:root{--shark-blue:#0047ab;--shark-light-blue:#00d4ff;--shark-black:#020617;--shark-white:#f8fafc;--text-muted:#94a3b8;--shark-red:#ff4d4d;--shark-yellow:#fc0;--shark-green:#0f8}.login-body{background:radial-gradient(circle at center, #001e4d 0%, var(--shark-black) 100%);justify-content:center;align-items:center;min-height:100vh;margin:0;font-family:Segoe UI,sans-serif;display:flex}.login-card{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:var(--shark-white);text-align:center;background:#0f172ad9;border:1px solid #00d4ff4d;border-radius:24px;width:100%;max-width:450px;padding:40px;box-shadow:0 0 50px #00d4ff33}.brand-logo{filter:drop-shadow(0 0 8px #00d4ff99);width:300px;height:auto;margin-bottom:10px}.form-floating>.form-control{color:#fff!important;background-color:#020617cc!important;border:1px solid #1e293b!important;border-radius:12px!important;height:58px!important}.btn-login{background:var(--shark-blue);border:1px solid var(--shark-light-blue);color:#fff;text-transform:uppercase;letter-spacing:1.5px;cursor:pointer;border-radius:12px;width:100%;padding:14px;font-weight:800;transition:all .3s}.btn-login:hover{background:var(--shark-white);color:var(--shark-blue);transform:translateY(-3px)}.btn-toggle-reg{border:1px dashed var(--text-muted);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:12px;width:100%;margin-top:10px;padding:12px;font-size:.85rem;font-weight:700;text-decoration:none;transition:all .3s;display:block}.btn-toggle-reg:hover{border-color:var(--shark-light-blue);color:var(--shark-light-blue)}.forgot-link{color:var(--text-muted);cursor:pointer;font-size:.75rem;font-weight:600;text-decoration:none;transition:all .3s}.forgot-link:hover{color:var(--shark-light-blue)}.form-floating label{color:var(--text-muted)!important}.invalid-msg{color:var(--shark-red)!important;text-align:left!important;margin:5px 0 10px 10px!important;font-size:.75rem!important;font-weight:700!important;display:block!important}.is-invalid-shark{border-color:var(--shark-red)!important;box-shadow:0 0 10px #ff4d4d4d!important}.section-title{color:var(--shark-light-blue);letter-spacing:1.5px;text-align:left;text-transform:uppercase;margin:20px 0 10px 5px;font-size:.75rem;font-weight:800}.is-invalid-shark~label{color:var(--shark-red)!important}