/* ================================================================
   Drumline Designer - Piece page + player styles
   Depends on main.css CSS variables.
   ================================================================ */

/* ── Page layout ───────────────────────────────────────────────── */
.piece-main { padding: 24px 0 64px; }

.piece-layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 960px) {
  .piece-layout { grid-template-columns: 1fr; }
}

/* ── Info panel ────────────────────────────────────────────────── */
.piece-info-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: sticky;
  top: calc(var(--navbar-h) + 16px);
  max-height: calc(100vh - var(--navbar-h) - 40px);
  overflow-y: auto;
}

.piece-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.25;
  color: var(--text-dark);
}

.piece-uploader {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.piece-uploader-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.piece-uploader-avatar-placeholder {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--yellow);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem; color: var(--text-dark);
  flex-shrink: 0;
}

.piece-uploader-label {
  font-size: 0.72rem; color: var(--text-subtle); display: block;
}

.piece-uploader-name {
  font-weight: 600; color: var(--text-dark); font-size: 0.875rem;
}

/* ── Meta list ─────────────────────────────────────────────────── */
.piece-meta-list {
  display: flex; flex-direction: column; gap: 7px; margin-bottom: 14px;
}

.piece-meta-item {
  display: flex; align-items: baseline; gap: 8px;
  font-size: 0.85rem; color: var(--text-medium);
}

.piece-meta-label {
  font-weight: 600; color: var(--text-subtle); font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.04em; min-width: 78px; flex-shrink: 0;
}

.piece-description {
  font-size: 0.88rem; color: var(--text-medium); line-height: 1.65;
  margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid var(--border);
}

/* Difficulty */
.difficulty-badge {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 0.78rem; font-weight: 600;
}
.difficulty-1 { background: #e8f5e9; color: #2e7d32; }
.difficulty-2 { background: #f1f8e9; color: #558b2f; }
.difficulty-3 { background: #fff8e1; color: #f57f17; }
.difficulty-4 { background: #fff3e0; color: #e65100; }
.difficulty-5 { background: #fce4ec; color: #c62828; }

/* ── Rating ────────────────────────────────────────────────────── */
.piece-rating-section {
  margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid var(--border);
}

.rating-display { display: flex; align-items: center; gap: 10px; }

.star-rating { display: flex; gap: 2px; }

.star-btn {
  background: none; border: none; font-size: 1.25rem;
  color: var(--border-strong); padding: 2px; cursor: pointer;
  transition: color var(--transition), transform 0.1s;
  line-height: 1;
}
.star-btn.filled { color: var(--yellow); }
.star-btn:hover  { color: var(--yellow); transform: scale(1.2); }

.rating-text { font-size: 0.83rem; color: var(--text-medium); }
.rating-login-hint, .rating-yours { font-size: 0.78rem; color: var(--text-subtle); margin-top: 5px; }

/* ── Downloads ─────────────────────────────────────────────────── */
.piece-downloads { margin-bottom: 4px; }

.downloads-title {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--text-subtle); margin-bottom: 8px;
}

.download-buttons { display: flex; flex-direction: column; gap: 5px; }

.btn-download {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 12px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 0.83rem; font-weight: 600;
  color: var(--text-dark); text-decoration: none;
  transition: all var(--transition);
}
.btn-download:hover {
  background: var(--yellow-light); border-color: var(--yellow); color: var(--text-dark);
}

.piece-downloads-locked {
  display: flex; align-items: center; gap: 10px;
  padding: 12px; background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-medium); font-size: 0.875rem;
}

/* ── Player panel ──────────────────────────────────────────────── */
.piece-player-panel { display: flex; flex-direction: column; gap: 14px; }

.player-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ── Sheet music viewer - page image display ────────────────────── */

.sheet-viewer-wrap {
  position: relative;
  background: #f0f0f0;
  border-bottom: 1px solid var(--border);
}

/* Tall embed fallback (PDF) */
.sheet-viewer-wrap.sheet-pdf-embed { height: 520px; }

/* ── Page image display ──────────────────────────────────────────── */
.sheet-page-display {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  padding: 16px;
}

