* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Barlow', sans-serif;
            background: linear-gradient(135deg, #0d1117 0%, #1a1a1a 50%, #0d1117 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            position: relative;
            color: #ffffff;
        }

        .container {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 20px;
            padding: 40px;
            width: 100%;
            max-width: 480px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            position: relative;
            z-index: 1;
            animation: slideUp 0.6s ease-out;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary-color);
            border-radius: 20px 20px 0 0;
        }

        .header {
            text-align: center;
            margin-bottom: 30px;
        }

        .logo-img {
            max-width: 160px;
            height: auto;
            margin-bottom: 15px;
            filter: drop-shadow(0 0 20px rgba(212, 175, 55, 0.4));
        }

        .subtitle {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.5;
        }

        .success-message {
            background: rgba(40, 167, 69, 0.15);
            border: 1px solid rgba(40, 167, 69, 0.4);
            border-left: 4px solid #28a745;
            color: #28a745;
            padding: 14px;
            border-radius: 10px;
            margin-bottom: 20px;
            display: none;
            font-weight: 600;
            font-size: 14px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .required {
            color: var(--primary-color);
        }

        .input-wrapper {
            position: relative;
        }

        input[type="text"],
        input[type="email"],
        input[type="password"],
        input[type="tel"] {
            width: 100%;
            padding: 13px 16px;
            background: rgba(0, 0, 0, 0.3);
            border: 2px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            color: #ffffff;
            font-size: 14px;
            font-family: 'Barlow', sans-serif;
            transition: all 0.3s ease;
        }

        input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.15);
            background: rgba(0, 0, 0, 0.4);
        }

        input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        input.error {
            border-color: #dc3545;
            background: rgba(220, 53, 69, 0.1);
        }

        .error-message {
            color: #dc3545;
            font-size: 12px;
            margin-top: 6px;
            display: none;
        }

        .btn {
            width: 100%;
            padding: 15px;
            background: var(--primary-color);
            border: none;
            border-radius: 10px;
            color: #0d1117;
            font-size: 15px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 10px;
            position: relative;
            overflow: hidden;
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.6s ease;
        }

        .btn:hover::before {
            left: 100%;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(212, 175, 55, 0.5);
        }

        .btn:active {
            transform: translateY(0);
        }

        /* Responsivo */
        @media (max-width: 600px) {
            .container {
                padding: 30px 25px;
            }

            .logo-img {
                max-width: 140px;
            }

            input[type="text"],
            input[type="email"],
            input[type="password"],
            input[type="tel"] {
                font-size: 16px;
            }
        }

        @media (max-width: 400px) {
            body {
                padding: 15px;
            }

            .container {
                padding: 25px 20px;
            }

            .logo-img {
                max-width: 120px;
            }
        }