:root{--navy:#193538;--teal:#14796e;--ink:#213b3a;--muted:#63788a;--bg:#f4f7f8;--line:#dce6eb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 'Segoe UI',Arial,sans-serif}header{height:118px;max-width:1200px;margin:auto;padding:25px 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}header img{display:block;width:240px;height:auto}header span{font-size:14px;color:var(--muted)}main{max-width:1200px;margin:auto;padding:54px 32px}h1,h2,p{margin-top:0}h1{font-size:46px;line-height:1.18;letter-spacing:-1.5px;color:var(--navy);margin-bottom:22px}h2{font-size:25px;line-height:1.3;color:var(--navy)}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;color:var(--teal);margin-bottom:18px}.lead{font-size:19px;max-width:500px;color:#50697b}.welcome{display:grid;grid-template-columns:1.15fr 1fr;gap:70px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:0 12px 30px #0b355209}label{display:block;font-size:14px;font-weight:600;margin:19px 0 7px}input,select,button{font:inherit}input,select{width:100%;padding:13px 15px;border:1px solid #b9cbd5;border-radius:9px;background:#fff;color:var(--ink)}input:focus,select:focus,button:focus-visible,a:focus-visible{outline:3px solid #57bdc6;outline-offset:3px}button,.secondary{border:1px solid transparent;border-radius:9px;padding:12px 18px;font-weight:600;cursor:pointer;text-decoration:none;display:inline-block}button{background:var(--navy);color:#fff}button:disabled{opacity:.5;cursor:wait}form>button{width:100%;margin-top:16px}.secondary{background:#fff;border-color:var(--line);color:var(--navy)}.text-button{background:transparent;color:var(--teal);padding:4px 0;text-align:left}.network{margin-top:24px;padding-top:20px;border-top:1px solid var(--line);display:grid;font-size:13px;color:var(--muted)}.network strong{color:var(--ink);font-size:16px;word-break:break-all}.fine{font-size:13px;color:var(--muted)}.subtle{font-size:13px;color:var(--muted)}.message{font-size:14px;color:#9d3b21;margin:12px 0;min-height:0}.message:empty{display:none}.book{width:300px;margin-top:32px;padding:28px 28px 24px;border-radius:4px 16px 16px 4px;background:var(--navy);color:#fff;box-shadow:10px 12px 0 #d7e4e8;border-left:10px solid #006f7c}.book span{font-size:12px;letter-spacing:2px;color:#80d3d5}.book strong{display:block;font-size:33px;line-height:1.25;margin:23px 0 35px;letter-spacing:-.7px}.book small{font-size:11px;color:#b9d3df}.reader-heading{display:flex;justify-content:space-between;gap:24px;align-items:start}.reader-heading h1{font-size:30px;letter-spacing:-.6px}.reader-tools{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin:20px 0}.reader-tools>label{margin:0 0 6px}.reader-tools select{font-size:14px}.page-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px}.page-tools label{margin:0}.page-tools input{width:85px;padding:8px 10px}.page-tools button{padding:7px 14px}.page-wrap{overflow:auto;min-height:500px;background:#e4ebef;border-radius:12px;padding:20px;position:relative}#page-sheet{width:100%;max-width:none;margin:auto;position:relative;line-height:0}#book-page{width:100%;height:auto;display:block;box-shadow:0 6px 20px #072b5520}#personal-mark{position:absolute;left:10%;top:70%;width:80%;line-height:1.4;transform:rotate(-18deg);text-align:center;color:#0b416b24;font-weight:bold;font-size:clamp(12px,2vw,25px);pointer-events:none;word-break:break-all}.admin-grid{display:grid;grid-template-columns:400px 1fr;gap:26px}.admin-grid .panel{padding:26px}.check{display:flex;align-items:center;gap:9px}.check input{width:18px;height:18px}.list-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.list-heading h2{margin-bottom:0}.client-row{border-top:1px solid var(--line);padding:20px 0;overflow-wrap:anywhere}.client-row h3{margin:0;font-size:17px;color:var(--navy)}.client-row p{margin:4px 0;font-size:14px}.client-row .buttons{display:flex;gap:10px;margin-top:12px}.badge{font-size:11px;padding:4px 9px;border-radius:100px;background:#e0f2ec;color:#17654a}.badge.off{background:#f7e7e3;color:#9a3c22}pre{white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.6 Consolas,monospace;background:#f1f5f7;padding:14px;border-radius:8px}footer{max-width:1200px;margin:auto;padding:24px 32px 36px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}[hidden]{display:none!important}@media(max-width:850px){.welcome,.admin-grid{grid-template-columns:1fr;gap:28px}.book{display:none}h1{font-size:37px}.intro .lead{font-size:17px}main{padding:30px 20px}.panel{padding:26px}header{height:84px;padding:20px}header img{width:200px}header span{font-size:12px}.reader-heading{gap:10px}.reader-heading h1{font-size:25px}.page-wrap{padding:8px}.page-tools{gap:8px}}@media print{body>*{display:none!important}body:after{content:'Gunakan ruang baca daring untuk mengakses buku.';display:block;padding:30px}}

.preview-notice{text-align:center;margin:0;padding:7px;background:#fff2ce;color:#715b1a;font-size:12px}

.admin-login-panel{max-width:540px;margin:32px auto}.admin-login-panel form{margin-bottom:22px}#admin-logout{margin:0 0 22px}

@media(max-width:850px){header{height:108px}header img{width:180px}}