/* ========================================
   BOOKSHELF APP — Full Styles
   Extends shared design system from styles.css
   ======================================== */

/* ── Page container ── */
.bookshelf-page { max-width: 1300px; margin: 0 auto; padding: 0 3rem 6rem; }
.bookshelf-hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-top: 2rem; }

/* ── App Tabs ── */
.bs-tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--border);
  margin-bottom: 2rem; overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.bs-tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0.9rem 1.4rem; border: none; background: none;
  font-family: 'DM Sans', sans-serif; font-size: 0.82rem; font-weight: 500;
  color: var(--text-dim); cursor: pointer; white-space: nowrap;
  border-bottom: 2px solid transparent; transition: all 0.2s;
  margin-bottom: -1px;
}
.bs-tab:hover { color: var(--text); }
.bs-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.bs-tab-icon { flex-shrink: 0; }
.bs-tab.active .bs-tab-icon { stroke: var(--accent); }

/* ── Panels ── */
.bs-panel { display: none; }
.bs-panel.active { display: block; }

/* ── Stats bar ── */
.bookshelf-stats {
  display: flex; border: 1px solid var(--border-strong); border-radius: 16px;
  overflow: hidden; margin-bottom: 2rem; background: var(--bg-raised);
}
.bs-stat {
  flex: 1; padding: 1.2rem 1rem; border-right: 1px solid var(--border);
  text-align: center;
}
.bs-stat:last-child { border-right: none; }
.bs-stat-num {
  font-family: 'Syne', sans-serif; font-size: 1.6rem; font-weight: 700;
  color: var(--text); line-height: 1; margin-bottom: 4px;
}
.bs-stat-label {
  font-size: 0.65rem; font-weight: 500; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-dim);
}

/* ── Goal widget ── */
.bs-goal-widget {
  display: flex; align-items: center; gap: 12px; justify-content: center;
  cursor: pointer; transition: background 0.2s;
}
.bs-goal-widget:hover { background: var(--bg-hover); }
.bs-goal-ring { flex-shrink: 0; transition: stroke-dashoffset 0.8s ease; }
#bs-goal-progress { transition: stroke-dashoffset 0.8s ease; }

/* ── Controls row ── */
.bookshelf-controls {
  display: flex; gap: 0.8rem; flex-wrap: wrap; align-items: center; margin-bottom: 2rem;
}
.bs-search-wrap { position: relative; flex: 1; min-width: 200px; }
.bs-search-wrap svg {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--text-dim); pointer-events: none;
}
.bs-search-wrap input {
  width: 100%; padding: 0.55rem 1rem 0.55rem 2.4rem;
  border: 1px solid var(--border-strong); border-radius: 100px;
  background: var(--bg-raised); font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem; color: var(--text); outline: none; transition: border-color 0.3s;
}
.bs-search-wrap input::placeholder { color: var(--text-dim); }
.bs-search-wrap input:focus { border-color: var(--accent); }

.bs-sort-wrap select {
  padding: 0.55rem 1rem; background: var(--bg-raised);
  border: 1px solid var(--border-strong); border-radius: 100px;
  color: var(--text); font-family: 'DM Sans', sans-serif; font-size: 0.82rem;
  outline: none; cursor: pointer; transition: border-color 0.3s;
}
.bs-sort-wrap select:focus { border-color: var(--accent); }

.bs-genre-pills { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.bs-genre-pill {
  padding: 0.4rem 0.9rem; border: 1px solid var(--border-strong);
  border-radius: 100px; background: var(--bg-raised);
  font-family: 'DM Sans', sans-serif; font-size: 0.75rem;
  color: var(--text-dim); cursor: pointer; transition: all 0.2s; white-space: nowrap;
}
.bs-genre-pill:hover { border-color: var(--accent); color: var(--text); }
.bs-genre-pill.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  border-color: var(--accent); color: #fff; font-weight: 500;
}

/* ── Section headers ── */
.bookshelf-section-header {
  display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 1.5rem;
}
.bookshelf-section-header h2 {
  font-family: 'Syne', sans-serif; font-size: 1.5rem; font-weight: 700; letter-spacing: -0.01em;
}
.bookshelf-section-header h2 .serif-word {
  font-family: 'Instrument Serif', serif; font-weight: 400; font-style: italic;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.bs-shelf-count {
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-dim);
}

