/* علم الكتاب — الأنماط الأساسية والمحرر */
@font-face{font-family:AdobeNaskh;src:url('fonts/adobe-naskh.ttf') format('truetype');font-display:swap}
@font-face{font-family:QuranHafs;src:url('fonts/uthmanic-hafs.ttf') format('truetype');font-display:swap}
@font-face{font-family:OfficialQuranHafs;src:url('fonts/quran-hafs-official.ttf') format('truetype');font-display:swap}
@font-face{font-family:BookTitle;src:url('fonts/b-jadid.ttf') format('truetype');font-display:swap}
@font-face{font-family:BookAuthor;src:url('fonts/amoshref-thulth.ttf') format('truetype');font-display:swap}
:root{--bg:#f5f2ea;--paper:#fffdf8;--ink:#272724;--muted:#7b7971;--line:#dfddd4;--accent:#684758;--accent-soft:#eee4ea;--green:#547460;--shadow:0 4px 25px #28251f05;--body-font:'Sakkal Majalla',AdobeNaskh,'Traditional Arabic',serif;--read-size:26px;color-scheme:light}
:root[data-theme=dark]{--bg:#202320;--paper:#282c28;--ink:#eeeae0;--muted:#b1b2a6;--line:#42473f;--accent:#d6b7cd;--accent-soft:#3d3039;--green:#a5c5ad;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background-color:var(--bg);color:var(--ink);font-family:var(--body-font);font-size:20px;line-height:1.65}
button,input,textarea,select{font:inherit;color:inherit}
button,a,input,textarea,select{touch-action:manipulation}
button{cursor:pointer}
button:disabled{cursor:default;opacity:.45}
a{color:inherit;text-decoration:none}
button{border:0}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
input,textarea,select{border:1px solid var(--line);border-radius:8px;background:var(--paper);padding:10px 13px;min-width:0}
input:focus,textarea:focus{border-color:var(--accent)}
textarea{resize:vertical}
svg{width:20px;height:20px;flex:none;vertical-align:middle}
h1,h2,h3,p{margin-top:0}
h2{font-size:32px;line-height:1.5}
h3{font-size:25px}
small{font-size:16px}
::selection{background:#d7bccd;color:#242124}
.wrap{width:min(1260px,calc(100% - 96px));margin-inline:auto}
.muted{color:var(--muted)}
.eyebrow{font-size:16px;letter-spacing:.02em;color:var(--accent);display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:12px;font-size:25px;font-weight:bold;line-height:1.2}
.brand small{display:block;color:var(--muted);font-weight:normal;font-size:15px;margin-top:6px}
.icon-button{display:inline-flex;align-items:center;justify-content:center;width:37px;height:37px;border:1px solid transparent;border-radius:8px;background:transparent;font-size:21px;flex:none}
.icon-button:hover{background:var(--accent-soft);border-color:var(--line)}
.primary-button,.outline-button,.soft-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:9px 19px;min-height:43px;border-radius:8px;font-size:19px;line-height:1.5;transition:background .15s,transform .15s}
.primary-button{background:var(--accent);color:var(--paper);border:1px solid var(--accent)}
:root[data-theme=dark] .primary-button{color:#242024}
.primary-button:hover{filter:brightness(1.08)}
.outline-button{background:var(--paper);border:1px solid var(--line)}
.outline-button:hover{border-color:var(--accent)}
.soft-button{background:var(--accent-soft);color:var(--accent);border:1px solid transparent}
.text-button{background:none;color:var(--accent);padding:5px;font-size:18px}
.full{width:100%}
.hero-description{font-size:25px;max-width:850px;color:var(--muted);margin-bottom:20px}
.hero-meta{display:flex;align-items:center;gap:13px;color:var(--muted);font-size:17px;flex-wrap:wrap}
.topic-number{font-size:14px;opacity:.65;margin-inline-end:7px}
.search-field{display:flex;align-items:center;gap:8px;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:0 12px;margin-bottom:15px;color:var(--muted)}
.search-field input{background:transparent;border:0;width:100%;font-size:17px;padding:9px 0;outline-offset:2px}
.toolbar-divider{height:20px;width:1px;background:var(--line);margin-inline:3px}
.reading-paper{border:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow);border-radius:14px;padding:clamp(25px,4.5vw,62px);min-height:430px;scroll-margin-top:85px}
.paper-heading{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:30px}
.paper-heading h2{font-size:clamp(31px,3.4vw,44px);margin:10px 0 5px;color:var(--ink);font-weight:700}
.book-paragraph{font-size:var(--read-size);line-height:1.95;margin-bottom:24px;white-space:pre-wrap;text-align:justify;text-wrap:pretty;overflow-wrap:anywhere}
.book-heading{font-size:calc(var(--read-size) * 1.2);margin:35px 0 20px;line-height:1.7}
.verse-block{border-inline-start:3px solid var(--accent);background:var(--bg);margin:27px 0;padding:24px 27px;border-radius:8px}
