/* راق AI — واجهة محادثة بطراز claude.ai بهوية Data RAQ */
:root{
  --bg:#F7F7FC; --side:#F0F0F8; --card:#FFFFFF; --line:#E4E5F0;
  --ink:#1A1B25; --mut:#6B7280; --soft:#EEEFF8;
  --pri:#4F46E5; --pri2:#7C3AED; --cyan:#06B6D4;
  --user-bub:#E9E9FB; --hover:#E7E8F4;
  --code-bg:#1E1B2E; --code-ink:#E2E1F0;
  --think-bg:#F2F2FA; --think-ink:#7A7B90;
}
html.dark{
  --bg:#17171F; --side:#111118; --card:#1F1F2A; --line:#2C2C3A;
  --ink:#ECECF4; --mut:#9CA0B0; --soft:#26263300;
  --user-bub:#2B2B44; --hover:#26263A;
  --code-bg:#101018; --code-ink:#D9D9EA;
  --think-bg:#20202E; --think-ink:#8B8CA0;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:'Tajawal',Tahoma,sans-serif;background:var(--bg);color:var(--ink);display:flex;flex-direction:row-reverse;overflow:hidden}
button{font-family:inherit;cursor:pointer}
/* ---------- الشريط الجانبي (على اليسار مثل كلود) ---------- */
.side{width:272px;background:var(--side);border-right:1px solid var(--line);display:flex;flex-direction:column;flex-shrink:0;transition:margin .25s}
.side-hd{padding:16px 16px 8px}
.brand{font-size:1.15rem;font-weight:800;display:flex;align-items:center;gap:8px}
.brand b{background:linear-gradient(135deg,var(--pri),var(--pri2));-webkit-background-clip:text;background-clip:text;color:transparent}
.star{font-size:1.05rem}
.new-chat{margin:10px 14px 6px;padding:10px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--card);color:var(--pri);font-weight:800;font-size:.92rem;text-align:right;transition:.15s}
.new-chat:hover{border-color:var(--pri);background:var(--hover)}
.side-search{margin:0 14px 6px;position:relative}
.side-search input{width:100%;padding:8px 32px 8px 12px;border:1.5px solid var(--line);border-radius:11px;background:var(--card);color:var(--ink);font-family:inherit;font-size:.84rem}
.side-search input:focus{outline:none;border-color:var(--pri)}
.side-search .si{position:absolute;inset-inline-end:11px;top:50%;transform:translateY(-50%);color:var(--mut);font-size:.85rem;pointer-events:none}
.convs{flex:1;overflow-y:auto;padding:6px 10px}
.convs-empty{color:var(--mut);font-size:.82rem;text-align:center;padding:28px 10px}
.cgroup{color:var(--mut);font-size:.72rem;font-weight:700;padding:12px 8px 4px}
.citem{display:flex;align-items:center;border-radius:10px;position:relative}
.citem>a{flex:1;padding:9px 10px;color:var(--ink);text-decoration:none;font-size:.88rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-radius:10px}
.citem:hover{background:var(--hover)}
.citem.on{background:var(--hover)}
.citem.on>a{font-weight:700}
.cmenu-btn{opacity:0;border:0;background:none;color:var(--mut);font-size:1rem;padding:4px 8px}
.citem:hover .cmenu-btn{opacity:1}
.cmenu{position:absolute;inset-inline-end:6px;top:34px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.15);z-index:30;overflow:hidden;min-width:130px}
.cmenu button{display:block;width:100%;padding:9px 14px;border:0;background:none;color:var(--ink);font-size:.85rem;text-align:right}
.cmenu button:hover{background:var(--hover)}
.cmenu button.del{color:#DC2626}
.side-ft{border-top:1px solid var(--line);padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.uchip{display:flex;align-items:center;gap:8px;min-width:0}
.uav{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;display:grid;place-items:center;font-weight:800;font-size:.85rem;flex-shrink:0}
.uname{font-size:.85rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-links{display:flex;gap:2px;align-items:center}
.side-links a,.side-links button{border:0;background:none;font-size:1rem;padding:6px;border-radius:8px;color:var(--mut);text-decoration:none}
.side-links a:hover,.side-links button:hover{background:var(--hover)}
.lo{color:#DC2626!important}
.burger{display:none;position:fixed;top:12px;left:12px;z-index:60;border:1px solid var(--line);background:var(--card);border-radius:10px;font-size:1.1rem;padding:6px 11px}
/* ---------- المنطقة الرئيسية ---------- */
.main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative}
.scroll{flex:1;overflow-y:auto;scroll-behavior:smooth}
.feed{max-width:760px;margin:0 auto;padding:28px 20px 10px;display:flex;flex-direction:column;gap:26px}
