:root{--a:#4f46e5;--b:#06b6d4;--bg:#f6f8ff;--ink:#0f172a}.app-nav{background:linear-gradient(135deg,var(--a),var(--b))}body{background:var(--bg);color:var(--ink)}.cardx{border:0;border-radius:22px;box-shadow:0 14px 35px rgba(15,23,42,.08);background:rgba(255,255,255,.9)}.stat{border-radius:22px;padding:22px;background:linear-gradient(135deg,#fff,#eef6ff);box-shadow:0 12px 25px rgba(15,23,42,.07)}.btn-brand{background:linear-gradient(135deg,var(--a),var(--b));border:0;color:white}.btn-brand:hover{color:white;filter:brightness(.95)}.table thead th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#475569}.form-control,.form-select{border-radius:12px}.badge{border-radius:999px;padding:.48rem .7rem}.ticket-thread{border-left:4px solid #dbeafe;padding-left:14px}.small-muted{font-size:12px;color:#64748b}.sidebar-card{position:sticky;top:15px}.hero{border-radius:26px;background:linear-gradient(135deg,#eef2ff,#ecfeff);padding:30px;box-shadow:0 18px 45px rgba(15,23,42,.08)}