.verse-text{font-family:QuranHafs,serif;font-size:calc(var(--read-size) * 1.02);line-height:2.3;white-space:pre-wrap;margin:0;text-align:justify}
.verse-reference{display:block;text-align:left;font-size:16px;color:var(--accent);margin-top:13px}
.book-image{max-width:100%;height:auto;display:block;margin:25px auto;border-radius:8px}
.mobile-only{display:none}
.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,12px);max-width:calc(100% - 40px);padding:10px 22px;border:1px solid var(--line);border-radius:10px;background:var(--ink);color:var(--paper);box-shadow:0 10px 30px #0002;z-index:100;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;font-size:19px}
.toast.visible{opacity:1;transform:translate(-50%,0)}
.toast.error{background:#833f42;color:#fff}
.modal{padding:0;border:1px solid var(--line);border-radius:17px;background:var(--paper);color:var(--ink);max-width:min(750px,calc(100% - 32px));width:750px;box-shadow:0 25px 80px #0003;max-height:90vh}
.modal.narrow{width:460px}
.modal::backdrop{background:#24212565;backdrop-filter:blur(3px)}
.modal-inner{padding:30px}
.modal-header{display:flex;justify-content:space-between;align-items:start;gap:20px;margin-bottom:20px}
.modal h2{margin-bottom:10px}
.modal p{color:var(--muted)}
.form-message{min-height:25px;font-size:18px;color:#a34d4d!important;margin:13px 0}
.challenge{margin:16px 0;min-height:0}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:17px;font-size:18px}
.field small{color:var(--muted)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.button-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);color:var(--accent);font-size:15px;padding:2px 10px;border-radius:30px}
.ltr{direction:ltr;text-align:left}
.otp-input{letter-spacing:.4em;font-size:29px!important;text-align:center;direction:ltr}
.totp-secret{font-family:monospace;font-size:18px;overflow-wrap:anywhere;background:var(--bg);padding:13px;border:1px solid var(--line);border-radius:7px;direction:ltr;text-align:center;user-select:all}
.qr-code{display:block;width:165px;height:165px;margin:15px auto;background:#fff}
.editor-header{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:18px 30px;border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:25}
.editor-header .brand{font-size:22px}
.editor-top-actions{display:flex;gap:9px;align-items:center}
.save-status{font-size:16px;color:var(--muted);margin-inline-end:10px}
.save-status.saved{color:var(--green)}
.editor-layout{display:grid;grid-template-columns:280px minmax(0,1fr);min-height:calc(100vh - 80px)}
.editor-sidebar{padding:25px 20px;background:var(--paper);border-inline-end:1px solid var(--line);position:sticky;top:81px;height:calc(100vh - 81px);overflow:auto;scrollbar-width:thin}
.sidebar-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:14px}
.sidebar-heading h2{font-size:26px;margin:0}
.editor-sidebar .search-field{background:var(--bg)}
.editor-topic{display:flex;align-items:center;gap:9px;text-align:right;width:100%;background:none;padding:12px 10px;border-radius:8px;font-size:18px;line-height:1.5;color:var(--muted);margin-bottom:4px}
.editor-topic.active{background:var(--accent-soft);color:var(--accent)}
.editor-topic:hover{background:var(--bg)}
.editor-main{padding:26px 35px 60px;max-width:1200px;width:100%;margin-inline:auto;min-width:0}
.editor-context{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.editor-context p{margin:0;font-size:18px;color:var(--muted)}
.editor-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:10px 13px;margin-bottom:20px}
.editor-tools button{font-size:18px}
.editor-tools .toolbar-divider{margin-inline:8px}
.writing-sheet{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:35px clamp(18px,3vw,50px);min-height:520px;box-shadow:var(--shadow)}
.section-title-input{width:100%;background:none;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:10px 0 20px;font-size:36px;font-weight:bold;margin-bottom:20px}
.block-wrapper{position:relative;padding-inline-end:33px;margin:12px 0}
.block-wrapper:focus-within{border-radius:6px}
.block-tools{display:flex;flex-direction:column;position:absolute;left:-8px;top:5px;opacity:0;transition:opacity .1s}
.block-wrapper:focus-within .block-tools,.block-wrapper:hover .block-tools{opacity:1}
.block-tools .icon-button{width:28px;height:28px}
.block-tools svg{width:15px;height:15px}
.writing-paragraph{width:100%;resize:none;overflow:hidden;border:1px solid transparent;padding:10px 0;background:transparent;line-height:1.95;font-size:25px;border-radius:5px;min-height:70px;white-space:pre-wrap;text-align:justify}
