@import "https://fonts.googleapis.com/css2?family=Amiri:ital,wght@0,400;0,700;1,400&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg:#faf7f2;--ink:#2c1810;--ink-2:#6b5c4e;--primary:#1a6b4e;--primary-ink:#0f4a35;--primary-wash:#e8f1ec;--gold:#c8a951;--gold-ink:#8f7525;--gold-wash:#faf3de;--card:#fff;--line:#e4dcd0;--line-2:#efe8db;--danger:#a8432c;--danger-wash:#fbecea;--sp-2:2px;--sp-4:4px;--sp-8:8px;--sp-12:12px;--sp-16:16px;--sp-20:20px;--sp-24:24px;--sp-32:32px;--sp-40:40px;--sp-48:48px;--r-sm:8px;--r-md:10px;--r-lg:12px;--r-pill:999px;--shadow-1:0 1px 2px #2c18100d, 0 2px 6px #2c18100a;--shadow-2:0 4px 12px #2c181014, 0 12px 28px #2c18100f;--font-ar:"Amiri", "Times New Roman", serif;--font-mono:"JetBrains Mono", ui-monospace, monospace;--header-h:72px}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--ink);font-family:var(--font-ar);margin:0;padding:0;font-size:17px;line-height:1.7}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}.zb{justify-content:center;align-items:center;gap:var(--sp-8);font-family:var(--font-ar);border-radius:var(--r-sm);cursor:pointer;white-space:nowrap;border:1px solid #0000;font-weight:700;line-height:1;transition:transform .15s,box-shadow .15s,background .15s,color .15s,border-color .15s;display:inline-flex}.zb:disabled{opacity:.5;cursor:not-allowed}.zb:disabled:hover{box-shadow:none;transform:none}.zb--sm{padding:var(--sp-8) var(--sp-12);min-height:34px;font-size:13px}.zb--md{padding:var(--sp-12) var(--sp-20);min-height:44px;font-size:15px}.zb--primary{background:var(--primary);color:#f4ead2;box-shadow:var(--shadow-1)}.zb--primary:hover:not(:disabled){background:var(--primary-ink);box-shadow:var(--shadow-2);transform:translateY(-1px)}.zb--secondary{color:var(--ink);border-color:var(--line);background:#fff}.zb--secondary:hover:not(:disabled){border-color:var(--primary);color:var(--primary-ink)}.zb--danger{color:var(--danger);border-color:color-mix(in oklab, var(--danger) 40%, var(--line));background:#fff}.zb--danger:hover:not(:disabled){background:var(--danger);color:#fff;border-color:var(--danger)}.sp-root{min-height:calc(100vh - var(--header-h));display:flex}.sp-root *{box-sizing:border-box}.sp-root button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}.sp-root a{color:inherit;text-decoration:none}.sp-root :focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}.sp-sidebar{border-inline-start:1px solid var(--line);width:180px;top:var(--header-h);height:calc(100vh - var(--header-h));background:#f3ecdd;flex-shrink:0;align-self:flex-start;padding:24px 0;position:sticky;overflow-y:auto}.sp-side-label{letter-spacing:2px;color:var(--ink-2);font-size:12px;font-family:var(--font-mono);text-transform:uppercase;padding:0 20px 10px}.sp-side-tabs{border-bottom:1px solid var(--line);gap:6px;margin-bottom:12px;padding:0 16px 14px;display:flex}.sp-side-tab{font-family:var(--font-ar);color:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-pill,999px);cursor:pointer;background:#fff;flex:1;padding:6px 8px;font-size:13px;transition:background .15s,color .15s,border-color .15s}.sp-side-tab:hover{color:var(--primary-ink);border-color:color-mix(in oklab, var(--primary) 35%, var(--line))}.sp-side-tab.is-active{background:var(--primary);color:#f4ead2;border-color:var(--primary-ink);font-weight:700}.sp-side-item{color:var(--ink);cursor:pointer;border-inline-end:4px solid #0000;justify-content:space-between;align-items:center;gap:10px;margin-block:2px;padding:12px 20px;font-size:20px;transition:background .15s,border-color .15s;display:flex}.sp-side-item:hover{background:#c8a95114}.sp-side-item.is-active{color:var(--primary-ink);box-shadow:var(--shadow-1);background:#fff;font-weight:700}.sp-side-item .sp-count{font-family:var(--font-mono);color:var(--ink-2);font-size:12px}.sp-main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:24px 