/* =========================================================
 * LMS Live Room — v4.0.0
 * Chat · Polls · Breakouts · Reactions · Viewer count
 * ---------------------------------------------------------
 * Conventions
 *   - All classes are namespaced with `lms-lr-`
 *   - Colors: slate scale + blue (#2563eb) accent, green/red states
 *   - Radii: 6 / 8 / 10 / 12 / 999
 * ========================================================= */

/* =========================================================
 * 1. Header — viewer count
 * ========================================================= */
.lms-lr-viewers {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-right: 0.4rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: #475569;
  background: #f1f5f9;
  border-radius: 999px;
}

.lms-lr-viewers-dot {
  width: 8px;
  height: 8px;
  background: #16a34a;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
}

.lms-lr-viewers-label {
  margin-left: 0.1rem;
  font-weight: 500;
  color: #94a3b8;
}

/* =========================================================
 * 2. Sidebar — badge variants
 * ========================================================= */
.lms-lr-sidebar-unread {
  min-width: 18px;
  margin-left: auto;
  padding: 0.1rem 0.45rem;
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
  text-align: center;
  background: #dc2626;
  border-radius: 999px;
}

.lms-lr-sidebar-unread[hidden] {
  display: none !important;
}

.lms-lr-sidebar-badge {
  margin-left: 0.35rem;
  padding: 0.1rem 0.45rem;
  font-size: 0.68rem;
  font-weight: 700;
  color: #334155;
  background: #e2e8f0;
  border-radius: 999px;
}

/* =========================================================
 * 3. Chat panel
 * ========================================================= */
.lms-lr-chat {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.lms-lr-chat-log {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.6rem;
  min-height: 0;
  padding: 1rem;
  overflow-y: auto;
  background: #f8fafc;
  scroll-behavior: smooth;
  overscroll-behavior: contain;
}

.lms-lr-chat-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 3rem 1rem;
  font-size: 0.88rem;
  color: #94a3b8;
  text-align: center;
}

.lms-lr-chat-empty span {
  font-size: 2.5rem;
}

.lms-lr-chat-msg {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  max-width: 92%;
  padding: 0.6rem 0.8rem;
  overflow-wrap: anywhere;
  word-wrap: break-word;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
}

.lms-lr-chat-msg.is-mine {
  margin-left: auto;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-color: #bfdbfe;
}

.lms-lr-chat-msg.is-system {
  align-self: center;
  max-width: 100%;
  padding: 0.25rem 0.5rem;
  font-size: 0.82rem;
  color: #64748b;
  text-align: center;
  background: transparent;
  border: 0;
}

.lms-lr-chat-msg.is-system .lms-lr-chat-system-text {
  font-style: italic;
}

.lms-lr-chat-author {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.82rem;
}

.lms-lr-chat-author strong {
  font-weight: 700;
  color: #0f172a;
}

.lms-lr-chat-msg.is-mine .lms-lr-chat-author strong {
  color: #1e40af;
}

.lms-lr-chat-time {
  margin-left: auto;
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  color: #94a3b8;
}

.lms-lr-chat-text {
  font-size: 0.9rem;
  line-height: 1.5;
  color: #334155;
}

.lms-lr-chat-msg.is-mine .lms-lr-chat-text {
  color: #1e3a8a;
}

/* --- Compose --- */
.lms-lr-chat-compose {
  flex-shrink: 0;
  padding: 0.65rem 0.75rem;
  background: #fff;
  border-top: 1px solid #e2e8f0;
}

.lms-lr-chat-emoji-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
  padding: 0.35rem;
  background: #f1f5f9;
  border-radius: 8px;
}

.lms-lr-chat-emoji-row[hidden] {
  display: none !important;
}

.lms-lr-chat-emoji {
  padding: 0.2rem 0.35rem;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  background: transparent;
  border: 0;
  border-radius: 6px;
  transition: background 0.12s ease;
}

.lms-lr-chat-emoji:hover {
  background: #fff;
}

.lms-lr-chat-input-row {
  display: flex;
  align-items: flex-end;
  gap: 0.4rem;
}

.lms-lr-chat-input-row textarea {
  flex: 1;
  min-height: 38px;
  max-height: 120px;
  padding: 0.55rem 0.7rem;
  font-family: inherit;
  font-size: 0.9rem;
  line-height: 1.4;
  color: inherit;
  resize: none;
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  outline: 0;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.lms-lr-chat-input-row textarea:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.lms-lr-chat-emoji-toggle,
.lms-lr-chat-send {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  font-size: 1rem;
  cursor: pointer;
  border: 0;
  border-radius: 10px;
  transition: transform 0.12s ease, background 0.12s ease;
}

.lms-lr-chat-emoji-toggle {
  color: #334155;
  background: #f1f5f9;
}

.lms-lr-chat-emoji-toggle:hover {
  background: #e2e8f0;
}

.lms-lr-chat-send {
  color: #fff;
  background: #0f172a;
}

.lms-lr-chat-send:hover:not(:disabled) {
  background: #1e293b;
  transform: translateY(-1px);
}