.writing-paragraph:focus{outline:none;border-color:var(--line);padding-inline:10px;background:var(--bg)}
.writing-paragraph.heading{font-size:30px;font-weight:bold}
.writing-paragraph.bold{font-weight:bold}
.editor-verse{margin:10px 0}
.editor-verse .verse-text{font-size:25px}
.block-label{font-size:14px;color:var(--muted);margin-bottom:5px}
.editor-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:20px;gap:12px;color:var(--muted);font-size:16px}
.empty-writing{text-align:center;padding:30px;color:var(--muted)}
.settings-section{border-top:1px solid var(--line);padding-top:22px;margin-top:22px}
.settings-section h3{margin-bottom:12px}
.security-status{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:17px}
.status-item{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 13px}
.status-item strong{display:block;font-size:18px}
.source-box{font-size:16px;color:var(--muted);background:var(--bg);border:1px solid var(--line);padding:12px 15px;border-radius:8px}
.source-box a{text-decoration:underline}
.verse-preview{max-height:240px;overflow:auto;min-height:75px}
.danger-text{color:#a34d4d}
.hidden,[hidden]{display:none!important}
.editor-sidebar-toggle{display:none}
@media(min-width:1700px){
  .wrap{max-width:1420px}
  .reading-paper{padding:65px 80px}
  .book-paragraph{line-height:2}
}
@media(max-width:1050px){
  .wrap{width:calc(100% - 50px)}
  .reading-paper{padding:30px}
  .editor-layout{grid-template-columns:235px minmax(0,1fr)}
  .editor-main{padding:25px 22px}
  .editor-header{padding-inline:20px}
  .save-status{display:none}
  .editor-top-actions .outline-button span:not([data-icon]){display:none}
}
@media(max-width:760px){
  .wrap{width:calc(100% - 34px)}
  .brand{font-size:23px}
  .brand small{font-size:14px}
  .hero-description{font-size:23px;margin-bottom:15px}
  .hero-meta{font-size:15px;gap:9px}
  .mobile-only{display:inline-flex}
  .reading-paper{border-radius:11px;padding:27px 23px}
  .toolbar-divider{margin-inline:2px}
  .paper-heading{padding-bottom:20px;margin-bottom:25px}
  .paper-heading h2{font-size:34px}
  .book-paragraph{font-size:var(--read-size);line-height:1.9;text-align:start}
  .verse-block{padding:18px 17px}
  .verse-text{text-align:start}
  .modal-inner{padding:24px}
  .editor-header{padding:12px 15px;gap:5px}
  .editor-header .brand small{display:none}
  .editor-header .brand{font-size:20px;gap:8px}
  .editor-top-actions{gap:5px}
  .editor-top-actions .primary-button,.editor-top-actions .outline-button{padding:7px 10px;font-size:16px;min-height:37px}
  .editor-top-actions .outline-button{display:none}
  .editor-layout{display:block}
  .editor-sidebar{position:fixed;top:0;right:0;bottom:0;z-index:50;transform:translateX(110%);width:280px;height:100vh;transition:transform .2s;box-shadow:-10px 0 50px #0002}
  .editor-sidebar.open{transform:translateX(0)}
  .editor-sidebar-toggle{display:inline-flex}
  .editor-main{padding:20px 16px 50px}
  .editor-context{font-size:16px}
  .editor-context p{font-size:16px}
  .editor-tools{padding:8px;gap:5px}
  .editor-tools .soft-button{padding:6px 10px;font-size:17px}
  .writing-sheet{padding:22px 16px}
  .section-title-input{font-size:31px}
  .writing-paragraph{font-size:25px}
  .block-wrapper{padding-inline-end:23px}
  .block-tools{opacity:1;left:-10px}
  .block-tools .icon-button{width:25px;height:25px}
  .form-row{gap:10px}
  .security-status{grid-template-columns:1fr}
  .editor-bottom{align-items:start;flex-direction:column;gap:5px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}
.text-bold{font-weight:bold}
.text-italic{font-style:italic}
.original-quran{font-family:QuranHafs,serif}
.official-quran{font-family:OfficialQuranHafs,serif!important}
.cover-title{font-family:BookTitle,var(--body-font);font-size:1.7em}
.author-script{font-family:BookAuthor,var(--body-font)}
.toolbar-spacer{flex:1}
.modal-actions{margin-top:22px}
.paragraph-preview{font-size:25px;line-height:1.95;white-space:pre-wrap;text-align:justify;padding:10px 0;border:1px solid transparent;border-radius:6px;cursor:text;overflow-wrap:anywhere}
.paragraph-preview:hover{border-color:var(--line)}
.paragraph-preview.heading{font-size:30px;font-weight:bold}
.qr-code{shape-rendering:crispEdges}
.template-spacer{min-height:15px;padding-block:0;margin-block:3px;opacity:.5}
.template-spacer .block-label{font-size:12px}
@media print{
  .toast{display:none}
