:root{--bg:#f4f7fb;--panel:#fff;--text:#16213e;--muted:#6d7892;--line:#e5eaf2;--brand:#1664e8;--brand2:#0f4fb9;--green:#16a56a;--amber:#d88a14;--red:#d64a4a;--shadow:0 10px 30px #182a4e14;font-family:Arial,Segoe UI,Tahoma,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);min-height:100%;color:var(--text);margin:0}body{direction:rtl}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}.app{grid-template-columns:250px 1fr;min-height:100vh;display:grid}.sidebar{color:#fff;background:#101b36;height:100vh;padding:24px 18px;position:sticky;top:0}.brand{align-items:center;gap:10px;margin-bottom:30px;font-size:20px;font-weight:800;display:flex}.brand-badge{background:linear-gradient(135deg,#2b78ff,#7ca8ff);border-radius:12px;place-items:center;width:38px;height:38px;display:grid}.nav{flex-direction:column;gap:7px;display:flex}.nav a{color:#c9d4eb;border-radius:11px;align-items:center;gap:10px;padding:12px 14px;display:flex}.nav a:hover,.nav a.active{color:#fff;background:#1c2c52}.sidebar-footer{position:absolute;bottom:18px;left:18px;right:18px}.main{min-width:0}.topbar{border-bottom:1px solid var(--line);z-index:20;background:#fff;justify-content:space-between;align-items:center;height:72px;padding:0 28px;display:flex;position:sticky;top:0}.content{max-width:1600px;margin:auto;padding:28px}.page-title{margin:0 0 6px;font-size:28px}.page-sub{color:var(--muted);margin:0 0 24px}.grid{gap:18px;display:grid}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:20px}.metric{margin-top:10px;font-size:30px;font-weight:800}.muted{color:var(--muted)}.row{align-items:center;gap:12px;display:flex}.space{justify-content:space-between;align-items:center;gap:12px;display:flex}.btn{border:none;border-radius:10px;padding:10px 16px;font-weight:700}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand2)}.btn-soft{color:var(--brand);background:#edf3ff}.btn-danger{color:var(--red);background:#fff0f0}.input,.select,.textarea{background:#fff;border:1px solid #dbe2ee;border-radius:10px;outline:none;width:100%;padding:11px 12px}.input:focus,.select:focus,.textarea:focus{border-color:#76a5ff;box-shadow:0 0 0 3px #1664e817}.label{margin:0 0 7px;font-size:13px;font-weight:700;display:block}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.table-wrap{border:1px solid var(--line);background:#fff;border-radius:16px;overflow:auto}.table{border-collapse:collapse;width:100%;min-width:760px}.table th,.table td{text-align:right;border-bottom:1px solid var(--line);padding:14px 16px}.table th{color:var(--muted);background:#fbfcfe;font-size:13px}.badge{border-radius:999px;padding:5px 9px;font-size:12px;font-weight:700;display:inline-flex}.badge-green{color:#0b8c56;background:#e9f8f1}.badge-red{color:#c23d3d;background:#ffeded}.badge-amber{color:#a96e0d;background:#fff5df}.badge-blue{color:#1458ca;background:#edf3ff}.modal-backdrop{z-index:100;background:#0b152b73;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{background:#fff;border-radius:18px;width:min(620px,100%);max-height:90vh;padding:22px;overflow:auto;box-shadow:0 30px 80px #00000038}.login-page{background:radial-gradient(circle at 100% 0,#dbe9ff 0,#0000 35%),#f5f8fd;place-items:center;min-height:100vh;padding:20px;display:grid}.login-card{border:1px solid var(--line);background:#fff;border-radius:20px;width:min(440px,100%);padding:30px;box-shadow:0 24px 70px #16346324}.error{color:#b93636;background:#fff0f0;border:1px solid #ffd2d2;border-radius:10px;padding:10px 12px}.success{color:#087c4b;background:#ecfbf4;border:1px solid #c9f2dd;border-radius:10px;padding:10px 12px}.inbox{border:1px solid var(--line);background:#fff;border-radius:16px;grid-template-columns:340px 1fr 290px;height:calc(100vh - 128px);display:grid;overflow:hidden}.conv-list{border-left:1px solid var(--line);overflow:auto}.conv-item{border-bottom:1px solid var(--line);cursor:pointer;padding:15px}.conv-item:hover,.conv-item.active{background:#f3f7ff}.conv-name{font-weight:800}.conv-preview{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;margin-top:4px;font-size:13px;overflow:hidden}.chat{flex-direction:column;min-width:0;display:flex}.chat-head{border-bottom:1px solid var(--line);padding:14px 18px;font-weight:800}.messages{background:#f7f9fd;flex:1;padding:20px;overflow:auto}.bubble{white-space:pre-wrap;border-radius:13px;max-width:72%;margin-bottom:10px;padding:10px 13px}.bubble.in{border:1px solid var(--line);background:#fff;margin-left:auto}.bubble.out{background:#dfeaff;margin-right:auto}.message-time{color:var(--muted);margin-top:5px;font-size:10px}.composer{border-top:1px solid var(--line);gap:10px;padding:14px;display:flex}.customer-panel{border-right:1px solid var(--line);padding:18px;overflow:auto}.avatar{width:44px;height:44px;color:var(--brand);background:#e5edff;border-radius:50%;place-items:center;font-weight:800;display:grid}.empty{text-align:center;height:100%;color:var(--muted);place-items:center;padding:30px;display:grid}.section-title{margin:0 0 14px;font-size:17px;font-weight:800}.code{color:#d8e4ff;text-align:left;direction:ltr;background:#101827;border-radius:10px;padding:12px;font-family:monospace;font-size:12px;overflow:auto}.hr{background:var(--line);height:1px;margin:18px 0}.status-dot{background:#999;border-radius:50%;width:9px;height:9px;display:inline-block}.status-dot.on{background:var(--green)}@media (max-width:1100px){.grid-4{grid-template-columns:repeat(2,1fr)}.inbox{grid-template-columns:300px 1fr}.customer-panel{display:none}}@media (max-width:760px){.app{grid-template-columns:1fr}.sidebar{display:none}.content{padding:18px}.grid-4,.grid-3,.grid-2,.form-grid{grid-template-columns:1fr}.inbox{grid-template-columns:1fr;height:auto}.conv-list{border-left:0;border-bottom:1px solid var(--line);height:280px}.chat{height:600px}.topbar{padding:0 16px}}