn.thumbs-down.active {
  background: rgba(207, 134, 134, 0.16);
  border-color: rgba(207, 134, 134, 0.32);
  color: #d08989;
}

.pattern-item .feedback-buttons {
  margin-top: 14px;
}

.feedback-confirmation {
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.32);
}

/* Phase indicator */
.phase-indicator {
  padding: 14px !important;
}

.phase-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: rgba(156, 136, 177, 0.12);
  border: 1px solid rgba(156, 136, 177, 0.3);
  border-radius: 12px;
  width: fit-content;
}

.phase-label {
  color: var(--muse-accent);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

/* Error State */
.muse-error {
  text-align: center;
  padding: 34px;
  color: var(--muse-text-muted);
}

.muse-error button {
  margin-top: 16px;
  padding: 10px 24px;
  background: rgba(156, 136, 177, 0.14);
  border: 1px solid rgba(156, 136, 177, 0.35);
  color: var(--muse-text);
  border-radius: 12px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.muse-error button:hover {
  background: rgba(156, 136, 177, 0.22);
  border-color: rgba(156, 136, 177, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
  .muse-content {
    padding: 0 12px 60px 12px;
  }

  .muse-card {
    padding: 16px;
  }

  .dna-strength {
    width: 70px;
  }

  .sidebar-tabs {
    margin: 0 12px;
    padding: 12px;
    gap: 8px;
  }

  .sidebar-tab {
    padding: 9px 12px;
    font-size: 11px;
    letter-spacing: 0.1em;
  }
}