  body{background:white;color:black}
  .reading-paper{border:none;padding:0;box-shadow:none}
  .book-paragraph,.verse-text{font-size:14pt}
  .verse-block{break-inside:avoid;background:none}
  .reading-paper h2{break-after:avoid}
}
@font-face{font-family:Cairo;src:url('fonts/cairo.ttf') format('truetype');font-weight:200 1000;font-display:swap}
:root{--ui-font:Cairo,Tahoma,sans-serif;--verse-font:QuranHafs,serif;--heading-font:'Sakkal Majalla',AdobeNaskh,serif}
body{font-family:var(--ui-font);font-size:16px;line-height:1.8}
.hero-description{font-size:19px}
.hero-meta{font-size:14px}
.brand{font-size:20px}
.brand small{font-size:12px}
.primary-button,.outline-button,.soft-button{font-size:15px}
.text-button{font-size:15px}
.editor-topic{font-size:15px}
.topic-number{font-family:var(--ui-font);font-size:12px}
.sidebar-heading h2{font-size:23px}
.search-field input{font-size:14px}
.eyebrow,.editor-context p,.save-status,.editor-bottom{font-size:13px}
.field{font-size:15px}
.modal h2{font-size:26px}
.modal h3,.settings-section h3{font-size:21px}
.modal p,.form-message{font-size:15px}
small{font-size:13px}
.editor-header .brand{font-size:18px}
.editor-tools button{font-size:15px}
.book-paragraph,.writing-paragraph,.paragraph-preview{font-family:var(--body-font)}
.book-heading,.paper-heading h2,.section-title-input,.writing-paragraph.heading,.paragraph-preview.heading{font-family:var(--heading-font)}
.original-quran,.verse-text{font-family:var(--verse-font)}
:root[data-custom-verse] .official-quran{font-family:var(--verse-font)!important}
.quran-marker{font-family:OfficialQuranHafs!important;font-weight:normal}
:root[data-custom-heading] .cover-title{font-family:var(--heading-font)}
:root[data-custom-body] .author-script{font-family:var(--body-font)}
.topic-visibility{display:flex;align-items:center;gap:10px;font-size:14px;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin-bottom:8px;cursor:pointer}
.topic-visibility input{accent-color:var(--accent);width:19px;height:19px;flex:none}
.visibility-hint{font-size:12px;color:var(--muted);margin-bottom:18px}
.hidden-topic-mark{font-size:10px;border:1px solid var(--line);border-radius:5px;padding:1px 5px;margin-inline-start:auto;white-space:nowrap;color:var(--muted)}
.font-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.font-controls .field{min-width:0}
.font-controls select{width:100%;font-size:14px}
.font-preview-grid{display:grid;gap:8px;margin:8px 0 16px}
.font-preview{border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:12px 15px;font-size:26px;line-height:2;overflow-wrap:anywhere}
.font-preview.heading{font-size:32px}
.font-upload-form{margin-top:22px;padding:18px;background:var(--bg);border:1px dashed var(--line);border-radius:10px}
.font-upload-form input[type=file]{background:var(--paper);max-width:100%;font-size:13px}
.license-check{display:flex;align-items:flex-start;gap:8px;font-size:13px;margin-block:12px}
.license-check input{accent-color:var(--accent);margin-top:6px}
.quran-dock{position:fixed;inset-block:0;left:0;width:min(465px,100vw);background:var(--paper);border-inline-start:1px solid var(--line);box-shadow:12px 0 40px #0002;z-index:70;overflow:auto;padding:20px}
.quran-dock-header{display:flex;justify-content:space-between;align-items:center;gap:10px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:15px}
.quran-dock-header h2{font-size:21px;margin:0}
.quran-dock-header .text-button{font-size:12px}
@media(min-width:1450px){
  body.quran-dock-open .editor-main{padding-inline-end:470px;max-width:1650px}
}
@media(max-width:760px){
  .hero-description{font-size:17px}
  .brand{font-size:18px}
  .brand small{font-size:11px}
  .editor-header .brand{font-size:15px}
  .editor-top-actions .primary-button{font-size:13px}
  .editor-context p{font-size:13px}
  .editor-tools .soft-button,.editor-tools button{font-size:13px}
  .font-controls{grid-template-columns:1fr}
  .quran-dock{width:100%;padding:18px}
  .modal-inner{padding:20px}
  .form-row{grid-template-columns:1fr}
  .topic-visibility{font-size:13px}
}

/* ===================== الخلفية المربعة ===================== */
:root{--coffee:#94673c;--grid:rgba(133,94,62,.15);--header-h:68px;--sidebar-w:320px;--toc-font:QuranHafs,var(--ui-font)}
:root[data-theme=dark]{--coffee:#d8b184;--grid:rgba(226,190,150,.07)}
body{background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:36px 36px}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes toc-in{from{opacity:0;transform:translateX(28px)}to{opacity:1;transform:none}}