/* ── Shelf rows ── */
.shelf-section { margin-bottom: 1rem; }
.shelf-row { position: relative; margin-bottom: 3.5rem; animation: bs-fadeUp 0.5s ease both; }
@keyframes bs-fadeUp { from { opacity:0; transform:translateY(14px); } to { opacity:1; transform:translateY(0); } }

.shelf-back {
  position: absolute; top: -10px; left: -20px; right: -20px; bottom: -4px;
  background: var(--bg-hover); border-radius: 12px;
  box-shadow: inset 0 2px 8px rgba(109,40,217,0.04);
}
.books-track {
  position: relative; z-index: 2; display: flex; align-items: flex-end;
  padding: 18px 20px 0; gap: 3px; min-height: 180px;
}
.shelf-plank {
  position: absolute; z-index: 3; bottom: -16px; left: -20px; right: -20px; height: 16px;
  background: linear-gradient(180deg, #c4955a 0%, #a67840 50%, #8a5e28 100%);
  border-radius: 0 0 8px 8px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.15), inset 0 1px 0 rgba(255,255,255,0.2);
}
.shelf-plank::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.35) 50%, transparent 100%);
}
.shelf-plank::after {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0px, transparent 22px, rgba(0,0,0,0.04) 22px, rgba(0,0,0,0.04) 23px);
}

/* ── Book spines ── */
.book {
  position: relative; cursor: pointer; flex-shrink: 0; transform-origin: bottom center;
  transition: transform 0.28s cubic-bezier(0.34,1.5,0.64,1), filter 0.2s;
}
.book:hover { transform: translateY(-22px) rotate(-1deg); z-index: 20; filter: brightness(1.06) saturate(1.1); }
.book.favorite::after {
  content: '\2665'; position: absolute; top: 4px; right: -2px; z-index: 5;
  font-size: 0.55rem; color: #ec4899; text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.book-spine {
  border-radius: 2px 3px 0 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 14px 6px;
  position: relative; overflow: hidden;
  box-shadow: inset -5px 0 10px rgba(0,0,0,0.2), inset 2px 0 4px rgba(255,255,255,0.1), 3px 0 10px rgba(0,0,0,0.18);
}
.book-spine::before {
  content: ''; position: absolute; left: 0; top: 0; width: 5px; height: 100%;
  background: rgba(0,0,0,0.2); border-right: 1px solid rgba(255,255,255,0.08);
}
.book-spine::after {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,0.022) 0px, rgba(255,255,255,0.022) 1px, transparent 1px, transparent 4px);
}

.book-title {
  writing-mode: vertical-rl; text-orientation: mixed; transform: rotate(180deg);
  font-family: 'Syne', sans-serif; font-size: 0.6rem; font-weight: 700;
  letter-spacing: 0.05em; color: rgba(255,255,255,0.94);
  overflow: hidden; max-height: 120px; text-overflow: ellipsis; white-space: nowrap;
  position: relative; z-index: 1;
}
.book-author {
  writing-mode: vertical-rl; text-orientation: mixed; transform: rotate(180deg);
  font-family: 'DM Sans', sans-serif; font-size: 0.48rem; font-weight: 400;
  letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.45);
  margin-top: 7px; white-space: nowrap; overflow: hidden; max-height: 70px;
  position: relative; z-index: 1;
}

/* ── Tooltip ── */
.book-tooltip {
  position: absolute; bottom: calc(100% + 16px); left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 14px 18px; border-radius: 12px;
  white-space: nowrap; min-width: 190px; opacity: 0; pointer-events: none;
  transition: opacity 0.18s; z-index: 30; box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}
.book-tooltip::after {
  content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 7px solid transparent; border-top-color: var(--text);
}
.book:hover .book-tooltip { opacity: 1; }
.tip-genre { font-size: 0.65rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent-soft); margin-bottom: 6px; }
.tip-title { font-family: 'Syne', sans-serif; font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 2px; }
.tip-author { font-size: 0.78rem; color: rgba(255,255,255,0.6); margin-bottom: 8px; }
.tip-stars { color: var(--glow-amber); font-size: 0.85rem; margin-bottom: 6px; }
.tip-note { font-size: 0.78rem; color: rgba(255,255,255,0.5); font-style: italic; line-height: 1.4; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 8px; margin-top: 2px; }

