:root{
  --bg:#f7f7f8;
  --panel:#ffffff;
  --panel-soft:#f1f1f3;
  --text:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --accent:#10a37f;
  --accent-dark:#0e8f70;
  --danger:#dc2626;
  --ok:#059669;
  --shadow:0 18px 55px rgba(17,24,39,.08);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Tajawal",system-ui,-apple-system,"Segoe UI",sans-serif;overflow:hidden}
button,textarea{font-family:inherit}
.app-shell{height:100dvh;display:grid;grid-template-rows:auto 1fr auto;max-width:1160px;margin:0 auto;background:var(--panel);border-inline:1px solid rgba(229,231,235,.75)}
.topbar{height:66px;padding:10px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(255,255,255,.92);backdrop-filter:blur(18px);position:relative;z-index:10}
.brand{display:flex;align-items:center;gap:11px;min-width:0}.brand img{width:40px;height:40px;border-radius:13px}.brand strong{display:block;font-size:17px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand small{display:block;color:var(--muted);font-size:12px;margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ghost{border:1px solid var(--line);background:#fff;color:var(--text);padding:9px 13px;border-radius:13px;font-size:14px;cursor:pointer;transition:.18s}.ghost:hover{background:#f9fafb}.ghost.danger{color:var(--danger)}
.chat{overflow:auto;overscroll-behavior:contain;padding:24px 18px 148px;scroll-behavior:smooth;background:linear-gradient(180deg,#fff 0%,#fafafa 100%)}
.hero{min-height:58vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;max-width:660px;margin:auto}.hero-icon{width:68px;height:68px;border-radius:22px;background:var(--text);color:#fff;display:grid;place-items:center;font-size:31px;box-shadow:var(--shadow)}.hero h1{font-size:clamp(27px,5vw,42px);margin:20px 0 8px;letter-spacing:-.02em}.hero p{color:var(--muted);font-size:16px;line-height:1.95;max-width:590px;margin:0}.chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:18px}.chips span{border:1px solid var(--line);background:#fff;color:#4b5563;padding:7px 11px;border-radius:999px;font-size:12px;box-shadow:0 5px 18px rgba(17,24,39,.04)}
.msg{max-width:860px;margin:0 auto 18px;display:flex;gap:12px;align-items:flex-start}.msg.user{flex-direction:row-reverse}.avatar{width:34px;height:34px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;background:#111827;color:#fff;font-size:13px;font-weight:800}.msg.user .avatar{background:var(--accent)}.bubble{max-width:min(78%,730px);padding:13px 16px;border-radius:18px;background:#fff;border:1px solid var(--line);line-height:1.8;white-space:pre-wrap;word-break:break-word;box-shadow:0 8px 24px rgba(17,24,39,.045)}.user .bubble{background:#f3f4f6;border-color:#edf0f3}.files-out{display:grid;gap:9px;margin-top:12px}.file-card{display:flex;align-items:center;gap:11px;padding:11px;border-radius:14px;border:1px solid var(--line);background:#fafafa;text-decoration:none;color:var(--text);transition:.18s}.file-card:hover{border-color:#cfd4dc;background:#fff;transform:translateY(-1px)}.file-card .ico{width:39px;height:39px;border-radius:12px;background:#eef2f7;display:grid;place-items:center}.file-card .meta{min-width:0;flex:1}.file-card b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-card small{color:var(--muted)}.file-card .dl{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800}
.composer-wrap{position:relative;padding:12px 18px max(14px,env(safe-area-inset-bottom));background:linear-gradient(to top,#fff 78%,rgba(255,255,255,0));z-index:20}.composer{max-width:860px;margin:auto;display:flex;align-items:flex-end;gap:8px;border:1px solid #d7dce2;background:#fff;border-radius:24px;padding:9px;box-shadow:0 12px 42px rgba(17,24,39,.10)}.composer textarea{flex:1;resize:none;max-height:175px;border:0;outline:0;background:transparent;color:var(--text);font-size:16px;padding:10px 5px;line-height:1.55}.composer textarea::placeholder{color:#9ca3af}.attach,.send{width:43px;height:43px;border:0;border-radius:15px;cursor:pointer;font-size:24px;display:grid;place-items:center;transition:.18s}.attach{background:#f3f4f6;color:#374151}.attach:hover{background:#e5e7eb}.send{background:var(--accent);color:white;font-weight:800}.send:hover{background:var(--accent-dark)}.send:disabled,.attach:disabled{opacity:.45;cursor:not-allowed}.footnote{text-align:center;color:#8a94a3;font-size:11px;margin-top:8px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap}.pending-files{max-width:860px;margin:0 auto 9px;display:flex;gap:8px;overflow:auto;padding-bottom:1px}.pending{flex:0 0 auto;display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:#fff;border-radius:14px;padding:8px 10px;font-size:12px;max-width:250px;box-shadow:0 6px 18px rgba(17,24,39,.04)}.file-type{min-width:44px;padding:4px 6px;border-radius:9px;text-align:center;font-size:9px;font-weight:800;background:#e8f7f3;color:#08785f}.pending-meta{min-width:0;display:flex;flex-direction:column;flex:1}.pending-meta b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.pending-meta small{font-size:10px;color:var(--muted)}.pending button{border:0;background:transparent;color:var(--danger);cursor:pointer;font-size:18px}
