* { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: 'Arial', sans-serif;
            background: linear-gradient(135deg, #000000 0%, #0a0a0f 50%, #001a1a 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        body::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background-image: 
                linear-gradient(rgba(0, 255, 200, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 255, 200, 0.05) 1px, transparent 1px);
            background-size: 50px 50px;
            z-index: 0;
        }
        .container {
            width: 100%; max-width: 1200px;
            padding: 40px 20px;
            z-index: 1;
            position: relative;
        }
        .header {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 50px;
            gap: 20px;
        }
        .icon {
            width: 70px; height: 70px;
            border-radius: 50%;
            border: 3px solid #00ffcc;
            box-shadow: 0 0 30px rgba(0, 255, 204, 0.5);
        }
        .brand-name {
            font-size: 2.8rem;
            font-weight: bold;
            background: linear-gradient(135deg, #00ffcc 0%, #00eeff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 40px rgba(0, 255, 204, 0.5);
        }
        .tagline {
            font-size: 0.9rem;
            color: #ff9500;
            letter-spacing: 3px;
            text-align: center;
            margin-top: -8px;
        }
        .forms-wrapper {
            display: flex;
            gap: 3cm;
            justify-content: center;
            flex-wrap: wrap;
        }
        .form-card {
            flex: 1;
            min-width: 320px;
            max-width: 380px;
            background: rgba(10, 10, 20, 0.95);
            border-radius: 15px;
            padding: 40px 30px;
        }
        .login-card {
            border: 2px solid rgba(0, 255, 204, 0.3);
            box-shadow: 0 0 30px rgba(0, 255, 204, 0.15);
        }
        .signup-card {
            border: 2px solid rgba(255, 149, 0, 0.3);
            box-shadow: 0 0 30px rgba(255, 149, 0, 0.15);
        }
        .form-title {
            font-size: 2rem;
            margin-bottom: 30px;
            text-align: center;
            font-weight: bold;
            letter-spacing: 2px;
        }
        .login-card .form-title { color: #00ffcc; text-shadow: 0 0 20px rgba(0, 255, 204, 0.5); }
        .signup-card .form-title { color: #ff9500; text-shadow: 0 0 20px rgba(255, 149, 0, 0.5); }
        .input-group { margin-bottom: 20px; }
        .input-group label {
            display: block;
            font-size: 0.85rem;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .login-card .input-group label { color: #00ffcc; }
        .signup-card .input-group label { color: #ff9500; }
        .input-field {
            width: 100%;
            padding: 15px 18px;
            background: rgba(20, 20, 35, 0.8);
            border: 2px solid rgba(0, 255, 204, 0.3);
            border-radius: 8px;
            color: #fff;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        .signup-card .input-field { border-color: rgba(255, 149, 0, 0.3); }
        .input-field:focus {
            outline: none;
            border-color: #00ffcc;
            box-shadow: 0 0 25px rgba(0, 255, 204, 0.4);
        }
        .signup-card .input-field:focus {
            border-color: #ff9500;
            box-shadow: 0 0 25px rgba(255, 149, 0, 0.4);
        }
        .input-field::placeholder { color: rgba(255, 255, 255, 0.4); }
        .custom-error {
            color: #ff6b6b;
            font-size: 0.8rem;
            margin-top: 6px;
            display: none;
            padding-left: 10px;
        }
        .custom-error.show { display: block; }
        .btn {
            width: 100%;
            padding: 16px;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            margin-top: 15px;
            letter-spacing: 1px;
        }
        .login-btn {
            background: linear-gradient(135deg, #00ffcc 0%, #00eeff 100%);
            color: #000;
        }
        .login-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 35px rgba(0, 255, 204, 0.5);
        }
        .next-btn, .signup-btn {
            background: linear-gradient(135deg, #ff9500 0%, #ffb74d 100%);
            color: #000;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }
        .next-btn:hover, .signup-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 35px rgba(255, 149, 0, 0.5);
        }
        .recovery-links {
            display: flex;
            justify-content: space-between;
            margin-top: 18px;
            font-size: 0.85rem;
        }
        .recovery-links a { color: #00ffcc; text-decoration: none; }
        .signup-card .recovery-links a { color: #ff9500; }
        .footer-link {
            text-align: center;
            margin-top: 25px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
        }
        .footer-link a { color: #00ffcc !important; font-weight: bold; }
        .signup-card .footer-link a { color: #ff9500 !important; }
        @media (max-width: 1000px) { .forms-wrapper { gap: 20px; } }
        @media (max-width: 768px) {
            .header { margin-bottom: 30px; }
            .brand-name { font-size: 2rem; }
            .icon { width: 50px; height: 50px; }
            .forms-wrapper { gap: 15px; }
            .recovery-links { flex-direction: column; align-items: center; gap: 10px; }
            .form-card { min-width: 100%; }
        }