/* ── Currently Reading cards ── */
.bs-reading-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1rem; }
.bs-reading-card {
  background: var(--bg-raised); border: 1px solid var(--border); border-radius: 14px;
  padding: 1.3rem; transition: transform 0.2s, box-shadow 0.2s;
}
.bs-reading-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(109,40,217,0.08); }
.bs-reading-card-header { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 1rem; }
.bs-reading-card-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; margin-top: 5px; }
.bs-reading-card-title { font-family: 'Syne', sans-serif; font-size: 0.95rem; font-weight: 700; color: var(--text); line-height: 1.2; }
.bs-reading-card-author { font-size: 0.78rem; color: var(--text-dim); margin-top: 2px; }

.bs-reading-progress { margin-bottom: 1rem; }
.bs-reading-progress-bar {
  height: 6px; background: var(--bg-hover); border-radius: 100px; overflow: hidden; margin-bottom: 6px;
}
.bs-reading-progress-fill {
  height: 100%; border-radius: 100px;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  transition: width 0.4s ease;
}
.bs-reading-progress-text { font-size: 0.72rem; color: var(--text-dim); }

.bs-reading-card-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.bs-card-btn {
  padding: 0.35rem 0.8rem; border: 1px solid var(--border-strong); border-radius: 100px;
  background: none; font-family: 'DM Sans', sans-serif; font-size: 0.72rem;
  color: var(--text-dim); cursor: pointer; transition: all 0.2s;
}
.bs-card-btn:hover { border-color: var(--accent); color: var(--accent); }
.bs-card-btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  border-color: var(--accent); color: #fff;
}
.bs-card-btn-accent:hover { opacity: 0.9; color: #fff; }
.bs-card-btn-danger { color: #dc2626; border-color: rgba(220,38,38,0.2); }
.bs-card-btn-danger:hover { border-color: #dc2626; background: rgba(220,38,38,0.05); color: #dc2626; }

.bs-progress-inline { display: flex; gap: 6px; align-items: center; }
.bs-inline-input {
  width: 80px; padding: 0.3rem 0.6rem; border: 1px solid var(--border-strong);
  border-radius: 8px; font-size: 0.8rem; font-family: 'DM Sans', sans-serif;
  color: var(--text); outline: none;
}
.bs-inline-input:focus { border-color: var(--accent); }

/* ── Want to Read cards ── */
.bs-tbr-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }
.bs-tbr-card {
  display: flex; align-items: stretch; background: var(--bg-raised);
  border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.bs-tbr-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(109,40,217,0.08); }
.bs-tbr-card-color { width: 5px; flex-shrink: 0; }
.bs-tbr-card-body { flex: 1; padding: 1.1rem 1.2rem; }
.bs-tbr-card-title { font-family: 'Syne', sans-serif; font-size: 0.92rem; font-weight: 700; color: var(--text); }
.bs-tbr-card-author { font-size: 0.78rem; color: var(--text-dim); margin: 2px 0 6px; }
.bs-tbr-card-genre {
  display: inline-block; padding: 2px 8px; border-radius: 100px; font-size: 0.62rem;
  font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  background: rgba(109,40,217,0.08); color: var(--accent);
}
.bs-tbr-card-actions { display: flex; flex-direction: column; justify-content: center; gap: 6px; padding: 0.8rem; }

/* ── Stats panel ── */
.bs-stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.bs-stat-card {
  background: var(--bg-raised); border: 1px solid var(--border); border-radius: 14px;
  padding: 1.5rem; transition: transform 0.2s;
}
.bs-stat-card:hover { transform: translateY(-2px); }
.bs-stat-card h3 {
  font-family: 'Syne', sans-serif; font-size: 1rem; font-weight: 700;
  margin-bottom: 1.2rem; color: var(--text);
}

