:root {
            --primary: #8b5cf6;
            --primary-hover: #7c3aed;
            --bg: #0f172a;
            --glass: rgba(30, 41, 59, 0.7);
            --border: rgba(255, 255, 255, 0.1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
        }

        body {
            background: var(--bg);
            background-image:
                radial-gradient(at 0% 0%, rgba(139, 92, 246, 0.15) 0px, transparent 50%),
                radial-gradient(at 100% 100%, rgba(67, 56, 202, 0.15) 0px, transparent 50%);
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100vh;
            color: white;
            padding: 1.5rem;
        }

        .glass-card {
            background: var(--glass);
            backdrop-filter: blur(20px);
            padding: 3rem;
            border-radius: 32px;
            border: 1px solid var(--border);
            width: 100%;
            max-width: 420px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
            animation: fadeIn 0.6s ease-out;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 480px) {
            .glass-card {
                padding: 2rem;
                border-radius: 24px;
            }
        }

        h2 {
            margin-bottom: 0.5rem;
            font-size: 1.75rem;
            font-weight: 700;
            text-align: center;
        }

        p.subtitle {
            color: #94a3b8;
            margin-bottom: 2.5rem;
            font-size: 0.95rem;
            text-align: center;
        }

        .input-group {
            margin-bottom: 1.5rem;
        }

        label {
            display: block;
            margin-bottom: 0.75rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: #94a3b8;
            letter-spacing: 0.05em;
        }

        input {
            width: 100%;
            padding: 16px 20px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border);
            border-radius: 16px;
            color: white;
            font-size: 1rem;
            outline: none;
            transition: all 0.3s ease;
        }

        input:focus {
            background: rgba(255, 255, 255, 0.07);
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.2);
        }

        .pill-button {
            width: 100%;
            padding: 16px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            margin-top: 1.5rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 10px 20px -5px rgba(139, 92, 246, 0.4);
        }

        .pill-button:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 15px 25px -5px rgba(139, 92, 246, 0.5);
        }

        .pill-button:active {
            transform: translateY(0);
        }

        .error {
            background: rgba(239, 68, 68, 0.15);
            color: #f87171;
            padding: 14px;
            border-radius: 16px;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
            text-align: center;
            border: 1px solid rgba(239, 68, 68, 0.2);
            font-weight: 500;
        }

        .logo-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--primary), #7c3aed);
            border-radius: 18px;
            margin: 0 auto 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            box-shadow: 0 10px 20px rgba(139, 92, 246, 0.3);
        }