body.login-nexus,
        body.login-nexus *,
        body.login-nexus *::before,
        body.login-nexus *::after {
            box-sizing: border-box;
        }
        body.login-nexus {
            --bg-main: #0a0a0c;
            --bg-card: #121216;
            --purple-neon: #9d4edd;
            --purple-dim: #3c096c;
            --orange-neon: #ff9100;
            --text-main: #f8f9fa;
            --text-muted: #6c757d;
            --border-color: #24242c;
            margin: 0;
            background-color: var(--bg-main);
            color: var(--text-main);
            min-height: 100vh;
            min-height: 100dvh;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow-x: hidden;
            overflow-y: auto;
            position: relative;
            font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
            padding: 24px clamp(16px, 4vw, 32px);
            padding-top: max(24px, env(safe-area-inset-top));
            padding-bottom: max(24px, env(safe-area-inset-bottom));
        }
        body.login-nexus::before {
            content: '';
            position: absolute;
            width: 150%;
            height: 150%;
            background-image:
                linear-gradient(rgba(157, 78, 221, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(157, 78, 221, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            transform: perspective(500px) rotateX(60deg);
            top: -20%;
            z-index: 1;
            pointer-events: none;
        }
        body.login-nexus .login-shell {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 420px;
        }
        body.login-nexus .login-brand {
            text-align: center;
            margin-bottom: 1.75rem;
        }
        body.login-nexus .login-brand-inner {
            width: 100%;
        }
        body.login-nexus .login-pitch {
            display: none;
        }
        body.login-nexus .login-logo {
            display: block;
            width: 100%;
            max-width: 100%;
            height: auto;
            max-height: 150px;
            margin: 0 auto;
            object-fit: contain;
        }
        body.login-nexus .login-tagline {
            color: var(--text-muted);
            font-size: 0.875rem;
            margin: 0 0 1.5rem;
            line-height: 1.45;
            text-align: center;
        }
        body.login-nexus .login-container {
            position: relative;
            width: 100%;
            padding: 2.5rem;
            background: rgba(18, 18, 22, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            box-shadow:
                0 20px 40px rgba(0, 0, 0, 0.5),
                0 0 40px rgba(157, 78, 221, 0.05);
        }
        body.login-nexus .login-container::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 10%;
            width: 80%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--purple-neon), var(--orange-neon), transparent);
            border-radius: 2px;
        }
        body.login-nexus form {
            width: 100%;
        }
        body.login-nexus .form-group {
            margin-bottom: 1.25rem;
        }
        body.login-nexus .form-group label {
            display: block;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 0.5rem;
            color: var(--text-muted);
        }
        body.login-nexus .input-wrapper {
            position: relative;
        }
        body.login-nexus .input-wrapper input {
            display: block;
            width: 100%;
            max-width: 100%;
            margin: 0;
            padding: 0.75rem 1rem;
            background-color: rgba(10, 10, 12, 0.6);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            color: var(--text-main);
            font-size: 0.95rem;
            margin-bottom: 0;
            transition: all 0.3s ease;
        }
        body.login-nexus .input-wrapper input::placeholder {
            color: rgba(108, 117, 125, 0.75);
        }
        body.login-nexus .input-wrapper input:focus {
            outline: none;
            border-color: var(--purple-neon);
            box-shadow: 0 0 10px rgba(157, 78, 221, 0.15);
            background-color: rgba(10, 10, 12, 0.9);
        }
        body.login-nexus .btn-submit {
            display: block;
            width: 100%;
            max-width: 100%;
            margin: 0;
            padding: 0.75rem 1rem;
            background: linear-gradient(135deg, var(--purple-neon), #7b2cbf);
            border: none;
            border-radius: 6px;
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(157, 78, 221, 0.3);
        }
        body.login-nexus .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(157, 78, 221, 0.5);
            background: linear-gradient(135deg, #a239ea, var(--purple-neon));