/* Genre donut */
.bs-genre-donut { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 1rem; }
.bs-genre-donut-ring {
  width: 120px; height: 120px; border-radius: 50%; flex-shrink: 0;
  background: conic-gradient(var(--border-strong) 0% 100%);
  display: flex; align-items: center; justify-content: center;
}
.bs-genre-donut-center {
  width: 60px; height: 60px; border-radius: 50%; background: var(--bg-raised);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif; font-size: 1.3rem; font-weight: 700; color: var(--text);
  position: absolute;
}
.bs-genre-donut { position: relative; }
.bs-genre-donut-ring { position: relative; }
.bs-genre-donut-center { position: absolute; top: 50%; left: 60px; transform: translate(-50%, -50%); }

.bs-genre-legend { display: flex; flex-direction: column; gap: 6px; }
.bs-genre-legend-item { display: flex; align-items: center; gap: 8px; font-size: 0.78rem; }
.bs-genre-legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.bs-genre-legend-name { color: var(--text); flex: 1; }
.bs-genre-legend-count { color: var(--text-dim); font-weight: 600; font-size: 0.72rem; }

/* Monthly chart */
.bs-monthly-bars {
  display: flex; align-items: flex-end; gap: 4px; height: 140px; padding-top: 20px;
}
.bs-monthly-bar { flex: 1; display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; }
.bs-monthly-bar-fill {
  width: 100%; border-radius: 4px 4px 0 0; min-height: 3px;
  background: linear-gradient(180deg, var(--accent), var(--accent-soft));
  transition: height 0.5s ease;
}
.bs-monthly-bar-count { font-size: 0.6rem; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.bs-monthly-bar-label { font-size: 0.58rem; color: var(--text-dim); margin-top: 6px; text-transform: uppercase; letter-spacing: 0.05em; }

/* Top authors */
.bs-top-author-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.bs-top-author-name { font-size: 0.82rem; color: var(--text); min-width: 120px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bs-top-author-bar-wrap { flex: 1; height: 8px; background: var(--bg-hover); border-radius: 100px; overflow: hidden; }
.bs-top-author-bar { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-soft)); border-radius: 100px; transition: width 0.5s ease; }
.bs-top-author-count { font-size: 0.72rem; font-weight: 600; color: var(--text-dim); min-width: 20px; text-align: right; }

/* Quick stats */
.bs-quick-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.bs-quick-stat { text-align: center; padding: 0.8rem 0; }

/* ── Detail Panel (slide-in) ── */
.bs-detail-overlay {
  position: fixed; inset: 0; background: rgba(30,27,75,0.3);
  z-index: 190; opacity: 0; pointer-events: none; transition: opacity 0.25s;
}
.bs-detail-overlay.open { opacity: 1; pointer-events: all; }

.bs-detail-panel {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(420px, 92vw);
  background: var(--bg-raised); z-index: 200;
  transform: translateX(100%); transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto; box-shadow: -8px 0 40px rgba(0,0,0,0.12);
}
.bs-detail-panel.open { transform: translateX(0); }

.bs-detail-panel-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.2rem 1.5rem; border-bottom: 1px solid var(--border);
}
.bs-detail-close {
  background: none; border: none; cursor: pointer; color: var(--text-dim);
  font-size: 1.1rem; width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; transition: all 0.15s;
}
.bs-detail-close:hover { background: var(--bg-hover); color: var(--text); }

.bs-detail-spine-preview { padding: 2rem 1.5rem 1rem; display: flex; justify-content: center; }
.bs-detail-info { padding: 0 1.5rem 2rem; }

.bs-detail-title {
  font-family: 'Syne', sans-serif; font-size: 1.4rem; font-weight: 700;
  color: var(--text); margin-bottom: 4px; line-height: 1.2;
}
.bs-detail-author { font-size: 0.9rem; color: var(--text-dim); margin-bottom: 1rem; }
.bs-detail-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 1rem; flex-wrap: wrap; }
.bs-detail-genre {
  display: inline-block; padding: 3px 10px; border-radius: 100px; font-size: 0.65rem;
  font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  background: rgba(109,40,217,0.08); color: var(--accent);
}
.bs-detail-rating { display: flex; gap: 2px; }
.bs-detail-status { font-size: 0.82rem; color: var(--text-dim); margin-bottom: 0.6rem; }
.bs-detail-pages { font-size: 0.82rem; color: var(--text-dim); margin-bottom: 0.6rem; }
.bs-detail-note {
  font-size: 0.88rem; color: var(--text-mid); font-style: italic; line-height: 1.5;
  padding: 1rem; background: var(--bg); border-radius: 10px; margin: 1rem 0;
}
.bs-detail-date { font-size: 0.75rem; color: var(--text-dim); margin-bottom: 4px; }