.lms-lr-chat-send:disabled {
  cursor: not-allowed;
  opacity: 0.4;
  transform: none;
}

/* =========================================================
 * 4. Polls panel
 * ========================================================= */
.lms-lr-polls {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.lms-lr-polls-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid #f1f5f9;
}

.lms-lr-polls-head h4 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.lms-lr-polls-list {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 0;
  padding: 1rem;
  overflow-y: auto;
  background: #f8fafc;
}

.lms-lr-poll {
  padding: 1rem;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
}

.lms-lr-poll.is-closed {
  background: #f1f5f9;
  opacity: 0.75;
}

.lms-lr-poll-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.lms-lr-poll-q {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.4;
  color: #0f172a;
}

.lms-lr-poll-status {
  flex-shrink: 0;
  padding: 0.15rem 0.5rem;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #166534;
  background: #dcfce7;
  border-radius: 999px;
}

.lms-lr-poll.is-closed .lms-lr-poll-status {
  color: #475569;
  background: #e2e8f0;
}

/* --- Options list (results / voting) --- */
.lms-lr-poll-options {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
}

.lms-lr-poll-option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.65rem 0.85rem;
  overflow: hidden;
  font-family: inherit;
  font-size: 0.9rem;
  color: #334155;
  text-align: left;
  cursor: pointer;
  background: #fff;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.12s ease;
}

.lms-lr-poll-option:hover:not(:disabled) {
  background: #f8fafc;
  border-color: #cbd5e1;
}

.lms-lr-poll-option:disabled {
  cursor: default;
}

.lms-lr-poll-option.is-mine {
  font-weight: 600;
  color: #1e40af;
  background: #eff6ff;
  border-color: #2563eb;
}

.lms-lr-poll-option.is-winner {
  background: #f0fdf4;
  border-color: #16a34a;
}

.lms-lr-poll-option-label {
  position: relative;
  z-index: 1;
  flex: 1;
}

.lms-lr-poll-option-count {
  position: relative;
  z-index: 1;
  font-size: 0.78rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: #94a3b8;
}

.lms-lr-poll-option-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  pointer-events: none;
  background: rgba(37, 99, 235, 0.08);
  border-radius: 10px 0 0 10px;
  transition: width 0.35s ease;
}

.lms-lr-poll-option.is-mine .lms-lr-poll-option-bar {
  background: rgba(37, 99, 235, 0.16);
}

.lms-lr-poll-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: #64748b;
}

.lms-lr-poll-close {
  padding: 0.25rem 0.5rem;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  color: #dc2626;
  cursor: pointer;
  background: transparent;
  border: 0;
  border-radius: 6px;
}

.lms-lr-poll-close:hover {
  background: #fee2e2;
}

/* --- Poll composer (modal) ---
 * NOTE: previously this reused `.lms-lr-poll-options`, which collided with
 * the results-list rule above (later declaration silently won). It now has
 * its own modifier; add `lms-lr-poll-options--form` to the modal markup. */
.lms-lr-poll-options--form {
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.lms-lr-poll-option-row input {
  width: 100%;
  padding: 0.6rem 0.8rem;
  font-family: inherit;
  font-size: 0.92rem;
  color: inherit;
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  outline: 0;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.lms-lr-poll-option-row input:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

/* =========================================================
 * 5. Breakouts panel
 * ========================================================= */
.lms-lr-breakouts {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  padding: 1rem;
}

.lms-lr-breakouts-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.lms-lr-breakouts-head h4 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.lms-lr-breakouts-count {
  padding: 0.15rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #1e40af;
  background: #eff6ff;
  border-radius: 999px;
}

.lms-lr-breakouts-list {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.65rem;
  min-height: 0;
  margin: 0.75rem 0;
  overflow-y: auto;
}

.lms-lr-breakouts-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid #f1f5f9;
}

.lms-lr-breakout {
  padding: 0.85rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
}

.lms-lr-breakout-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.lms-lr-breakout-name {
  flex: 1;
  padding: 0.2rem 0.35rem;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  color: #0f172a;
  background: transparent;
  border: 0;
  border-radius: 6px;
  outline: 0;
}

.lms-lr-breakout-name:focus {
  background: #fff;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.lms-lr-breakout-remove {
  padding: 0.15rem 0.4rem;
  font-size: 1.1rem;
  line-height: 1;
  color: #dc2626;
  cursor: pointer;
  background: transparent;
  border: 0;
  border-radius: 6px;
}

.lms-lr-breakout-remove:hover {
  background: #fee2e2;
}

.lms-lr-breakout-members {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.lms-lr-breakout-member {
  padding: 0.2rem 0.55rem;
  font-family: inherit;
  font-size: 0.78rem;
  color: #475569;
  cursor: pointer;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.lms-lr-breakout-member:hover {
  border-color: #94a3b8;
}

.lms-lr-breakout-member.is-in {
  font-weight: 600;
  color: #1e40af;
  background: #dbeafe;
  border-color: #93c5fd;
}

