.bc-reader-wrap { max-width:800px; margin:0 auto; padding:20px; }
.bc-reader-header { display:flex; justify-content:space-between; align-items:center; padding:15px 0; border-bottom:1px solid #eee; margin-bottom:20px; }
.bc-reader-content { position:relative; min-height:60vh; }
.bc-locked .bc-text { filter:blur(4px); user-select:none; }
.bc-lock-overlay { position:absolute; inset:0; background:var(--overlay); display:flex; align-items:center; justify-content:center; z-index:10; }
.bc-lock-modal { background:var(--card); padding:30px; border-radius:12px; text-align:center; box-shadow:0 10px 30px rgba(0,0,0,0.3); max-width:300px; }
.bc-text { font-size:16px; line-height:1.8; padding:20px 0; transition:font 0.3s; }
.bc-nav { display:flex; justify-content:space-between; margin-top:30px; padding-top:20px; border-top:1px solid #eee; }
[data-theme="dark"] .bc-reader-header, [data-theme="dark"] .bc-nav { border-color:#333; }
[data-theme="dark"] .bc-lock-overlay { background:rgba(0,0,0,0.9); }