.bs-detail-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 1.2rem; padding-top: 1.2rem; border-top: 1px solid var(--border); }
.bs-detail-btn {
  padding: 0.45rem 1rem; border: 1px solid var(--border-strong); border-radius: 100px;
  background: none; font-family: 'DM Sans', sans-serif; font-size: 0.75rem;
  color: var(--text-dim); cursor: pointer; transition: all 0.2s;
}
.bs-detail-btn:hover { border-color: var(--accent); color: var(--accent); }
.bs-detail-btn-fav { color: var(--text-dim); }
.bs-detail-btn-fav.active { color: #ec4899; border-color: rgba(236,72,153,0.3); }
.bs-detail-btn-danger { color: #dc2626; border-color: rgba(220,38,38,0.2); }
.bs-detail-btn-danger:hover { border-color: #dc2626; background: rgba(220,38,38,0.05); color: #dc2626; }

/* ── Modal ── */
.bs-modal-overlay {
  position: fixed; inset: 0; background: rgba(30,27,75,0.45); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  z-index: 200; opacity: 0; pointer-events: none; transition: opacity 0.25s;
}
.bs-modal-overlay.open { opacity: 1; pointer-events: all; }

.bs-modal {
  background: var(--bg-raised); border-radius: 16px;
  padding: 2.2rem 2.2rem 1.8rem; width: min(520px, 94vw);
  box-shadow: 0 24px 64px rgba(0,0,0,0.2);
  transform: translateY(20px) scale(0.98);
  transition: transform 0.3s cubic-bezier(0.34,1.4,0.64,1);
  position: relative; max-height: 92vh; overflow-y: auto;
}
.bs-modal-overlay.open .bs-modal { transform: translateY(0) scale(1); }

.bs-modal-close {
  position: absolute; top: 16px; right: 18px; background: none; border: none;
  cursor: pointer; color: var(--text-dim); font-size: 1.1rem;
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; transition: all 0.15s;
}
.bs-modal-close:hover { background: var(--bg-hover); color: var(--text); }

.bs-modal-tag {
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 8px;
}
.bs-modal h2 {
  font-family: 'Syne', sans-serif; font-size: 1.5rem; font-weight: 700;
  letter-spacing: -0.01em; color: var(--text); margin-bottom: 4px;
}
.bs-modal h2 .serif-word {
  font-family: 'Instrument Serif', serif; font-weight: 400; font-style: italic;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.bs-modal p.sub { font-size: 0.85rem; color: var(--text-dim); font-weight: 300; margin-bottom: 1.2rem; }
.bs-m-divider { height: 1px; background: var(--border); margin-bottom: 1.2rem; }

.bs-modal label {
  display: block; font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 6px; margin-top: 1rem;
}
.bs-modal label:first-of-type { margin-top: 0; }

.bs-modal input[type="text"],
.bs-modal input[type="number"],
.bs-modal select,
.bs-modal textarea {
  width: 100%; padding: 0.6rem 0.85rem; background: var(--bg);
  border: 1px solid var(--border-strong); border-radius: 10px;
  color: var(--text); font-family: 'DM Sans', sans-serif; font-size: 0.85rem;
  outline: none; transition: border-color 0.2s;
}
.bs-modal input::placeholder, .bs-modal textarea::placeholder { color: var(--text-dim); }
.bs-modal input:focus, .bs-modal select:focus, .bs-modal textarea:focus { border-color: var(--accent); }
.bs-modal textarea { resize: none; height: 65px; line-height: 1.5; }

/* Status toggle */
.bs-status-toggle { display: flex; gap: 0; border: 1px solid var(--border-strong); border-radius: 100px; overflow: hidden; margin-top: 4px; }
.bs-status-opt {
  flex: 1; padding: 0.5rem 0.8rem; border: none; background: none;
  font-family: 'DM Sans', sans-serif; font-size: 0.75rem; font-weight: 500;
  color: var(--text-dim); cursor: pointer; transition: all 0.2s; text-align: center;
}
.bs-status-opt:not(:last-child) { border-right: 1px solid var(--border-strong); }
.bs-status-opt.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft)); color: #fff;
}

