:root{color-scheme:light;--ink:#203e33;--gold:#ba9250;--paper:#f8f4ea;--page-w:320px;--page-h:420px}
*{box-sizing:border-box}body{margin:0;background:#f4f0e7;background-image:radial-gradient(ellipse at 50% 40%,#fffaf1 0,transparent 65%);color:var(--ink);font-family:Tahoma,Arial,sans-serif;min-height:100svh}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.3}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:4px}.header{height:88px;padding:0 clamp(16px,5vw,80px);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #203e3314;background:#ffffff80}.brand{display:flex;align-items:center;gap:14px}.brand-icon{font-size:33px;color:var(--gold)}h1{font-size:23px;margin:0 0 6px;font-weight:700}.brand p{margin:0;color:#768579;font-size:11px}.header-actions{display:flex;align-items:center;gap:12px}.header button,.controls button{border:0;background:transparent;color:var(--ink);font-size:21px;min-height:42px;min-width:42px;border-radius:10px}.header button:hover,.controls button:hover{background:#203e330c}.download{display:flex;gap:10px;align-items:center;border-radius:9px;padding:13px 18px;background:var(--ink);color:white;text-decoration:none;font-size:13px;box-shadow:0 5px 12px #203e3314}.download small{font-size:9px;border:1px solid #ffffff40;border-radius:4px;padding:3px}.intro{text-align:center;padding:22px 0 12px}.eyebrow{font-size:10px;color:#967343;letter-spacing:1px}.intro p{font-size:17px;font-weight:normal;margin:9px 0 0}.stage{display:flex;align-items:center;justify-content:center;gap:24px;padding:14px 16px 22px;touch-action:pan-y}.book{direction:ltr;position:relative;width:calc(var(--page-w) * 2);height:var(--page-h);perspective:2400px;filter:drop-shadow(0 15px 18px #271f2726)}.page{position:absolute;top:0;width:var(--page-w);height:var(--page-h);padding:0;border:0;background:#fffdf6;overflow:hidden;border-radius:2px;box-shadow:0 1px 0 #ccc,0 3px 0 #e7dfcf,0 4px 0 #ccc;display:block}.page img,.face img{height:100%;width:100%;object-fit:contain;display:block;background:#fff}.page.left{left:0}.page.right{right:0}.page.left:after,.page.right:after{content:"";position:absolute;inset:0;pointer-events:none}.page.left:after{background:linear-gradient(90deg,transparent 88%,#24180d0b 95%,#24180d25)}.page.right:after{background:linear-gradient(90deg,#24180d25,#24180d0b 5%,transparent 12%)}.page.empty{visibility:hidden}.side-arrow{border:1px solid #203e3320;background:#fff9;width:45px;height:45px;border-radius:50%;font:30px Arial;color:var(--ink);flex-shrink:0}.side-arrow:hover{background:#fff;border-color:var(--gold)}.prev{order:0}.book{order:1}.next{order:2}.stage{direction:ltr}.leaf{position:absolute;top:0;width:var(--page-w);height:var(--page-h);transform-style:preserve-3d;visibility:hidden;z-index:5;pointer-events:none}.leaf.forward{left:0;transform-origin:right center}.leaf.backward{right:0;transform-origin:left center}.leaf.active{visibility:visible}.face{position:absolute;inset:0;backface-visibility:hidden;background:#fffdf6;overflow:hidden;box-shadow:0 0 20px #24180d18}.face.back{transform:rotateY(180deg)}.face:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0001,transparent 25%,transparent 75%,#0002);pointer-events:none}.controls{display:flex;justify-content:center;align-items:center;gap:8px;background:#fff9;border:1px solid #203e3310;border-radius:13px;width:max-content;max-width:calc(100% - 24px);margin:0 auto;padding:6px 12px;box-shadow:0 3px 10px #203e3305}.controls .label{font-size:12px}.controls button{display:flex;gap:5px;align-items:center;justify-content:center;padding:0 8px}form{display:flex;align-items:center;gap:6px;border-inline:1px solid #203e3315;padding:0 12px;font-size:11px;color:#66776b}input{width:48px;border:1px solid #203e3325;border-radius:6px;background:#fffc;padding:7px 3px;text-align:center;color:var(--ink);font:13px Tahoma;appearance:textfield}input::-webkit-inner-spin-button{appearance:none}.reading-status{font-size:11px;text-align:center;margin:15px 0 