48px 96px}.sp-crumb{font-family:var(--font-mono);color:var(--ink-2);align-items:center;gap:10px;margin-bottom:22px;font-size:13px;display:flex}.sp-crumb a:hover{color:var(--primary)}.sp-crumb .sp-sep{color:var(--gold)}.sp-crumb .sp-here{color:var(--primary-ink);font-weight:500}.sp-crumb-back{border:1px solid var(--line);font-family:var(--font-mono);color:var(--ink-2);background:#fff;border-radius:999px;align-items:center;gap:8px;min-height:44px;padding:10px 14px;font-size:13px;display:none}.sp-crumb-back:hover{color:var(--primary);border-color:var(--primary)}.sp-page-title{color:var(--primary-ink);letter-spacing:-.5px;align-items:center;gap:16px;margin:0 0 8px;font-size:44px;font-weight:700;line-height:1.1;display:flex}.sp-page-title .sp-dot{border-radius:50%;flex-shrink:0;width:14px;height:14px}.sp-page-sub{color:var(--ink-2);margin:0 0 32px;font-size:18px}.sp-book-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);border-top-width:4px;flex-direction:column;align-items:flex-start;gap:14px;padding:22px 28px;display:flex}.sp-book-card h3{color:var(--primary-ink);align-items:center;gap:10px;margin:0 0 14px;font-size:22px;display:flex}.sp-book-card h3:before{content:"";background:var(--gold);border-radius:2px;width:6px;height:22px}.sp-badges,.sp-book-docs{flex-wrap:wrap;gap:10px;display:flex}.sp-doc-chip{border:1px solid var(--line);background:#fff;border-radius:999px;align-items:center;gap:2px;padding:0 4px;transition:border-color .15s,box-shadow .15s,transform .15s;display:inline-flex}.sp-doc-chip:hover{border-color:color-mix(in oklab, var(--gold) 50%, var(--line));box-shadow:var(--shadow-1);transform:translateY(-1px)}.sp-doc-chip-link{color:var(--ink);align-items:center;gap:8px;padding:8px 12px 8px 14px;font-size:15px;font-weight:700;transition:color .15s;display:inline-flex}.sp-doc-chip-link:hover{color:var(--primary-ink)}.sp-doc-chip-title{white-space:nowrap}.sp-doc-chip-size{font-family:var(--font-mono);color:var(--ink-2);white-space:nowrap;font-size:11px;font-weight:500}.sp-doc-chip-x{width:24px;height:24px;color:var(--ink-2);opacity:.4;border-radius:50%;justify-content:center;align-items:center;font-size:18px;line-height:1;transition:opacity .15s,color .15s,background .15s;display:inline-flex}.sp-doc-chip:hover .sp-doc-chip-x{opacity:.75}.sp-doc-chip-x:hover{opacity:1;color:#fff;background:var(--danger)}.sp-badge-gold{background:var(--gold-wash);border:1px solid color-mix(in oklab, var(--gold) 45%, white);color:var(--gold-ink);cursor:pointer;border-radius:999px;align-items:center;gap:8px;padding:8px 14px;font-size:15px;font-weight:700;transition:transform .15s,box-shadow .15s;display:inline-flex}.sp-badge-gold:hover{box-shadow:var(--shadow-1);transform:translateY(-2px)}.sp-badge-gold .sp-icn{opacity:.9;font-size:13px}.sp-btn{border-radius:var(--r-md);cursor:pointer;align-items:center;gap:10px;padding:12px 20px;font-size:16px;font-weight:700;transition:transform .15s,box-shadow .15s,background .15s;display:inline-flex}.sp-btn-primary{background:var(--primary);color:#f4ead2;box-shadow:var(--shadow-1)}.sp-btn-primary:hover{box-shadow:var(--shadow-2);background:var(--primary-ink);transform:translateY(-2px)}.sp-btn .sp-size{font-family:var(--font-mono);opacity:.8;font-size:12px;font-weight:500}.sp-ornament{color:var(--gold);letter-spacing:10px;-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;gap:18px;margin:44px 0 28px;font-size:22px;display:flex}.sp-ornament:before,.sp-ornament:after{content:"";background:linear-gradient(to left, transparent, var(--gold), transparent);flex:1;max-width:140px;height:1px}.sp-sec-title{justify-content:space-between;align-items:baseline;margin:0 0 22px;display:flex}.sp-sec-title h2{color:var(--primary-ink);align-items:center;gap:14px;margin:0;font-size:28px;font-weight:700;display:flex}.sp-sec-title .sp-pill{font-family:var(--font-mono);background:var(--primary-wash);color:var(--primary-ink);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:500}.sp-stack{flex-direction:column;gap:16px;display:flex}.sp-lecture{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);padding:24px 28px 22px;transition:transform .15s,box-shadow .15s,border-color .15s;position:relative}.sp-lecture:hover{box-shadow:var(--shadow-2);border-color:color-mix(in oklab, var(--gold) 40%, var(--line));transform:translateY(-2px)}.sp-lecture .sp-summary-actions{top:16px;z-index:1;align-items:center;gap:6px;display:inline-flex;position:absolute;inset-inline-start:24px}.sp-lecture .sp-summary-badge{background:var(--gold-wash);color:var(--gold-ink);border:1px solid color-mix(in oklab, var(--gold) 40%, white);font-size:12px;font-weight:700;font-family:var(--font-mono);letter-spacing:.5px;cursor:pointer;border-radius:999px;align-items:center;gap:6px;padding:5px 12px;transition:background .15s,color .15s,border-color .15s,transform .15s,box-shadow .15s;display:inline-flex}.sp-lecture .sp-summary-badge.sp-summary-add{color:var(--ink-2);border-style:dashed;border-color:var(--line);background:#fff}.sp-lecture .sp-summary-badge.sp-summary-add:before{background:var(--ink-2)}.sp-lecture .sp-summary-badge.sp-summary-add:hover{background:var(--primary-wash);color:var(--primary-ink);border-color:var(--primary);border-style:solid}.sp-lecture .sp-summary-badge.sp-summary-add:hover:before{background:var(--primary)}.sp-lecture .sp-summary-badge:hover{background:var(--gold);color:#fff;border-color:var(--gold);box-shadow:var(--shadow-1);transform:translateY(-1px)}.sp-lecture .sp-summary-badge:before{content:"";background:var(--gold);border-radius:50%;width:6px;height:6px;transition:background .15s}.sp-lecture .sp-summary-badge:hover:before{background:#fff}.sp-lecture .sp-summary-badge.sp-summary-badge-active{background:var(--primary);color:#f4ead2;border-color:var(--primary-ink)}.sp-lecture .sp-summary-badge.sp-summary-badge-active:before{background:#f4ead2}.sp-summary-content{background:var(--primary-wash);border:1px solid color-mix(in oklab, var(--primary) 25%, var(--line));border-radius:var(--r-md);color:var(--ink);margin-top:18px;padding:20px 24px;font-size:16px;line-height:1.9}.sp-summary-content h1,.sp-summary-content h2,.sp-summary-content h3,.sp-summary-content h4{color:var(--primary-ink);font-family:var(--font-ar);margin:16px 0 8px;font-weight:700}.sp-summary-content h1{font-size:1.4em}.sp-summary-content h2{font-size:1.2em}.sp-summary-content h3{font-size:1.1em}.sp-summary-content p{margin:8px 0}.sp-summary-content ul,.sp-summary-content ol{margin:8px 0;padding-inline-start:24px}.sp-summary-content li{margin:4px 0}.sp-summary-content strong{color:var(--primary-ink);font-weight:700}.sp-summary-content em{color:var(--gold-ink);font-style:normal;font-weight:700}.sp-summary-content a{color:var(--primary-ink);text-decoration:underline;-webkit-text-decoration-color:var(--gold);text-decoration-color:var(--gold)}.sp-summary-content a:hover{color:var(--primary)}.sp-summary-content blockquote{border-inline-start:3px solid var(--gold);background:var(--gold-wash);border-radius:0 var(--r-sm) var(--r-sm) 0;margin:12px 0;padding:8px 16px}.sp-summary-content code{font-family:var(--font-mono);border:1px solid var(--line);background:#fff;border-radius:4px;padding:2px 6px;font-size:.9em}.sp-summary-content table{border-collapse:collapse;width:100%;margin:12px 0}.sp-summary-content th{background:var(--primary);color:#f4ead2;text-align:start;padding:8px 12px;font-weight:700}.sp-summary-content td{border:1px solid var(--line);background:#fff;padding:8px 12px}.sp-lecture h4{color:var(--ink);margin:0 0 