/* الترحيب */
.hero{max-width:680px;margin:0 auto;padding:14vh 20px 30px;text-align:center}
.hero-star{font-size:2.6rem;animation:heroPulse 3s ease-in-out infinite}
@keyframes heroPulse{50%{transform:scale(1.12) rotate(8deg)}}
.hero h1{font-size:1.9rem;font-weight:800;margin:14px 0 26px;background:linear-gradient(135deg,var(--pri),var(--pri2) 60%,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.chips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.chip{border:1.5px solid var(--line);background:var(--card);border-radius:14px;padding:10px 16px;font-size:.88rem;color:var(--ink);transition:.15s}
.chip:hover{border-color:var(--pri);transform:translateY(-2px);box-shadow:0 6px 18px -8px rgba(79,70,229,.4)}
/* ---------- الرسائل ---------- */
.msg{display:flex;gap:12px;animation:msgIn .3s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.msg.user{justify-content:flex-start}
.msg.user .mbody{background:var(--user-bub);border-radius:18px 4px 18px 18px;padding:12px 16px;max-width:82%;font-size:.97rem;line-height:1.8;white-space:pre-wrap;word-break:break-word}
.msg.user .mbody img{max-width:240px;border-radius:12px;display:block;margin-bottom:8px}
.msg.bot{flex-direction:column;gap:8px}
.bot-hd{display:flex;align-items:center;gap:8px;font-weight:800;font-size:.88rem}
.bot-hd .bav{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--pri),var(--pri2));display:grid;place-items:center;font-size:.75rem}
/* مؤشر البحث في الويب */
.searching{display:inline-flex;align-items:center;gap:8px;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:8px 14px;font-size:.86rem;color:var(--mut);font-weight:600}
.searching .sp{width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--pri);border-radius:50%;animation:spin .7s linear infinite}
.srcbox{border:1px solid var(--line);background:var(--soft);border-radius:12px;padding:8px 12px;margin:0 0 12px;font-size:.82rem}
.srcbox b{color:var(--pri)}
.srcbox a{display:inline-block;margin:2px 0;color:var(--ink);text-decoration:none;padding:2px 0}
.srcbox a:hover{color:var(--pri)}
/* زر تحميل PDF */
.pdfcard{display:flex;align-items:center;gap:12px;background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:12px 16px;margin:6px 0 12px;max-width:360px;transition:.15s;text-decoration:none;color:var(--ink)}
.pdfcard:hover{border-color:var(--pri);box-shadow:0 6px 18px -8px rgba(79,70,229,.35)}
.pdfcard .pi{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,#DC2626,#EA580C);display:grid;place-items:center;font-size:1.1rem;flex-shrink:0}
.pdfcard .pn{font-weight:700;font-size:.9rem;line-height:1.4}
.pdfcard .pm{color:var(--mut);font-size:.75rem}
/* أزرار أسفل رد المساعد */
.mact{display:flex;gap:2px;margin-top:2px;opacity:0;transition:.15s}
.msg.bot:hover .mact,.mact.show{opacity:1}
.mact button{border:0;background:none;color:var(--mut);font-size:.82rem;padding:5px 10px;border-radius:8px;display:flex;align-items:center;gap:5px}
.mact button:hover{background:var(--hover);color:var(--ink)}
.mtext{font-size:.98rem;line-height:1.95;word-break:break-word}
.mtext p{margin:0 0 12px}
.mtext p:last-child{margin-bottom:0}
.mtext h1,.mtext h2,.mtext h3{margin:18px 0 10px;line-height:1.5}
.mtext h1{font-size:1.25rem}.mtext h2{font-size:1.12rem}.mtext h3{font-size:1.02rem}
.mtext ul,.mtext ol{margin:0 0 12px;padding-inline-start:24px}
.mtext li{margin-bottom:5px}
.mtext blockquote{border-inline-start:3px solid var(--pri);padding:4px 14px;color:var(--mut);margin:0 0 12px;background:var(--soft);border-radius:8px}
.mtext a{color:var(--pri)}
.mtext code{background:var(--soft);border:1px solid var(--line);padding:1px 7px;border-radius:6px;font-family:'JetBrains Mono',monospace;font-size:.84em;direction:ltr;unicode-bidi:embed}
.codeblk{background:var(--code-bg);border-radius:14px;margin:0 0 14px;overflow:hidden;direction:ltr;text-align:left}
.codeblk .cb-hd{display:flex;justify-content:space-between;align-items:center;padding:7px 14px;background:rgba(255,255,255,.06);color:#A5A6C0;font-size:.75rem;font-family:'JetBrains Mono',monospace}
.cb-copy{border:0;background:none;color:#A5A6C0;font-size:.75rem;font-family:inherit}