/* ===================== عناصر مشتركة ===================== */
.skip-link{position:fixed;top:-60px;right:20px;background:var(--accent);color:var(--paper);padding:8px 20px;z-index:100;border-radius:8px}
.skip-link:focus{top:10px}
.loader{width:36px;height:36px;margin:70px auto;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
.is-loading{position:relative;color:transparent!important;pointer-events:none}
.is-loading:disabled{opacity:1}
.is-loading>*{visibility:hidden}
.is-loading::after{content:"";position:absolute;inset:0;margin:auto;width:20px;height:20px;border:2.5px solid color-mix(in srgb,var(--paper) 35%,transparent);border-top-color:var(--paper);border-radius:50%;animation:spin .7s linear infinite}
.outline-button.is-loading::after,.soft-button.is-loading::after,.text-button.is-loading::after{border-color:var(--line);border-top-color:var(--accent)}
.form-message{min-height:0;margin:14px 0 0;padding:10px 14px;border-radius:9px;background:color-mix(in srgb,#a34d4d 10%,transparent);line-height:1.8}
.form-message:empty{display:none}
.form-message.ok{color:var(--green)!important;background:color-mix(in srgb,var(--green) 12%,transparent)}
.paper-state{padding:40px 0;text-align:center}
.paper-state p{color:var(--muted);font-size:17px}
.tool-button{display:grid;place-items:center;flex:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--paper);color:var(--ink);transition:border-color .2s,color .2s,background .2s,transform .2s}
.tool-button:hover{border-color:var(--accent);color:var(--accent)}
.tool-button:active{transform:scale(.94)}
.tool-button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--paper)}
.tool-button svg{width:19px;height:19px}

/* ===================== الهيدر ===================== */
.reader-header{position:sticky;top:0;z-index:70;height:var(--header-h);display:flex;align-items:center;gap:16px;padding-inline:clamp(14px,2.4vw,34px);background:color-mix(in srgb,var(--paper) 90%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);box-shadow:0 6px 24px rgba(60,42,28,.05)}
.header-brand{display:flex;align-items:center;gap:16px;min-width:0;margin-inline-end:auto}
.header-book{font-family:BookTitle,var(--ui-font);font-size:34px;line-height:1.2;color:var(--ink);white-space:nowrap}
.header-author{position:relative;padding-inline-start:17px;font-size:14px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.header-author::before{content:"";position:absolute;inset-inline-start:0;top:50%;width:1px;height:22px;margin-top:-11px;background:var(--line)}
.header-author b{color:var(--accent);font-weight:700}
.reader-tools{display:flex;align-items:center;gap:2px;flex:none;height:46px;padding:4px;border:1px solid var(--line);border-radius:999px;background:var(--bg)}
.reader-tools .tool-button{width:36px;height:36px;border-color:transparent;background:transparent}
.reader-tools .tool-button:hover{background:var(--accent-soft);border-color:transparent}
.reader-tools .tool-button[aria-pressed=true]{background:var(--accent);color:var(--paper)}
.tools-divider{width:1px;height:20px;margin-inline:5px;background:var(--line)}
.font-stepper{display:flex;align-items:center;height:36px}
.font-stepper button{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:transparent;color:var(--ink);transition:background .2s,color .2s,transform .2s}
.font-stepper button:hover:not(:disabled){background:var(--accent-soft);color:var(--accent)}
.font-stepper button:active:not(:disabled){transform:scale(.9)}
.font-stepper button:disabled{opacity:.3}
.font-stepper svg{width:16px;height:16px;stroke-width:2.2}
.font-stepper output{display:none}
.menu-toggle{display:none;place-items:center;flex:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--paper);color:var(--ink)}
.burger{display:block;width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;overflow:visible}
.burger path{transform-origin:12px 12px;transition:transform .4s cubic-bezier(.65,0,.2,1),opacity .2s}
.menu-open .burger path:nth-child(1){transform:rotate(45deg) translateY(5.5px)}
.menu-open .burger path:nth-child(2){opacity:0;transform:scaleX(.2)}
.menu-open .burger path:nth-child(3){transform:rotate(-45deg) translateY(-5.5px)}
/* الأيقونة تتوسط زرها تماماً مهما كان ارتفاع السطر */
.tool-button>span,.font-stepper button>span,.contact-link>span[data-icon]{display:flex;line-height:0}
.reading-progress{position:fixed;top:0;right:0;left:0;height:3px;z-index:80;pointer-events:none}
.reading-progress span{display:block;height:100%;width:0;background:var(--accent);transition:width .1s linear}