.sheet-page-img {
  display: none;
  max-width: 100%;
  max-height: 70vh;
  border-radius: 4px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  background: #fff;
  object-fit: contain;
  object-position: top;
}
.sheet-page-img.active { display: block; }

/* ── Prev / Next navigation bar ─────────────────────────────────── */
.sheet-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 8px 16px 12px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.sheet-nav-btn {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dark);
  cursor: pointer;
  transition: all var(--transition);
}
.sheet-nav-btn:hover:not(:disabled) { background: var(--yellow-light); border-color: var(--yellow); }
.sheet-nav-btn:disabled { opacity: 0.35; cursor: default; }

.sheet-page-counter {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-medium);
  min-width: 60px;
  text-align: center;
}

/* Placeholder when no sheet music is available */
.sheet-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 72px 24px; background: #f5f5f5; color: #aaa;
}
.sheet-placeholder p { margin-top: 14px; font-size: 0.9rem; }

/* ── Audio player ──────────────────────────────────────────────── */
.audio-player { padding: 14px 20px 12px; background: var(--surface); }

.player-controls {
  display: flex; align-items: center; justify-content: center;
  gap: 6px; margin-bottom: 10px;
}

.player-btn {
  background: none; border: none; color: var(--text-dark);
  padding: 8px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition); cursor: pointer;
}
.player-btn:hover { background: var(--yellow-light); }

.player-play {
  background: var(--yellow) !important;
  width: 44px; height: 44px; border-radius: 50%;
}
.player-play:hover { background: var(--yellow-dark) !important; }

.player-timeline {
  display: flex; align-items: center; gap: 10px; margin-bottom: 8px;
}

.player-time {
  font-size: 0.78rem; font-weight: 600; color: var(--text-subtle);
  min-width: 34px; font-variant-numeric: tabular-nums;
}

.timeline-bar {
  flex: 1; height: 4px; background: var(--border);
  border-radius: 2px; position: relative; cursor: pointer;
  transition: height 0.1s;
}
.timeline-bar:hover { height: 6px; }

.timeline-progress {
  height: 100%; background: var(--yellow);
  border-radius: 2px; pointer-events: none;
}

.timeline-thumb {
  position: absolute; top: 50%;
  transform: translate(-50%, -50%);
  width: 12px; height: 12px;
  background: var(--yellow); border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
  pointer-events: none;
  transition: transform 0.1s;
}
.timeline-bar:hover .timeline-thumb { transform: translate(-50%, -50%) scale(1.35); }

.player-volume {
  display: flex; align-items: center; gap: 8px; justify-content: flex-end;
  color: var(--text-subtle);
}

.volume-slider { width: 80px; accent-color: var(--yellow); cursor: pointer; }

/* ── Engagement row ────────────────────────────────────────────── */
.piece-engagement {
  padding: 10px 20px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 8px;
  background: var(--surface);
}

.editors-choice-badge {
  display: flex; align-items: center; gap: 6px;
  background: var(--yellow); color: var(--text-dark);
  padding: 3px 12px; border-radius: 20px;
  font-size: 0.78rem; font-weight: 700;
}

.engagement-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.engage-btn {
  display: flex; align-items: center; gap: 5px;
  background: none; border: 1px solid var(--border);
  border-radius: 20px; padding: 5px 12px;
  font-size: 0.82rem; font-weight: 600; color: var(--text-medium);
  transition: all var(--transition); cursor: pointer;
}
.engage-btn:hover        { border-color: var(--yellow); color: var(--text-dark); }
.engage-btn.liked        { color: #e53935; border-color: #e53935; }
.engage-btn.liked svg    { fill: #e53935; }

.engage-views {
  display: flex; align-items: center; gap: 4px;
  font-size: 0.82rem; color: var(--text-subtle);
}

.share-buttons { display: flex; align-items: center; gap: 4px; }

.share-btn {
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--border); color: var(--text-medium);
  background: none; transition: all var(--transition); text-decoration: none; cursor: pointer;
}
.share-btn:hover { background: var(--yellow-light); border-color: var(--yellow); color: var(--text-dark); }

