:root{--ib-blue:#0f2f55;--ib-blue2:#173f70;--ib-gold:#c8a257;--ib-gold2:#e0c17f;--ib-bg:#eef1f5;--ib-text:#17202a;--ib-white:#fff}
.ibratep-library-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.ibratep-book-launcher{display:flex;gap:18px;align-items:stretch;background:#fff;border:1px solid #e5e8ee;border-radius:18px;box-shadow:0 10px 30px rgba(15,47,85,.08);overflow:hidden;padding:16px;min-height:170px}
.ibratep-book-cover{width:110px;height:155px;object-fit:cover;border-radius:10px;box-shadow:0 8px 18px rgba(0,0,0,.12)}
.ibratep-book-launcher-body{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;min-width:0}.ibratep-eyebrow{font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--ib-gold);margin-bottom:5px}.ibratep-book-launcher h3{font-size:20px;line-height:1.2;margin:0 0 6px;color:var(--ib-blue)}.ibratep-author{margin:0 0 14px;color:#657080}.ibratep-open-reader{border:0;background:linear-gradient(135deg,var(--ib-blue),var(--ib-blue2));color:#fff;font-weight:700;padding:11px 17px;border-radius:10px;cursor:pointer;box-shadow:0 8px 18px rgba(15,47,85,.2)}.ibratep-open-reader:hover{transform:translateY(-1px)}.ibratep-book-launcher small{display:block;margin-top:8px;color:#7b8491}
.ibratep-reader-overlay{position:fixed;inset:0;z-index:999999;background:rgba(8,20,38,.72);backdrop-filter:blur(3px);display:none;padding:4vh 3vw}.ibratep-reader-overlay.is-open{display:flex}.ibratep-reader-shell{width:min(1180px,100%);height:92vh;margin:auto;background:var(--ib-bg);border-radius:18px;overflow:hidden;display:grid;grid-template-rows:64px minmax(0,1fr) 66px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.ibratep-reader-header{background:linear-gradient(100deg,var(--ib-blue),var(--ib-blue2));color:#fff;display:flex;align-items:center;padding:0 14px 0 18px;gap:12px;border-bottom:3px solid var(--ib-gold)}.ibratep-brand-mark{width:34px;height:34px;border-radius:9px;background:var(--ib-gold);color:var(--ib-blue);font-family:Georgia,serif;font-weight:900;font-size:22px;display:grid;place-items:center;box-shadow:inset 0 0 0 2px rgba(255,255,255,.25)}.ibratep-reader-titlebox{min-width:0;display:flex;flex-direction:column;line-height:1.15;flex:1}.ibratep-reader-titlebox strong{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ibratep-page-status{font-size:12px;opacity:.82;margin-top:3px}.ibratep-header-actions{display:flex;gap:7px;align-items:center}.ibratep-icon-btn{width:36px;height:36px;border:0;border-radius:9px;background:rgba(255,255,255,.12);color:#fff;display:grid;place-items:center;text-decoration:none;cursor:pointer;font-size:20px;line-height:1}.ibratep-icon-btn:hover{background:rgba(255,255,255,.22);color:#fff}
.ibratep-reader-stage{position:relative;overflow:auto;display:flex;align-items:flex-start;justify-content:center;padding:28px;background:radial-gradient(circle at top,#f6f7f9,#e8ebf0)}.ibratep-pdf-canvas{display:none;background:#fff;box-shadow:0 12px 28px rgba(0,0,0,.16);border-radius:3px;max-width:none}.ibratep-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--ib-blue);font-weight:700}.ibratep-loading span{width:34px;height:34px;border:4px solid rgba(15,47,85,.15);border-top-color:var(--ib-gold);border-radius:50%;animation:ibspin .85s linear infinite}.ibratep-loading em{font-style:normal;font-size:13px}@keyframes ibspin{to{transform:rotate(360deg)}}
.ibratep-reader-toolbar{background:#fff;border-top:1px solid #dfe3e8;display:flex;align-items:center;justify-content:center;gap:10px;padding:0 16px;box-shadow:0 -6px 20px rgba(15,47,85,.05)}.ibratep-nav-btn,.ibratep-zoom-btn,.ibratep-fit-width{border:1px solid #d7dce4;background:#fff;color:var(--ib-blue);font-weight:800;border-radius:10px;height:40px;padding:0 15px;cursor:pointer}.ibratep-nav-btn{background:var(--ib-blue);color:#fff;border-color:var(--ib-blue)}.ibratep-nav-btn:disabled{opacity:.4;cursor:not-allowed}.ibratep-page-jump{display:flex;align-items:center;gap:7px;padding:0 10px;height:40px;background:#f6f7f9;border:1px solid #e1e4ea;border-radius:10px;color:#5f6b78}.ibratep-current-page{width:58px;border:0;background:transparent;text-align:center;font-weight:800;color:var(--ib-blue);outline:none}.ibratep-toolbar-sep{width:1px;height:28px;background:#e0e3e8;margin:0 2px}.ibratep-zoom-value{min-width:58px;text-align:center;font-weight:800;color:var(--ib-blue)}.ibratep-reader-login,.ibratep-reader-error,.ibratep-empty-library{padding:20px;border-radius:12px;background:#f7f8fb;border:1px solid #e5e7eb;color:#24364b}
body.ibratep-reader-no-scroll{overflow:hidden!important}.ibratep-reader-shell:fullscreen{width:100%;height:100%;border-radius:0}.ibratep-reader-shell:-webkit-full-screen{width:100%;height:100%;border-radius:0}
@media(max-width:700px){.ibratep-reader-overlay{padding:0}.ibratep-reader-shell{height:100vh;border-radius:0;grid-template-rows:60px minmax(0,1fr) 62px}.ibratep-reader-header{padding-left:10px}.ibratep-brand-mark{width:30px;height:30px}.ibratep-reader-titlebox strong{font-size:14px}.ibratep-header-actions{gap:4px}.ibratep-icon-btn{width:32px;height:32px}.ibratep-download,.ibratep-print{display:none}.ibratep-reader-stage{padding:14px}.ibratep-reader-toolbar{justify-content:space-between;gap:5px;padding:0 7px}.ibratep-nav-btn{padding:0 10px}.ibratep-nav-btn span{display:none}.ibratep-toolbar-sep{display:none}.ibratep-zoom-value{display:none}.ibratep-fit-width{display:none}.ibratep-zoom-btn{padding:0;width:38px}.ibratep-page-jump{padding:0 5px}.ibratep-current-page{width:44px}.ibratep-book-launcher{min-height:140px}.ibratep-book-cover{width:88px;height:125px}.ibratep-book-launcher h3{font-size:17px}}