14px;padding-inline-start:140px;font-size:22px;font-weight:700}.sp-lecture h4 .sp-num{font-family:var(--font-mono);color:var(--ink-2);margin-inline-end:6px;font-size:13px;font-weight:500}.sp-lecture .sp-lecture-desc{color:var(--ink-2);background:0 0;border:none;margin:-6px 0 14px;padding:0;font-size:14px}.sp-lecture .sp-lecture-desc summary{cursor:pointer;font-family:var(--font-mono);color:var(--c,var(--primary));border:1px solid color-mix(in oklab, var(--c,var(--primary)) 25%, var(--line));background:color-mix(in oklab, var(--c,var(--primary)) 6%, #fff);border-radius:999px;align-items:center;gap:6px;padding:3px 10px;font-size:12px;list-style:none;transition:background .15s,border-color .15s;display:inline-flex}.sp-lecture .sp-lecture-desc summary:before{content:"▾";font-size:10px;transition:transform .15s}.sp-lecture .sp-lecture-desc[open] summary:before{transform:rotate(180deg)}.sp-lecture .sp-lecture-desc summary:hover{background:color-mix(in oklab, var(--c,var(--primary)) 12%, #fff);border-color:color-mix(in oklab, var(--c,var(--primary)) 50%, var(--line))}.sp-lecture .sp-lecture-desc p{border-inline-start:3px solid color-mix(in oklab, var(--c,var(--primary)) 50%, var(--line));background:color-mix(in oklab, var(--c,var(--primary)) 4%, #fff);color:var(--ink);border-radius:0 8px 8px 0;margin:10px 0 0;padding:10px 14px;font-size:15px;line-height:1.8}.sp-lecture .sp-delete{font-family:var(--font-mono);color:var(--ink-2);opacity:.75;border:1px solid var(--line);border-radius:6px;align-items:center;gap:4px;margin-inline-start:auto;padding:4px 10px;font-size:12px;transition:opacity .15s,color .15s,background .15s,border-color .15s;display:inline-flex}.sp-lecture .sp-delete:hover{opacity:1;color:var(--danger);border-color:var(--danger);background:#fbecea}.sp-player{border:1px solid var(--line-2);border-radius:var(--r-md);background:#fbf7ed;grid-template-columns:auto auto 1fr auto auto;grid-template-areas:"play timeL wave timeR speed";align-items:center;gap:18px;padding:18px 22px;display:grid}.sp-play-btn{background:var(--primary);color:#f4ead2;border-radius:50%;flex-shrink:0;grid-area:play;place-items:center;width:76px;height:76px;transition:transform .15s,box-shadow .15s,background .15s;display:grid;box-shadow:0 8px 20px #1a6b4e52}.sp-play-btn:hover{background:var(--primary-ink);transform:scale(1.06);box-shadow:0 10px 26px #1a6b4e73}.sp-play-btn:active{transform:scale(.98)}.sp-play-btn svg{fill:currentColor;width:34px;height:34px}.sp-time{font-family:var(--font-mono);color:var(--ink-2);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:13px}.sp-time.sp-current{color:var(--primary-ink);grid-area:timeL;font-size:14px;font-weight:600}.sp-time.sp-total{grid-area:timeR}.sp-wave{cursor:pointer;touch-action:none;grid-area:wave;align-items:center;gap:2px;min-width:0;height:48px;display:flex;position:relative;overflow:hidden}.sp-wave .sp-bar{background:color-mix(in oklab, var(--ink-2) 18%, var(--line-2));pointer-events:none;border-radius:2px;flex:1;min-width:2px;max-width:3px;transition:background .1s linear,transform .2s}.sp-wave .sp-bar.sp-played{background:color-mix(in oklab, var(--primary) 70%, var(--gold))}.sp-wave:hover .sp-bar{transform:scaleY(1.03)}.sp-wave .sp-cursor{background:var(--primary);pointer-events:none;opacity:0;border-radius:1px;width:2px;transition:opacity .15s;position:absolute;top:-2px;bottom:-2px;right:0;box-shadow:0 0 0 2px #1a6b4e26}.sp-wave:hover .sp-cursor,.sp-player.sp-playing .sp-wave .sp-cursor{opacity:1}.sp-speed{font-family:var(--font-mono);color:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-pill);letter-spacing:.3px;background:#fff;grid-area:speed;align-items:center;gap:2px;padding:3px;font-size:13px;display:inline-flex}.sp-speed .sp-s{border-radius:var(--r-pill);cursor:pointer;text-align:center;min-width:38px;padding:6px 