/* ===================== التواصل في الهيدر ===================== */
.header-contact{display:flex;align-items:center;flex:none;height:46px;padding:4px;border:1px solid var(--line);border-radius:999px;background:var(--bg)}
.contact-link{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:999px;color:var(--ink);font-size:13px;font-weight:600;transition:background .2s,color .2s}
.contact-link svg{width:17px;height:17px;color:var(--accent)}
.contact-link:hover{background:var(--accent-soft);color:var(--accent)}
.by{color:var(--coffee);font-weight:600}
.header-author b{color:var(--accent);font-weight:800}

/* ===================== القائمة الجانبية ===================== */
.sidebar-author{display:none;margin:0 2px 14px;padding-bottom:12px;border-bottom:1px solid var(--line);font-size:14px;text-align:center}
.sidebar-author b{color:var(--accent);font-weight:800}
.reader-shell{display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr);align-items:start}
.book-sidebar{position:sticky;top:var(--header-h);height:calc(100vh - var(--header-h));height:calc(100dvh - var(--header-h));overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;padding:20px 14px 34px;border-inline-end:1px solid var(--line);background:color-mix(in srgb,var(--paper) 82%,transparent)}
.book-sidebar .search-field{margin-bottom:12px;border-radius:12px}
.book-sidebar .search-field:focus-within{border-color:var(--accent)}
.book-sidebar .search-field input:focus-visible{outline:none}
/* الفهرس كشجرة: الفصل شريط بارز، وما تحته يتدرج إلى الداخل على خط يربطه بفصله */
.toc-item{--indent:0px;display:flex;align-items:baseline;gap:10px;width:calc(100% - var(--indent));margin-inline-start:var(--indent);padding:7px 12px;border-inline-start:2px solid var(--line);background:transparent;color:var(--ink);text-align:start;transition:background .18s,color .18s,border-color .18s}
.toc-title{flex:1;min-width:0;font-family:var(--toc-font);line-height:1.75}
.toc-page{flex:none;font-size:11.5px;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}
.toc-item[data-level="0"],.toc-item[data-level="1"]{margin-top:12px;margin-bottom:4px;padding:9px 12px;border-inline-start:4px solid var(--accent);border-radius:10px;background:var(--accent-soft);font-size:20px}
.toc-item[data-level="0"]:first-child,.toc-item[data-level="1"]:first-child{margin-top:0}
.toc-item[data-level="2"]{--indent:14px;font-size:18px}
.toc-item[data-level="3"]{--indent:34px;font-size:16.5px;color:color-mix(in srgb,var(--ink) 78%,var(--muted))}
.toc-item[data-level="4"],.toc-item[data-level="5"],.toc-item[data-level="6"]{--indent:54px;font-size:15.5px;color:color-mix(in srgb,var(--ink) 62%,var(--muted))}
.toc-item:hover{background:var(--accent-soft);color:var(--accent);border-inline-start-color:var(--accent)}
.toc-item.active,.toc-item.active:hover{background:var(--accent);color:var(--paper);border-inline-start-color:var(--accent)}
.toc-item.active .toc-page{color:inherit;opacity:.8}
:root[data-theme=dark] .toc-item.active{color:#242024}
.toc-empty{padding:6px 12px;font-size:13.5px}
.search-group{display:flex;align-items:center;gap:10px;margin:18px 4px 10px;font-size:12.5px;font-weight:800;color:var(--coffee)}
.search-group:first-child{margin-top:4px}
.search-group::after{content:"";flex:1;height:1px;background:var(--line)}
.search-hit-item{display:block;width:100%;margin-bottom:8px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--paper);text-align:start;transition:border-color .18s,transform .18s}
.search-hit-item:hover{border-color:var(--accent);transform:translateY(-1px)}
.search-hit-head{display:flex;align-items:baseline;gap:8px;margin-bottom:2px}
.search-hit-title{flex:1;min-width:0;font-family:var(--toc-font);font-size:15px;color:var(--accent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.search-hit-text{display:block;font-family:var(--body-font);font-size:17px;line-height:1.8;color:var(--ink);overflow-wrap:anywhere}
mark,.search-mark{background:#f2d98a;color:#2b2415;border-radius:4px;padding:0 2px}
.loader.small{width:22px;height:22px;margin:14px auto;border-width:2px}
.menu-backdrop{position:fixed;inset:var(--header-h) 0 0 0;z-index:55;background:rgba(32,26,22,.5);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:opacity .35s,visibility 0s .35s}

/* ===================== مساحة القراءة ===================== */
.reader-main{min-width:0}
.reader-content{width:100%;max-width:1100px;margin-inline:auto;padding:clamp(16px,3vw,40px) clamp(14px,3vw,40px) 40px}