.cb-copy:hover{color:#fff}
.codeblk pre{padding:14px 16px;overflow-x:auto;margin:0}
.codeblk code{background:none;border:0;padding:0;color:var(--code-ink);font-family:'JetBrains Mono',monospace;font-size:.83rem;line-height:1.7}
/* التفكير — زي كلود بالضبط */
.think{border:1px solid var(--line);background:var(--think-bg);border-radius:14px;overflow:hidden;font-size:.86rem}
.think summary{list-style:none;padding:9px 14px;color:var(--think-ink);font-weight:700;cursor:pointer;display:flex;align-items:center;gap:8px;user-select:none}
.think summary::-webkit-details-marker{display:none}
.think summary:hover{background:var(--hover)}
.think summary .tstar{display:inline-block}
.think summary .tchev{margin-inline-start:auto;font-size:.7rem;transition:transform .2s;color:var(--mut)}
.think[open] summary .tchev{transform:rotate(180deg)}
.think.live summary .tstar{animation:spin 1.4s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.think.live summary{background:linear-gradient(90deg,var(--think-ink),var(--pri),var(--think-ink));background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shimmer 1.8s linear infinite}
@keyframes shimmer{to{background-position:-200% 0}}
.tbody{padding:4px 16px 14px;color:var(--think-ink);line-height:1.85;white-space:pre-wrap;max-height:260px;overflow-y:auto}
/* مؤشر الكتابة */
.typing{display:inline-flex;gap:5px;padding:6px 2px}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--pri);animation:tp 1s infinite}
.typing i:nth-child(2){animation-delay:.16s;background:var(--pri2)}
.typing i:nth-child(3){animation-delay:.32s;background:var(--cyan)}
@keyframes tp{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}
.mfail{color:#DC2626;background:#FEE2E2;border-radius:10px;padding:10px 14px;font-size:.88rem;font-weight:600}
html.dark .mfail{background:#3A1D1D}
/* ---------- الملحن ---------- */
.comp-wrap{padding:8px 20px 14px;background:linear-gradient(transparent,var(--bg) 30%)}
.composer{max-width:760px;margin:0 auto;background:var(--card);border:1.5px solid var(--line);border-radius:22px;padding:12px 14px 10px;box-shadow:0 8px 30px -12px rgba(30,27,75,.18);transition:border-color .2s}
.composer:focus-within{border-color:var(--pri)}
.composer textarea{width:100%;border:0;background:none;resize:none;font-family:inherit;font-size:1rem;color:var(--ink);line-height:1.7;max-height:200px;outline:none}
.comp-row{display:flex;align-items:center;justify-content:space-between;margin-top:6px}
.comp-tools{display:flex;align-items:center;gap:6px}
.ctool{border:0;background:none;font-size:1.05rem;padding:7px 9px;border-radius:10px;color:var(--mut);position:relative}
.ctool:hover{background:var(--hover)}
.ctool.on{background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff}
.ctool.on:hover{filter:brightness(1.08)}
.model-pick{position:relative}
.mp-btn{border:0;background:none;color:var(--mut);font-size:.85rem;font-weight:700;padding:7px 10px;border-radius:10px;display:flex;align-items:center;gap:5px}
.mp-btn:hover{background:var(--hover)}
.mp-btn i{font-style:normal;font-size:.7rem}
.mp-menu{position:absolute;bottom:40px;inset-inline-start:0;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 14px 40px rgba(0,0,0,.18);min-width:230px;padding:6px;z-index:40}
.mp-item{display:block;width:100%;text-align:right;border:0;background:none;padding:10px 12px;border-radius:11px;color:var(--ink)}
.mp-item:hover{background:var(--hover)}
.mp-item b{display:block;font-size:.9rem}
.mp-item span{display:block;color:var(--mut);font-size:.76rem;margin-top:2px}
.mp-item.on{background:var(--soft)}
.mp-item.on b{color:var(--pri)}
.send{width:38px;height:38px;border:0;border-radius:12px;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;font-size:1.15rem;font-weight:800;transition:.15s;display:grid;place-items:center}
.send:hover{filter:brightness(1.1)}
.send:disabled{opacity:.35;cursor:default}
.send.stop{background:#DC2626;font-size:.8rem}
.prev{display:flex;align-items:center;gap:10px;background:var(--soft);border-radius:12px;padding:6px 10px;margin-bottom:8px;width:fit-content}
.prev img{height:44px;border-radius:8px}