12px;transition:background .15s,color .15s}.sp-speed .sp-s.sp-on{background:var(--primary);color:#f4ead2;font-weight:700;box-shadow:0 1px 3px #1a6b4e40}.sp-speed .sp-s:hover:not(.sp-on){color:var(--primary-ink);background:var(--primary-wash)}.sp-skip-row{justify-content:flex-start;gap:10px;margin-top:12px;padding-inline-start:82px;display:flex}.sp-skip{font-family:var(--font-mono);color:var(--ink-2);border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:12px;transition:color .15s,border-color .15s,transform .15s;display:inline-flex}.sp-skip:hover{color:var(--primary-ink);border-color:var(--primary);transform:translateY(-1px)}.sp-skip svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:13px;height:13px}.sp-meta-row{font-family:var(--font-mono);color:var(--ink-2);border-top:1px dashed var(--line);flex-wrap:wrap;align-items:center;gap:18px;margin-top:14px;padding-top:12px;font-size:12px;display:flex}.sp-meta-row .sp-k{color:var(--ink-2);opacity:.7;margin-inline-end:4px}.sp-meta-row span strong{color:var(--ink);font-weight:500}.sp-doc-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;display:grid}.sp-doc{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);direction:rtl;align-items:flex-start;gap:16px;padding:22px;transition:transform .15s,box-shadow .15s,border-color .15s;display:flex}.sp-doc:hover{box-shadow:var(--shadow-2);border-color:color-mix(in oklab, var(--gold) 40%, var(--line));transform:translateY(-2px)}.sp-doc .sp-ftype{width:56px;height:64px;font-family:var(--font-mono);color:#fff;letter-spacing:1px;border-radius:6px;flex-shrink:0;place-items:end center;padding-bottom:8px;font-size:11px;font-weight:700;display:grid;position:relative}.sp-doc .sp-ftype:before{content:"";top:0;background:linear-gradient(225deg,#ffffff59 50%,#0000 50%);border-end-start-radius:4px;width:16px;height:16px;position:absolute;inset-inline-end:0}.sp-doc .sp-ftype.sp-pdf{background:#a8432c}.sp-doc .sp-ftype.sp-doc-t{background:#2563eb}.sp-doc .sp-ftype.sp-other{background:#6b5c4e}.sp-doc .sp-info{flex:1;min-width:0}.sp-doc h4{color:var(--ink);margin:0 0 6px;font-size:19px;font-weight:700}.sp-doc .sp-filename{font-family:var(--font-mono);color:var(--ink-2);word-break:break-all;text-align:start;font-size:12px;line-height:1.5}.sp-doc .sp-filesize{font-family:var(--font-mono);color:var(--ink-2);margin-top:2px;font-size:12px}.sp-doc .sp-dl{background:var(--primary);color:#f4ead2;border-radius:8px;align-items:center;gap:8px;margin-top:12px;padding:8px 14px;font-size:14px;transition:transform .15s,background .15s;display:inline-flex}.sp-doc .sp-dl:hover{background:var(--primary-ink);transform:translateY(-2px)}.sp-doc .sp-dl svg{fill:none;stroke:currentColor;stroke-width:2.2px;stroke-linecap:round;stroke-linejoin:round;width:14px;height:14px}.sp-upload-hint{margin-top:var(--sp-16);padding:var(--sp-32) var(--sp-20);border:1.5px dashed var(--line);border-radius:var(--r-md);text-align:center;color:var(--ink-2);align-items:center;gap:var(--sp-8);cursor:pointer;-webkit-user-select:none;user-select:none;background:#fffdf8;flex-direction:column;transition:border-color .15s,background .15s,transform .15s,color .15s;display:flex}.sp-upload-hint:hover{border-color:var(--gold);background:var(--gold-wash);color:var(--gold-ink)}.sp-upload-hint.sp-drag-over{border-color:var(--primary);background:var(--primary-wash);color:var(--primary-ink);border-style:solid;transform:scale(1.01)}.sp-upload-icon{stroke:currentColor;opacity:.65;width:36px;height:36px}.sp-upload-hint:hover .sp-upload-icon,.sp-upload-hint.sp-drag-over .sp-upload-icon{opacity:1}.sp-upload-empty-title{font-family:var(--font-ar);color:var(--ink);font-size:16px;font-weight:700}.sp-upload-hint:hover .sp-upload-empty-title,.sp-upload-hint.sp-drag-over 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