.progress-card{max-width:860px;margin:0 auto 10px;padding:13px 14px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 36px rgba(17,24,39,.08)}.hidden{display:none!important}.progress-head{display:flex;justify-content:space-between;gap:10px;font-size:14px}.progress-head strong{font-weight:800}.progress-head span{color:var(--accent);font-weight:800}.bar{height:8px;border-radius:999px;background:#edf0f3;margin:10px 0;overflow:hidden}.bar i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),#34d399);transition:width .25s linear}.steps{display:flex;gap:8px;overflow:auto;padding-bottom:1px}.steps span{font-size:11px;color:#9ca3af;white-space:nowrap;border:1px solid transparent;padding:3px 6px;border-radius:999px}.steps span.done{color:var(--ok);background:#ecfdf5}.steps span.active{color:#111827;background:#f3f4f6;border-color:#e5e7eb}.stage-note{font-size:11px;color:#6b7280;margin-top:8px;line-height:1.6}.toast{position:fixed;left:50%;bottom:108px;transform:translate(-50%,20px);background:#111827;color:#fff;padding:10px 14px;border-radius:12px;opacity:0;pointer-events:none;transition:.25s;z-index:50;box-shadow:var(--shadow);font-size:13px;max-width:min(92vw,620px);text-align:center}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:700px){.app-shell{max-width:none;border:0}.topbar{height:62px;padding:8px 12px}.brand img{width:37px;height:37px}.brand strong{font-size:15px}.brand small{font-size:10px;max-width:220px}.ghost span{display:none}.chat{padding:18px 12px 156px}.hero{min-height:56vh}.hero p{font-size:14px}.bubble{max-width:88%;font-size:14px;padding:12px 14px}.composer-wrap{padding-left:10px;padding-right:10px}.composer{border-radius:22px;padding:7px}.attach,.send{width:40px;height:40px;border-radius:14px}.footnote{font-size:10px;gap:6px 10px}.progress-card{padding:11px}.steps{gap:5px}.steps span{font-size:10px}.stage-note{font-size:10px}.pending{max-width:220px}}
@media(min-width:900px){.chat::-webkit-scrollbar,.pending-files::-webkit-scrollbar,.steps::-webkit-scrollbar{height:8px;width:8px}.chat::-webkit-scrollbar-thumb,.pending-files::-webkit-scrollbar-thumb,.steps::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:99px}.composer-wrap{padding-bottom:20px}}
.field-panel{max-width:860px;margin:0 auto 10px;border:1px solid var(--line);background:#fff;border-radius:20px;box-shadow:0 12px 34px rgba(17,24,39,.08);padding:13px;overflow:hidden}
.field-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:10px}.field-head strong{display:block;font-size:14px;font-weight:800}.field-head small{display:block;color:var(--muted);font-size:12px;line-height:1.6;margin-top:2px}.field-head button{border:1px solid var(--line);background:#fafafa;border-radius:10px;padding:6px 10px;cursor:pointer;color:#6b7280;font-size:12px}.field-questions{display:flex;gap:7px;overflow:auto;margin-bottom:10px;padding-bottom:2px}.field-questions span{flex:0 0 auto;border:1px solid #dbe8e4;background:#f0fdf9;color:#0f766e;border-radius:999px;padding:5px 9px;font-size:11px;white-space:nowrap}.field-grid{display:grid;gap:8px;max-height:260px;overflow:auto;padding-inline-end:2px}.field-row{display:grid;grid-template-columns:auto minmax(0,1fr) minmax(150px,.9fr) auto;align-items:center;gap:8px;border:1px solid #edf0f3;background:#fafafa;border-radius:15px;padding:8px}.field-pick,.field-add,.primary-mini{border:0;border-radius:11px;cursor:pointer;font-weight:700;transition:.18s}.field-pick{background:#f3f4f6;color:#374151;padding:8px 10px}.field-pick:hover{background:#e5e7eb}.field-add,.primary-mini{background:var(--accent);color:#fff;padding:8px 12px}.field-add:hover,.primary-mini:hover{background:var(--accent-dark)}.field-info{min-width:0}.field-info b{display:block;font-size:12px;font-weight:800;color:#111827}.field-info span{display:block;font-size:12px;color:#374151;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;direction:auto;text-align:start}.field-info small{display:block;color:#9ca3af;font-size:10px;margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.field-row input{width:100%;border:1px solid #d8dee6;background:#fff;border-radius:12px;padding:9px 11px;outline:0;font-family:inherit;font-size:13px}.field-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(16,163,127,.12)}.field-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px}.field-actions small{color:var(--muted);font-size:11px}.quick-actions{display:flex;gap:7px;overflow:auto;margin-top:10px;padding-bottom:2px}.quick-actions button{flex:0 0 auto;border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 11px;cursor:pointer;color:#374151;font-size:12px}.quick-actions button:hover{border-color:#c8d0d8;background:#f9fafb}.empty-fields{border:1px dashed #d1d5db;background:#fafafa;border-radius:14px;padding:12px;color:#6b7280;font-size:12px;line-height:1.7}.field-skeleton{display:grid;gap:8px}.field-skeleton i{display:block;height:36px;border-radius:12px;background:linear-gradient(90deg,#f3f4f6,#fff,#f3f4f6);background-size:200% 100%;animation:fieldPulse 1.2s linear infinite}@keyframes fieldPulse{to{background-position:-200% 0}}
@media(max-width:700px){.field-panel{padding:11px;border-radius:18px}.field-row{grid-template-columns:1fr;gap:7px}.field-pick{display:none}.field-add,.field-row input{width:100%}.field-actions{align-items:stretch;flex-direction:column}.primary-mini{width:100%;padding:11px}.field-grid{max-height:320px}.field-questions span,.quick-actions button{font-size:10px}.field-head{align-items:center}.field-head small{font-size:11px}}