:root{--brand-1:#6366f1;--brand-2:#8b5cf6;--brand-gradient:linear-gradient(135deg,var(--brand-1),var(--brand-2));--surface-muted:#f6f7fb;--ink-muted:#94a3b8}body{background:radial-gradient(1100px 600px at 15% -10%,rgba(99,102,241,.35),transparent 60%),radial-gradient(900px 500px at 110% 10%,rgba(139,92,246,.3),transparent 55%),#eef0f6;background-attachment:fixed;font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif}.app-shell,body{min-height:100vh}.app-shell{display:flex;justify-content:center;padding:2rem 1rem}.app-container{max-width:720px;width:100%}.min-w-0{min-width:0}.brand-badge{align-items:center;background:var(--brand-gradient);border-radius:18px;box-shadow:0 8px 20px rgba(99,102,241,.35);display:flex;font-size:1.6rem;height:56px;justify-content:center;width:56px}.brand-badge-sm{border-radius:12px;box-shadow:none;font-size:1.15rem;height:40px;width:40px}.btn-brand{background:var(--brand-gradient);border:0;color:#fff;font-weight:600}.btn-brand:active,.btn-brand:focus,.btn-brand:hover{color:#fff;filter:brightness(1.07)}.form-control:focus,.form-select:focus{border-color:var(--brand-1);box-shadow:0 0 0 .25rem rgba(99,102,241,.15)}.login-wrap{align-items:center;display:flex;justify-content:center;min-height:calc(100vh - 4rem)}.login-card{max-width:420px;width:100%}.chat-header{background:var(--brand-gradient);color:#fff}.chat-header-sub{color:hsla(0,0%,100%,.8)}.chat-header .btn-outline-light{--bs-btn-border-color:hsla(0,0%,100%,.5)}.purge-pill{background:hsla(0,0%,100%,.18);border:1px solid hsla(0,0%,100%,.35);border-radius:999px;font-size:.8rem;font-variant-numeric:tabular-nums;font-weight:600;padding:.25rem .7rem;white-space:nowrap}.purge-pill-urgent{animation:purge-pulse 1s ease-in-out infinite;background:rgba(220,53,69,.85);border-color:hsla(0,0%,100%,.5)}@keyframes purge-pulse{50%{opacity:.6}}.chat-messages{background:var(--surface-muted);display:flex;flex-direction:column;gap:.75rem;height:min(52vh,460px);overflow-y:auto;scroll-behavior:smooth}.chat-messages::-webkit-scrollbar{width:8px}.chat-messages::-webkit-scrollbar-thumb{background:rgba(99,102,241,.25);border-radius:999px}.msg-row{align-items:flex-end;align-self:flex-start;display:flex;gap:.6rem;max-width:82%}.msg-row.msg-own{align-self:flex-end}.avatar{align-items:center;background:var(--brand-gradient);border-radius:50%;box-shadow:0 2px 6px rgba(99,102,241,.35);color:#fff;display:flex;flex:0 0 auto;font-size:.9rem;font-weight:600;height:34px;justify-content:center;width:34px}.msg-bubble{background:#fff;border-radius:1rem;border-bottom-left-radius:.3rem;box-shadow:0 1px 2px rgba(15,23,42,.08);padding:.5rem .85rem}.msg-own .msg-bubble{background:var(--brand-gradient);border-radius:1rem;border-bottom-right-radius:.3rem;color:#fff}.msg-sender{color:var(--brand-1);font-size:.72rem;font-weight:700;margin-bottom:.1rem}.msg-text{line-height:1.35;word-break:break-word}.msg-time{color:var(--ink-muted);font-size:.68rem;margin-top:.15rem;text-align:right}.msg-own .msg-time{color:hsla(0,0%,100%,.75)}.msg-system{align-self:center;max-width:90%;text-align:center}.msg-system-pill{background:rgba(99,102,241,.1);border:1px dashed rgba(99,102,241,.35);border-radius:999px;color:#4f46e5;display:inline-block;font-size:.78rem;font-weight:500;padding:.25rem .8rem}.chat-empty{margin:auto}.chat-empty-icon{font-size:2.2rem;opacity:.6}.chat-composer{background:#fff;border-top:1px solid #eef0f4}.chat-composer .txtMessage{border-bottom-left-radius:999px;border-top-left-radius:999px;padding-left:1.1rem}.chat-composer .btnSend{border-bottom-right-radius:999px;border-top-right-radius:999px}.asset-badge{background:#eef2ff;color:#4338ca;font-weight:600}