content.css

/* ============================================================
   LinuxDo Star - Content Styles
   Design System:
   - Primary accent: #f5a623 (amber/gold) for stars
   - Header gradient: #667eea → #764ba2 (purple-blue)
   - Font: inherit from Discourse (system font stack)
   - Spacing: 4px base unit
   - Border-radius: 4px (match Discourse)
   - Transitions: 200ms ease (micro-interactions)
   ============================================================ */

/* ===== Star Button - Matches Discourse native btn style ===== */
.ld-star-btn.btn.btn-icon.btn-flat {
  /* Inherit Discourse's btn-flat sizing/spacing */
  position: relative;
  /* Ensure the entire button area is clickable */
  cursor: pointer;
}

/* Make sure all child elements pass clicks to the button */
.ld-star-btn * {
  pointer-events: none;
}

/* Star icon - match Discourse icon sizing */
.ld-star-btn .ld-star-icon {
  width: 1em;
  height: 1em;
  transition: transform 200ms ease;
}

/* Unstarred: gray like other icons */
.ld-star-btn .ld-star-icon path {
  fill: none;
  stroke: var(--primary-medium, #919191);
  stroke-width: 1.5;
  stroke-linejoin: round;
  transition: fill 200ms ease, stroke 200ms ease;
}

.ld-star-btn:hover .ld-star-icon path {
  stroke: #eab308;
  fill: rgba(234, 179, 8, 0.1);
}

/* Starred state */
.ld-star-btn.ld-star-active .ld-star-icon path {
  fill: #eab308;
  stroke: #eab308;
}

.ld-star-btn.ld-star-active:hover .ld-star-icon path {
  fill: #ca8a04;
  stroke: #ca8a04;
}

/* Pop animation on star */
@keyframes ld-star-pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.35); }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); }
}

.ld-star-btn.ld-star-just-activated .ld-star-icon {
  animation: ld-star-pop 350ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ===== Topic Title Star (standalone, not in action bar) ===== */
.ld-star-topic-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-left: 6px;
  vertical-align: middle;
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  padding: 0;
  transition: background 150ms ease;
}
.ld-star-topic-btn * { pointer-events: none; }
.ld-star-topic-btn:hover {
  background: rgba(234, 179, 8, 0.1);
}
.ld-star-topic-btn .ld-star-icon {
  width: 20px;
  height: 20px;
}

/* ===== Cascade Indicator (blue dot) ===== */
.ld-star-btn.ld-star-cascade::after {
  content: '';
  position: absolute;
  top: 4px;
  right: 4px;
  width: 6px;
  height: 6px;
  background: #667eea;
  border-radius: 50%;
  border: 1px solid white;
}

/* ===== Collection Picker Popup ===== */
.ld-star-popup {
  background: #ffffff;
  border: 1px solid #e4e4e7;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12), 0 1px 3px rgba(0, 0, 0, 0.06);
  min-width: 200px;
  max-width: 260px;
  padding: 4px;
  animation: ld-popup-in 150ms ease;
  font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
  display: flex;
  flex-direction: column;
}

@keyframes ld-popup-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.ld-star-popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px 2px;
  font-size: 11px;
  font-weight: 600;
  color: #a1a1aa;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.ld-star-popup-total {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

/* Search in popup */
.ld-star-popup-search-wrap {
  padding: 4px 6px;
}

.ld-star-popup-search {
  width: 100%;
  height: 28px;
  padding: 0 8px;
  border: 1px solid #e4e4e7;
  border-radius: 5px;
  font-size: 12px;
  color: #09090b;
  outline: none;
  background: #fafafa;
  transition: border-color 100ms;
}

.ld-star-popup-search:focus {
  border-color: #a1a1aa;
  background: #fff;
}

.ld-star-popup-search::placeholder {
  color: #a1a1aa;
}

/* Scrollable list */
.ld-star-popup-list {
  max-height: 200px;
  overflow-y: auto;
  padding: 2px 0;
}

.ld-star-popup-list::-webkit-scrollbar {
  width: 4px;
}

.ld-star-popup-list::-webkit-scrollbar-thumb {
  background: #d4d4d8;
  border-radius: 2px;
}

.ld-star-popup-empty {
  padding: 12px 10px;
  text-align: center;
  font-size: 12px;
  color: #a1a1aa;
}

.ld-star-popup-header {
  padding: 6px 10px 4px;
  font-size: 11px;
  font-weight: 600;
  color: #a1a1aa;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.ld-star-popup-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 10px;
  border: none;
  background: transparent;
  border-radius: 5px;
  cursor: pointer;
  font-size: 13px;
  color: #09090b;
  text-align: left;
  transition: background 80ms;
}

.ld-star-popup-item:hover {
  background: #f4f4f5;
}

.ld-star-popup-item.active {
  background: #f4f4f5;
  font-weight: 500;
}

.ld-star-popup-icon {
  font-size: 14px;
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}

.ld-star-popup-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ld-star-popup-check {
  color: #22c55e;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}

.ld-star-popup-new {
  border-top: 1px solid #f4f4f5;
  margin-top: 2px;
  padding-top: 7px;
  color: #71717a;
}

.ld-star-popup-new:hover {
  color: #09090b;
}

.ld-star-popup-input-row {
  display: flex;
  gap: 4px;
  padding: 4px 6px;
}

.ld-star-popup-input {
  flex: 1;
  height: 28px;
  padding: 0 8px;
  border: 1px solid #e4e4e7;
  border-radius: 5px;
  font-size: 12px;
  color: #09090b;
  outline: none;
}

.ld-star-popup-input:focus {
  border-color: #a1a1aa;
}

.ld-star-popup-input-ok {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e4e4e7;
  border-radius: 5px;
  background: #18181b;
  color: #fff;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.ld-star-popup-input-ok:hover {
  background: #27272a;
}

/* ===== Toast Notification ===== */
.ld-star-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: #1a1a2e;
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  z-index: 99999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease, transform 250ms ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.ld-star-toast.ld-star-toast-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.ld-star-toast-icon {
  font-size: 16px;
  flex-shrink: 0;
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  .ld-star-btn,
  .ld-star-btn .ld-star-icon,
  .ld-star-btn .ld-star-icon path,
  .ld-star-toast {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
  }
}