/* ── Comments section ──────────────────────────────────────────── */
.comments-section { max-width: 820px; margin: 32px auto 0; padding: 0 24px 64px; }
.comments-title   { font-size: 1.15rem; margin-bottom: 18px; }

.comment-form { display: flex; gap: 12px; margin-bottom: 22px; }

.comment-avatar {
  width: 36px; height: 36px; min-width: 36px;
  border-radius: 50%; object-fit: cover; flex-shrink: 0;
}
.comment-avatar-sm { width: 28px; height: 28px; min-width: 28px; }

.comment-avatar-placeholder, .comment-avatar-deleted {
  display: flex; align-items: center; justify-content: center;
  background: var(--yellow-light); font-weight: 700;
  font-size: 0.85rem; color: var(--text-dark);
}
.comment-avatar-deleted { background: var(--border); color: var(--text-subtle); }

.comment-form-inner { flex: 1; }

.comment-textarea {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); font-size: 0.875rem; resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
  color: var(--text-dark);
}
.comment-textarea:focus {
  outline: none; border-color: var(--yellow);
  box-shadow: 0 0 0 3px rgba(255,204,0,0.18);
}
.comment-textarea-sm { min-height: 56px; }

.comment-form-actions {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 8px; margin-top: 6px;
}
.char-counter { font-size: 0.78rem; color: var(--text-subtle); }

.comment { display: flex; flex-direction: column; margin-bottom: 18px; }

.comment-header { display: flex; align-items: center; gap: 10px; margin-bottom: 5px; }
.comment-meta   { display: flex; align-items: baseline; gap: 8px; }

.comment-username { font-weight: 700; font-size: 0.875rem; color: var(--text-dark); }
.comment-username.comment-deleted { color: var(--text-subtle); font-style: italic; }
.comment-time { font-size: 0.76rem; color: var(--text-subtle); }

.comment-body { padding-left: 46px; }

.comment-text { font-size: 0.875rem; color: var(--text-dark); line-height: 1.65; margin-bottom: 6px; }
.comment-deleted-text { color: var(--text-subtle); font-style: italic; }

.comment-actions { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }

.comment-like-btn {
  display: flex; align-items: center; gap: 4px;
  background: none; border: none; font-size: 0.78rem;
  color: var(--text-subtle); cursor: pointer; transition: color var(--transition); padding: 0;
}
.comment-like-btn:hover, .comment-like-btn.liked { color: #e53935; }
.comment-like-btn.liked svg { fill: #e53935; }

.comment-action-btn {
  background: none; border: none; font-size: 0.78rem;
  color: var(--text-subtle); cursor: pointer; padding: 0;
  transition: color var(--transition);
}
.comment-action-btn:hover { color: var(--text-dark); }
.delete-btn:hover          { color: var(--error); }

.replies {
  margin-top: 10px; padding-top: 10px;
  border-top: 1px solid var(--border); padding-left: 18px;
}
.reply .comment-body { padding-left: 38px; }

.no-comments { color: var(--text-subtle); font-style: italic; text-align: center; padding: 24px; }
.comments-login-hint { color: var(--text-medium); font-size: 0.875rem; margin-bottom: 18px; }

.reply-form { margin-top: 8px; }
.inline-form { display: inline; }

/* ── Generic button helpers (used on this page) ────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 600; border: none;
  cursor: pointer; transition: all var(--transition); text-decoration: none;
}
.btn-primary { background: var(--yellow); color: var(--text-dark); }
.btn-primary:hover { background: var(--yellow-dark); color: var(--text-dark); }
.btn-ghost { background: transparent; color: var(--text-medium); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-sm { padding: 5px 11px; font-size: 0.8rem; }

.btn-danger {
  background: transparent; color: var(--error);
  border: 1px solid var(--error); border-radius: var(--radius-sm);
}
.btn-danger:hover { background: var(--error-bg); color: var(--error); }

/* .piece-owner-actions - defined in piece.ejs inline styles to avoid duplication */