.reading-paper:focus{outline:none}
.reading-paper>*{animation:rise .45s cubic-bezier(.22,1,.36,1) both}
[data-section],[data-block]{scroll-margin-top:calc(var(--header-h) + 18px)}
.chapter-title{margin:0 0 28px;padding-bottom:18px;border-bottom:1px solid var(--line);font-family:var(--heading-font);font-size:clamp(34px,3.6vw,50px);font-weight:700;line-height:1.6}
.topic-title{margin:36px 0 18px;font-family:var(--heading-font);font-size:calc(var(--read-size) * 1.32);font-weight:700;line-height:1.7;color:var(--accent)}
.topic-title[data-level="3"]{font-size:calc(var(--read-size) * 1.16)}
.topic-title[data-level="4"],.topic-title[data-level="5"],.topic-title[data-level="6"]{font-size:calc(var(--read-size) * 1.04)}
.reading-paper>.topic-title:first-child{margin-top:0}
.reading-paper>:last-child{margin-bottom:0}
.cover-paper,.title-page{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;min-height:min(66vh,620px)}
.cover-paper .book-paragraph,.cover-paper .book-heading{text-align:center;margin-bottom:14px}
.title-page .chapter-title{margin:0;padding:0;border:0;font-size:clamp(40px,5.4vw,68px)}
.title-page .topic-title{margin:0}
.flash{animation:flash 2.4s ease-out both}
@keyframes flash{0%,35%{background:color-mix(in srgb,#f2d98a 45%,transparent);box-shadow:0 0 0 8px color-mix(in srgb,#f2d98a 45%,transparent)}100%{background:transparent;box-shadow:0 0 0 8px transparent}}
.chapter-navigation{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:22px}
.page-arrow{display:grid;place-items:center;width:48px;height:48px;border:1px solid var(--line);border-radius:50%;background:var(--paper);color:var(--accent);box-shadow:0 4px 14px rgba(60,42,28,.06);transition:background .2s,color .2s,border-color .2s,transform .2s}
.page-arrow>span{display:flex;line-height:0}
.page-arrow svg{width:21px;height:21px;stroke-width:1.9}
.page-arrow:hover:not(:disabled){background:var(--accent);border-color:var(--accent);color:var(--paper);transform:translateY(-2px)}
.page-arrow:active:not(:disabled){transform:scale(.94)}
.page-arrow:disabled{opacity:.3;box-shadow:none}
.page-jump{display:flex;align-items:center;gap:8px;height:48px;padding-inline:8px 16px;border:1px solid var(--line);border-radius:999px;background:var(--paper);font-size:13.5px;font-weight:600;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.page-jump input{width:52px;height:34px;padding:2px;border:0;border-radius:999px;background:var(--bg);text-align:center;font-size:15px;font-weight:800;color:var(--ink);-moz-appearance:textfield;appearance:textfield}
.page-jump input:focus{outline:2px solid var(--accent);outline-offset:1px}
.page-jump input::-webkit-outer-spin-button,.page-jump input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.web-toc{display:grid;margin-bottom:10px}
.web-toc-item{--indent:0px;display:flex;align-items:baseline;gap:12px;padding:10px 8px;padding-inline-start:calc(8px + var(--indent));background:transparent;font-size:calc(var(--read-size) * .82);line-height:1.8;text-align:start;border-radius:8px;transition:background .18s,color .18s}
.web-toc-title{font-family:var(--toc-font)}
.web-toc-dots{flex:1;min-width:20px;border-bottom:2px dotted var(--line);transform:translateY(-.35em)}
.web-toc-page{font-family:var(--ui-font);font-size:.62em;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}
.web-toc-item[data-level="1"]{margin-top:8px;font-size:calc(var(--read-size) * .95)}
.web-toc-item[data-level="2"]{--indent:26px}
.web-toc-item[data-level="3"]{--indent:52px}
.web-toc-item[data-level="4"]{--indent:78px}
.web-toc-item:hover{background:var(--accent-soft);color:var(--accent)}

/* ===================== نافذة فتح الكتاب ===================== */
#readerGate .modal-inner{padding:34px 30px 30px;text-align:center}
#readerGate h2{margin:0 0 6px;font-family:BookTitle,var(--ui-font);font-size:40px;font-weight:normal;line-height:1.4}
.modal p.gate-creed{margin:0 0 22px;padding:14px 0;border-block:1px solid var(--line);font-family:var(--heading-font);font-size:clamp(15px,5.4vw,28px);line-height:2;color:var(--accent);white-space:nowrap}
#readerGate .challenge{display:flex;justify-content:center;margin:0 0 16px}
#readerGate .form-message{margin:0 0 14px}

/* ===================== ملء الشاشة ===================== */
.focus-bar{display:none;align-items:center;gap:2px;position:fixed;top:12px;inset-inline-end:12px;z-index:90;height:42px;padding:3px;border:1px solid var(--line);border-radius:999px;background:color-mix(in srgb,var(--paper) 90%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:.45;transition:opacity .2s}