.bs-color-grid { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 4px; }
.bs-color-swatch {
  width: 26px; height: 26px; border-radius: 7px; cursor: pointer;
  border: 2.5px solid transparent; transition: transform 0.14s, border-color 0.14s;
}
.bs-color-swatch.selected { border-color: var(--accent); transform: scale(1.2); }

.bs-stars { display: flex; gap: 5px; margin-top: 4px; }
.bs-star { font-size: 1.4rem; cursor: pointer; color: var(--border-strong); transition: color 0.12s, transform 0.12s; }
.bs-star.lit { color: var(--glow-amber); }
.bs-star:hover { transform: scale(1.15); }

.bs-modal-footer { display: flex; justify-content: flex-end; gap: 8px; margin-top: 1.3rem; }
.bs-btn-cancel {
  padding: 0.55rem 1.2rem; background: none; border: 1px solid var(--border-strong);
  border-radius: 100px; cursor: pointer; font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem; color: var(--text-dim); transition: all 0.2s;
}
.bs-btn-cancel:hover { border-color: var(--text); color: var(--text); }

/* ── Empty states ── */
.bs-empty-state {
  padding: 4rem 2rem; text-align: center; display: flex; flex-direction: column; align-items: center;
}
.bs-empty-state p { font-size: 0.92rem; color: var(--text-dim); margin-bottom: 0.5rem; }

/* ── Pagination ── */
.bs-pagination { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 0 0 2rem; }
.pg-btn {
  width: 36px; height: 36px; border-radius: 100px;
  border: 1px solid var(--border-strong); background: var(--bg-raised);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--text-dim); font-size: 0.85rem; transition: all 0.2s;
}
.pg-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.pg-btn:disabled { opacity: 0.3; cursor: default; }
.pg-info { font-size: 0.8rem; color: var(--text-dim); padding: 0 4px; }
.pg-info strong { color: var(--text); }
.pg-dots { display: flex; gap: 5px; }
.pg-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--border-strong);
  border: none; cursor: pointer; transition: all 0.18s;
}
.pg-dot.active { background: var(--accent); transform: scale(1.2); }

/* ── Toast ── */
.bs-toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); padding: 0.7rem 1.5rem; border-radius: 100px;
  font-family: 'DM Sans', sans-serif; font-size: 0.82rem; font-weight: 500;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25); z-index: 300;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
}
.bs-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .bookshelf-page { padding: 0 1.5rem 4rem; }
  .bookshelf-controls { flex-direction: column; align-items: stretch; }
  .bs-genre-pills { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .books-track { gap: 2px; padding: 14px 12px 0; }
  .shelf-back { left: -12px; right: -12px; }
  .shelf-plank { left: -12px; right: -12px; }
  .bookshelf-stats { flex-wrap: wrap; }
  .bs-stat { min-width: calc(50% - 1px); }
  .bs-stats-grid { grid-template-columns: 1fr; }
  .bs-detail-panel { width: 100%; }
  .bs-tabs { gap: 0; }
  .bs-tab { padding: 0.8rem 1rem; font-size: 0.75rem; }
}

@media (max-width: 600px) {
  .bookshelf-page { padding: 0 1rem 3rem; }
  .book-spine { padding: 10px 4px; }
  .book-title { font-size: 0.5rem; max-height: 90px; }
  .book-author { font-size: 0.4rem; max-height: 50px; }
  .shelf-row { margin-bottom: 2.5rem; }
  .bookshelf-section-header h2 { font-size: 1.2rem; }
  .bs-modal { padding: 1.5rem 1.3rem 1.3rem; }
  .bs-reading-list { grid-template-columns: 1fr; }
  .bs-tbr-list { grid-template-columns: 1fr; }
  .bs-monthly-bars { height: 100px; }
  .bs-genre-donut { flex-direction: column; align-items: flex-start; }
  .bs-genre-donut-center { left: 60px; }
  .bs-quick-stats { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .bs-tab { padding: 0.7rem 0.7rem; font-size: 0.68rem; gap: 4px; }
  .bs-tab-icon { width: 14px; height: 14px; }
  .bs-stat-num { font-size: 1.3rem; }
}