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.96);backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px);z-index:999999;display:flex;align-items:center;justify-content:center}.ibe-security-message{text-align:center;color:#f8fafc;padding:30px;max-width:450px}.ibe-security-message .dashicons{font-size:50px;width:50px;height:50px;color:#ef4444;margin-bottom:15px}.ibe-security-message p{font-size:1.1rem;line-height:1.6;margin:0}.ibe-reader-header{height:60px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #fff0;z-index:10}.ibe-header-left{display:flex;align-items:center;gap:15px}.ibe-btn-back{color:inherit;text-decoration:none;font-weight:700;font-size:.95rem;display:flex;align-items:center;gap:6px;transition:opacity 0.2s}.ibe-btn-back:hover{opacity:.8}.ibe-book-title{margin:0;font-size:1.1rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:300px}.ibe-header-right{display:flex;align-items:center;gap:15px}.ibe-display-controls,.ibe-audio-controls{display:flex;align-items:center;gap:8px}.ibe-icon-btn{border-radius:6px;padding:6px 12px;font-size:.9rem;cursor:pointer;transition:transform 0.15s ease,background-color 0.2s ease}.ibe-icon-btn:hover{transform:translateY(-1px)}.ibe-icon-btn.is-muted{opacity:.5}#ibe-volume-slider{width:70px;accent-color:#0284c7;cursor:pointer}.ibe-reader-viewport{flex:1;overflow-y:auto;display:flex;justify-content:center;padding:40px 20px;box-sizing:border-box;scroll-behavior:smooth}.ibe-chapter-wrapper{width:100%;max-width:780px;margin:0 auto;box-sizing:border-box;transition:font-size 0.2s ease}.ibe-reader-area{padding:10px 0 40px 0;line-height:1.85;letter-spacing:.01em}.ibe-reader-area p{margin-bottom:1.6em}.ibe-loading-spinner{text-align:center;padding:80px 0}.ibe-loading-spinner .spinner{width:40px;height:40px;border:4px solid rgb(255 255 255 / .1);border-top:4px solid #0284c7;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 15px auto}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.ibe-choices-area{display:flex;flex-direction:column;gap:12px;margin-top:40px;padding-top:30px;border-top:1px dashed rgb(148 163 184 / .2)}.ibe-btn-choice{background:linear-gradient(135deg,#0284c7 0%,#0369a1 100%);color:#fff;border:none;padding:16px 24px;border-radius:8px;font-size:1.05rem;font-family:inherit;font-weight:500;cursor:pointer;text-align:center;box-shadow:0 4px 12px rgb(2 132 199 / .25);transition:all 0.25s ease}.ibe-btn-choice:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgb(2 132 199 / .4)}.ibe-btn-choice.ibe-btn-reset{background:linear-gradient(135deg,#475569 0%,#334155 100%);box-shadow:0 4px 12px rgb(71 85 105 / 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.3)}.ibe-auth-icon{font-size:2.5rem;margin-bottom:10px}.ibe-auth-box h3{margin:0 0 10px 0;font-size:1.4rem}.ibe-auth-box p{font-size:.92rem;color:#94a3b8;margin-bottom:25px;line-height:1.5}.ibe-field-group{margin-bottom:15px}.ibe-field-group input{width:100%;padding:12px 14px;border-radius:6px;border:1px solid #475569;background:#0f172a;color:#fff;font-size:.95rem;box-sizing:border-box}.ibe-auth-btn{width:100%;padding:12px;background:#0284c7;color:#fff;border:none;border-radius:6px;font-weight:700;font-size:1rem;cursor:pointer;transition:background-color 0.2s}.ibe-auth-btn:hover{background:#0369a1}.ibe-alert-error{background:rgb(239 68 68 / .15);border:1px solid #ef4444;color:#fca5a5;padding:10px;border-radius:6px;font-size:.88rem;margin-bottom:15px}@media (max-width:768px){.ibe-mobile-hide{display:none}.ibe-book-title{max-width:160px;font-size:.95rem}.ibe-reader-viewport{padding:20px 15px}#ibe-volume-slider{display:none}.ibe-btn-choice{padding:14px 18px;font-size:.98rem}}