10px;color:#68796c;min-height:14px}.progress{height:3px;width:180px;background:#203e3312;margin:auto;border-radius:3px;overflow:hidden}#progress-fill{height:100%;background:var(--gold);transition:width .5s}.hint{font-size:10px;text-align:center;color:#829084;line-height:1.8;margin:12px 12px 0}footer{padding:22px 10px;text-align:center;font-size:10px;color:#92988d}footer span{color:var(--gold);margin-right:10px}.thumbnails{margin:22px auto 0;padding:12px;max-width:880px;display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.thumbnails[hidden]{display:none}.thumb{background:#fff9;border:2px solid transparent;border-radius:8px;padding:5px;color:var(--ink);font-size:11px}.thumb img{width:74px;height:96px;object-fit:contain;display:block;margin-bottom:6px}.thumb.selected{border-color:var(--gold)}dialog{width:min(1200px,98vw);height:96svh;max-height:96svh;padding:0;border:0;border-radius:12px;background:#e7e3db;box-shadow:0 20px 100px #0008}dialog::backdrop{background:#10231be6;backdrop-filter:blur(5px)}.zoom-toolbar{position:sticky;top:0;display:flex;align-items:center;justify-content:center;gap:12px;height:58px;background:#172822;color:white;direction:rtl}.zoom-toolbar button{border:1px solid #fff3;background:#fff1;border-radius:6px;min-width:36px;min-height:36px;color:white;font-size:19px}.zoom-toolbar span{font-size:12px}#zoom-scroll{height:calc(100% - 58px);overflow:auto;padding:14px;direction:ltr;text-align:center}#zoom-image{display:block;max-width:none;margin:auto;height:auto;width:100%;box-shadow:0 4px 20px #0002}.noscript{text-align:center}.single .book{width:var(--page-w)}.single .page.right{display:none}.single .page.left:after{background:linear-gradient(90deg,transparent 95%,#0001)}.single .leaf{left:0;right:auto}.single .leaf.forward{transform-origin:right center}.single .leaf.backward{transform-origin:left center}@media(max-width:650px){.header{height:76px;padding:0 16px}.brand{gap:8px}h1{font-size:19px}.brand-icon{font-size:26px}.header-actions{gap:6px}.download{padding:11px 12px;font-size:11px;gap:7px}.download small{display:none}.intro{padding-top:19px}.intro p{font-size:14px}.stage{gap:8px;padding-inline:8px}.side-arrow{width:32px;height:38px;font-size:25px;border-radius:8px}.controls{padding:5px;gap:1px}.controls button{min-width:34px;padding:0 6px}.controls .label{display:none}form{padding:0 8px}.hint{font-size:9px}footer{padding:18px 10px}.zoom-toolbar{gap:8px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Full viewport reading layout: the toolbar is the only permanent chrome. */
html,body{height:100%;height:100dvh;overflow:hidden}body{background:#e7e3d8;background-image:radial-gradient(ellipse at center,#f9f6ee,transparent 85%)}main{height:100%;position:relative}.stage{position:absolute;inset:0 0 calc(62px + env(safe-area-inset-bottom)) 0;padding:8px;gap:0;overflow:hidden}.book{flex-shrink:0}.book.cover{transform:translateX(calc(var(--page-w) / 2))}.side-arrow{position:absolute;z-index:8;width:34px;height:48px;background:#fff9;opacity:.7;border-radius:8px;box-shadow:0 2px 9px #0001}.side-arrow:hover,.side-arrow:focus-visible{opacity:1}.side-arrow.prev{left:5px}.side-arrow.next{right:5px}.controls{position:absolute;bottom:0;left:0;right:0;z-index:10;width:100%;max-width:none;height:calc(62px + env(safe-area-inset-bottom));margin:0;padding:6px 12px calc(6px + env(safe-area-inset-bottom));border-radius:0;background:#fffdf8f5;box-shadow:0 -2px 12px #0001;border:0;border-top:1px solid #203e3315;gap:8px}.controls button,.controls a{height:44px;min-width:40px;border-radius:8px}.controls .download{display:flex;align-items:center;justify-content:center;gap:5px;padding:0 12px;background:var(--ink);color:white;box-shadow:none;font-size:22px}.controls .label{white-space:nowrap;font-size:11px}#sound{font-size:18px}.reading-status{position:absolute;clip-path:inset(50%);height:1px;width:1px;overflow:hidden;white-space:nowrap}.progress{position:absolute;bottom:calc(61px + env(safe-area-inset-bottom));right:0;width:100%;height:2px;z-index:11;border-radius:0}.thumbnails{position:absolute;z-index:12;bottom:calc(72px + env(safe-area-inset-bottom));left:12px;right:12px;margin:0 auto;max-height:55dvh;overflow:auto;background:#fffdf8fa;box-shadow:0 5px 30px #0003;border-radius:12px;backdrop-filter:blur(12px)}.noscript{position:fixed;inset:30% 10% auto;z-index:20;background:#fff;padding:30px;border-radius:12px}dialog{height:100dvh;max-height:100dvh;width:100vw;max-width:100vw;border-radius:0}.zoom-toolbar{padding-top:env(safe-area-inset-top);height:calc(58px + env(safe-area-inset-top))}#zoom-scroll{height:calc(100% - 58px - env(safe-area-inset-top));padding-bottom:calc(14px + env(safe-area-inset-bottom))}@media(max-width:650px){.stage{gap:0;padding:8px}.side-arrow{width:26px;height:42px;font-size:23px;background:#fff8}.side-arrow.prev{left:3px}.side-arrow.next{right:3px}.controls{padding-inline:6px;gap:2px}.controls button,.controls a{min-width:32px;padding-inline:5px;font-size:20px}.controls .download{min-width:34px;padding-inline:6px}.controls .label{display:none}form{padding:0 7px;gap:4px}input{width:40px}#sound{font-size:17px}}@media(max-width:340px){.controls{gap:0;padding-inline:2px}.controls button{min-width:28px}form{padding-inline:4px}form label{display:none}}

.controls svg{width:21px;height:21px;display:block;flex-shrink:0}

/* Edge-to-edge reader with visible page controls and a floating toolbar. */
.stage{inset:0;padding:0;overflow:hidden}.book{filter:drop-shadow(0 5px 12px #0003)}
.controls{position:fixed;bottom:calc(10px + env(safe-area-inset-bottom));left:50%;right:auto;transform:translateX(-50%);width:max-content;max-width:calc(100vw - 16px);height:54px;padding:4px 10px;gap:5px;border-radius:14px;border:1px solid #c9c3b7;box-shadow:0 3px 22px #0003;background:#fffdf8f0;transition:opacity .25s,transform .25s;backdrop-filter:blur(12px)}
.ui-hidden .controls{opacity:0;pointer-events:none;transform:translate(-50%,20px)}
.progress{position:fixed;bottom:0;height:3px;width:100%;z-index:9}.thumbnails{bottom:76px}
.side-arrow{position:absolute;top:50%;transform:translateY(-50%);right:auto!important;width:56px;height:64px;border-radius:16px;opacity:1;background:#173e32f5;color:#fff;border:2px solid #dfb86b;font:44px Arial;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 5px #dfb86b24,0 0 24px #dfb86b88,0 4px 14px #0005;animation:arrowGlow 2.2s ease-in-out infinite;transition:background .2s,box-shadow .2s}
.side-arrow:after{content:'التالي';position:absolute;top:calc(100% + 6px);left:50%;transform:translateX(-50%);font:11px Tahoma;white-space:nowrap;color:#fff;background:#173e32ed;border:1px solid #dfb86b77;border-radius:7px;padding:4px 7px;pointer-events:none}
.side-arrow.prev:after{content:'السابق'}.side-arrow.restart:after{content:'من البداية'}.side-arrow.restart{font-size:34px}
.side-arrow:disabled{opacity:.25;animation:none;box-shadow:none}.side-arrow:disabled:after{display:none}.side-arrow:hover,.side-arrow:focus-visible{background:#27644e;box-shadow:0 0 0 7px #dfb86b44,0 0 30px #dfb86baa}
#tools-toggle{position:fixed;z-index:15;bottom:calc(13px + env(safe-area-inset-bottom));left:10px;border:1px solid #dfb86b99;background:#173e32e8;color:white;border-radius:10px;width:40px;height:40px;font:bold 23px Arial;box-shadow:0 3px 12px #0003;cursor:pointer}
@keyframes arrowGlow{0%,100%{box-shadow:0 0 0 4px #dfb86b22,0 0 15px #dfb86b66,0 4px 14px #0004}50%{box-shadow:0 0 0 8px #dfb86b33,0 0 30px #dfb86b99,0 4px 14px #0005}}
@media(max-width:650px){.side-arrow{width:44px;height:54px;font-size:35px;border-radius:13px}.side-arrow:after{font-size:10px;padding:3px 5px}.controls{padding:4px;gap:1px;max-width:calc(100vw - 12px);bottom:calc(9px + env(safe-area-inset-bottom))}#tools-toggle{bottom:calc(74px + env(safe-area-inset-bottom));left:8px;width:34px;height:34px;opacity:.85}}
@media(prefers-reduced-motion:reduce){.side-arrow{animation:none}.controls{transition:none}}