.focus-bar:hover,.focus-bar:focus-within{opacity:1}
.focus-bar button{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:transparent;color:var(--ink);transition:background .2s,color .2s}
.focus-bar button>span{display:flex;line-height:0}
.focus-bar button:hover:not(:disabled){background:var(--accent-soft);color:var(--accent)}
.focus-bar button:disabled{opacity:.3}
.focus-bar svg{width:17px;height:17px}
body.focus-mode{--header-h:0px;background:var(--paper);background-image:none}
.focus-mode .focus-bar{display:flex}
.focus-mode .reader-header,.focus-mode .book-sidebar,.focus-mode .menu-backdrop,.focus-mode .reading-progress{display:none}
.focus-mode .reader-shell{display:block}
.focus-mode .reader-content{max-width:none;padding:0}
.focus-mode .reading-paper{min-height:calc(100vh - 84px);padding:clamp(34px,5vw,84px) clamp(20px,6vw,120px) 30px;border:0;border-radius:0;box-shadow:none}
.focus-mode .chapter-navigation{margin:0;padding:16px clamp(20px,6vw,120px) 26px;background:var(--paper)}

/* ===================== تسجيل الدخول ===================== */
.auth-page{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:24px 16px}
.auth-card{width:min(420px,100%);padding:34px 30px 30px;border:1px solid var(--line);border-radius:18px;background:var(--paper);box-shadow:0 18px 60px rgba(60,42,28,.09);animation:rise .5s cubic-bezier(.22,1,.36,1) both}
.auth-card h1{margin:0 0 24px;font-size:26px;font-weight:800;text-align:center;line-height:1.5}
.auth-card .field{font-size:14px;font-weight:600}
.auth-card .field small{font-weight:400}
.auth-card .field input{height:48px;font-size:16px;border-radius:10px;transition:border-color .2s,box-shadow .2s}
.auth-card .field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.auth-card .primary-button{min-height:48px;font-size:16px;font-weight:700;border-radius:10px;margin-top:6px}
.auth-card .text-button{margin-top:10px;font-size:14px}
.auth-card .challenge:empty{display:none}
.auth-hint{font-size:14px;margin-bottom:6px}

/* ===================== المحرر ===================== */
.editor-topic{font-family:var(--toc-font);font-size:17px}
.editor-header .brand small{margin-top:2px}

/* ===================== منع النسخ ===================== */
.reader-page{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.reader-page input{-webkit-user-select:text;user-select:text}
.reader-page img{-webkit-user-drag:none;pointer-events:none}

/* ===================== الشاشات الصغيرة ===================== */
.header-contact .tools-divider{display:none}
@media(max-width:1000px){
  :root{--header-h:62px}
  .menu-toggle{display:grid}
  .reader-shell{display:block}
  .book-sidebar{position:fixed;top:var(--header-h);right:0;bottom:0;z-index:60;width:min(370px,90vw);height:auto;padding-top:18px;background:var(--paper);border-inline-end:0;transform:translateX(105%);visibility:hidden;transition:transform .45s cubic-bezier(.22,1,.36,1),visibility 0s .45s}
  .menu-open .book-sidebar{transform:none;visibility:visible;box-shadow:-20px 0 60px rgba(0,0,0,.22);transition:transform .45s cubic-bezier(.22,1,.36,1)}
  .menu-open .menu-backdrop{opacity:1;visibility:visible;transition:opacity .35s}
  .menu-open .toc-item,.menu-open .book-sidebar .search-field{animation:toc-in .5s cubic-bezier(.22,1,.36,1) both;animation-delay:calc(var(--i,0) * 30ms + 110ms)}
  .menu-open .book-sidebar .search-field{animation-delay:60ms}
  body.menu-open{overflow:hidden}
}
@media(max-width:640px){
  :root{--header-h:58px}
  .reader-header{gap:6px;padding-inline:10px}
  .menu-toggle{width:38px;height:38px;border-radius:11px}
  .header-brand{min-width:0;margin-inline-end:auto}
  .header-book{font-size:22px;overflow:hidden;text-overflow:ellipsis}
  .header-author{display:none}
  .sidebar-author{display:block}
  .header-contact,.reader-tools{height:34px;padding:2px}
  .contact-link,.font-stepper button,.reader-tools .tool-button{width:28px;height:28px}
  .contact-link svg,.reader-tools .tool-button svg{width:15px;height:15px}
  .burger{width:20px;height:20px}
  .font-stepper{height:28px}
  .font-stepper svg{width:14px;height:14px}
  .tools-divider{height:16px;margin-inline:2px}
  #focusButton{display:none}
  .reading-paper{padding:24px 18px;border-radius:12px}
  .auth-card{padding:28px 20px 24px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important}
  .is-loading::after,.loader{animation-duration:.8s!important}
}
@media print{
  .reader-page>*{display:none!important}
}