.lms-lr-breakouts-empty {
  padding: 1.5rem 0.5rem;
  font-size: 0.85rem;
  color: #94a3b8;
  text-align: center;
}

/* =========================================================
 * 6. Reactions bar (floating, bottom center)
 * ========================================================= */
.lms-lr-reactions {
  position: fixed;
  bottom: 96px;
  left: 50%;
  z-index: 300;
  display: flex;
  gap: 0.35rem;
  padding: 0.5rem;
  background: rgba(15, 23, 42, 0.9);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-radius: 999px;
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.55);
  transform: translateX(-50%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

/* `display:flex` above would otherwise beat the UA `[hidden] { display:none }`,
   so the hidden state is declared explicitly. */
.lms-lr-reactions[hidden] {
  display: flex;
  pointer-events: none;
  opacity: 0;
  transform: translateX(-50%) translateY(20px);
}

.lms-lr-reaction-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-size: 1.35rem;
  cursor: pointer;
  background: transparent;
  border: 0;
  border-radius: 50%;
  transition: transform 0.15s ease, background 0.15s ease;
}

.lms-lr-reaction-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: scale(1.15);
}

.lms-lr-reaction-btn:active {
  transform: scale(0.95);
}

/* =========================================================
 * 7. Reactions layer — floating emoji over video
 * ========================================================= */
.lms-lr-reactions-layer {
  position: absolute;
  inset: 0;
  z-index: 250;
  overflow: hidden;
  pointer-events: none;
}

.lms-lr-float-reaction {
  position: absolute;
  font-size: 2.5rem;
  line-height: 1;
  pointer-events: none;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.4));
  animation: lms-lr-rise 3.5s ease-out forwards;
  will-change: transform, opacity;
}

@keyframes lms-lr-rise {
  0% {
    opacity: 0;
    transform: translateY(30px) scale(0.4);
  }
  12% {
    opacity: 1;
    transform: translateY(0) scale(1.15);
  }
  22% {
    transform: translateY(-8px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-220px) scale(0.9);
  }
}

.lms-lr-float-reaction-name {
  position: absolute;
  bottom: -18px;
  left: 50%;
  padding: 0.1rem 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  background: rgba(15, 23, 42, 0.8);
  border-radius: 999px;
  transform: translateX(-50%);
}

/* =========================================================
 * 8. Toast stack
 * ========================================================= */
.lms-lr-toast-stack {
  position: absolute;
  top: 1rem;
  left: 50%;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-width: 340px;
  pointer-events: none;
  transform: translateX(-50%);
}

.lms-lr-toast {
  padding: 0.6rem 0.9rem;
  font-size: 0.85rem;
  line-height: 1.4;
  color: #fff;
  background: rgba(15, 23, 42, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-radius: 10px;
  box-shadow: 0 12px 30px -12px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(-8px);
  animation: lms-lr-toast-in 0.25s ease forwards;
}

@keyframes lms-lr-toast-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lms-lr-toast.is-out {
  animation: lms-lr-toast-out 0.25s ease forwards;
}

@keyframes lms-lr-toast-out {
  to {
    opacity: 0;
    transform: translateY(-8px);
  }
}

/* =========================================================
 * 9. Control bar — captions active state
 * ========================================================= */
.lms-lr-cb-btn.is-active {
  color: #fff;
  background: #2563eb;
}

.lms-lr-cb-btn.is-active:hover {
  background: #1d4ed8;
}

/* =========================================================
 * 10. Recordings player
 * ========================================================= */
.lms-lr-video {
  display: block;
  width: 100%;
  border-radius: 12px;
}

/* =========================================================
 * 11. Accessibility — visible keyboard focus
 * ========================================================= */
.lms-lr-chat-emoji:focus-visible,
.lms-lr-chat-emoji-toggle:focus-visible,
.lms-lr-chat-send:focus-visible,
.lms-lr-poll-option:focus-visible,
.lms-lr-poll-close:focus-visible,
.lms-lr-breakout-name:focus-visible,
.lms-lr-breakout-remove:focus-visible,
.lms-lr-breakout-member:focus-visible,
.lms-lr-reaction-btn:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.lms-lr-reaction-btn:focus-visible {
  outline-color: #fff;
}

/* =========================================================
 * 12. Reduced motion
 * ========================================================= */
@media (prefers-reduced-motion: reduce) {
  .lms-lr-chat-log {
    scroll-behavior: auto;
  }

  .lms-lr-float-reaction {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
  }

  .lms-lr-reactions,
  .lms-lr-toast,
  .lms-lr-toast.is-out {
    transition-duration: 0.01ms;
    animation-duration: 0.01ms;
  }

  .lms-lr-chat-emoji,
  .lms-lr-chat-emoji-toggle,
  .lms-lr-chat-send,
  .lms-lr-poll-option,
  .lms-lr-poll-option-bar,
  .lms-lr-breakout-member,
  .lms-lr-reaction-btn {
    transition-duration: 0.01ms;
  }

  .lms-lr-chat-send:hover:not(:disabled),
  .lms-lr-reaction-btn:hover {
    transform: none;
  }
}