.prev button{border:0;background:none;color:#DC2626;font-size:1rem}
.comp-note{max-width:760px;margin:8px auto 0;text-align:center;color:var(--mut);font-size:.72rem}
.comp-note b{color:var(--pri)}
/* ---------- جوال ---------- */
@media(max-width:860px){
  .burger{display:block}
  .side{position:fixed;inset-block:0;left:0;right:auto;z-index:50;margin-left:-280px;box-shadow:none}
  body.side-open .side{margin-left:0;box-shadow:0 0 60px rgba(0,0,0,.35)}
  .comp-wrap,.feed{padding-top:8px}
  .hero{padding-top:9vh}
  .hero h1{font-size:1.45rem}
  .main{padding-top:44px}
}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:var(--mut)}

/* ===== مرفقات الملحّن (صور + مستندات) ===== */
.attachs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.attach{position:relative;display:flex;align-items:center;gap:7px;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:6px 10px;max-width:220px}
.attach img{height:40px;width:40px;object-fit:cover;border-radius:8px}
.attach .ai-file{font-size:1.2rem}
.attach .ai-nm{font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:130px}
.attach .ai-x{position:absolute;top:-7px;inset-inline-start:-7px;width:20px;height:20px;border-radius:50%;background:var(--err);color:#fff;border:0;font-size:.7rem;line-height:1;display:grid;place-items:center}
.composer.drag{border-color:var(--pri);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
.ctool.rec{background:#FEE2E2;color:#DC2626;animation:micpulse 1s infinite}
html.dark .ctool.rec{background:#3A1D1D}
@keyframes micpulse{50%{box-shadow:0 0 0 6px rgba(220,38,38,.18)}}
/* مرفقات داخل رسالة المستخدم */
.ubatts{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.ubatts img{max-width:160px;max-height:160px;border-radius:10px;display:block}
.udoc{display:inline-flex;align-items:center;gap:4px;background:rgba(255,255,255,.5);border:1px solid var(--line);border-radius:9px;padding:4px 10px;font-size:.8rem}
html.dark .udoc{background:rgba(0,0,0,.2)}
/* زر تعديل رسالة المستخدم */
.msg.user{position:relative}
.u-edit{position:absolute;top:2px;inset-inline-end:-4px;transform:translateX(0);opacity:0;border:0;background:var(--card);border:1px solid var(--line);border-radius:8px;font-size:.72rem;padding:3px 7px;cursor:pointer;transition:.15s}
.msg.user:hover .u-edit{opacity:1}
.u-edit:hover{border-color:var(--pri)}
/* زر معاينة في رأس بلوك الكود */
.cb-prev{border:0;background:none;color:#A5A6C0;font-size:.75rem;font-family:inherit;margin-inline-end:10px}
.cb-prev:hover{color:#fff}
.codeblk.is-artifact{box-shadow:0 0 0 1px rgba(124,58,237,.35)}
/* ===== لوحة Artifacts ===== */
.art-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.35);z-index:70;backdrop-filter:blur(1px)}
.artifact{position:fixed;top:0;bottom:0;inset-inline-end:0;width:min(50vw,720px);background:var(--card);border-inline-start:1px solid var(--line);z-index:71;display:flex;flex-direction:column;box-shadow:-8px 0 40px rgba(15,23,42,.2);animation:artIn .25s ease}
@keyframes artIn{from{transform:translateX(30px);opacity:.4}to{transform:none;opacity:1}}
.art-hd{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.art-title{font-weight:800;font-size:.95rem;flex-shrink:0}
.art-tabs{display:flex;gap:4px;background:var(--soft);border-radius:10px;padding:3px}
.art-tab{border:0;background:none;color:var(--mut);font-size:.82rem;font-weight:700;padding:6px 12px;border-radius:8px}
.art-tab.on{background:var(--card);color:var(--pri);box-shadow:0 1px 4px rgba(0,0,0,.08)}
.art-actions{margin-inline-start:auto;display:flex;gap:2px}
.art-actions button{border:0;background:none;font-size:1rem;padding:7px;border-radius:8px;color:var(--mut)}
.art-actions button:hover{background:var(--hover);color:var(--ink)}
.art-body{flex:1;position:relative;overflow:hidden}
.art-frame{width:100%;height:100%;border:0;background:#fff}
.art-code{position:absolute;inset:0;overflow:auto;background:var(--code-bg)}
.art-code pre{margin:0;padding:16px}
.art-code code{font-family:'JetBrains Mono',monospace;font-size:.82rem;color:var(--code-ink);white-space:pre;direction:ltr;text-align:left;display:block}
@media(max-width:860px){ .artifact{width:100vw} }