        }
        body.login-nexus .btn-submit:active {
            transform: translateY(0);
        }
        body.login-nexus .error {
            background: rgba(255, 145, 0, 0.1);
            color: #ffb74d;
            border: 1px solid rgba(255, 145, 0, 0.25);
            padding: 12px 14px;
            border-radius: 6px;
            margin-bottom: 1.5rem;
            font-size: 0.875rem;
        }
        body.login-nexus .system-status {
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        body.login-nexus .status-indicator {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            min-width: 0;
        }
        body.login-nexus .status-dot {
            flex-shrink: 0;
            width: 6px;
            height: 6px;
            background-color: #00ff66;
            border-radius: 50%;
            box-shadow: 0 0 8px #00ff66;
        }
        @media (min-width: 900px) {
            body.login-nexus {
                padding: 32px 40px;
            }
            body.login-nexus .login-shell {
                display: grid;
                grid-template-columns: minmax(320px, 1.1fr) minmax(340px, 0.9fr);
                align-items: stretch;
                max-width: 1080px;
                min-height: min(640px, 88vh);
                gap: 0;
                border: 1px solid var(--border-color);
                border-radius: 16px;
                overflow: hidden;
                box-shadow:
                    0 24px 48px rgba(0, 0, 0, 0.55),
                    0 0 60px rgba(157, 78, 221, 0.06);
            }
            body.login-nexus .login-brand {
                display: flex;
                align-items: center;
                justify-content: center;
                margin-bottom: 0;
                padding: 44px 40px 48px;
                background:
                    radial-gradient(ellipse 80% 60% at 50% 35%, rgba(157, 78, 221, 0.14), transparent 70%),
                    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(255, 145, 0, 0.06), transparent 65%),
                    rgba(10, 10, 12, 0.92);
                border-right: 1px solid var(--border-color);
            }
            body.login-nexus .login-brand-inner {
                max-width: 440px;
            }
            body.login-nexus .login-pitch {
                display: block;
                margin-top: 2rem;
                text-align: left;
            }
            body.login-nexus .login-pitch-lead {
                margin: 0 0 1.5rem;
                font-size: 1.05rem;
                line-height: 1.5;
                font-weight: 500;
                color: rgba(248, 249, 250, 0.88);
                letter-spacing: 0.01em;
            }
            body.login-nexus .login-pitch-items {
                display: grid;
                gap: 14px;
            }
            body.login-nexus .login-pitch-item {
                padding: 14px 16px;
                border-radius: 10px;
                border: 1px solid rgba(157, 78, 221, 0.18);
                background: rgba(18, 18, 22, 0.55);
            }
            body.login-nexus .login-pitch-item p {
                margin: 6px 0 0;
                font-size: 0.84rem;
                line-height: 1.45;
                color: var(--text-muted);
            }
            body.login-nexus .login-pitch-term {
                display: inline-block;
                font-size: 0.72rem;
                font-weight: 700;
                letter-spacing: 0.14em;
                text-transform: uppercase;
                color: var(--purple-neon);
            }
            body.login-nexus .login-pitch-term--core {
                color: var(--orange-neon);
            }
            body.login-nexus .login-logo {
                max-width: min(520px, 100%);
                max-height: none;
                width: 100%;
            }
            body.login-nexus .login-container {
                display: flex;
                flex-direction: column;
                justify-content: center;
                border: none;
                border-radius: 0;
                box-shadow: none;
                background: rgba(18, 18, 22, 0.92);
                padding: 3rem 2.75rem;
            }
            body.login-nexus .login-container::before {
                display: none;
            }
            body.login-nexus .login-tagline {
                text-align: left;
            }
        }
        @media (max-width: 480px) {
            body.login-nexus .login-container {
                padding: 1.75rem 1.25rem;
            }
            body.login-nexus .login-brand {
                margin-bottom: 1.25rem;
            }
            body.login-nexus .login-logo {
                max-height: 120px;
            }
        }