/* حروف — shared look for every page */
:root{--bg:#0d0a1f;--bg2:#15112c;--card:#1b1638;--line:#ffffff1a;--line2:#ffffff2e;--txt:#ece8ff;--sub:#b3aad8;--hot:#ffb02e;--pri:#7a5cff;--ok:#2fd08a;--r:20px}
:root[data-theme="light"]{--bg:#f6f4ff;--bg2:#ffffff;--card:#ffffff;--line:#1a103014;--line2:#1a103028;--txt:#1a1030;--sub:#5d567a}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){--bg:#f6f4ff;--bg2:#ffffff;--card:#ffffff;--line:#1a103014;--line2:#1a103028;--txt:#1a1030;--sub:#5d567a}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--txt);font-family:"Tajawal",Tahoma,sans-serif;font-size:17px;line-height:1.75;overflow-x:hidden}
a{color:var(--hot)}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
header.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:18px;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:22px;color:var(--txt);text-decoration:none}
.brand i{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-style:normal;font-size:20px;color:#1a1030;background:linear-gradient(135deg,#ffd45b,#ff8a3d)}
nav.links{display:flex;gap:4px;margin-inline-start:auto;overflow-x:auto;scrollbar-width:none}
nav.links a{color:var(--sub);text-decoration:none;padding:6px 12px;border-radius:999px;font-size:15px;font-weight:700;white-space:nowrap}
nav.links a:hover,nav.links a[aria-current]{color:var(--txt);background:#7a5cff22}
h1{font-size:clamp(30px,5vw,46px);line-height:1.25;margin:34px 0 8px;font-weight:900}
h2{font-size:clamp(22px,3vw,28px);margin:40px 0 10px;font-weight:800}
h3{font-size:19px;margin:22px 0 6px}
.lead{color:var(--sub);font-size:18px;margin:0 0 22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px}
textarea,input[type=text]{width:100%;font:inherit;font-size:20px;color:var(--txt);background:var(--bg2);border:1.5px solid var(--line2);border-radius:14px;padding:12px 14px;outline:none}
textarea:focus,input[type=text]:focus{border-color:var(--pri)}
textarea{min-height:120px;resize:vertical}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;font:800 16px "Tajawal",Tahoma,sans-serif;padding:11px 20px;border-radius:12px;color:#fff;background:linear-gradient(180deg,#9a82ff,#6a4cf0)}
.btn.ghost{background:transparent;color:var(--txt);border:1.5px solid var(--line2)}
.btn.sm{padding:6px 12px;font-size:14px;border-radius:10px}
.btn:active{transform:translateY(1px)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.seg{display:inline-flex;gap:4px;padding:4px;border-radius:12px;background:var(--bg2);border:1px solid var(--line)}
.seg button{all:unset;cursor:pointer;padding:6px 14px;border-radius:9px;font-weight:700;font-size:15px;color:var(--sub)}
.seg button[aria-pressed="true"]{background:var(--pri);color:#fff}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.out{display:flex;align-items:center;gap:10px;justify-content:space-between;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px 12px;min-height:58px}
.out .t{font-size:22px;overflow-wrap:anywhere;flex:1;min-width:0}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);opacity:0;transition:.2s;background:var(--ok);color:#06231a;font-weight:800;padding:9px 18px;border-radius:999px;z-index:50}
.toast.on{opacity:1;transform:translateX(-50%)}
.ad{margin:26px 0;min-height:0}
.tools{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin:24px 0}
.tool{display:block;text-decoration:none;color:var(--txt);background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;transition:transform .2s,border-color .2s}
.tool:hover{transform:translateY(-3px);border-color:var(--hot)}
.tool b{display:block;font-size:22px;margin:8px 0 4px}
.tool span{color:var(--sub);font-size:15.5px}
.tool .ic{font-size:30px}
.prose{max-width:780px}
.prose p,.prose li{color:var(--sub)}
.prose b{color:var(--txt)}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 16px;margin:10px 0}
details summary{cursor:pointer;font-weight:800}
details p{color:var(--sub);margin:8px 0 0}
footer{margin-top:60px;border-top:1px solid var(--line);padding:26px 0 40px;color:var(--sub);font-size:15px}
footer .wrap{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between}
footer a{color:var(--sub)}
.muted{color:var(--sub)}
@media (max-width:640px){header.top .wrap{gap:10px}.brand{font-size:19px}nav.links a{padding:6px 8px;font-size:14px}}